AMS Sectional Meeting Full Program

Current as of Friday, December 14, 2018 03:30:06

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• Inquiries: meet@ams.org

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Spring Western Sectional Meeting

• Portland State University, Portland, OR
• April 14-15, 2018 (Saturday - Sunday)
• Meeting #1137

Associate secretaries:

Michel L Lapidus, AMS lapidus@math.ucr.edu, lapidus@mathserv.ucr.edu

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Saturday April 14, 2018

• Saturday April 14, 2018, 7:30 a.m.-4:00 p.m.
  Exhibit and Book Sale
  L101, Lecture Hall Lobby, Hoffman Hall
• Saturday April 14, 2018, 7:30 a.m.-4:00 p.m.
  Meeting Registration
  L101, Lecture Hall Lobby, Hoffman Hall
• Saturday April 14, 2018, 8:00 a.m.-10:40 a.m.
  Special Session on Algebraic Topology, I
  Room 250, Cramer Hall
  Organizers:
  Angélica Osorno, Reed College aosorno@reed.edu
  Dev Sinha, University of Oregon
  

  • 8:00 a.m.
    Transfer maps in topological Hochschild homology.
    John A. Lind*, Reed College
    (1137-55-130)
  • 9:00 a.m.
    Spaces of Immersions of Circles in 3-manifolds and Skein Theory.
    Uwe Kaiser*, Boise State University
    (1137-57-245)
  • 10:00 a.m.
    How efficiently can one untangle a double-twist? Waving is believing!
    David Pengelley*, Oregon State University
    (1137-55-83)
• Saturday April 14, 2018, 8:00 a.m.-10:50 a.m.
  Special Session on Automorphisms of Riemann Surfaces and Related Topics, I
  Room 283, Cramer Hall
  Organizers:
  S. Allen Broughton, Rose-Hulman Institute of Technology
  Mariela Carvacho, Universidad Tecnica Federico Santa Maria
  Anthony Weaver, Bronx Community College, the City University of New York
  Aaron Wootton, University of Portland wootton@up.edu
  

  • 8:00 a.m.
    Discussion
  • 8:30 a.m.
    Unfaithful Maps.
    Thomas W. Tucker*, Colgate University
    (1137-57-140)
  • 9:00 a.m.
    On the one-dimensional family of Riemann surfaces of genus $q$ with $4q$ automorphisms.
    Sebastián Reyes-Carocca*, Universidad de La Frontera
    (1137-51-38)
  • 9:30 a.m.
    One-dimensional families of Riemann surfaces of genus g with 4g + 4 automorphisms.
    Antonio F. Costa, UNED, Spain
    Milagros Izquierdo*, Linköping University,
    (1137-30-63)
  • 10:00 a.m.
    Dessins d'Enfants, Topological Cyclic Actions on Surfaces, and Counting Quasiplatonic Surfaces.
    Charles Camacho*, Oregon State University
    (1137-54-197)
  • 10:30 a.m.
    Counting Topological Types of Finite Group Actions on Surfaces.
    Anthony Weaver*, Bronx Community College of the City University of New York
    (1137-05-280)
• Saturday April 14, 2018, 8:00 a.m.-10:50 a.m.
  Special Session on Biomathematics - Progress and Future Directions, I
  Room 269, Cramer Hall
  Organizers:
  Hannah Callender Highlander, University of Portland
  Peter Hinow, University of Wisconsin - Milwaukee hinow@uwm.edu
  Deena Schmidt, University of Nevada, Reno
  

  • 8:00 a.m.
    Study of a Mixed Dispersal Population Dynamics Model.
    Chiu-Yen Kao*, Claremont McKenna College
    (1137-92-107)
  • 8:30 a.m.
    Stochastic Models of Bovine Babesiosis With Juvenile Cattle.
    Xueying Wang*, Washington State University
    Pauline van den Driessche, University of Victoria
    (1137-60-98)
  • 9:00 a.m.
    Onset, timing, and exposure therapy of stress disorders: mechanistic insight from a mathematical model of oscillating neuroendocrine dynamics.
    Lae Un Kim, Northwestern University
    Maria D'Orsogna, CalState Northridge
    Tom Chou*, UCLA
    (1137-92-198)
  • 9:30 a.m.
    Mathematics of Climate Change and Malaria Dynamics.
    Abba Gumel*, Arizona State University
    Steffen Eikenberry, Arizona State University
    Kamaldeen Okuneye, Arizona State University
    (1137-92-213)
  • 10:00 a.m.
    Periodic matrix models for seasonal dynamics of structured populations with application to a seabird population faced with climate change.
    Jim M. Cushing*, University of Arizona
    (1137-92-89)
  • 10:30 a.m.
    What's next in biomathematics? Describing the dynamics of a disease using networks.
    Ami Radunskaya*, Pomona College
    (1137-92-216)
• Saturday April 14, 2018, 8:00 a.m.-10:50 a.m.
  Special Session on Commutative Algebra, I
  Room 171, Cramer Hall
  Organizers:
  Adam Boocher, University of Utah
  Irena Swanson, Reed College iswanson@reed.edu
  

  • 8:00 a.m.
    Some aspects of the Weak Lefschetz property.
    Chris Peterson*, Colorado State University
    Zach Flores, Colorado State University
    (1137-13-267)
  • 8:30 a.m.
    Equivariant syzygies and apolarity.
    Jake Levinson*, University of Washington
    Jarod Alper, University of Washington
    Rowan Rowlands, University of Washington
    (1137-13-305)
  • 9:00 a.m.
    Local Cohomology of Thickenings.
    Jenny R Kenkel*, University of Utah
    (1137-13-311)
  • 9:30 a.m.
    Asymptotic vanishing behavior of local cohomology.
    Hailong Dao, University of Kansas
    Jonathan Montaño*, University of Kansas
    (1137-13-190)
  • 10:00 a.m.
    A duality in Buchsbaum rings and triangulated manifolds.
    Satoshi Murai, Osaka University
    Isabella Novik*, University of Washington
    Ken-ichi Yoshida, Nihon University
    (1137-13-94)
  • 10:30 a.m.
    Almost Buchsbaumness of some rings arising from complexes with isolated singularities.
    Connor Sawaske*, University of Washington
    (1137-13-257)
• Saturday April 14, 2018, 8:00 a.m.-10:50 a.m.
  Special Session on General Relativity and Geometric Analysis, I
  Room 328, Cramer Hall
  Organizers:
  Paul T. Allen, Lewis & Clark College
  Jeffrey Jauregui, Union College jaureguj@union.edu
  Iva Stavrov Allen, Lewis & Clark College
  

  • 8:00 a.m.
    On the conformal method in the far-from CMC setting.
    David Maxwell*, University of Alaska Fairbanks
    (1137-83-209)
  • 8:30 a.m.
    The effects of self-interaction on constructing relativistic point particles.
    Noah Samuel Benjamin*, Lewis & Clark College
    Iva Stavrov, Lewis & Clark College
    (1137-83-224)
  • 9:00 a.m.
    Stability and instability of charged scalar fields on black holes in spherical symmetry.
    Maxime Van de Moortel*, University of Cambridge, UK
    (1137-83-276)
  • 9:30 a.m.
    Analytic results and numerical evidence for global behavior of the Einstein Field Equations in the (T^2)-symmetric setting.
    Adam Layne*, University of Oregon
    Beverly Berger, retired
    James Isenberg, University of Oregon
    (1137-35-278)
  • 10:00 a.m.
    Determination of vacuum space-times from the Einstein-Maxwell equations.
    Matti Lassas, University of Helsinki
    Gunther Uhlmann, University of Washington
    Yiran Wang*, University of Washington
    (1137-35-265)
  • 10:30 a.m.
    Stability of Minkowski space and asymptotics of the metric.
    Peter Hintz*, University of California, Berkeley
    András Vasy, Stanford University
    (1137-35-233)
• Saturday April 14, 2018, 8:00 a.m.-10:50 a.m.
  Special Session on Geometric Measure Theory and Partial Differential Equations, I
  Room 271, Cramer Hall
  Organizers:
  Mark Allen, Brigham Young University
  Spencer Becker-Kahn, University of Washington
  Mariana Smit Vega Garcia, University of Washington marianag@uw.edu
  

  • 8:00 a.m.
    An embedded $S^1 \times S^{n-1}$ self-shrinker in $\mathbb{R}^{n+1}$ via variational methods.
    Gregory Drugan*, Oregon Episcopal School
    (1137-35-345)
  • 8:30 a.m.
    The geometry of the free boundary near the fixed boundary generated by a fully nonlinear uniformly elliptic operator.
    Emanuel Indrei*, Purdue University
    (1137-35-316)
  • 9:00 a.m.
    Axial symmetry for fractional capillarity droplets.
    Cornelia Mihaila*, University of Texas at Austin
    (1137-35-239)
  • 9:30 a.m.
    Uniform measures: a family of examples and characterizations.
    A. Dali Nimer*, University of Chicago
    (1137-28-95)
  • 10:00 a.m.
    Continuum Nash Bargaining Solutions.
    Micah W. Warren*, University of Oregon
    (1137-35-46)
  • 10:30 a.m.
    Regularity at Isolated Singularities for Almost-Minimizing Currents.
    Max D Engelstein*, MIT
    (1137-49-22)
• Saturday April 14, 2018, 8:00 a.m.-10:50 a.m.
  Special Session on Inverse Problems, I
  Rom 371, Cramer Hall
  Organizers:
  Hanna Makaruk, Los Alamos National Laboratory (LANL)
  Robert Owczarek, University of New Mexico, Albuquerque & Los Alamos rowczare@unm.edu
  

  • 8:00 a.m.
    Computing Khovanov homology via Hochschild homology.
    Jozef H. Przytycki, The George Washington University
    Xiao Wang*, The George Washington University
    (1137-57-120)
  • 8:30 a.m.
    The graphic axiom and self-distributivity.
    Sujoy Mukherjee*, The George Washington University
    Jozef H. Przytycki, The George Washington University
    (1137-57-121)
  • 9:00 a.m.
    Kauffman Bracket Skein Algebras: Old and New.
    Jozef H. Przytycki*, George Washington University
    (1137-57-235)
  • 10:00 a.m.
    Multiplying links in the thickened sphere with four holes.
    Rhea Palak Bakshi*, The George Washington University
    Józef H. Przytycki, The George Washington University
    Marithania Silvero, University of Barcelona
    Xiao Wang, The George Washington University
    (1137-57-133)
  • 10:30 a.m.
    In between dimensions: graphs and knots.
    Robert M Owczarek*, University of New Mexico
    (1137-54-84)
• Saturday April 14, 2018, 8:00 a.m.-10:40 a.m.
  Special Session on Mock Modular and Quantum Modular Forms, I
  Room 150, Cramer Hall
  Organizers:
  Holly Swisher, Oregon State University swisherh@math.oregonstate.edu
  Stephanie Treneer, Western Washington University
  

  • 8:00 a.m.
    Ramanujan's Lost Notebook in Five Volumes Reflections.
    George E Andrews*, Belleview
    (1137-11-15)
  • 9:00 a.m.
    Fields of definition for mock modular forms with CM shadow.
    Luca Candelori*, University of Hawaii
    (1137-11-169)
  • 9:30 a.m.
    Recent results on partitions.
    Olivia Beckwith*, Emory University
    Michael Mertens, University of Cologne
    Christine Bessenrodt, University of Hannover
    (1137-11-271)
  • 10:00 a.m.
    The modularity of certain WRT invariants.
    Jeremy Lovejoy*, CNRS and University of California, Berkeley
    Kazuhiro Hikami, Kyushu University
    (1137-11-19)
• Saturday April 14, 2018, 8:00 a.m.-10:40 a.m.
  Special Session on Moduli Spaces, I
  Room 382, Cramer Hall
  Organizers:
  Renzo Cavalieri, Colorado State University
  Damiano Fulghesu, Minnesota State University Moorhead fulghesu@mnstate.edu
  

  • 8:00 a.m.
    Strange Duality for Algebraic Surfaces.
    Aaron Bertram*, Salt Lake City
    (1137-14-179)
  • 9:00 a.m.
    Stability conditions on blow-ups and counterexamples.
    Cristian Martinez*, University of California, Santa Barbara
    Benjamin Schmidt, The University of Texas at Austin
    (1137-14-177)
  • 10:00 a.m.
    Quotients of algebraic varieties.
    Jarod Alper*, U Washington
    (1137-14-313)
• Saturday April 14, 2018, 8:00 a.m.-10:50 a.m.
  Special Session on Noncommutative Algebraic Geometry and Related Topics, I
  Room 71, Cramer Hall
  Organizers:
  Jesse Levitt, University of Southern California
  Hans Nordstrom, University of Portland nordstro@up.edu
  Xinting Wang, Temple University
  

  • 8:00 a.m.
    Flat families of non-commutative varieties.
    Alexandru Chirvasitu*, SUNY at Buffalo
    Ryo Kanda, Osaka University
    (1137-16-114)
  • 8:30 a.m.
    Categorifications of Richardson Varieties via Serre Quotients by Prime Ideals.
    Kent Vashaw*, Louisiana State University
    (1137-18-247)
  • 9:00 a.m.
    The Koszul property for algebras of quasi-Plücker coordinates.
    Robert Laugwitz*, Rutgers University
    Vladimir Retakh, Rutgers University
    (1137-16-74)
  • 9:30 a.m.
    Gelfand-Zeitlin modules over Galois orders.
    Jonas T Hartwig*, Iowa State University
    (1137-16-54)
  • 10:00 a.m.
    Generalized Gorensteinness and Homological Determinants for Preprojective Algebras.
    Stephan Weispfenning*, UC San Diego
    (1137-16-45)
  • 10:30 a.m.
    Dirac cohomology for generalized Hecke algebras.
    Johannes Flake*, Rutgers University
    (1137-16-287)
• Saturday April 14, 2018, 8:00 a.m.-10:50 a.m.
  Special Session on Nonsmooth Optimization and Applications(Dedicated to Prof. B. S. Mordukhovich on the occasion of his 70th birthday), I
  Room 53, Cramer Hall
  Organizers:
  Mau Nam Nguyen, Portland State University mnn3@pdx.edu
  Hung M. Phan, University of Massachusetts Lowell
  Shawn Xianfu Wang, University of British Columbia
  

  • 8:00 a.m.
    Discrete approximations and optimal control of prox-regular sweeping processes.
    Boris Mordukhovich*, Wayne State University
    (1137-49-193)
  • 8:30 a.m.
    Variational analysis perspective on linear convergence of some first order methods for nonsmooth optimization problems.
    Jane J. Ye*, University of Victoria
    (1137-90-70)
  • 9:00 a.m.
    Subgradient methods without convexity: error bounds, linear convergence, and statistical guarantees.
    Damek Davis, Cornell University
    Dmitriy Drusvyatskiy*, University of Washington
    Kellie J MacPhee, University of Washington
    Courtney Paquette, Lehigh University
    (1137-49-261)
  • 9:30 a.m.
    Applications of the generalized matrix-fractional function.
    Tim Hoheisel*, McGill University
    James V. Burke, University of Washington
    (1137-49-4)
  • 10:00 a.m.
    Calculus of the Simplex Gradient.
    Warren L Hare*, University of British Columbia
    Gabriel Jarry-Bolduc, University of British Columbia
    (1137-49-125)
  • 10:30 a.m.
    Variational analysis on the signed distance functions.
    Xianfu Wang*, University of British Columbia Okanagan
    Honglin Luo, Chongqing Normal University, PRC
    Lukens Brett, University of British Columbia Okanagan
    (1137-49-88)
• Saturday April 14, 2018, 8:00 a.m.-10:50 a.m.
  Special Session on Spectral Theory, I
  Room 325, Cramer Hall
  Organizers:
  Jake Fillman, Virginia Tech fillman@vt.edu
  Milivoje Lukic, Rice University
  

  • 8:00 a.m.
    Hyponormal Toeplitz Operators Acting on the Bergman Space.
    Brian Simanek*, Baylor University
    (1137-47-180)
  • 8:30 a.m.
    An Algebra Model for the Higher Order Sum Rules.
    Jun Yan*, Stanford
    (1137-46-86)
  • 9:00 a.m.
    Szegő Condition on arbitrary subsets of $\mathbb{C}$.
    Gökalp Alpan*, Rice University
    (1137-42-226)
  • 9:30 a.m.
    A uniqueness problem for spectral shift functions.
    Maxim Zinchenko*, University of New Mexico
    (1137-15-223)
  • 10:00 a.m.
    Dependence of the density of states on the probability distribution for discrete random Schrödinger operators.
    Chris Marx*, Oberlin College
    Peter D Hislop, University of Kentucky
    (1137-81-44)
  • 10:30 a.m.
    Dependence of the density of states on the probability distribution for discrete random Schrödinger operators, Part 2.
    Peter D. Hislop*, University of Kentucky
    (1137-81-326)
• Saturday April 14, 2018, 8:00 a.m.-10:50 a.m.
  Special Session on Teaching and Learning in Undergraduate Mathematics, I
  Room 247, Science Research and Teaching Center (SRTC)
  Organizers:
  Natalie LF Hobson, Sonoma State University natalie.hobson@sonoma.edu
  Elise Lockwood, Oregon State University
  

  • 8:00 a.m.
    Students' ways of thinking about graphs.
    Natalie L.F. Hobson*, Sonoma State University
    (1137-97-85)
  • 8:30 a.m.
    Student reasoning with definite integrals using infinitesimals-based notation registers.
    Robert Ely*, University of Idaho
    (1137-97-221)
  • 9:00 a.m.
    Student Generalizations in Real Analysis.
    Zackery K. Reed*, Oregon State University
    (1137-97-252)
  • 10:00 a.m.
    Impact of Undergraduate Remedial Math Enrollment on Student Attitudes Toward Mathematics and Persistence in STEM.
    Alison G. Lynch*, California State University, Monterey Bay
    Alexandria Cervantes, California State University, Monterey Bay
    (1137-97-195)
  • 10:30 a.m.
    The REFLECT Project: Spreading Evidence-Based Teaching in STEM.
    Valerie J Peterson*, Portland
    (1137-97-331)
• Saturday April 14, 2018, 8:00 a.m.-10:50 a.m.
  Special Session on Wavelets, Frames, and Related Expansions, I
  Room 401, Cramer Hall
  Organizers:
  Marcin Bownik, University of Oregon mbownik@uoregon.edu
  Darrin Speegle, Saint Louis University
  

  • 8:00 a.m.
    Dynamical sampling and connections to frames.
    F. Bozkurt, University of Oklahoma
    K. Kornelson*, University of Oklahoma
    (1137-42-255)
  • 8:30 a.m.
    Constructions and a Characterization of Positive Matrices in the Hardy Space with Prescribed Boundary Representations.
    John E. Herr*, Butler University
    Palle E.T. Jorgensen, University of Iowa
    Eric S. Weber, Iowa State University
    (1137-42-161)
  • 9:00 a.m.
    Convex and symmetric sets with smooth boundary do not have orthogonal Gabor bases.
    Azita Mayeli*, City University of New York, The Graduate Center and Queensborough
    (1137-42-231)
  • 9:30 a.m.
    Wavelets for higher-rank graph $C^*$-algebras.
    Judith A Packer*, University of Colorado, Boulder
    (1137-46-186)
  • 10:00 a.m.
    Finite unit norm tight frames and the frame potential in Banach spaces.
    Alejandro Chavez-Dominguez, University of Oklahoma
    Daniel Freeman*, St Louis University
    Keri Kornelson, University of Oklahoma
    (1137-46-225)
  • 10:30 a.m.
    The Paulsen Problem, Continuous Operator Scaling, and Smoothed Analysis.
    Tsz Chiu Kwok*, University of Waterloo
    Lap Chi Lau, University of Waterloo
    Yin Tat Lee, University of Washington
    Akshay Ramachandran, University of Waterloo
    (1137-47-258)
• Saturday April 14, 2018, 8:30 a.m.-10:50 a.m.
  Special Session on Algebraic and Combinatorial Structures in Knot Theory, I
  Room 183, Cramer Hall
  Organizers:
  Allison Henrich, Seattle University
  Inga Johnson, Willamette University
  Sam Nelson, Claremont McKenna College Sam.Nelson@cmc.edu
  

  • 8:30 a.m.
    From trivalent tangles to handlebody-tangles and their invariants.
    Carmen Caprau*, California State University, Fresno
    (1137-57-236)
  • 9:00 a.m.
    Singular Knots and Quandles.
    Mustafa Hajij*, University of South Florida
    Khaled Bataineh, Jordan University for Science and Technology
    Mohamed Elhamdadi, University of South Florida
    Sam Nelson, Claremont McKenna College
    (1137-57-251)
  • 9:30 a.m.
    Braid Relations and Deep Braiding.
    Joel Zablow*, New York, NY
    (1137-20-17)
  • 10:00 a.m.
    Graphical virtual links and a polynomial of signed cyclic graphs.
    Qingying Deng*, Chicago
    Xian'an Jin, Xiamen University
    Louis H Kauffman, University of Illinois at Chicago
    (1137-55-291)
  • 10:30 a.m.
    Region crossing change for links on surfaces.
    Oliver Dasbach, Louisiana State University
    Adam Lowrance, Vassar College
    Heather M. Russell*, University of Richmond
    (1137-57-110)
• Saturday April 14, 2018, 8:30 a.m.-10:40 a.m.
  Special Session on Complex Analysis and Applications, I
  Room 324, Cramer Hall
  Organizers:
  Malik Younsi, University of Hawaii Manoa malik.younsi@gmail.com
  

  • 8:30 a.m.
    Describing Blaschke products by their critical points.
    Oleg Ivrii*, Caltech
    (1137-30-182)
  • 9:00 a.m.
    Metrically removable sets.
    Sergei Kalmykov, Shanghai Jiao Tong University
    Leonid V. Kovalev*, Syracuse University
    Tapio Rajala, University of Jyvaskyla
    (1137-30-192)
  • 9:30 a.m.
    Mapping a given countable dense set to another given countable dense set.
    M. Cheddadi, Université de Montréal
    Paul M. Gauthier*, Université de Montréal
    (1137-30-203)
  • 10:00 a.m.
    Univalent Wandering Domains in the Eremenko-Lyubich class.
    Kirill Lazebnik*, California Institute of Technology
    (1137-30-350)
• Saturday April 14, 2018, 8:30 a.m.-10:40 a.m.
  Special Session on Differential Geometry, I
  Room 321, Cramer Hall
  Organizers:
  Christine Escher, Oregon State University tine@science.oregonstate.edu
  Catherine Searle, Wichita State University
  

  • 8:30 a.m.
    On the Moduli Spaces of Metrics with Nonnegative Sectional Curvature.
    McFeely Jackson Goodman*, University of Pennsylvania
    (1137-53-196)
  • 9:00 a.m.
    Index bounds for free boundary minimal surfaces of convex bodies.
    Pam Sargent*, The University of British Columbia
    (1137-53-97)
  • 10:00 a.m.
    Shape optimization for an eigenvalue problem on manifolds with boundary.
    Ailana Fraser*, University of British Columbia
    Richard Schoen, U.C. Irvine
    (1137-53-69)
• Saturday April 14, 2018, 9:00 a.m.-10:40 a.m.
  Special Session on Algebraic Geometry and its Connections, I
  Room 158, Cramer Hall
  Organizers:
  Sándor Kovács, University of Washington, Seattle
  Karl Schwede, University of Utah, Salt Lake City schwede@math.utah.edu
  

  • 9:00 a.m.
    Deforming derived equivalences.
    Katrina Honigs*, University of Utah
    (1137-14-333)
  • 10:00 a.m.
    Irrational Complete Intersections.
    Lucas Braune*, University of Washington
    (1137-14-75)
• Saturday April 14, 2018, 9:00 a.m.-10:50 a.m.
  Special Session on Forest Modeling, I
  Room 449, Cramer Hall
  Organizers:
  Gatziolis Demetrios, Pacific Northwest Research Station, US Forest Service
  Nikolay Strigul, Washington State University, Vancouver nick.strigul@wsu.edu
  

  • 9:00 a.m.
    Toward the efficient approximation of energetic and biogeochemical processes in terrestrial biosphere models: next-generation forest models.
    Adam Erickson*, Washington State University
    Robert Scheller, North Carolina State University
    Nikolay Strigul, Washington State University
    Melissa Lucash, Portland State University
    (1137-92-302)
  • 9:30 a.m.
    Linking tree physiological constraints with predictions of carbon, water, and energy fluxes at an old-growth coniferous forests.
    Yueyang Jiang*, Oregon State University
    John B Kim, USDA Forest Service
    Sonia Wharton, Lawrence Livermore National Laboratory
    Bharat Rastogi, Oregon State University
    Frederick C Meinzer, Oregon State University
    Anna T Trugman, University of Utah
    Youngil Kim, Oregon State University
    Steven Voelker, Utah State University
    Christopher J Still, Oregon State University
    (1137-00-299)
  • 10:00 a.m.
    Estimating Effective Leaf Area Index in Heterogeneous Riparian Forest-Buffers: Airborne Lidar vs. Airborne Structure-from-Motion.
    Travis Axe*, University of Washington
    L. Monika Moskal, University of Washington
    (1137-92-275)
  • 10:30 a.m.
    Structural stability of the Perfect Plasticity Approximation (PPA) model.
    Olga Alekseevna Rumyantseva*, Washington State University Vancouver
    Nick Strigul, Washington State University Vancouver
    (1137-35-117)
• Saturday April 14, 2018, 9:00 a.m.-10:40 a.m.
  Special Session on Motivic homotopy theory, I
  Room 258, Cramer Hall
  Organizers:
  Daniel Dugger, University of Oregon
  Kyle Ormsby, Reed College ormsbyk@reed.edu
  

  • 9:00 a.m.
    Motivic Hochschild homology of Eilenberg-Mac Lane spectra.
    Bjorn I. Dundas, University of Bergen
    Michael A. Hill*, UCLA
    Kyle M. Ormsby, Reed College
    Paul Arne Østvaer, University of Oslo
    (1137-55-361)
  • 10:00 a.m.
    Motivic infinite loop spaces.
    Elden Elmanto, Northwestern University
    Marc Hoyois*, University of Southern California
    Adeel A. Khan, University of Regensburg
    Vladimir Sosnilo, St. Petersburg State University
    Maria Yakerson, University of Duisburg-Essen
    (1137-14-359)
• Saturday April 14, 2018, 9:00 a.m.-10:50 a.m.
  Special Session on Numerical Methods for Partial Differential Equations, I
  Room 221, Cramer Hall
  Organizers:
  Brittany A. Erickson, Portland State University berickson@pdx.edu
  Jeffrey S. Ovall, Portland State University
  

  • 9:00 a.m.
    Analysis of Methods for Dispersive Electromagnetics with Distributions of Parameters.
    Nathan L Gibson*, Oregon State University
    (1137-65-349)
  • 9:30 a.m.
    High Spatial Order Energy Stable FDTD Methods for Maxwell's Equations in Nonlinear Optical Media.
    Vrushali A Bokil*, Oregon State University
    Yingda Cheng, Michigan State University
    Yan Jiang, Michigan State University
    Fengyan Li, RPI
    Puttha Sakkaplangkul, Michigan State University
    (1137-65-306)
  • 10:00 a.m.
    A New Finite Difference Time Domain Method to Solve Maxwell's Equations.
    Timothy Meagher*, Portland State University
    Bin Jiang, Portland State University
    (1137-65-176)
  • 10:30 a.m.
    Multigrid with local Schwarz-type smoothers for space-time CFOSLS.
    Kirill Voronin*, Portland State University
    (1137-65-279)
• Saturday April 14, 2018, 9:00 a.m.-10:55 a.m.
  Contributed Paper Session on AMS Contributed Paper Session, I
  Room 155, Science Research and Teaching Center (SRTC)
  

  • 9:00 a.m.
    Stieltjes Continued Fractions Associated with Sparse Moment Problem.
    Saroj Aryal*, Montana State University Billings
    (1137-30-341)
  • 9:15 a.m.
    A $C^1$ Boundary Measure in Two Dimensions.
    Laramie Paxton*, Washington State University
    Kevin R. Vixie, Washington State University
    (1137-28-185)
  • 9:30 a.m.
    Generalized composition operators on Weighted Hilbert Spaces of Analytic Functions.
    Waleed K. Al-Rawashdeh*, Montana Tech
    (1137-47-263)
  • 9:45 a.m.
    Chain Rule Approach for Calculating the Time-derivative of Flux.
    James R Langenbrunner*, Los Alamos National Laboratory
    (1137-80-334)
  • 10:00 a.m.
    Similarity Solutions to the Forchheimer Equation.
    Aleksey S Telyakovskiy*, University of Nevada, Reno
    Jeffrey Olsen, Truckee Meadows Community College
    Jeff Mortensen, University of Nevada, Reno
    (1137-76-12)
  • 10:15 a.m.
    Young diagrams and solitons on a time scale.
    Oliver Ruff*, Kent State University at Stark
    Gro Hovhannisyan, Kent State University at Stark
    (1137-35-262)
  • 10:30 a.m.
    Orthogonal classical Cartan subalgebra decomposition of $\mathfrak{sl}_n$ over a finite commutative ring.
    Songpon Sriwongsa*, University of Wisconsin-Milwaukee
    Yi Ming Zou, University of Wisconsin-Milwaukee
    (1137-13-6)
  • 10:45 a.m.
    Prime ideals of Leavitt path algebras over arbitrary rings.
    Hans Erik Nordstrom*, University of Portland
    Jennifer A Firkins Nordstrom, Linfield College
    (1137-16-319)
• Saturday April 14, 2018, 9:30 a.m.-10:50 a.m.
  Special Session on Recent Advances in Actuarial Mathematics, I
  Room 101, Science Research and Teaching Center (SRTC)
  Organizers:
  Sooie-Hoe Loke, Central Washington University SooieHoe.Loke@cwu.edu
  Enrique Thomann, Oregon State University
  

  • 9:30 a.m.
    Data mining techniques for actuaries: an overview.
    Emiliano A Valdez*, University of Connecticut
    Banghee So, University of Connecticut
    Guojun Gan, University of Connecticut
    (1137-00-60)
  • 10:00 a.m.
    Localized meshfree method for pricing financial options under regime switching jump diffusion model.
    Reza Mollapourasl*, Oregon State University
    Majid Haghi, Shahid Rajaee Teacher Training University
    Ruihua Liu, The University of Dayton
    (1137-65-183)
  • 10:30 a.m.
    On central branch/reinsurance risk networks: exact results and heuristics.
    Sooie-Hoe Loke*, Central Washington University
    Florin Avram, Université de Pau
    (1137-60-204)
• Saturday April 14, 2018, 11:10 a.m.-12:00 p.m.
  Invited Address
  Geometric realization of p-adic automorphic forms on unitary Shimura varieties.
  Room 109, Hoffman Hall
  Elena Mantovan*, California Institute of Technology
  (1137-11-277)
• Saturday April 14, 2018, 2:00 p.m.-2:50 p.m.
  Invited Address
  Moduli theory and singularities.
  Room 109, Hoffman Hall
  Sándor J Kovács*, University of Washington
  (1137-14-29)
• Saturday April 14, 2018, 3:00 p.m.-5:40 p.m.
  Special Session on Algebraic Geometry and its Connections, II
  Room 158, Cramer Hall
  Organizers:
  Sándor Kovács, University of Washington, Seattle
  Karl Schwede, University of Utah, Salt Lake City schwede@math.utah.edu
  

  • 3:00 p.m.
    On the semi-continuity problem of normalized volumes of singularities.
    Yuchen Liu*, Yale University
    (1137-14-21)
  • 4:00 p.m.
    Thresholds, valuations, and K-stability.
    Harold Blum*, University of Michigan
    (1137-14-218)
  • 5:00 p.m.
    Generic Vanishing fails for Surfaces in Positive Characteristic.
    Stefano Filipazzi*, University of Utah
    (1137-14-20)
• Saturday April 14, 2018, 3:00 p.m.-5:40 p.m.
  Special Session on Algebraic Topology, II
  Room 250, Cramer Hall
  Organizers:
  Angélica Osorno, Reed College aosorno@reed.edu
  Dev Sinha, University of Oregon
  

  • 3:00 p.m.
    The homotopy type of the topological cobordism category.
    Mauricio Gomez Lopez*, University of Oregon
    (1137-57-290)
  • 4:00 p.m.
    Periodic Margolis Self Maps at $p=2$.
    Leanne Elizabeth Merrill*, Western Oregon University
    (1137-55-292)
  • 5:00 p.m.
    Operads of Singular and Virtual Braids.
    Jonathan Beardsley*, University of Washington
    Marcy Robertson, University of Melbourne
    (1137-18-141)
• Saturday April 14, 2018, 3:00 p.m.-5:50 p.m.
  Special Session on Algebraic and Combinatorial Structures in Knot Theory, II
  Room 183, Cramer Hall
  Organizers:
  Allison Henrich, Seattle University
  Inga Johnson, Willamette University
  Sam Nelson, Claremont McKenna College Sam.Nelson@cmc.edu
  

  • 3:00 p.m.
    Symmetric quotients of knot groups and the Gordian graph.
    Alexandra Kjuchukova*, UW-Madison
    Sebastian Baader, University of Bern
    (1137-57-91)
  • 3:30 p.m.
    A Categorification of the Vandermonde Determinant.
    Alex Andrew Chandler*, North Carolina State University
    (1137-18-167)
  • 4:00 p.m.
    Tangles and links: a view with trees.
    Daniel S Silver, University of South Alabama
    Susan G Williams*, University of South Alabama
    (1137-57-243)
  • 4:30 p.m.
    Three Flavors of Knot Group Presentations.
    Daniel S Silver*, University of South Alabama
    Susan G Williams, University of South Alabama
    (1137-57-244)
  • 5:00 p.m.
    On computations of Khovanov homology over the group ring $\mathbb{ZZ}_2$.
    Krzysztof K. Putyra, University of Zurich, Switzerland
    Alexander N. Shumakovitch*, The George Washington University
    (1137-57-351)
  • 5:30 p.m.
    How to define homology for non-associative structures.
    Jozef H. Przytycki*, George Washington University
    (1137-57-272)
• Saturday April 14, 2018, 3:00 p.m.-5:50 p.m.
  Special Session on Automorphisms of Riemann Surfaces and Related Topics, II
  Room 283, Cramer Hall
  Organizers:
  S. Allen Broughton, Rose-Hulman Institute of Technology
  Mariela Carvacho, Universidad Tecnica Federico Santa Maria
  Anthony Weaver, Bronx Community College, the City University of New York
  Aaron Wootton, University of Portland wootton@up.edu
  

  • 3:00 p.m.
    Periods of an Interesting Family of Curves with Automorphisms.
    James S. Wolper*, Idaho State University
    (1137-14-230)
  • 3:30 p.m.
    The Lattice Structure of the Potential Signature Space.
    Aaron D Wootton*, University of Portland
    James W Anderson, University of Southampton
    (1137-14-172)
  • 4:00 p.m.
    Potential Versus Actual Signature Space.
    Mariela Carvacho, Universidad Tecnica Federico Santa Maria
    Jennifer Paulhus*, Grinnell College
    Aaron Wootton, University of Portland
    (1137-20-254)
  • 4:30 p.m.
    Bounding Skeletal Signature Spaces.
    S Joseph Lippert*, University of Portland
    Aaron Wootton, University of Portland
    (1137-20-321)
  • 5:00 p.m.
    Topological and $\mathcal{H}_q$ Equivalence of Prime Cyclic $p$-gonal Actions on Riemann Surfaces.
    Sean A Broughton*, Rose-Hulman Institute of Technology
    (1137-14-26)
  • 5:30 p.m.
    Riemann surfaces with extra automorphisms and endomorphism rings of their Jacobians.
    Tony Shaska*, Oakland University
    (1137-14-147)
• Saturday April 14, 2018, 3:00 p.m.-5:50 p.m.
  Special Session on Biomathematics - Progress and Future Directions, II
  Room 269, Cramer Hall
  Organizers:
  Hannah Callender Highlander, University of Portland
  Peter Hinow, University of Wisconsin - Milwaukee hinow@uwm.edu
  Deena Schmidt, University of Nevada, Reno
  

  • 3:00 p.m.
    The curiously strong impact of recharging enzymes, receptors, and predators.
    Sean D Lawley*, University of Utah
    James P Keener, University of Utah
    Alla Borisyuk, University of Utah
    Gregory Handy, University of Utah
    (1137-60-250)
  • 3:30 p.m.
    Computational model reduction by proper orthogonal decomposition.
    Tanya V Kostova-Vassilevska*, Portland State University/ Lawrence Livermore Natonal lab (retired)
    (1137-65-268)
  • 4:00 p.m.
    Effects of dynein activation and viscosity on the emergent waveform of an elastic, internally-actuated, model flagellum.
    Robert Dillon*, Washington State University
    Lisa Fauci, Tulane University
    (1137-92-260)
  • 4:30 p.m.
    Modeling of perceptual invariances in biological sensory processing.
    Alexander G Dimitrov*, Washington State University Vancouver
    (1137-92-160)
  • 5:00 p.m.
    General Proofs and Extensions of the `Linear Chain Trick' for Reducing Integro-differential Delay Equations to Ordinary Differential Equations.
    Paul J Hurtado*, University of Nevada, Reno
    Adam Kirosingh, Stanford University
    (1137-37-337)
  • 5:30 p.m.
    Evolutionary dynamics of cancer.
    Ivana Bozic*, University of Washington
    (1137-92-150)
• Saturday April 14, 2018, 3:00 p.m.-5:50 p.m.
  Special Session on Commutative Algebra, II
  Room 171, Cramer Hall
  Organizers:
  Adam Boocher, University of Utah
  Irena Swanson, Reed College iswanson@reed.edu
  

  • 3:00 p.m.
    Reducibility of parameter ideals in low powers of the maximal ideal.
    Katharine Shultis*, Gonzaga University
    Peder Thompson, Texas Tech University
    (1137-13-157)
  • 3:30 p.m.
    Two competing versions of the Lex-Plus-Powers Conjecture are equivalent.
    Ben Richert*, California Polytechnic State University, SLO
    (1137-13-201)
  • 4:00 p.m.
    Betti numbers of ideals containing a regular sequence.
    Giulio Caviglia, Purdue University
    Alessio Sammartano*, Mathematical Sciences Research Institute
    (1137-13-152)
  • 4:30 p.m.
    Symbolic powers and the containment problem.
    Eloísa Grifo*, University of Virginia
    (1137-13-128)
  • 5:00 p.m.
    Distinguishing phylogenetic networks.
    Elizabeth Gross*, San Jose State University
    Colby Long, Mathematical Biosciences Institute
    (1137-92-300)
  • 5:30 p.m.
    Transitioning from Commutative Algebra to Data Science, Robots and Biology.
    Amelia Taylor*, Zymergen
    (1137-62-93)
• Saturday April 14, 2018, 3:00 p.m.-5:40 p.m.
  Special Session on Complex Analysis and Applications, II
  Room 324, Cramer Hall
  Organizers:
  Malik Younsi, University of Hawaii Manoa malik.younsi@gmail.com
  

  • 3:00 p.m.
    Optimal polynomial approximants: limiting behaviour on the unit circle.
    Catherine Beneteau, University of South Florida
    Myrto Manolaki*, University of South Florida
    Daniel Seco, ICMAT
    (1137-30-347)
  • 3:30 p.m.
    Plemelj-Sokhotski Jump on Quasicircles, Faber and Grunsky Operators.
    Eric D. Schippers*, University of Manitoba
    Wolfgang Staubach, Uppsala University
    (1137-30-248)
  • 4:00 p.m.
    Sarason's composition operator over the half-plane.
    Boo Rim Choe, Korea University
    Hyungwoon Koo, Korea University
    Wayne Smith*, University of Hawaii
    (1137-47-57)
  • 4:30 p.m.
    Remarks on algebras associated with composition operators.
    Joel H Shapiro*, Portland State University
    (1137-47-116)
  • 5:00 p.m.
    (Non)-Removability of the Sierpiński Gasket.
    Dimitrios Ntalampekos*, University of California, Los Angeles
    (1137-30-49)
• Saturday April 14, 2018, 3:00 p.m.-5:40 p.m.
  Special Session on Differential Geometry, II
  Room 321, Cramer Hall
  Organizers:
  Christine Escher, Oregon State University tine@science.oregonstate.edu
  Catherine Searle, Wichita State University
  

  • 3:00 p.m.
    Topology of spaces of metrics of positive scalar/Ricci curvature.
    Boris Botvinnik*, University of Oregon
    (1137-53-90)
  • 4:00 p.m.
    Connected sums of Riemannian manifolds with positive Ricci curvature.
    Bradley Lewis Burdick*, University of Oregon
    (1137-53-106)
  • 5:00 p.m.
    Filiform Lie groups and their soliton metrics.
    Tracy Payne*, Idaho State University
    Sara Ebrahimpour, Idaho State University
    Beau Hansen, Idaho State University
    (1137-53-145)
• Saturday April 14, 2018, 3:00 p.m.-6:00 p.m.
  Special Session on Forest Modeling, II
  Room 449, Cramer Hall
  Organizers:
  Gatziolis Demetrios, Pacific Northwest Research Station, US Forest Service
  Nikolay Strigul, Washington State University, Vancouver nick.strigul@wsu.edu
  

  • 3:00 p.m.
    Semi-autonomous forestry assessment using small UAVs and photogrammetry.
    Katie Fankhauser*, OHSU/PSU School of Public Health
    Demetrios Gatziolis, United States Forest Service
    Nikolay Strigul, Washington State University Vancouver
    (1137-00-241)
  • 3:30 p.m.
    The Parameterization of PPA Formulas Using a SORTIE-ND Model For Harvard Forest.
    Zachary J. Robbins*, Portland State University
    Robert M. Scheller, North Carolina State University
    Bradley S. Case, Auckland University of Technology
    Nikolay Strigul, Washington State University
    (1137-92-206)
  • 4:00 p.m.
    Point cloud-derived LiDAR platform trajectory over forested landscapes.
    Demetrios Gatziolis*, USDA Forest Service, PNW Research Station
    Robert J McGaughey, USDA Forest Service, PNW Research Station
    (1137-86-353)
  • 4:30 p.m.
    Simulating Climate Change Impacts on Vegetation Dynamics, Carbon Storage and Wildfire Activity in the Conterminous USA Using Localized Constructed Analogs Downscaled Climate Data.
    John B Kim*, USDA Forest Service Pacific Northwest Research Station
    (1137-92-303)
  • 5:00 p.m.
    Scaling of forest dynamics and self-organization using discrete and continuous conservation law models.
    Nikolay S. Strigul*, Washington State University Vancouver
    (1137-92-115)
  • 5:30 p.m.
    Discussion
• Saturday April 14, 2018, 3:00 p.m.-5:50 p.m.
  Special Session on General Relativity and Geometric Analysis, II
  Room 328, Cramer Hall
  Organizers:
  Paul T. Allen, Lewis & Clark College
  Jeffrey Jauregui, Union College jaureguj@union.edu
  Iva Stavrov Allen, Lewis & Clark College
  

  • 3:00 p.m.
    Perspectives on localized gluing.
    Rafe Mazzeo*, Stanford University
    (1137-58-358)
  • 3:30 p.m.
    Upper bounds on the Steklov eigenvalues of an orbifold.
    Teresa Arias-Marco, University of Extremadura
    Emily Dryden, Bucknell University
    Carolyn Gordon, Dartmouth College
    Asma Hassannezhad, University of Bristol
    Allie Ray, Trinity College
    Elizabeth Stanhope*, Lewis & Clark College
    (1137-58-191)
  • 4:00 p.m.
    Convergence stability for the Ricci flow.
    Eric Bahuaud*, Seattle University
    Christine Guenther, Pacific University
    James Isenberg, University of Oregon
    (1137-53-285)
  • 4:30 p.m.
    Mass estimates for static vacuum extensions of nearly Euclidean spheres.
    David Wiygul*, University of California, Irvine
    (1137-83-283)
  • 5:00 p.m.
    Quasi-local energy in general relativity.
    Po-Ning Chen*, UC Riverside
    (1137-53-151)
  • 5:30 p.m.
    Null Geometry and the Penrose Conjecture.
    Henri P Roesch*, University of California, Irvine
    (1137-83-274)
• Saturday April 14, 2018, 3:00 p.m.-5:40 p.m.
  Special Session on Geometric Measure Theory and Partial Differential Equations, II
  Room 271, Cramer Hall
  Organizers:
  Mark Allen, Brigham Young University
  Spencer Becker-Kahn, University of Washington
  Mariana Smit Vega Garcia, University of Washington marianag@uw.edu
  

  • 3:00 p.m.
    Two-phase free boundary problem for harmonic measure with Hölder data.
    Matthew Badger*, University of Connecticut
    (1137-35-23)
  • 3:30 p.m.
    On the multiple membranes problem: Regularity of solutions and classification of planar blow-up profiles.
    Hui Yu*, Columbia University
    (1137-35-87)
  • 4:00 p.m.
    The Neumann problem for symmetric higher order elliptic differential equations.
    Ariel Barton*, University of Arkansas
    Steve Hofmann, University of Missouri
    Svitlana Mayboroda, University of Minnesota
    (1137-35-62)
  • 4:30 p.m.
    A Minkowski problem for nonlinear capacity.
    Murat Akman*, University of Connecticut
    (1137-31-24)
  • 5:00 p.m.
    Mean Value Theorems and the Geometry of Mean Value Sets for Divergence Form Elliptic PDEs.
    Ivan A Blank*, Kansas State University
    Niles Armstrong, Kansas State University
    Ashok Aryal, Minnesota State University Moorhead
    Brian Benson, University of California Riverside
    Zheng Hao, South Dakota State University
    Jeremy LeCrone, University of Richmond
    (1137-35-162)
• Saturday April 14, 2018, 3:00 p.m.-5:50 p.m.
  Special Session on Inverse Problems, II
  Rom 371, Cramer Hall
  Organizers:
  Hanna Makaruk, Los Alamos National Laboratory (LANL)
  Robert Owczarek, University of New Mexico, Albuquerque & Los Alamos rowczare@unm.edu
  

  • 3:00 p.m.
    Building models as products of structures.
    Valentina Harizanov*, George Washington University
    (1137-03-234)
  • 3:30 p.m.
    Space of Orders on Computable Magmas.
    Trang T Ha*, George Washington University
    (1137-03-282)
  • 4:00 p.m.
    On the development of smooth loops transformations theory.
    Larissa V. Sbitneva*, Morelos State University, Cuernavaca, Morelos, Mexico
    (1137-20-298)
  • 4:30 p.m.
    Apollonian coronas, spinor structures, tessellations and Epstein-like Zeta functions.
    Jerzy Kocik*, Southern Illinois University
    (1137-51-281)
  • 5:00 p.m.
    On Magnitude Homology.
    Victor William Summers*, NC State
    Radmila Sazdanovic, NC State
    (1137-18-168)
  • 5:30 p.m.
    Metric tensor is groupoid.
    Zbigniew Oziewicz*, Universidad Nacional Autonoma de Mexico Facultad de Estudios Superiores
    (1137-97-66)
• Saturday April 14, 2018, 3:00 p.m.-5:40 p.m.
  Special Session on Mock Modular and Quantum Modular Forms, II
  Room 150, Cramer Hall
  Organizers:
  Holly Swisher, Oregon State University swisherh@math.oregonstate.edu
  Stephanie Treneer, Western Washington University
  

  • 3:00 p.m.
    Higher Order Mock Theta Conjectures.
    Frank G. Garvan*, University of Florida
    (1137-11-100)
  • 4:00 p.m.
    Jacobi's triple product, mock theta functions, unimodal sequences and the $q$-bracket.
    Robert Schneider*, Emory University
    (1137-11-339)
  • 4:30 p.m.
    Modular invariants for real quadratic fields and Kloosterman sums.
    Nickolas Andersen*, UCLA
    William Duke, UCLA
    (1137-11-77)
  • 5:00 p.m.
    Knots and modular forms.
    Paul Beirne, University College Dublin
    Robert Osburn*, University College Dublin
    (1137-11-123)
• Saturday April 14, 2018, 3:00 p.m.-5:20 p.m.
  Special Session on Modeling, Analysis, and Simulation of PDEs with Multiple Scales, Interfaces, and Coupled Phenomena, I
  Room 383, Cramer Hall
  Organizers:
  Yekaterina Epshteyn, University of Utah
  Malgorzata Peszynska, Oregon State University mpesz@math.oregonstate.edu
  

  • 3:00 p.m.
    Polycrystalline Materials and Evolution of Grain Boundaries Network.
    Yekaterina Epshteyn*, Salt Lake City
    (1137-35-143)
  • 3:30 p.m.
    An averaged continuum model of active particle systems.
    Alexander Panchenko*, Washington State University
    (1137-70-336)
  • 4:00 p.m.
    A finite element method for the Stokes problem posed on a surface.
    Maxim Olshanskii*, University of Houston
    (1137-65-30)
  • 4:30 p.m.
    Poro-Visco-Elastic Compaction.
    Dwight Holland*, Oregon State University
    Ralph Showalter, Oregon State University
    (1137-35-246)
  • 5:00 p.m.
    Influence of Changing Geometries on Pore Scale Flow and Transport Models.
    Joe Umhoefer*, Oregon State University
    Malgorzata Peszynska, Oregon State University
    Timothy Costa, Numerical Solutions, Inc.
    (1137-76-99)
• Saturday April 14, 2018, 3:00 p.m.-5:40 p.m.
  Special Session on Moduli Spaces, II
  Room 382, Cramer Hall
  Organizers:
  Renzo Cavalieri, Colorado State University
  Damiano Fulghesu, Minnesota State University Moorhead fulghesu@mnstate.edu
  

  • 3:00 p.m.
    Reduced Gromov--Witten invariants from cuspidal curves.
    Cristina Manolache*, Imperial College London
    (1137-14-135)
  • 4:00 p.m.
    Wall-crossing in Gromov-Witten and Landau-Ginzburg theory.
    Emily Clader*, San Francisco State University
    (1137-14-154)
  • 5:00 p.m.
    Higher-genus global mirror symmetry.
    Dustin James Ross*, San Francisco State University
    (1137-14-314)
• Saturday April 14, 2018, 3:00 p.m.-5:40 p.m.
  Special Session on Motivic homotopy theory, II
  Room 258, Cramer Hall
  Organizers:
  Daniel Dugger, University of Oregon
  Kyle Ormsby, Reed College ormsbyk@reed.edu
  

  • 3:00 p.m.
    Some Remarks on Real Topoi and Real Motives.
    Elden Elmanto*, Northwestern University
    Jay Shah, University of Notre Dame
    (1137-55-330)
  • 4:00 p.m.
    Hopf Invariants in Motivic Homotopy Theory.
    Viktor Kleen*, University of Southern California
    (1137-55-210)
  • 5:00 p.m.
    Affine spaces over derivators.
    John M Zhang*, UCLA
    (1137-18-142)
• Saturday April 14, 2018, 3:00 p.m.-5:50 p.m.
  Special Session on Noncommutative Algebraic Geometry and Related Topics, II
  Room 71, Cramer Hall
  Organizers:
  Jesse Levitt, University of Southern California
  Hans Nordstrom, University of Portland nordstro@up.edu
  Xinting Wang, Temple University
  

  • 3:00 p.m.
    Noncommutative Knörrer periodicity and quantum Kleinian singularities.
    Andrew B. Conner*, Saint Mary's College of California
    Ellen Kirkman, Wake Forest University
    W. Frank Moore, Wake Forest University
    Chelsea Walton, Temple University
    (1137-16-219)
  • 3:30 p.m.
    Extending actions to the Drinfel'd double of various Hopf algebras "close" to Taft algebras.
    Zachary Cline*, Temple University
    (1137-17-188)
  • 4:00 p.m.
    Hopf algebra actions on some AS-regular algebras of small dimension.
    Luigi Ferraro, Wake Forest University
    Ellen Kirkman, Wake Forest University
    W. Frank Moore*, Wake Forest University
    Robert Won, Wake Forest University
    (1137-16-325)
  • 4:30 p.m.
    The Quantum Spaces of Certain Graded Algebras Related to $\mathfrak{sl}(2,\Bbbk)$.
    Richard G Chandler*, University of North Texas at Dallas
    Michaela Vancliff, University of Texas at Arlington
    (1137-16-71)
  • 5:00 p.m.
    Graded Primitive Leavitt Path Algebras Over Arbitrary Graphs.
    Kulumani M. Rangaswamy*, University of Colorado
    (1137-16-37)
  • 5:30 p.m.
    Leavitt Path Algebras and the Kaplansky Property for Prime Spectra.
    G. Abrams, University of Colorado
    B. Greenfeld, Bar Ilan University
    Z. Mesyan*, University of Colorado
    K. M. Rangaswamy, University of Colorado
    (1137-16-25)
• Saturday April 14, 2018, 3:00 p.m.-5:50 p.m.
  Special Session on Nonsmooth Optimization and Applications(Dedicated to Prof. B. S. Mordukhovich on the occasion of his 70th birthday), II
  Room 53, Cramer Hall
  Organizers:
  Mau Nam Nguyen, Portland State University mnn3@pdx.edu
  Hung M. Phan, University of Massachusetts Lowell
  Shawn Xianfu Wang, University of British Columbia
  

  • 3:00 p.m.
    Analyticity, Spectral Analysis, and Uniform Stability of a Heat-viscoelastic Plate Interaction Models.
    Roberto Triggiani*, University of Memphis
    (1137-35-53)
  • 3:30 p.m.
    Second-Order Optimality Conditions for Singular Extremals in Optimal Control Problems with Equality Endpoint Constraints.
    Ilya Shvartsman*, Penn State Harrisburg
    (1137-49-34)
  • 4:00 p.m.
    Boundary Feedback Control with Applications to High Intensity Focused Ultrasound (HIFU).
    Irena Lasiecka*, University of Memphis,
    (1137-93-92)
  • 4:30 p.m.
    Optimal control of a perturbed sweeping process.
    Giovanni Colombo, Universita di Padova
    Boris S. Mordukhovich, Wayne State University
    Dao Nguyen*, Wayne State University
    (1137-49-304)
  • 5:00 p.m.
    Optimizing the polynomial radius and abscissa subject to affine constraints.
    Julia Eaton*, University of Washington Tacoma
    Mert Gurbuzbalaban, Rutgers University
    Sara Grundel, Max Planck Institute for Dynamics of Complex Systems
    Michael Overton, Courant Institute of Mathematical Sciences
    (1137-49-215)
  • 5:30 p.m.
    Proximal Averages for Minimization of Entropy Functionals.
    Scott Boivin Lindstrom*, CARMA Priority Research Centre, University of Newcastle
    (1137-49-11)
• Saturday April 14, 2018, 3:00 p.m.-5:40 p.m.
  Special Session on Numerical Methods for Partial Differential Equations, II
  Room 221, Cramer Hall
  Organizers:
  Brittany A. Erickson, Portland State University berickson@pdx.edu
  Jeffrey S. Ovall, Portland State University
  

  • 3:00 p.m.
    A Trefftz-Nyström method for finite elements on (curvilinear) polygonal meshes.
    Jeffrey S Ovall*, Portland State University
    Akash Anand, Idian Institute of Technology, Kanpur
    Steffen Weisser, Saarland University
    Samuel Reynolds, Portland State University
    (1137-65-174)
  • 3:30 p.m.
    Regularization of nonlinear conservation law with space-dependent flux function, and numerical approximation.
    Choah Shin*, Oregon State University
    Malgorzata Peszynska, Oregon State University
    (1137-35-81)
  • 4:00 p.m.
    A Linearized Stability Analysis of Acoustic-gravity Waves in a Volcanic Conduit with a Spatially Variable Background State.
    Brittany A Erickson*, Portland State University
    Leif Karlstrom, University of Oregon
    (1137-65-129)
  • 4:30 p.m.
    Automatic Well-Balancing in a Formulation of Pressure Forcing for Discontinuous Galerkin Modeling of Oceanic Flows.
    Robert L. Higdon*, Oregon State University
    (1137-65-214)
  • 5:20 p.m.
    Discussion
• Saturday April 14, 2018, 3:00 p.m.-4:20 p.m.
  Special Session on Recent Advances in Actuarial Mathematics, II
  Room 101, Science Research and Teaching Center (SRTC)
  Organizers:
  Sooie-Hoe Loke, Central Washington University SooieHoe.Loke@cwu.edu
  Enrique Thomann, Oregon State University
  

  • 3:00 p.m.
    Exponential functionals of Levy processes and variable annuity guaranteed benefits.
    Runhuan Feng*, University of Illinois
    Alexey Kuznetsov, York University
    Fenghao Yang, York University
    (1137-60-96)
  • 3:30 p.m.
    Optimal barrier strategies for heavy-tailed surplus and interest rates.
    Huanqun Jiang*, Oregon State University
    (1137-49-266)
  • 4:00 p.m.
    Advances in Actuarial Mathematics Education.
    Mark Matthew Maxwell*, University of Texas at Austin
    (1137-97-207)
• Saturday April 14, 2018, 3:00 p.m.-5:50 p.m.
  Special Session on Spectral Theory, II
  Room 325, Cramer Hall
  Organizers:
  Jake Fillman, Virginia Tech fillman@vt.edu
  Milivoje Lukic, Rice University
  

  • 3:00 p.m.
    The KdV hierarchy via Abelian coverings and operator identities.
    Benjamin Eichinger, Lund University
    Tom VandenBoom*, Rice University
    Peter Yuditskii, Johannes Kepler University of Linz
    (1137-35-144)
  • 3:30 p.m.
    Purely singular continuous spectrum for limit-periodic CMV operators with applications to quantum walks.
    Jake Fillman, Virginia Tech
    Darren C Ong*, Xiamen University Malaysia
    (1137-47-202)
  • 4:00 p.m.
    The exact Power Law for Buffon's needle landing near some Random Cantor Sets.
    Shiwen Zhang*, Michigan State University
    (1137-28-108)
  • 4:30 p.m.
    Anderson localization for a disordered polaron.
    Rajinder Mavi*, Michigan State University
    Jeffrey Schenker, Michigan State University
    (1137-47-173)
  • 5:00 p.m.
    On the stability of frustration-free lattice fermion systems with topologically ordered ground states.
    Bruno Nachtergaele, UC Davis
    Robert Sims, University of Arizona
    Amanda Young*, University of Arizona
    (1137-82-357)
  • 5:30 p.m.
    Numerical Investigations of the Eigenvalue Distribution of Random Hermitian and Unitary Operators.
    Mihai Stoiciu*, Williams College
    (1137-46-296)
• Saturday April 14, 2018, 3:00 p.m.-5:20 p.m.
  Special Session on Teaching and Learning in Undergraduate Mathematics, II
  Room 247, Science Research and Teaching Center (SRTC)
  Organizers:
  Natalie LF Hobson, Sonoma State University natalie.hobson@sonoma.edu
  Elise Lockwood, Oregon State University
  

  • 3:00 p.m.
    From lecture to active learning: Rewards for all, and is it really so difficult?
    David Pengelley*, Oregon State University
    (1137-97-82)
  • 4:00 p.m.
    Fostering Creativity in Proof-Based Courses: The Creativity-in-Progress Rubric (CPR) on Proving.
    Emily S Cilli-Turner*, University of Washington Tacoma
    (1137-97-222)
  • 4:30 p.m.
    Number talks to promote active learning, flexibility, access, and equity.
    Eva Thanheiser*, Portland State Univeristy
    Brittney Ellis, Portland State University
    Jennie Osa, Portland State University
    (1137-97-101)
  • 5:00 p.m.
    Preservice Teachers' Reasoning about Multiplication, Division, and Proportions in terms of Quantities.
    Torrey Kulow*, Portland State University
    (1137-97-354)
• Saturday April 14, 2018, 3:00 p.m.-5:50 p.m.
  Special Session on Wavelets, Frames, and Related Expansions, II
  Room 401, Cramer Hall
  Organizers:
  Marcin Bownik, University of Oregon mbownik@uoregon.edu
  Darrin Speegle, Saint Louis University
  

  • 3:00 p.m.
    Multiscale Methods for Dictionary Learning and Regression for data near low-dimensional sets.
    Mauro Maggioni*, Johns Hopkins University
    Wenjing Liao, Georgia Tech
    Stefano Vigogna, Johns Hopkins University
    (1137-41-189)
  • 3:30 p.m.
    Robust and stable region-of-interest tomography by sparsity inducing convex optimization.
    Demetrio Labate*, University of Houston
    Bernhard G. Bodmann, University of Houston
    Bart Goossens, Ghent University, Ghent, Belgium
    (1137-41-164)
  • 4:00 p.m.
    Projective representations, coorbits and Bergman spaces.
    Gestur Olafsson*, Louisiana State University
    Jens G. Christensen, Colgate University
    Amer H. Darweesh, Jordan University of Science and Technology
    (1137-43-166)
  • 4:30 p.m.
    A unified construction of some classical and some new orthonormal bases.
    Dorin Ervin Dutkay*, University of Central Florida
    Gabriel Picioroaga, University of South Dakota
    (1137-46-165)
  • 5:00 p.m.
    Atomic decompositions of Bergman spaces on tube type domains.
    Jens G Christensen*, Colgate University
    (1137-41-132)
  • 5:30 p.m.
    An analogue of Slepian vectors for Boolean hypercubes.
    Joseph D Lakey*, New Mexico State University
    (1137-94-148)

Sunday April 15, 2018

• Sunday April 15, 2018, 8:00 a.m.-12:00 p.m.
  Meeting Registration
  L101, Lecture Hall Lobby, Hoffman Hall
• Sunday April 15, 2018, 8:00 a.m.-12:00 p.m.
  Exhibit and Book Sale
  L101, Lecture Hall Lobby, Hoffman Hall
• Sunday April 15, 2018, 8:00 a.m.-10:40 a.m.
  Special Session on Algebraic Geometry and its Connections, III
  Room 158, Cramer Hall
  Organizers:
  Sándor Kovács, University of Washington, Seattle
  Karl Schwede, University of Utah, Salt Lake City schwede@math.utah.edu
  

  • 8:00 a.m.
    Moduli spaces of stable pairs, uniformity of integral points and positivity of the log cotangent bundle.
    Amos Turchet*, University of Washington
    Kenny Ascher, MIT
    Kristin DeVleming, University of Washington
    (1137-14-256)
  • 9:00 a.m.
    Moduli of Hypersurfaces in $\mathbb{P}^3$.
    Kristin DeVleming*, University of Washington
    (1137-14-232)
  • 10:00 a.m.
    Compactifying the moduli space of degree one del Pezzo surfaces via elliptic fibrations.
    Kenneth Ascher*, Massachusetts Institute of Technology
    Dori Bejleri, Brown University
    (1137-14-220)
• Sunday April 15, 2018, 8:00 a.m.-10:40 a.m.
  Special Session on Algebraic Topology, III
  Room 250, Cramer Hall
  Organizers:
  Angélica Osorno, Reed College aosorno@reed.edu
  Dev Sinha, University of Oregon
  

  • 8:00 a.m.
    Steinberg summands and symmetric powers of the equivariant sphere spectrum.
    Krishanu Roy Sankar*, University of British Columbia
    (1137-55-294)
  • 9:00 a.m.
    Functional Summaries of Persistence Diagrams.
    Brittany Terese Fasy*, Montana State University
    (1137-55-344)
  • 10:00 a.m.
    Free $\mathbb{Z}/p\times\mathbb{Z}/p$ actions on $S^n\times S^n$.
    Courtney M Thatcher*, University of Puget Sound
    Jim Fowler, The Ohio State University
    (1137-55-301)
• Sunday April 15, 2018, 8:00 a.m.-10:50 a.m.
  Special Session on Automorphisms of Riemann Surfaces and Related Topics, III
  Room 283, Cramer Hall
  Organizers:
  S. Allen Broughton, Rose-Hulman Institute of Technology
  Mariela Carvacho, Universidad Tecnica Federico Santa Maria
  Anthony Weaver, Bronx Community College, the City University of New York
  Aaron Wootton, University of Portland wootton@up.edu
  

  • 8:00 a.m.
    Discussion
  • 8:30 a.m.
    Metabelian Galois Representations.
    Edray Herber Goins*, Purdue University
    Rachel Davis, University of Wisconsin at Madison
    (1137-11-340)
  • 9:00 a.m.
    Minimal Models for Superellipic Riemann Surfaces with Extra Automorphism.
    Lubjana Beshaj*, United States Military Academy
    (1137-14-149)
  • 9:30 a.m.
    Comparing the deck group and Veech group of an origami.
    Rachel Davis*, University of Wisconsin-Madison
    (1137-20-124)
  • 10:00 a.m.
    Structure of $\widetilde{\mathcal{M}_{4}}$.
    Mariela Carvacho*, Universidad Técnica Federico Santa María
    Víctor González-Aguilera, Universidad Técnica Federico Santa María
    (1137-20-312)
  • 10:30 a.m.
    Automorphism groups and splittability.
    Emma Previato*, Boston University
    (1137-14-338)
• Sunday April 15, 2018, 8:00 a.m.-10:50 a.m.
  Special Session on Biomathematics - Progress and Future Directions, III
  Room 269, Cramer Hall
  Organizers:
  Hannah Callender Highlander, University of Portland
  Peter Hinow, University of Wisconsin - Milwaukee hinow@uwm.edu
  Deena Schmidt, University of Nevada, Reno
  

  • 8:00 a.m.
    Prediction, Data Assimilation, and Uncertainty Quantification in Cancer Dynamics.
    Eric J Kostelich*, Arizona State University
    (1137-92-205)
  • 8:30 a.m.
    A Mathematical Model of the Metastatic Cascade with Application to Breast Cancer Recurrence.
    Leonid Hanin*, Idaho State University
    (1137-92-39)
  • 9:00 a.m.
    Biosimulator: a user-friendly Julia package for stochastic simulation in systems biology.
    Alfonso Landeros, University of California, Los Angeles
    Alexander Alekseyenko, Medical University of South Carolina
    Kevin Keys, University of California, San Francisco
    Kenneth Lange, University of California, Los Angeles
    Mary E. Sehl*, University of California, Los Angeles
    (1137-92-138)
  • 9:30 a.m.
    Coupled experimental and computational study of the interplay of mechanical properties and chemical signaling in patterns of stem cell division and differentiation in plants.
    Mikahl Banwarth-Kuhn, University of California Riverside
    Ali Nematbakhsh, University of California Riverside
    Weitao Chen, University of California Riverside
    Stephen Snipes, University of California Riverside
    Andrew Whitaker, University of California Riverside
    Venugopala Gonehal, University of California Riverside
    Mark Alber*, University of California Riverside
    (1137-92-105)
  • 10:00 a.m.
    Modeling pattern formation mechanisms in the vertebrate limb: What can we learn from tetrapod evolution?
    Tilmann Glimm*, Western Washington University
    (1137-92-153)
  • 10:30 a.m.
    Model of Stress Propagation in Fibrin Network.
    Samuel Britton*, University of California Riverside
    Oleg Kim, University of California Riverside
    Zhiliang Xu, University of Notre Dame
    Rustem Litvinov, University of Pennsylvania School of Medicine
    John Weisel, University of Pennsylvania School of Medicine
    Mark Alber, University of California Riverside
    (1137-74-288)
• Sunday April 15, 2018, 8:00 a.m.-10:50 a.m.
  Special Session on Commutative Algebra, III
  Room 171, Cramer Hall
  Organizers:
  Adam Boocher, University of Utah
  Irena Swanson, Reed College iswanson@reed.edu
  

  • 8:00 a.m.
    Discussion
  • 8:30 a.m.
    Depth bounds for monomial ideals.
    Louiza Fouli*, New Mexico State University
    Tài Hà, Tulane University
    Susan Morey, Texas State University
    (1137-13-322)
  • 9:00 a.m.
    Realization spaces for matroids.
    Madeline V Brandt*, University of California Berkeley
    (1137-13-163)
  • 9:30 a.m.
    The slack ideal of a polytope.
    João Gouveia, Universidade de Coimbra
    Antonio Macchia, Università degli Studi di Bari
    Rekha R Thomas, University of Washington
    Amy Wiebe*, University of Washington
    (1137-05-264)
  • 10:00 a.m.
    Complete intersections with given Hilbert polynomials.
    Christopher Eur*, UC Berkeley
    Sung Hyun Lim, Pohang University of Science and Technology
    (1137-13-199)
  • 10:30 a.m.
    Cohen-Macaulayness of Initial Ideals of Normal Toric Ideals.
    Serkan Hosten*, San Francisco State University
    (1137-13-320)
• Sunday April 15, 2018, 8:00 a.m.-10:40 a.m.
  Special Session on Differential Geometry, III
  Room 321, Cramer Hall
  Organizers:
  Christine Escher, Oregon State University tine@science.oregonstate.edu
  Catherine Searle, Wichita State University
  

  • 8:00 a.m.
    The singular free boundary in the thin obstacle problem.
    Nicola Garofalo, University of Padova
    Arshak Petrosyan, Purdue University
    Mariana Smit Vega Garcia*, University of Washington
    (1137-53-47)
  • 9:00 a.m.
    Exterior Bernstein and Bernstein problems for Hessian equations.
    Yu Yuan*, University of Washington
    (1137-53-200)
  • 10:00 a.m.
    Extending a diffeomorphism finiteness theorem to dimension 4.
    Curtis Pro*, California State University, Stanislaus
    Fred Wilhelm, UC, Riverside
    (1137-53-65)
• Sunday April 15, 2018, 8:00 a.m.-10:50 a.m.
  Special Session on Geometric Measure Theory and Partial Differential Equations, III
  Room 271, Cramer Hall
  Organizers:
  Mark Allen, Brigham Young University
  Spencer Becker-Kahn, University of Washington
  Mariana Smit Vega Garcia, University of Washington marianag@uw.edu
  

  • 8:00 a.m.
    Global Classical Solutions to the 3D Quasi-Geostrophic System.
    Matthew Novack*, University of Texas-Austin
    Alexis Vasseur, University of Texas-Austin
    (1137-35-269)
  • 8:30 a.m.
    Regularity for Shape Optimizers: The Degenerate Case.
    Dennis Kriventsov*, Courant Institute, NYU
    (1137-35-270)
  • 9:00 a.m.
    The Cheeger constant of a Jordan domain without necks.
    Robin Neumayer*, Northwestern University
    (1137-49-52)
  • 9:30 a.m.
    Regularity results for a Two-Penalty Boundary Obstacle Problem.
    Thomas Backing, Purdue University
    Donatella Danielli, Purdue University
    Rohit Jain*, McGill University
    (1137-35-309)
  • 10:00 a.m.
    Characterization of isoperimetric sets inside almost-convex cones.
    Eric Baer*, University of Wisconsin, Madison
    Alessio Figalli, ETH Zurich
    (1137-49-249)
  • 10:30 a.m.
    From the free boundary condition for Hele-Shaw to the fractional parabolic equation.
    Hector A. Chang-Lara*, Centro de Investigacion en Matematicas
    Nestor Guillen, University of Massachusetts
    (1137-35-324)
• Sunday April 15, 2018, 8:00 a.m.-10:50 a.m.
  Special Session on Inverse Problems, III
  Rom 371, Cramer Hall
  Organizers:
  Hanna Makaruk, Los Alamos National Laboratory (LANL)
  Robert Owczarek, University of New Mexico, Albuquerque & Los Alamos rowczare@unm.edu
  

  • 8:00 a.m.
    Universal Growth in Production Economies.
    Simina Branzei*, Purdue University
    Ruta Mehta, University of Illinois at Urbana-Champaign
    Noam Nisan, Hebrew University of Jerusalem
    (1137-91-80)
  • 8:30 a.m.
    Not so fast: Exploration of masking in human psychophysics performance.
    Michael Isaiah Ham*, Los Alamos National Laboratory
    (1137-92-78)
  • 9:00 a.m.
    A Diophantine approach to causal lifting factorization of discrete wavelet transforms.
    Christopher M. Brislawn*, Santa Fe, New Mexico
    (1137-42-240)
  • 9:30 a.m.
    Application of Koopman Operators for Data Assimilation.
    Humberto C Godinez*, Los Alamos National Laboratory
    (1137-62-323)
  • 10:00 a.m.
    Inferring fusion temperature and ion velocity distributions using gamma flux, recent progress.
    James R Langenbrunner*, Los Alamos National Laboratory
    Jane M Booker, Los Alamos National Laboratory
    Hanna E Makaruk, Los Alamos National Laboratory
    (1137-80-355)
  • 10:30 a.m.
    Discussion
• Sunday April 15, 2018, 8:00 a.m.-10:50 a.m.
  Special Session on Mock Modular and Quantum Modular Forms, III
  Room 150, Cramer Hall
  Organizers:
  Holly Swisher, Oregon State University swisherh@math.oregonstate.edu
  Stephanie Treneer, Western Washington University
  

  • 8:00 a.m.
    Recent Results on the Riemann Hypotheses.
    Ken Ono*, Emory University
    (1137-11-5)
  • 9:00 a.m.
    Congruences for mock modular forms and the smallest parts function.
    Scott Ahlgren*, University of Illinois
    (1137-11-171)
  • 10:00 a.m.
    The modular parameterization of elliptic curves.
    Michael J Griffin*, BYU
    Jonathan Hales, BYU
    (1137-11-273)
  • 10:30 a.m.
    Quantum modular forms and singular combinatorial series.
    Min-Joo Jang*, Cologne University
    Amanda Folsom, Amherst College
    Susie Kimport, Stanford University
    Holly Swisher, Oregon State University
    (1137-11-308)
• Sunday April 15, 2018, 8:00 a.m.-10:50 a.m.
  Special Session on Modeling, Analysis, and Simulation of PDEs with Multiple Scales, Interfaces, and Coupled Phenomena, II
  Room 383, Cramer Hall
  Organizers:
  Yekaterina Epshteyn, University of Utah
  Malgorzata Peszynska, Oregon State University mpesz@math.oregonstate.edu
  

  • 8:00 a.m.
    Displacement Constraints in Biot Systems.
    Ralph Showalter*, Oregon State University
    Alireza Hosseinkhan, Oregon State University
    (1137-35-118)
  • 8:30 a.m.
    On a Reaction-Diffusion System Modeling the Tumor Treatment.
    Hong-Ming Yin*, Washington State University
    (1137-35-28)
  • 9:00 a.m.
    The Difference Potentials Method for interface problems and models with moving geometry.
    Yekaterina Epshteyn, University of Utah
    Gunilla Kreiss, Uppsala University
    Gustav Ludvigsson, Uppsala University
    Kyle R. Steffen*, University of Utah
    Simon Sticko, Uppsala University
    Siyang Wang, Chalmers University of Technology
    Qing Xia, University of Utah
    (1137-65-228)
  • 9:30 a.m.
    Analysis and numerical analysis of a coupled system for biofilm growth.
    Azhar Saeed Alhammali*, Oregon State University
    Malgorzata Peszynska, Oregon State University
    (1137-65-58)
  • 10:00 a.m.
    Proving Uniqueness of Solutions for Burgers Equation Entropic for a Single Entropy, with Eye Towards Systems Case.
    Sam G. Krupa*, The University of Texas at Austin
    Alexis F. Vasseur, The University of Texas at Austin
    (1137-35-159)
  • 10:30 a.m.
    Phase field model for mixtures: convexity and regularity.
    Malgorzata Peszynska*, Oregon State University
    (1137-65-27)
• Sunday April 15, 2018, 8:00 a.m.-10:40 a.m.
  Special Session on Moduli Spaces, III
  Room 382, Cramer Hall
  Organizers:
  Renzo Cavalieri, Colorado State University
  Damiano Fulghesu, Minnesota State University Moorhead fulghesu@mnstate.edu
  

  • 8:00 a.m.
    Moduli spaces of linear series and nodal curves.
    Brian Osserman*, University of California Davis
    (1137-14-155)
  • 9:00 a.m.
    $r$-Spin Hurwitz and Stable Maps with Divisible Ramification.
    Oliver Leigh*, University of Melbourne/University of British Columbia
    (1137-14-238)
  • 10:00 a.m.
    Rigidity and Extremality of Hyperelliptic Classes in Genus Two.
    Vance T. Blankers*, Colorado State University
    (1137-14-335)
• Sunday April 15, 2018, 8:00 a.m.-10:50 a.m.
  Special Session on Noncommutative Algebraic Geometry and Related Topics, III
  Room 71, Cramer Hall
  Organizers:
  Jesse Levitt, University of Southern California
  Hans Nordstrom, University of Portland nordstro@up.edu
  Xinting Wang, Temple University
  

  • 8:00 a.m.
    Isomorphisms of graded path algebras.
    Jason Gaddis*, Miami University
    (1137-16-40)
  • 8:30 a.m.
    Zariski cancellation problem for rings.
    Oswaldo Lezama*, Universidad Nacional de Colombia
    Y.-H Wang, Shanghai University of Finance and Economics
    J.J Zhang, University of Washington
    (1137-16-72)
  • 9:00 a.m.
    Subprime solutions of the classical Yang-Baxter equation.
    Garrett Johnson*, North Carolina Central University
    (1137-17-7)
  • 9:30 a.m.
    Quantum Group and Cluster Algebras.
    Bach Nguyen*, Louisiana State University
    (1137-16-76)
  • 10:00 a.m.
    Irreducible representations of the 4-dimensional Sklyanin algebra at points of finite order.
    Chelsea Walton, University of Illinois Urbana-Champaign
    Xingting Wang*, Temple University
    Milen Yakimov, Louisiana State University
    (1137-16-14)
  • 10:30 a.m.
    Auslander's Theorem for group coactions on noetherian graded down-up algebras.
    Ellen E. Kirkman*, Wake Forest University
    Jianmin Chen, Xiamen University
    James J. Zhang, University of Washington, Seattle
    (1137-16-211)
• Sunday April 15, 2018, 8:00 a.m.-10:50 a.m.
  Special Session on Nonsmooth Optimization and Applications(Dedicated to Prof. B. S. Mordukhovich on the occasion of his 70th birthday), III
  Room 53, Cramer Hall
  Organizers:
  Mau Nam Nguyen, Portland State University mnn3@pdx.edu
  Hung M. Phan, University of Massachusetts Lowell
  Shawn Xianfu Wang, University of British Columbia
  

  • 8:00 a.m.
    Foundations of gauge and perspective duality.
    James V Burke*, Seattle, Washington
    Aleksandr Aravkin, University of Washington
    Dmitriy Drusvyatskiy, University of Washington
    Michael P Friedlender, University of British Columbia
    Kellie MacPhee, University of Washington
    (1137-90-208)
  • 8:30 a.m.
    A linear-time algorithm to check the convexity of piecewise linear-quadratic functions.
    Yves Lucet*, University of British Columbia
    Heinz H Bauschke, University of British Columbia
    Hung M Phan, University of Massachusetts Lowell
    (1137-49-315)
  • 9:00 a.m.
    Spectral Subgradient Method for Unconstrained Optimization.
    Milagros Loreto*, University of Washington Bothell
    Yiting Xu, University of Washington Bothell
    David Kotval, Middle Tennessee State University
    (1137-49-217)
  • 9:30 a.m.
    On the sum of projectors onto convex sets.
    Heinz H. Bauschke, Mathematics, University of British Columbia, Kelowna, B.C. V1V 1V7, Canada
    Minh N. Bui*, Mathematics, University of British Columbia, Kelowna, B.C. V1V 1V7, Canada
    Xianfu Wang, Mathematics, University of British Columbia, Kelowna, B.C. V1V 1V7, Canada
    (1137-47-310)
  • 10:00 a.m.
    On the generic nature of various classes of convex functions.
    Jon D Vanderwerff*, La Sierra University
    (1137-46-318)
  • 10:30 a.m.
    Constrained clustering and multifacility location via distance function penalty methods and DC programming.
    Mau Nam Nguyen, Portland State University
    Sam Reynolds, Portland State University
    Tuyen Tran*, Portland State University
    (1137-49-187)
• Sunday April 15, 2018, 8:00 a.m.-10:20 a.m.
  Special Session on Spectral Theory, III
  Room 325, Cramer Hall
  Organizers:
  Jake Fillman, Virginia Tech fillman@vt.edu
  Milivoje Lukic, Rice University
  

  • 8:00 a.m.
    A bound for the eigenvalue counting function for higher-order Krein Laplacians on arbitrary open sets.
    Selim Sukhtaiev*, Rice University
    (1137-35-59)
  • 8:30 a.m.
    Sharp spectral transition for eigenvalues embedded into essential spectrum of Laplacian on Riemannian manifold or Schrödinger operator.
    Svetlana Jitomirskaya, UC Irvine
    Wencai Liu*, UC Irvine
    Darren Ong, Xiamen University Malaysia
    (1137-37-109)
  • 9:00 a.m.
    Localization and delocalization for two interacting 1D quasiperiodic particles.
    Jean Bourgain, Institute for Advanced Study, Princeton
    Svetlana Jitomirskaya, University of California, Irvine
    Ilya Kachkovskiy*, Michigan State University
    (1137-47-103)
  • 9:30 a.m.
    Cantor spectrum of graphene in magnetic fields.
    Simon Becker, University of Cambridge
    Rui Han*, Institute for Advanced Study
    Svetlana Jitomirskaya, University of California, Irvine
    (1137-47-175)
  • 10:00 a.m.
    Large deviation estimates in spectral analysis of ergodic Schrödinger operators.
    Zhenghe Zhang*, UC Riverside
    (1137-37-184)
• Sunday April 15, 2018, 8:00 a.m.-10:50 a.m.
  Special Session on Wavelets, Frames, and Related Expansions, III
  Room 401, Cramer Hall
  Organizers:
  Marcin Bownik, University of Oregon mbownik@uoregon.edu
  Darrin Speegle, Saint Louis University
  

  • 8:00 a.m.
    Optimal packings of subspaces with mixed dimension.
    John Haas*, University of Missouri
    Peter G. Casazza, University of Missouri
    Tin Tran, University of Missouri
    Joshua Stueck, University of Missouri
    (1137-41-113)
  • 8:30 a.m.
    Equiangular tight frames from association schemes.
    Joseph W Iverson, University of Maryland
    John Jasper*, South Dakota State University
    Dustin G Mixon, The Ohio State University
    (1137-43-119)
  • 9:00 a.m.
    Construction of low coherence unit norm tight frames.
    Somantika Datta*, University of Idaho
    Jesse Oldroyd, West Virginia Wesleyan College
    (1137-41-35)
  • 9:30 a.m.
    Constructing Tight Gabor Frames Using CAZAC Sequences.
    Mark Magsino*, University of Maryland
    (1137-42-31)
  • 10:00 a.m.
    Equiangular tight frames from group divisible designs.
    Matthew Fickus*, Air Force Institute of Technology
    (1137-42-33)
  • 10:30 a.m.
    Towards a unified theory of equiangular tight frames.
    Dustin G. Mixon*, The Ohio State University
    (1137-42-104)
• Sunday April 15, 2018, 8:30 a.m.-10:40 a.m.
  Special Session on Teaching and Learning in Undergraduate Mathematics, III
  Room 247, Science Research and Teaching Center (SRTC)
  Organizers:
  Natalie LF Hobson, Sonoma State University natalie.hobson@sonoma.edu
  Elise Lockwood, Oregon State University
  

  • 8:30 a.m.
    Leveraging Computing to Teach Mathematical Content: The Case of Programming and Productive Combinatorial Thinking.
    Elise Lockwood*, Oregon State University
    (1137-97-48)
  • 9:00 a.m.
    Using the Emergent Models Heuristic to Describe and Support a Preliminary Local Instructional Theory for the Guided Reinvention of the Classification of Chemically Important Point Groups.
    Anna Marie Bergman*, Portland State University
    Timothy French, DePaul University
    (1137-97-212)
  • 10:00 a.m.
    One Mean Problem on Intermediate Values.
    John S Caughman*, Portland State University
    (1137-97-352)
• Sunday April 15, 2018, 9:00 a.m.-10:50 a.m.
  Special Session on Algebraic and Combinatorial Structures in Knot Theory, III
  Room 183, Cramer Hall
  Organizers:
  Allison Henrich, Seattle University
  Inga Johnson, Willamette University
  Sam Nelson, Claremont McKenna College Sam.Nelson@cmc.edu
  

  • 9:00 a.m.
    Trace Diagram and Biquandle Brackets.
    Natsumi Oyamaguchi*, Shumei University
    (1137-55-139)
  • 9:30 a.m.
    Link invariants obtained from augmented Alexander matrices.
    Kanako Oshiro*, Sophia University
    Atsushi Ishii, University of Tsukuba
    (1137-57-295)
  • 10:00 a.m.
    Ribbon Obstructions and Colored Tri-Plane Diagrams.
    Patricia Cahn*, Smith College
    Alexandra Kjuchukova, University of Wisconsin-Madison
    (1137-57-297)
  • 10:30 a.m.
    Khovanov Homology for Knotoids.
    Louis H Kauffman*, University of Illinois at Chicago
    (1137-57-56)
• Sunday April 15, 2018, 9:00 a.m.-10:40 a.m.
  Special Session on Motivic homotopy theory, III
  Room 258, Cramer Hall
  Organizers:
  Daniel Dugger, University of Oregon
  Kyle Ormsby, Reed College ormsbyk@reed.edu
  

  • 9:00 a.m.
    A search for an algebraic equivalence analogue of motivic theories.
    Eric M Friedlander*, University of Southern California
    (1137-14-360)
  • 10:00 a.m.
    Suslin's Conjecture and the motivic homotopy of GLn.
    T Benedict Williams*, University of British Columbia
    (1137-19-342)
• Sunday April 15, 2018, 11:10 a.m.-12:00 p.m.
  Invited Address
  A (co)homology theory for subfactors and planar algebras.
  Room 109, Hoffman Hall
  Dimitri Shlyakhtenko*, UCLA
  (1137-46-242)
• Sunday April 15, 2018, 2:00 p.m.-4:40 p.m.
  Special Session on Algebraic Topology, IV
  Room 250, Cramer Hall
  Organizers:
  Angélica Osorno, Reed College aosorno@reed.edu
  Dev Sinha, University of Oregon
  

  • 2:00 p.m.
    The Linearization Conjecture.
    Agnes Beaudry*, University of Colorado Boulder
    (1137-55-111)
  • 3:00 p.m.
    Geometry of cyclotomic trace.
    David Ayala*, Montana State University
    Aaron Mazel-Gee, University of Southern California
    Nick Rozenblyum, University of Chicago
    (1137-55-126)
  • 4:00 p.m.
    Interactions between $(\mathbb{Z}/p)^n$-actions and commutative algebra.
    Jeremiah Heller, University of Illinois at Urbana-Champaign
    Marc Stephan*, University of British Columbia
    (1137-55-289)
• Sunday April 15, 2018, 2:00 p.m.-3:50 p.m.
  Special Session on Biomathematics - Progress and Future Directions, IV
  Room 269, Cramer Hall
  Organizers:
  Hannah Callender Highlander, University of Portland
  Peter Hinow, University of Wisconsin - Milwaukee hinow@uwm.edu
  Deena Schmidt, University of Nevada, Reno
  

  • 2:00 p.m.
    Stochastic Dynamic Transitions for Stochastic Evolution Equations.
    Mickaël D. Chekroun*, UCLA
    (1137-37-356)
  • 2:30 p.m.
    Incorporating data assimilation methods in a simple model for influenza.
    Hannah R Biegel*, University of Arizona
    Joceline Lega, University of Arizona
    (1137-92-134)
  • 3:00 p.m.
    Data-driven multiscale mathematical models of signaling in the maintenance of transcription factor distribution in stem cell homeostasis.
    Weitao Chen*, University of California, Riverside
    (1137-92-122)
  • 3:30 p.m.
    Emergence of Cooperativity in Microbial Consortia.
    Diana Schepens*, Montana State University
    Ross Carlson, Montana State University
    Jeff Heys, Montana State University
    Ashley Beck, Montana State University
    Tomas Gedeon, Montana State University
    (1137-92-112)
• Sunday April 15, 2018, 2:00 p.m.-4:40 p.m.
  Special Session on Differential Geometry, IV
  Room 321, Cramer Hall
  Organizers:
  Christine Escher, Oregon State University tine@science.oregonstate.edu
  Catherine Searle, Wichita State University
  

  • 2:00 p.m.
    The topology of moduli spaces of planar pentagons with singularities.
    Stephen Krughoff*, Oregon State University
    (1137-53-156)
  • 2:30 p.m.
    Discrete conformal geometry of polyhedral surfaces.
    Ren Guo*, Oregon State University
    (1137-53-227)
  • 3:00 p.m.
    Can we detect the geometry and topology of an orbisurface from its Steklov spectrum?
    Teresa Arias-Marco, University of Extremadura
    Emily Dryden, Bucknell University
    Carolyn Gordon, Dartmouth College
    Asma Hassannezhad, University of Bristol
    Allie Ray, Trinity College
    Elizabeth Stanhope*, Lewis & Clark College
    (1137-58-194)
  • 4:00 p.m.
    Action dimensions of some simple complexes of groups.
    Giang Le*, Oregon State University
    (1137-57-237)
• Sunday April 15, 2018, 2:00 p.m.-4:20 p.m.
  Special Session on Geometric Measure Theory and Partial Differential Equations, IV
  Room 271, Cramer Hall
  Organizers:
  Mark Allen, Brigham Young University
  Spencer Becker-Kahn, University of Washington
  Mariana Smit Vega Garcia, University of Washington marianag@uw.edu
  

  • 2:00 p.m.
    Convexity of level lines of Martin functions and some applications.
    Koushik Ramachandran*, Oklahoma State Univeristy
    (1137-35-64)
  • 2:30 p.m.
    Least action principles with applications to gradient flows and kinetic equations.
    Javier A Morales Delgado*, University of Maryland College Park, CSCAMM
    (1137-49-317)
  • 3:00 p.m.
    Elliptic measures and geometric properties of the domains.
    Zihui Zhao*, University of Washington
    (1137-28-61)
  • 3:30 p.m.
    A Tale of Two Approaches.
    S. Ries McCurdy*, University of Washington, Seattle
    (1137-35-284)
  • 4:00 p.m.
    Stochastic Homogenization for Reaction-Diffusion Equations.
    Jessica Lin*, McGill University
    Andrej Zlatos, University of California--San Diego
    (1137-35-178)
• Sunday April 15, 2018, 2:00 p.m.-4:50 p.m.
  Special Session on Inverse Problems, IV
  Rom 371, Cramer Hall
  Organizers:
  Hanna Makaruk, Los Alamos National Laboratory (LANL)
  Robert Owczarek, University of New Mexico, Albuquerque & Los Alamos rowczare@unm.edu
  

  • 2:00 p.m.
    General Relativity, Constraints Theory and Non-Commutative Worlds.
    Louis H Kauffman*, University of Illinois at Chicago
    (1137-83-55)
  • 3:00 p.m.
    Median Shapes: existence, regularity and computation.
    Yunfeng Hu, Washington State University-Pullman
    Matthew Hudelson, Washington State University-Pullman
    Bala Krishnamoorthy, Washington State Univesity-Vancouver
    Altansuren Tumurbaatar, Washington State University-Pullman
    Kevin R. Vixie*, Washington State University-Pullman
    (1137-49-50)
  • 3:30 p.m.
    A Lower Bound for the Reach of a Flat-Norm Minimizer.
    Enrique G Alvarado*, Washington State University
    Kevin R Vixie, Washington State University
    (1137-49-329)
  • 4:00 p.m.
    Bayesian Analysis and Nonlocal Means Method on Tumor Detection.
    Yunfeng Hu*, Washington State University
    Enrique Alvarado, Washington State University
    Kevin Vixie, Washington State University
    Yufeng Cao, Washington State University
    Yuan Wang, Washington State University
    Michael Newsham, Washington State University
    Laramie Paxton, Washington State University
    (1137-49-327)
  • 4:30 p.m.
    A New Model for Liver Segmentation Using Min-cut/Max-flow Algorithms.
    Laramie Paxton*, Washington State University
    Yufeng Cao, Washington State University
    (1137-92-146)
• Sunday April 15, 2018, 2:00 p.m.-4:40 p.m.
  Special Session on Moduli Spaces, IV
  Room 382, Cramer Hall
  Organizers:
  Renzo Cavalieri, Colorado State University
  Damiano Fulghesu, Minnesota State University Moorhead fulghesu@mnstate.edu
  

  • 2:00 p.m.
    The Brauer group of the moduli stack of vector bundles on smooth curves (joint w/ R. Fringuelli).
    Roberto Fringuelli, University of Edinburgh
    Roberto Pirisi*, University of British Columbia
    (1137-14-158)
  • 3:00 p.m.
    Moduli spaces of sheaves on a K3 surface and Galois representations.
    Sarah Frei*, University of Oregon
    (1137-14-181)
  • 4:00 p.m.
    Universal Series for Hilbert Schemes and Strange Duality.
    Drew Johnson*, University of Oregon, Eugene
    (1137-14-131)
• Sunday April 15, 2018, 2:00 p.m.-4:50 p.m.
  Special Session on Noncommutative Algebraic Geometry and Related Topics, IV
  Room 71, Cramer Hall
  Organizers:
  Jesse Levitt, University of Southern California
  Hans Nordstrom, University of Portland nordstro@up.edu
  Xinting Wang, Temple University
  

  • 2:00 p.m.
    Center of Taft Algebra Smash Products.
    Jason Gaddis, Miami University
    Robert Won, Wake Forest University
    Daniel Yee*, Bradley University
    (1137-16-102)
  • 2:30 p.m.
    A representation theoretic study of noncommutative symmetric algebras.
    Daniel Chan, University of New South Wales
    Adam Nyman*, Western Washington University
    (1137-14-13)
  • 3:00 p.m.
    Frobenius-Perron Theory of Modified ADE Quiver Algebras.
    Elizabeth Wicks*, University of Washington, Seattle, WA
    (1137-16-16)
  • 3:30 p.m.
    The enriched Grothendieck construction.
    Jonathan Beardsley, University of Washington, Seattle
    Liang Ze Wong*, University of Washington, Seattle
    (1137-18-79)
  • 4:00 p.m.
    Co-nilpotent Connected Hopf Algebra Actions.
    Jesse S. F. Levitt*, University of Southern California
    Iris Buschelman, University of Southern California
    (1137-16-348)
  • 4:30 p.m.
    The Koszul property for graded twisted tensor products.
    Peter D. Goetz*, Humboldt State University
    (1137-16-328)
• Sunday April 15, 2018, 2:00 p.m.-4:50 p.m.
  Special Session on Nonsmooth Optimization and Applications(Dedicated to Prof. B. S. Mordukhovich on the occasion of his 70th birthday), IV
  Room 53, Cramer Hall
  Organizers:
  Mau Nam Nguyen, Portland State University mnn3@pdx.edu
  Hung M. Phan, University of Massachusetts Lowell
  Shawn Xianfu Wang, University of British Columbia
  

  • 2:00 p.m.
    A Semismooth Inverse Mapping Theorem for ${\cal C}^{1+}$ Functions under Tilt Stability.
    Ebrahim Sarabi*, Miami University
    (1137-49-343)
  • 2:30 p.m.
    Linear convergence of iterative soft thresholding and solution uniqueness to general Lasso in Hilbert spaces.
    Nghia T. A. Tran, Oakland University, Rochester, MI
    Ming Yan, Michigan State University
    Trinh Tran*, Oakland University, Rochester, MI
    (1137-90-170)
  • 3:00 p.m.
    On directional pseudo/quasi-normality and directional enhanced KKT conditions.
    Kuang Bai*, University of Victoria
    (1137-49-253)
  • 3:30 p.m.
    A nonsmooth program for jamming hard spheres.
    Peter Hinow*, University of Wisconsin - Milwaukee
    (1137-49-18)
  • 4:00 p.m.
    An Efficient Algorithm for Finding a 3-Dim Maximum Independent Set.
    Michael A Laidacker*, Lamar University, Beaumont, Tx
    (1137-05-8)
  • 4:30 p.m.
    On Mordukhovich's Criteria for Lipschitz Properties of Nonsmooth Functions and Set-Valued Mappings.
    Mau Nam Nguyen*, Portland State University
    (1137-49-286)
• Sunday April 15, 2018, 2:00 p.m.-4:20 p.m.
  Special Session on Wavelets, Frames, and Related Expansions, IV
  Room 401, Cramer Hall
  Organizers:
  Marcin Bownik, University of Oregon mbownik@uoregon.edu
  Darrin Speegle, Saint Louis University
  

  • 2:00 p.m.
    Quasi-tight Framelets and Matrix Spectral Factorization.
    Bin Han*, University of Alberta
    Chenzhe Diao, University of Alberta
    (1137-41-73)
  • 2:30 p.m.
    Fuglede-Gabor problem over non-separable time-frequency lattices.
    Chun-Kit Lai*, San Francisco State University
    Azita Mayeli, Graduate Center, City University of New York
    (1137-42-68)
  • 3:00 p.m.
    Grassmannian Frames and Minimizers of the $p$-Frame Potentials.
    Kasso A. Okoudjou, University of Maryland, College Park
    Shujie Kang*, University of Maryland, College Park
    (1137-42-259)
  • 3:30 p.m.
    Frames arising from solvable actions.
    Vignon Sourou Oussa*, Bridgewater State University
    (1137-43-51)
  • 4:00 p.m.
    Frames from continuous actions of an operator.
    Akram Aldroubi, Vanderbilt University
    Longxiu Huang, Vanderbilt University
    Armenak Petrosyan*, Vanderbilt University
    (1137-46-127)
• Sunday April 15, 2018, 3:00 p.m.-3:50 p.m.
  Special Session on Automorphisms of Riemann Surfaces and Related Topics, IV
  Room 283, Cramer Hall
  Organizers:
  S. Allen Broughton, Rose-Hulman Institute of Technology
  Mariela Carvacho, Universidad Tecnica Federico Santa Maria
  Anthony Weaver, Bronx Community College, the City University of New York
  Aaron Wootton, University of Portland wootton@up.edu
  

  • 3:00 p.m.
    Discussion
  • 3:30 p.m.
    Discussion

Inquiries: meet@ams.org

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