AMS Sectional Meeting Program by Day

Current as of Sunday, April 21, 2013 00:20:08

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Program  ·  Deadlines  ·  Registration/Housing/Etc.
Special Event or Lecture  ·  Inquiries: meet@ams.org

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Spring Western Sectional Meeting
University of Colorado Boulder, Boulder, CO
April 13-14, 2013 (Saturday - Sunday)
Meeting #1089

Associate secretaries:

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

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Sunday April 14, 2013

• Sunday April 14, 2013, 8:00 a.m.-12:00 p.m.
  Book Sale and Exhibit
  Lobby 2, Eaton Humanities
• Sunday April 14, 2013, 8:00 a.m.-12:00 p.m.
  Meeting Registration
  Lobby 1, Eaton Humanities
• Sunday April 14, 2013, 8:00 a.m.-10:40 a.m.
  Special Session on Algebraic Geometry, III
  Room 259, Hellems Arts and Sciences
  Organizers:
  Sebastian Casalaina-Martin, University of Colorado casa@math.colorado.edu
  Renzo Cavalieri, Colorado State University
  Brendan Hassett, Rice University
  Jonathan Wise, University of Colorado
  

  • 8:00 a.m.
    $t$-structures for the Derived McKay Correspondence.
    Morgan Veljko Brown*, University of Michigan
    (1089-14-323)
  • 9:00 a.m.
    Character Formulas on Cohomology of Deformations of Hilbert Schemes of K3 Surfaces.
    Letao Zhang*, Rice University
    (1089-14-152)
  • 10:00 a.m.
    Picard groups on moduli spaces of K3 surfaces.
    Zhiyuan Li*, Department of Mathematics, Stanford University
    (1089-14-31)
• Sunday April 14, 2013, 8:00 a.m.-10:50 a.m.
  Special Session on Arithmetic Statistics and Big Monodromy, III
  Room 263, Hellems Arts and Sciences
  Organizers:
  Jeff Achter, Colorado State University achter@math.colostate.edu
  Chris Hall, University of Wyoming
  

  • 8:00 a.m.
    Sato-Tate groups of motives.
    Kiran S. Kedlaya*, University of California, San Diego
    (1089-11-80)
  • 8:30 a.m.
    Families of abelian varieties with big monodromy.
    David M Zureick-Brown*, Emory University
    (1089-14-119)
  • 9:00 a.m.
    Most Abelian Varieties over the $\mathbb{Q}$ are not Isogenous to a Jacobian.
    Jacob Tsimerman*, 238 Columbia St., 2W
    (1089-11-358)
  • 9:30 a.m.
    Splitting of abelian varieties, elliptic minuscule pairs.
    Ying Zong*, University of Toronto
    V Kumar Murty, University of Toronto
    (1089-11-330)
  • 10:00 a.m.
    Random elements in interesting groups.
    Igor Rivin*, Temple University
    (1089-22-285)
  • 10:30 a.m.
    Elliptic surfaces and the Inverse Galois Problem.
    David Zywina*, Institute for Advanced Study
    (1089-11-129)
• Sunday April 14, 2013, 8:00 a.m.-10:50 a.m.
  Special Session on Cluster Algebras and Related Combinatorics, III
  Room 191, Hellems Arts and Sciences
  Organizers:
  Gregg Musiker, University of Minnesota
  Kyungyong Lee, Wayne State University klee@math.wayne.edu
  Li Li, Oakland University
  

  • 8:00 a.m.
    Classification of soliton graphs for KP equation.
    Jihui Huang*, The Ohio State University
    (1089-05-173)
  • 8:30 a.m.
    DeRham cohomology of cluster algebras.
    Thomas Lam*, University of Michigan
    David Speyer, University of Michigan
    (1089-13-78)
  • 9:00 a.m.
    Quantum cluster algebra structures on quantum nilpotent algebras.
    K. R. Goodearl, University of California, Santa Barbara
    M. T. Yakimov*, Louisiana State University
    (1089-16-296)
  • 9:30 a.m.
    Clusters in Continuous Cluster Categories.
    Gordana Glisa Todorov*, Northeastern University
    Kiyoshi Igusa, Brandeis University
    (1089-16-337)
  • 10:00 a.m.
    Infinite group actions on Frobenius cyclic posets.
    Kiyoshi Igusa*, Brandeis University
    Gordana G Todorov, Northeastern University
    (1089-18-158)
  • 10:30 a.m.
    F-regularity and cluster algebras.
    Greg Muller*, Louisiana State University
    Jenna Rajchgot, University of Michigan
    Karen E Smith, University of Michigan
    (1089-13-123)
• Sunday April 14, 2013, 8:00 a.m.-10:50 a.m.
  Special Session on Combinatorial Avenues in Representation Theory, III
  Room 135, Eaton Humanities
  Organizers:
  Richard Green, University of Colorado Boulder
  Anne Shepler, University of North Texas ashepler@unt.edu
  Nathaniel Thiem, University of Colorado Boulder
  

  • 8:00 a.m.
    Recent Results Involving Tesler Matrices and Diagonal Harmonics.
    Jim Haglund*, University of Pennsylvania
    Adriano Garsia, UCSD
    (1089-05-283)
  • 8:30 a.m.
    A uniform combinatorial model for Kirillov-Reshetikhin crystals and specialized Macdonald polynomials.
    Cristian Lenart, SUNY Albany
    Satoshi Naito, Tokyo Institute of Technology
    Daisuke Sagaki, University of Tsukuba
    Anne Schilling*, UC Davis
    Mark Shimozono, Virginia Tech
    (1089-05-34)
  • 9:00 a.m.
    Bijective Projections on Parabolic Quotients of Affine Weyl Groups.
    Elizabeth Beazley*, Haverford College
    Margaret Nichols, Oberlin College
    Min Hae Park, Williams College
    Xiaolin Shi, Massachusetts Institute of Technology
    Alexander Youcis, University of Maryland
    (1089-05-221)
  • 9:30 a.m.
    Combinatorics of affine Hecke algebras of type C.
    Zajj Daugherty*, Dartmouth College/ICERM
    Arun Ram, University of Melbourne
    (1089-05-369)
  • 10:00 a.m.
    Rings and near rings in algebraic combinatorics.
    Marcelo Aguiar*, Texas A&M University
    Swapneel Mahajan, IIT Mumbai
    Jacob White, Texas A&M University
    (1089-05-259)
  • 10:30 a.m.
    Toric partial orders.
    Mike Develin, Dept. of Audience Research, Facebook Inc
    Matthew Macauley, Dept. of Mathematics, Clemson University
    Victor Reiner*, School of Mathematics, Univ. of Minnesota
    (1089-05-35)
• Sunday April 14, 2013, 8:00 a.m.-10:50 a.m.
  Special Session on Dynamical Systems: Thermodynamic Formalism and Connections with Geometry, III
  Room 229, Hellems Arts and Sciences
  Organizers:
  Keith Burns, Northwestern University
  Dan Thompson, The Ohio State University thompson@math.osu.edu
  

  • 8:00 a.m.
    The set of minimal but not uniquely ergodic 4-IETs has Hausdorff dimension 2 1/2.
    Jayadev Athreya, University of Illinois, Urbana-Champaign
    Jon Chaika*, University of Chicago/ University of Utah
    (1089-37-281)
  • 8:30 a.m.
    Salem Numbers and Abelian Surface Automorphisms.
    Paul Reschke*, University of Illinois - Chicago
    (1089-37-210)
  • 9:00 a.m.
    Large deviations and non-uniform specification properties.
    Vaughn Climenhaga*, University of Houston
    Daniel J. Thompson, The Ohio State University
    Kenichiro Yamamoto, Tokyo Denki University
    (1089-37-148)
  • 9:30 a.m.
    Memory loss for time-dependent piecewise expanding systems in higher dimension.
    Chinmaya Gupta, University of Houston
    William Ott, University of Houston
    Andrew Torok*, University of Houston
    (1089-37-295)
  • 10:00 a.m.
    Sumsets with one dense and one infinite summand.
    John T Griesmer*, University of Denver
    (1089-37-282)
  • 10:30 a.m.
    Entropies and rigidity of compact manifolds.
    François Ledrappier*, University of Notre Dame, Notre Dame, IN
    (1089-51-177)
• Sunday April 14, 2013, 8:00 a.m.-10:40 a.m.
  Special Session on Foundations of Computational Mathematics, III
  Room 193, Hellems Arts and Sciences
  Organizers:
  Susan Margulies, Pennsylvania State University margulies@math.psu.edu
  Jesus De Loera, University of California, Davis
  

  • 8:00 a.m.
    Hilbert's Nullstellensatz and Linear Algebra: An Algorithm for Determining Combinatorial Infeasibility.
    Susan Margulies*, Pennsylvania State University
    Jesus De Loera, UC Davis
    Jon Lee, University of Michigan
    Shmuel Onn, Technion
    (1089-14-333)
  • 9:00 a.m.
    Hyperbolic polynomials, interlacers, and sums of squares.
    Mario Kummer, Universitat Konstanz
    Daniel Plaumann, Universitat Konstanz
    Cynthia Vinzant*, University of Michigan
    (1089-52-335)
  • 10:00 a.m.
    A Tale of Three Theorems.
    Greg Blekherman*, Georgia Insitute of Technology
    Greg Smith, Queens University
    Mauricio Velasco, Universidad de los Andes
    (1089-14-258)
• Sunday April 14, 2013, 8:00 a.m.-10:20 a.m.
  Special Session on Nonlinear Waves and Integrable Systems, III
  Room 125, Eaton Humanities
  Organizers:
  Christopher W. Curtis, University of Colorado, Boulder
  Anton Dzhamay, University of Northern Colorado
  Willy Hereman, Colorado School of Mines
  Barbara Prinari, University of Colorado, Colorado Springs bprinari@uccs.edu
  

  • 8:00 a.m.
    A numerical Riemann--Hilbert approach for the Korteweg--de Vries equation.
    Thomas Trogdon*, University of Washington
    (1089-65-49)
  • 8:30 a.m.
    The Gaussian Semiclassical Soliton Ensemble.
    Long Lee, University of Wyoming
    Gregory Lyng*, University of Wyoming
    Irena Vankova, New York University
    (1089-35-48)
  • 9:00 a.m.
    Perturbed Magnetic Droplet Solitons.
    Mark A Hoefer*, North Carolina State University
    (1089-35-187)
  • 9:30 a.m.
    Tight-Binding Approximations and Edge States in Honeycomb Optical Lattices.
    Chris Curtis*, University of Colorado
    (1089-78-389)
  • 10:00 a.m.
    Dispersive shock wave interactions and asymptotics.
    Douglas E Baldwin*, University of Colorado at Boulder
    (1089-35-300)
• Sunday April 14, 2013, 8:00 a.m.-10:40 a.m.
  Special Session on Set Theory and Boolean Algebras, III
  Room 177, Hellems Arts and Sciences
  Organizers:
  Natasha Dobrinen, University of Denver natasha.dobrinen@du.edu
  Don Monk, University of Colorado, Boulder
  

  • 8:00 a.m.
    Laver and his mathematics.
    Jean A. Larson*, University of Florida, Gainesville, FL
    (1089-03-289)
  • 9:00 a.m.
    Hausdorff Gaps and Towers in $\mathcal{P}(\omega)/fin$.
    David Chodounsky*, Department of Mathematics and Statistics, York University, Toronto
    (1089-03-178)
  • 10:00 a.m.
    A recipe for homogeneous compacta.
    David Milovich*, Texas A&M International University
    (1089-03-352)
• Sunday April 14, 2013, 8:00 a.m.-10:40 a.m.
  Special Session on Singular Spaces in Geometry, Topology, and Algebra, III
  Room 145, Eaton Humanities
  Organizers:
  Greg Friedman, Texas Christian University greg.b.friedman@gmail.com
  Laurentiu Maxim, University of Wisconsin, Madison
  

  • 8:00 a.m.
    Towards Stratification Learning via Homology Inference.
    Paul Louis Bendich*, Duke University
    Bei Wang, Scientifc Computing and Imaging Institute, University of Utah
    Sayan Mukherjee, Duke University
    (1089-55-190)
  • 9:00 a.m.
    Products and the real weight filtration.
    Clint McCrory*, University of Georgia
    (1089-14-98)
  • 10:00 a.m.
    Inner jumping numbers of non-degenerate polynomials.
    Gonzalez Villa Manuel*, Match, University of Heidelberg
    (1089-14-386)
• Sunday April 14, 2013, 8:00 a.m.-10:50 a.m.
  Special Session on Themes in Applied Mathematics: From Data Analysis through Fluid Flows and Biology to Topology, III
  Room 1B80, Eaton Humanities
  Organizers:
  Hanna Makaruk, Los Alamos National Laboratory
  Robert Owczarek, University of New Mexico, and Enfitek, Inc owczarek@hughes.net
  

  • 8:00 a.m.
    Quantum Invariants of 3-Manifolds and their Asymptotics.
    Charles D. Frohman, The University of Iowa
    Joanna Kania-Bartoszynska*, National Science Foundation
    (1089-57-380)
  • 8:30 a.m.
    Remarks on the asymptotic invariants of divergence free vector fields.
    Rafal Komendarczyk*, Tulane University (Mathematics)
    (1089-53-118)
  • 9:00 a.m.
    Links modulo rational moves.
    Mieczyslaw K Dabkowski*, Department of Mathematical Sciences, University of Texas at Dallas, Richardson TX
    (1089-57-402)
  • 9:30 a.m.
    Topology of the Apollonian disk packing and physics.
    Jerzy Kocik*, Southern Illinois University, Carbondale
    (1089-20-408)
  • 10:00 a.m.
    Ultra-low field anatomical magnetic resonance imaging.
    Igor M Savukov*, Los Alamos National Laboratory, Los Alamos, NM 87545
    Todor Karaulanov, Los Alamos National Laboratory, Los Alamos, NM 87545
    Larry J Schultz, Los Alamos National Laboratory, Los Alamos, NM 87545
    (1089-92-211)
  • 10:30 a.m.
    The link problem for algebraic isometry: the complete solution.
    Zbigniew Oziewicz*, Universidad Nacional Autonoma de Mexico. Facultad de Estudios Superiores Cuautitlan
    (1089-83-62)
• Sunday April 14, 2013, 8:30 a.m.-10:20 a.m.
  Special Session on Advances in Mathematical Biology, II
  Room 185, Hellems Arts and Sciences
  Organizers:
  Liming Wang, California State University, Los Angeles limingwang.math@gmail.com
  Jiangguo Liu, Colorado State University
  

  • 8:30 a.m.
    Understanding the Dynamics of Membrane Proteins.
    Flor A Espinoza, Department of Mathematic sand Statistics, Kennesaw State University
    Stanly Steinberg L Steinberg*, Department of Mathematics and Statistics, University of New Mexico
    (1089-92-146)
  • 9:00 a.m.
    A critical quantity for noise attenuation in feedback systems.
    Liming Wang*, California State University, Los Angeles
    Jack Xin, University of California, Irvine
    Qing Nie, University of California, Irvine
    (1089-92-93)
  • 9:30 a.m.
    Cell Polarization in Budding Yeast.
    Wing-Cheong Lo, Mathematical Institute of Biosciences, Ohio State University
    Mid Eum Lee, Department of Molecular Genetics, Ohio State University
    Monisha Narayan, Department of Mathematics, Ohio State University
    Ching-Shan Chou*, Department of Mathematics, Ohio State University
    Hay-Oak Park, Department of Molecular Genetics, Ohio State University
    (1089-92-94)
  • 10:00 a.m.
    Spatio-temporal regulation of developmental processes.
    William R Holmes*, University of California, Irvine
    Qing Nie, University of California, Irvine
    (1089-92-153)
• Sunday April 14, 2013, 8:30 a.m.-10:50 a.m.
  Special Session on Algebras, Lattices and Varieties, III
  Room 255, Hellems Arts and Sciences
  Organizers:
  Keith A. Kearnes, University of Colorado, Boulder kearnes@euclid.colorado.edu
  Ágnes Szendrei, University of Colorado, Boulder
  

  • 8:30 a.m.
    Bipartite graphs and their idempotent polymorphisms.
    Ross Willard*, University of Waterloo
    (1089-05-284)
  • 9:00 a.m.
    Graphs, digraphs and k-NU polymorphisms.
    Tomas Feder, Stanford University
    Pavol Hell, Simon Fraser University
    Benoit Larose*, Concordia University
    Mark Siggers, Kyungpook National University
    Claude Tardif, Royal Military College, Kingston
    (1089-08-97)
  • 9:30 a.m.
    CSP for Commutative, Idempotent Groupoids.
    Clifford Bergman, Iowa State University
    David Failing*, Iowa State University
    (1089-08-43)
  • 10:00 a.m.
    Algebraic closure of some generalized convex sets.
    Anna B. Romanowska*, Warsaw University of Technology, Mathematics and Information Science
    Gabor Czedli, University of Szeged, Hungary
    (1089-08-233)
  • 10:30 a.m.
    Directional algebras and digroups.
    Jonathan D.H. Smith*, Iowa State University
    (1089-08-218)
• Sunday April 14, 2013, 8:30 a.m.-9:50 a.m.
  Special Session on Analysis of Dynamics of the Incompressible Fluids, III
  Room 245, Eaton Humanities
  Organizers:
  Mimi Dai, University of Colorado, Boulder mimi.dai@colorado.edu
  Congming Li, University of Colorado, Boulder
  

  • 8:30 a.m.
    On Global Regularity of 2D Incompressible Magnetohydrodynamics equations with Partial Dissipation.
    Xinwei Yu*, Mathematical & Statistical Sciences, University of Alberta
    Chuong V. Tran, School of Mathematics and Statistics, University of St. Andrews
    Luke A. K. Blackbourn, School of Mathematics and Statistics, University of St. Andrews
    Zhichun Zhai, Mathematical & Statistical Sciences, University of Alberta
    (1089-76-228)
  • 9:00 a.m.
    An Estimate on the Size of the Singular Set for Solutions of the Navier-Stokes System.
    Igor Kukavica, University of Southern California
    Yuan Pei*, University of Southern California
    (1089-35-106)
  • 9:30 a.m.
    Well-posedness for the 3D generalized Navier-Stokes equations in the Triebel-Lizorkin space framework.
    C. Deng*, Penn State University
    X Yao, Central China Normal University
    (1089-35-278)
• Sunday April 14, 2013, 8:30 a.m.-10:50 a.m.
  Special Session on Associative Rings and Their Modules, III
  Room 1B70, Eaton Humanities
  Organizers:
  Greg Oman, University of Colorado, Colorado Springs goman@uccs.edu
  Zak Mesyan, University of Colorado, Colorado Springs
  

  • 8:30 a.m.
    Algebras Having Bases Consisting Entirely of Units.
    Sergio L/'opez-Permouth, Ohio University
    Jeremy Moore, Otterbein University
    Steve Szabo*, Eastern Kentucky University
    (1089-16-10)
  • 9:00 a.m.
    Integrally closed rings and the Zariski-Riemann space of valuation rings.
    Bruce Olberding*, New Mexico State University
    (1089-13-272)
  • 9:30 a.m.
    Automorphism-invariant modules and additive unit representations in endomorphism rings.
    Ashish K Srivastava*, Saint Louis University
    Pedro A Guil Asensio, Universidad de Murcia, Murcia, Spain
    (1089-16-40)
  • 10:00 a.m.
    Rings with faithful modules whose endomorphism rings are division rings.
    Gangyong Lee, The Ohio State University, Columbus, OH
    Cosmin Roman*, The Ohio State University, Lima, OH
    Xiaoxiang Zhang, Southeast University, Nanjing, China
    (1089-16-348)
  • 10:30 a.m.
    An Alternative Perspective to Projectivity.
    Christopher Holston*, Ohio University
    Sergio R. Lopez-Permouth, Ohio University
    Joseph Mastromatteo, Ohio University
    Jose E. Simental-Rodriguez, Northeastern University
    (1089-16-314)
• Sunday April 14, 2013, 8:30 a.m.-10:50 a.m.
  Special Session on Combinatorial and Computational Commutative Algebra and Algebraic Geometry, III
  Room 251, Hellems Arts and Sciences
  Organizers:
  Hirotachi Abo, University of Idaho
  Zach Teitler, Boise State University
  Alexander Woo, University of Idaho awoo@uidaho.edu
  

  • 8:30 a.m.
    Nonnegative sections and sums of squares.
    Grigoriy Blekherman, Georgia Tech
    Gregory G. Smith*, Queen's University
    Mauricio Velasco, Universidad de los Andes
    (1089-14-217)
  • 9:00 a.m.
    Estimating the Genus of a Complex Affine Curve using Computational Topology.
    James S Wolper*, Idaho State University
    (1089-14-14)
  • 9:30 a.m.
    A Combinatorial Algorithm for Generating Free Resolutions of Ideals with Binomial and Monomial Generators.
    Trevor McGuire*, Louisiana State University
    (1089-13-09)
  • 10:00 a.m.
    "Doubly universal" Gröbner bases.
    Mathias Lederer, Universitat Bielefeld
    Jenna Rajchgot*, University of Michigan
    (1089-14-361)
  • 10:30 a.m.
    Conjectural Containments and Counterexamples.
    Brian Harbourne*, University of Nebraska-Lincoln
    (1089-14-249)
• Sunday April 14, 2013, 8:30 a.m.-10:50 a.m.
  Special Session on Extremal Graph Theory, III
  Room 1B90, Eaton Humanities
  Organizers:
  Michael Ferrara, University of Colorado Denver michael.ferrara@ucdenver.edu
  Stephen Hartke, University of Nebraska-Lincoln
  Michael Jacobson, University of Colorado Denver
  

  • 8:30 a.m.
    Anti-Ramsey Multiplicities of Graphs and Arithmetic Progressions.
    Michael Young*, Iowa State University
    (1089-05-265)
  • 9:00 a.m.
    Getting to the point of Reed's Conjecture: How local can you go?
    Andrew D King*, Simon Fraser University
    (1089-05-65)
  • 9:30 a.m.
    Coupon colorings of graphs.
    Jacques Verstraete*, University of California, San Diego
    Bob Chen, University of California, San Diego
    Jeong Han Kim, National Institute for Mathematical Sciences of South Korea
    Michael Tait, University of California, San Diego
    (1089-05-384)
  • 10:00 a.m.
    Short proofs of coloring theorems on planar graphs.
    Oleg V. Borodin, Sobolev Institute of Mathematics and Novosibirsk State University
    Alexandr V. Kostochka, University of Illinois at Urbana-Champaign
    Bernard Lidický*, University of Illinois at Urbana-Champaign
    Matthew Yancey, University of Illinois at Urbana-Champaign
    (1089-05-343)
  • 10:30 a.m.
    Extremal graphs for Gallai's Conjecture on the minimum size of $k$-critical $n$-vertex graphs.
    Alexandr Kostochka*, University of Illinois at Urbana-Champaign
    Matthew Yancey, University of Illinois at Urbana-Champaign
    (1089-05-86)
• Sunday April 14, 2013, 8:30 a.m.-10:50 a.m.
  Special Session on Geometric Methods in the Representation Theory of Reductive Groups, III
  Room 137, Hellems Arts and Sciences
  Organizers:
  J. Matthew Douglass, University of North Texas douglass@unt.edu
  Gerhard Roehrle, Ruhr- Universitaet Bochum
  Rahbar Virk, University of Colorado Boulder
  

  • 8:30 a.m.
    Excited Young diagrams, equivariant K-theory, and Schubert varieties.
    William Graham*, Department of Mathematics, University of Georgia
    Victor Kreiman, Department of Mathematics, University of Wisconsin-Parkside
    (1089-14-222)
  • 9:00 a.m.
    $K$-orbits on the flag variety as universal degeneracy loci for flagged vector bundles splitting as direct sums.
    Benjamin J. Wyser*, University of Illinois at Urbana-Champaign
    (1089-14-404)
  • 9:30 a.m.
    Parity sheaves on the affine Grassmannian and coherent sheaves on the nilpotent cone.
    Laura Rider*, Louisiana State University
    Pramod N. Achar, Louisiana State University
    (1089-22-311)
  • 10:00 a.m.
    Representation theory of symplectic singularities.
    Ben Webster*, Northeastern University
    (1089-16-247)
  • 10:30 a.m.
    Modules over Algebraic Quantizations and representation theory.
    Christopher Dodd*, University of Toronto
    (1089-20-410)
• Sunday April 14, 2013, 8:30 a.m.-10:20 a.m.
  Special Session on Harmonic Analysis of Frames, Wavelets, and Tilings, III
  Room 237, Hellems Arts and Sciences
  Organizers:
  Veronika Furst, Fort Lewis College
  Keri Kornelson, University of Oklahoma
  Eric Weber, Iowa State University esweber@iastate.edu
  

  • 8:30 a.m.
    Localization of Matrix Factorizations.
    Tim Wertz*, University of California, Davis
    Thomas Strohmer, University of California, Davis
    (1089-47-182)
  • 9:00 a.m.
    Dynamical Sampling.
    Akram Aldroubi, Vanderbilt University
    Jacqueline Davis*, Vanderbilt University
    Ilya Krishtal, Northern Illinois University
    (1089-42-268)
  • 9:30 a.m.
    Parseval Frame Wavelets on Some Non-Abelian Nilpotent Matrix Groups.
    Vignon S Oussa*, Bridgewater State University
    (1089-43-11)
  • 10:00 a.m.
    Frames, Dilations and Operator-Valued Measures.
    David R. Larson*, Texas A&M University
    (1089-47-312)
• Sunday April 14, 2013, 8:30 a.m.-10:50 a.m.
  Special Session on Noncommutative Geometry and Geometric Analysis, III
  Room 190, Eaton Humanities
  Organizers:
  Carla Farsi, University of Colorado, Boulder
  Alexander Gorokhovsky, University of Colorado, Boulder Alexander.Gorokhovsky@colorado.edu
  

  • 8:30 a.m.
    Some noncommutative geometry problems arising from the orbit method.
    Nigel Higson*, Penn State University
    (1089-51-139)
  • 9:00 a.m.
    Projective modules for noncommutative solenoids.
    Judith A Packer*, University of Colorado, Boulder
    (1089-46-205)
  • 9:30 a.m.
    Complex Vector Bundles over the Theta-Deformed 4-Sphere.
    Mira A Peterka*, University of Kansas
    (1089-46-334)
  • 10:00 a.m.
    Scalar Curvature for Noncommutative Four Tori.
    Farzad Fathizadeh*, Western University
    Masoud Khalkhali, Western University
    (1089-58-82)
  • 10:30 a.m.
    Algebraic and Hermitian K-theory of stable algebras.
    Mariusz Wodzicki*, Department of Mathematics, University of California, Berkeley
    (1089-19-234)
• Sunday April 14, 2013, 9:00 a.m.-10:50 a.m.
  Special Session on Diophantine Approximation on Manifolds and Fractals: Dynamics, Measure Theory and Schmidt Games, III
  Room 180, Eaton Humanities
  Organizers:
  Wolfgang Schmidt, University of Colorado at Boulder
  Lior Fishman, University of North Texas lfishman@unt.edu
  

  • 9:00 a.m.
    Multiplicative and Inhomogeneous Diophantine Approximation.
    Sanju Velani*, University of York
    (1089-11-33)
  • 10:00 a.m.
    Winning and losing parameters of Schmidt's ($\alpha$, $\beta$)-game.
    Tue N Ly*, Brandeis University
    (1089-91-147)
  • 10:30 a.m.
    Construction of normal numbers through homeomorphisms of Cantor spaces.
    Bill Mance*, University of North Texas
    Jimmy Tseng, University of Bristol
    (1089-11-71)
• Sunday April 14, 2013, 9:00 a.m.-10:50 a.m.
  Special Session on Elliptic Systems and Their Applications, III
  Room 181, Hellems Arts and Sciences
  Organizers:
  Wenxiong Chen, Yeshiva University wchen@yu.edu
  Congming Li, University of Colorado at Boulder
  

  • 9:00 a.m.
    On semilinear elliptic equations invovling Sobolev and Sobolev-Hardy critical nonlinearities with singularities on the boundary.
    Jann-Long Chern, Department of Mathematics, National Central University
    Chun-Hsiung Hsia*, Department of Mathematics, National Taiwan University
    Chang-Shou Lin, Department of Mathematics, National Taiwan University
    Wadade Hidemitsu, Faculty of Education, Gifu University
    (1089-35-239)
  • 9:30 a.m.
    Reversed sharp Hardy-Littewood-Sobolev inequality.
    Meijun Zhu*, University of Oklahoma
    (1089-35-99)
  • 10:00 a.m.
    Ill-posedness for the Navier-Stokes equations in Triebel-Lizorkin space in R3.
    C. Deng*, Penn State University
    X Yao, central china normal university
    (1089-35-277)
  • 10:30 a.m.
    Existence/nonexistence criteria for some systems of elliptic type.
    C Li*, Dept. of Math. at SJTU and Dept. of Applied Math. CU Boulder
    Y Lei, Nanjing Normal University
    (1089-35-52)
• Sunday April 14, 2013, 9:00 a.m.-10:50 a.m.
  Special Session on Number Theory with a Focus on Diophantine Equations and Recurrence Sequences, III
  Room 186, Eaton Humanities
  Organizers:
  Patrick Ingram, Colorado State University pingram@math.colostate.edu
  Katherine E. Stange, University of Colorado, Boulder
  

  • 9:00 a.m.
    On prime factors of binary recurrence sequences.
    Cameron L. Stewart*, University of Waterloo
    (1089-11-214)
  • 9:30 a.m.
    Linear divisibility sequences.
    Richard K. Guy*, The University of Calgary
    Hugh C. Williams, The University of Calgary
    (1089-11-198)
  • 10:00 a.m.
    Some Interesting Linear Divisibility Sequences of Order Four.
    Hugh C Williams*, University of Calgary
    Richard K Guy, University of Calgary
    (1089-11-163)
  • 10:30 a.m.
    Metric height functions on an Abelian group.
    Charles L Samuels*, Oklahoma City University
    (1089-11-24)
• Sunday April 14, 2013, 11:10 a.m.-12:00 p.m.
  Invited Address
  Recent advances in the theory of linear programming.
  Room 1B50, Eaton Humanities
  Jesus A. De Loera*, University of California, Davis
  (1089-90-02)
• Sunday April 14, 2013, 2:00 p.m.-2:50 p.m.
  Invited Address
  Higher Representation theory.
  Room 1B50, Eaton Humanities
  Raphael Rouquier*, University of California, Los Angeles
  (1089-22-04)
• Sunday April 14, 2013, 3:00 p.m.-5:40 p.m.
  Special Session on Algebraic Geometry, IV
  Room 259, Hellems Arts and Sciences
  Organizers:
  Sebastian Casalaina-Martin, University of Colorado casa@math.colorado.edu
  Renzo Cavalieri, Colorado State University
  Brendan Hassett, Rice University
  Jonathan Wise, University of Colorado
  

  • 3:00 p.m.
    Motivic Analytic Number Theory.
    Daniel Litt*, Stanford University
    (1089-14-26)
  • 4:00 p.m.
    Computations and comparisons for double ramification classes on the moduli space of curves.
    Renzo Cavalieri, Colorado State University
    Steffen Marcus*, University of Utah
    Jonathan Wise, University of Colorado Boulder
    (1089-14-353)
  • 5:00 p.m.
    The Open String McKay Correspondence for Type A Singularities.
    Andrea Brini, Universite de Montpellier / Imperial College
    Renzo Cavalieri, Colorado State University
    Dustin Ross*, Colorado State University
    (1089-14-219)
• Sunday April 14, 2013, 3:00 p.m.-4:50 p.m.
  Special Session on Algebras, Lattices and Varieties, IV
  Room 255, Hellems Arts and Sciences
  Organizers:
  Keith A. Kearnes, University of Colorado, Boulder kearnes@euclid.colorado.edu
  Ágnes Szendrei, University of Colorado, Boulder
  

  • 3:00 p.m.
    Congruence n-permutable varieties.
    Matt Valeriote*, McMaster University
    (1089-08-274)
  • 3:30 p.m.
    A disjunction characterizing varieties with a weak difference term.
    Alexander Wires*, Vanderbilt University
    (1089-08-350)
  • 4:00 p.m.
    Malcev families of quasivarieties closed under join or Malcev product.
    Ralph N McKenzie*, Vanderbilt University
    (1089-08-405)
  • 4:30 p.m.
    Topological algebras on finite simplicial complexes.
    Walter Taylor*, University of Colorado, Boulder, Colorado
    (1089-08-136)
• Sunday April 14, 2013, 3:00 p.m.-4:20 p.m.
  Special Session on Combinatorial Avenues in Representation Theory, IV
  Room 135, Eaton Humanities
  Organizers:
  Richard Green, University of Colorado Boulder
  Anne Shepler, University of North Texas ashepler@unt.edu
  Nathaniel Thiem, University of Colorado Boulder
  

  • 3:00 p.m.
    Immaculate basis and the non-commutative littlewood richardson rule.
    Nantel Bergeron*, York University
    C. Berg, UQAM
    F. Saliola, UQAM
    L. Serrano, UQAM
    M. Zabrocki, York University
    (1089-05-89)
  • 3:30 p.m.
    The stable moment graph and periodic structures in the affine category O.
    Martina Lanini*, The University of Melbourne
    (1089-17-340)
  • 4:00 p.m.
    Generalized Schubert Calculus.
    Nora Ganter, University of Melbourne
    Arun Ram*, University of Melbourne
    (1089-14-81)
• Sunday April 14, 2013, 3:00 p.m.-4:20 p.m.
  Special Session on Combinatorial and Computational Commutative Algebra and Algebraic Geometry, IV
  Room 251, Hellems Arts and Sciences
  Organizers:
  Hirotachi Abo, University of Idaho
  Zach Teitler, Boise State University
  Alexander Woo, University of Idaho awoo@uidaho.edu
  

  • 3:00 p.m.
    Searching for exceptional mechanisms via fiber products.
    Dan Bates*, Colorado State University
    Eric Hanson, Colorado State University
    Jon Hauenstein, NC State University
    Charles Wampler, General Motors R&D
    (1089-65-183)
  • 3:30 p.m.
    Orthogonal groups O(n) over GF(2) as automorphisms.
    Young-Jo Kwak*, Japan
    (1089-17-41)
  • 4:00 p.m.
    Polynomiality and Wall Crossings in Hurwitz Theory.
    Renzo Cavalieri*, Colorado State University
    (1089-14-155)
• Sunday April 14, 2013, 3:00 p.m.-4:20 p.m.
  Special Session on Diophantine Approximation on Manifolds and Fractals: Dynamics, Measure Theory and Schmidt Games, IV
  Room 180, Eaton Humanities
  Organizers:
  Wolfgang Schmidt, University of Colorado at Boulder
  Lior Fishman, University of North Texas lfishman@unt.edu
  

  • 3:00 p.m.
    Diophantine approximation and the geometry of limit sets in Gromov hyperbolic metric spaces.
    David Samuel Simmons*, Ohio State University
    (1089-37-58)
  • 4:00 p.m.
    Geometrically extremal measures.
    Tushar Das*, Oregon State University, Corvallis OR
    (1089-28-85)
• Sunday April 14, 2013, 3:00 p.m.-4:20 p.m.
  Special Session on Dynamical Systems: Thermodynamic Formalism and Connections with Geometry, IV
  Room 229, Hellems Arts and Sciences
  Organizers:
  Keith Burns, Northwestern University
  Dan Thompson, The Ohio State University thompson@math.osu.edu
  

  • 3:00 p.m.
    Quasi-stability and quasi-shadowing for partially hyperbolic diffeomorphisms.
    Huyi Hu*, Michigan State University
    Yujun Zhu, Hebei Normal University
    Yunhua Zhou, Chongqing University
    (1089-37-355)
  • 3:30 p.m.
    Memory loss for nonequilibrium open dynamical systems.
    Anushaya Mohapatra, University of Houston
    William Ott*, University of Houston
    (1089-37-379)
  • 4:00 p.m.
    Measure rigidity for random surface dynamics.
    Aaron W. Brown*, Penn State
    Federico Rodriguez Hertz, Penn State
    (1089-37-373)
• Sunday April 14, 2013, 3:00 p.m.-4:50 p.m.
  Special Session on Elliptic Systems and Their Applications, IV
  Room 181, Hellems Arts and Sciences
  Organizers:
  Wenxiong Chen, Yeshiva University wchen@yu.edu
  Congming Li, University of Colorado at Boulder
  

  • 3:00 p.m.
    Discrete Maximum Principle on The Hardy-Littlewood-Sobolev Inequality.
    Ze Cheng*, University of Colorado at Boulder
    Congming Li, University of Colorado at Boulder
    (1089-35-275)
  • 3:30 p.m.
    Shooting with Degree Theory: Existence Results for Some Weighted Polyharmonic Systems.
    John Villavert*, University of Colorado at Boulder
    (1089-35-243)
  • 4:00 p.m.
    Dirichlet Problems for Fractional Laplacians.
    Wenxiong Chen*, Yeshiva University
    Yanqin Fang, Hunan University
    Ray Yang, Courant Institute, New York University
    (1089-35-150)
  • 4:30 p.m.
    Liouville type theorems for Schrödinger system in a half space.
    Ran Zhuo*, Yeshiva University
    Fengquan Li, Dalian University of Techlnology
    (1089-35-368)
• Sunday April 14, 2013, 3:00 p.m.-5:20 p.m.
  Special Session on Extremal Graph Theory, IV
  Room 1B90, Eaton Humanities
  Organizers:
  Michael Ferrara, University of Colorado Denver michael.ferrara@ucdenver.edu
  Stephen Hartke, University of Nebraska-Lincoln
  Michael Jacobson, University of Colorado Denver
  

  • 3:00 p.m.
    Saturation Numbers.
    Ralph J Faudree*, Dept. of Math. Sci., University of Memphis
    (1089-05-32)
  • 3:30 p.m.
    Saturated Subgraphs of Multipartite Graphs.
    Michael Ferrara, University of Colorado Denver
    Michael Jacobson, University of Colorado Denver
    Florian Pfender, University of Colorado Denver
    Paul S. Wenger*, Rochester Institute of Technology
    (1089-05-191)
  • 4:00 p.m.
    Complete subgraphs in multipartite graphs.
    Florian Pfender*, University of Colorado Denver
    (1089-05-391)
  • 4:30 p.m.
    $k$-fold Sidon sets.
    Craig M Timmons*, University of California San Diego
    (1089-05-22)
  • 5:00 p.m.
    Graphs with the Fewest Matchings.
    Lauren Keough*, University of Nebraska - Lincoln
    A.J. Radcliffe, University of Nebraska - Lincoln
    (1089-05-294)
• Sunday April 14, 2013, 3:00 p.m.-5:20 p.m.
  Special Session on Geometric Methods in the Representation Theory of Reductive Groups, IV
  Room 137, Hellems Arts and Sciences
  Organizers:
  J. Matthew Douglass, University of North Texas douglass@unt.edu
  Gerhard Roehrle, Ruhr- Universitaet Bochum
  Rahbar Virk, University of Colorado Boulder
  

  • 3:00 p.m.
    The existence and descent of Levi factors.
    George J McNinch*, Tufts University
    (1089-20-256)
  • 3:30 p.m.
    On the Geometric Invariant Theory of Moy-Prasad filtrations.
    Mark Reeder*, Boston College
    (1089-22-125)
  • 4:00 p.m.
    Eigenvalue coincidences and K-orbits on the flag variety.
    Sam Evens*, University of Notre Dame
    (1089-22-252)
  • 4:30 p.m.
    Categorifications and rational Cherednik algebras.
    Peng Shan*, MIT
    (1089-16-270)
  • 5:00 p.m.
    Signatures of invariant forms on Harish-Chandra modules.
    Peter E Trapa*, University of Utah
    (1089-22-267)
• Sunday April 14, 2013, 3:00 p.m.-4:50 p.m.
  Special Session on Harmonic Analysis of Frames, Wavelets, and Tilings, IV
  Room 237, Hellems Arts and Sciences
  Organizers:
  Veronika Furst, Fort Lewis College
  Keri Kornelson, University of Oklahoma
  Eric Weber, Iowa State University esweber@iastate.edu
  

  • 3:00 p.m.
    Exponential Splines with Complex Order.
    Peter Robert Massopust*, Helmholtz Zentrum München and Technische Universität München, Germany
    (1089-41-142)
  • 3:30 p.m.
    Constructing Projective Multiresolution Analyses over Irrational Rotation Algebras.
    Benjamin Purkis*, University of Colorado, Boulder
    (1089-43-309)
  • 4:00 p.m.
    Bracket map for the Heisenberg group and the characterization of cyclic subspaces.
    Azita Mayeli*, Queensborough C. College, City University of New York, NY
    (1089-43-328)
  • 4:30 p.m.
    Tilings in wavelet theory: IFS measures and wavelet packets.
    Palle E. T. Jorgensen*, University of Iowa
    (1089-43-19)
• Sunday April 14, 2013, 3:00 p.m.-5:20 p.m.
  Special Session on Noncommutative Geometry and Geometric Analysis, IV
  Room 190, Eaton Humanities
  Organizers:
  Carla Farsi, University of Colorado, Boulder
  Alexander Gorokhovsky, University of Colorado, Boulder Alexander.Gorokhovsky@colorado.edu
  

  • 3:00 p.m.
    Noncommutative Geometry, Analysis on Fractals, Dirac Operators and Geodesic Metric on Fractal Manifolds.
    Michel L. Lapidus*, University of California, Riverside
    Jonathan J. Sarhad, University of California, Riverside
    (1089-58-121)
  • 3:30 p.m.
    Multiplicities of the equivariant index.
    Jochen Brüning, Humboldt Universität zu Berlin
    Franz W Kamber, University of Illinois
    Ken Richardson*, Texas Christian University
    (1089-58-116)
  • 4:00 p.m.
    Examples of Witten deformations for Riemannian foliations.
    Igor Prokhorenkov*, Texas Christian University
    Ken Richardson, Texas Christian University
    (1089-58-92)
  • 4:30 p.m.
    The inertia space associated to a proper Lie group action as a stratified space.
    Carla Farsi, University of Colorado at Boulder
    Markus Pflaum, University of Colorado at Boulder
    Christopher Seaton*, Rhodes College
    (1089-57-367)
  • 5:00 p.m.
    Local Calabi and curvature estimates for the Chern-Ricci flow.
    Morgan Sherman*, California Polytechnic State University
    Ben Weinkove, Northwestern University
    (1089-53-332)
• Sunday April 14, 2013, 3:00 p.m.-5:20 p.m.
  Special Session on Nonlinear Waves and Integrable Systems, IV
  Room 125, Eaton Humanities
  Organizers:
  Christopher W. Curtis, University of Colorado, Boulder
  Anton Dzhamay, University of Northern Colorado
  Willy Hereman, Colorado School of Mines
  Barbara Prinari, University of Colorado, Colorado Springs bprinari@uccs.edu
  

  • 3:00 p.m.
    Nearly time-periodic water waves.
    Jon Wilkening*, UC Berkeley
    (1089-76-250)
  • 3:30 p.m.
    Numerical solution of the time dependent water-wave equations.
    Vishal Vasan*, Pennsylvania State University
    (1089-35-200)
  • 4:00 p.m.
    Recovering the water-wave profile from pressure measurements.
    Katie L Oliveras*, Seattle University
    Vishal Vasan, Penn State University
    (1089-76-165)
  • 4:30 p.m.
    On the Spectral Stability of Viscous Roll Waves.
    Mathew Johnson*, University of Kansas
    Pascal Noble, University of Lyon 1
    L. Miguel Rodrigues, University of Lyon 1
    Kevin Zumbrun, Indiana University
    (1089-35-224)
  • 5:00 p.m.
    Inverse problem: construction of KP soliton solutions from wave patterns.
    Sarbarish Chakravarty*, University of Colorado at Colorado Springs
    (1089-35-126)
• Sunday April 14, 2013, 3:00 p.m.-4:50 p.m.
  Special Session on Number Theory with a Focus on Diophantine Equations and Recurrence Sequences, IV
  Room 186, Eaton Humanities
  Organizers:
  Patrick Ingram, Colorado State University pingram@math.colostate.edu
  Katherine E. Stange, University of Colorado, Boulder
  

  • 3:00 p.m.
    Thue inequalities with few solutions.
    Shabnam Akhtari*, University of Oregon
    (1089-11-305)
  • 3:30 p.m.
    Ternary Quadratic Forms and Half-Integral Weight Modular Forms.
    Alia Hamieh*, The University of British Columbia
    (1089-11-194)
  • 4:00 p.m.
    The $a$-numbers of Jacobians of Suzuki Curves.
    Holley Friedlander, University of Massachusetts, Amherst
    Derek Garton, Northwestern University
    Beth Malmskog*, Colorado College
    Rachel Pries, Colorado State University
    Colin Weir, University of Calgary
    (1089-11-383)
  • 4:30 p.m.
    Extending Zagier's Theorem on Continued Fractions and Class Numbers.
    Mark Bauer, University of Calgary
    Richard Guy, University of Calgary
    Michael Wanless, University of Calgary
    Coiln Weir*, University of Calgary
    (1089-11-395)
• Sunday April 14, 2013, 3:00 p.m.-3:50 p.m.
  Special Session on Set Theory and Boolean Algebras, IV
  Room 177, Hellems Arts and Sciences
  Organizers:
  Natasha Dobrinen, University of Denver natasha.dobrinen@du.edu
  Don Monk, University of Colorado, Boulder
  

  • 3:00 p.m.
    Selective and Ramsey for ${\cal R}_{1}$ Ultrafilters and Their Dedekind Cuts.
    Timothy O Trujillo*, University of Denver
    (1089-03-397)
  • 3:30 p.m.
    An posible generalization of the Löb's theorem.
    Jaykov Foukzon*, Israel Institute of Technology, Haifa, Israel
    (1089-03-60)
• Sunday April 14, 2013, 3:00 p.m.-5:40 p.m.
  Special Session on Singular Spaces in Geometry, Topology, and Algebra, IV
  Room 145, Eaton Humanities
  Organizers:
  Greg Friedman, Texas Christian University greg.b.friedman@gmail.com
  Laurentiu Maxim, University of Wisconsin, Madison
  

  • 3:00 p.m.
    Multinets, parallel connections, and Milnor fibrations of arrangements.
    Graham Denham, Department of Mathematics, University of Western Ontario, London, ON N6A 5B7
    Alexander I. Suciu*, Department of Mathematics, Northeastern University, Boston, MA 02115
    (1089-32-131)
  • 4:00 p.m.
    Cohomology jump loci of local systems.
    Nero Budur*, University of Notre Dame
    (1089-14-75)
  • 5:00 p.m.
    Chen ranks of arrangement groups.
    Daniel C. Cohen*, Louisiana State University
    Henry K. Schenck, University of Illinois Urbana-Champaign
    (1089-20-288)
• Sunday April 14, 2013, 3:00 p.m.-6:50 p.m.
  Special Session on Themes in Applied Mathematics: From Data Analysis through Fluid Flows and Biology to Topology, IV
  Room 1B80, Eaton Humanities
  Organizers:
  Hanna Makaruk, Los Alamos National Laboratory
  Robert Owczarek, University of New Mexico, and Enfitek, Inc owczarek@hughes.net
  

  • 3:00 p.m.
    Application of computability theory to a problem in topology.
    Valentina Harizanov*, Geogre Washington Institution
    (1089-06-316)
  • 3:30 p.m.
    Application of computability theory to the study of quandles.
    Kai Maeda*, George Washington University
    (1089-03-257)
  • 4:00 p.m.
    Khovanov-type Homology and Homology of Small Categories.
    Jing Wang*, George Washington University
    (1089-55-298)
  • 4:30 p.m.
    Degenerate part of a rack homology satisfies Künneth formula, I: weak simplicial modules.
    Jozef H. Przytycki*, George Washington University and UG
    Krzysztof Putyra, Columbia University
    (1089-57-366)
  • 5:00 p.m.
    Degenerate part of distributive homology is determined by its normalized part.
    Krzysztof K Putyra*, Columbia University
    Jozef H Przytycki, George Washington University and Gdansk University
    (1089-55-385)
  • 5:30 p.m.
    Categorifications of the chromatic polynomial.
    Radmila Sazdanovic*, University of Pennsylvania
    Vladimir Baranovsky, UC Irivine
    (1089-05-308)
  • 6:00 p.m.
    Flat Stick Knots.
    Daniel J. Carrillo*, University of Illinois at Chicago
    Louis H. Kauffman, University of Illinois at Chicago
    (1089-57-164)
  • 6:30 p.m.
    Recent results in mathematical fluid mechanics.
    Robert Michal Owczarek*, Enfitek, Inc. and University of New Mexico
    (1089-76-407)

Inquiries: meet@ams.org

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