
AMS Sectional Meeting Program by Day
Current as of Saturday, March 14, 2015 03:30:12
Program ·
Deadlines ·
Registration/Housing/Etc.
Special Event or Lecture ·
Inquiries: meet@ams.org
Spring Eastern Sectional Meeting
Georgetown University, Washington, DC
March 78, 2015 (Saturday  Sunday)
Meeting #1107
Associate secretaries:
Steven H Weintraub, AMS shw2@lehigh.edu
Saturday March 7, 2015

Saturday March 7, 2015, 7:30 a.m.4:00 p.m.
Meeting Registration
Second Floor, Regents Hall

Saturday March 7, 2015, 8:00 a.m.4:00 p.m.
Exhibit and Book Sale
Second Floor, Regents Hall

Saturday March 7, 2015, 8:00 a.m.10:45 a.m.
Special Session on Asymptotic Problems for Stochastic Processes and PDEs, I
Room 120, Bunn, ICC (Intercultural Center) Organizers: Sandra Cerrai, University of Maryland Dmitry Dolgopyat, University of Maryland Mark Freidlin, University of Maryland Leonid Koralov, University of Maryland koralov@math.umd.edu

Saturday March 7, 2015, 8:00 a.m.10:50 a.m.
Special Session on Computable Structure Theory, I
Room 103, Healy Hall Organizers: Rumen Dimitrov, Western Illinois University Valentina Harizanov, George Washington University harizanv@gwu.edu Russell Miller, Queens College and Graduate Center, City University of New York

8:00 a.m.
Computing power of the ordered field of real numbers.
Gregory Igusa, University of Notre Dame
Julia F. Knight*, University of Notre Dame
Noah D. Schweber, UC Berkeley
(110703182)

8:30 a.m.
On Borel complexity and constants.
Michael C. Laskowski*, University of Maryland
(110703353)

9:00 a.m.
Scott sentences and index sets of some computable groups.
Karen Lange*, Wellesley College
Abigail Raz, Rutgers University
(110703257)

9:30 a.m.
An automorphism analysis for the $\Delta^0_2$ Turing degrees.
Mariya I Soskova*, Sofia University
Theodore A. Slaman, University of California, Berkeley
(110703156)

10:00 a.m.
Computable ordered abelian groups and generalized power series.
Reed Solomon*, University of Connecticut
(110703354)

10:30 a.m.
The complexity of primes in computable UFDs.
Damir D Dzhafarov*, University of Connecticut
Joseph R Mileti, Grinnell College
(110703413)

Saturday March 7, 2015, 8:00 a.m.10:50 a.m.
Special Session on Convexity and Combinatorics, I
Room 264, Reiss Hall Organizers: Jim Lawrence, George Mason University Valeriu Soltan, George Mason University vsoltan@gmu.edu

8:00 a.m.
A Mihalisin  Klee Theorem for Fans.
Rachel E Locke, Mathematical Sciences Department, George Mason University
Walter D Morris*, Mathematical Sciences Department, George Mason University
(11070588)

8:30 a.m.
Low Dimensional Neighbourly Simplicial Polytopes.
Wendy FinbowSingh*, Saint Mary's University
(110752451)

9:00 a.m.
A Generalization of the Secondary Polytope Induced by Lifting and Deleting.
Carl W. Lee*, University of Kentucky
Clifford Taylor, University of Kentucky
(110752438)

9:30 a.m.
Flip distances and Hamiltonian triangulations.
Csaba D. Toth*, California State University, Northridge
(110705338)

10:00 a.m.
Unimodality problems in Ehrhart theory.
Benjamin Braun*, University of Kentucky
(110705302)

10:30 a.m.
General permutahedra.
Geir Agnarsson*, George Mason University
(110705215)

Saturday March 7, 2015, 8:00 a.m.10:45 a.m.
Special Session on Data Assimilation: Recent Progress in Theory, Methods and Applications, I
Room 108, Bunn, ICC (Intercultural Center) Organizers: Evelyn M. Lunasin, United States Naval Academy lunasin@usna.edu Reza MalekMadani, United States Naval Academy

8:00 a.m.
A Bimodality Trap in Model Projections.
Christopher Jones*, University of North Carolina at Chapel Hill
Naratip Santitissadeekorn, University of Surrey
(110715300)

9:00 a.m.
A Local Method to Hybrid Data Assimilation.
Kayo Ide*, University of Maryland
(110760266)

10:00 a.m.
Ensemble filtering and lowresolution model error: Covariance inflation, stochastic parameterization, and model numerics.
Ian Grooms*, New York University, Courant Institute
Yoonsang Lee, New York University, Courant Institute
Andrew J Majda, New York University, Courant Institute
(110786249)

Saturday March 7, 2015, 8:00 a.m.10:50 a.m.
Special Session on Difference Equations and Applications, I
Room 101, Bunn, ICC (Intercultural Center) Organizers: Michael Radin, Rochester Institute of Technology marsma@rit.edu Steven J. Miller, Williams College

8:00 a.m.
From the Kentucky Sequence to Benford's Law through Zeckendorf Decompositions.
Steven Miller*, Williamstown
Minerva Catral, Xavier
Pari Ford, University of Nebraska at Kearney
Pamela Harris, USMA
Dawn Nelson, Saint Peters University
(110739140)

8:30 a.m.
This Fibonacci Quilt Sequence.
Pari L Ford*, University of Nebraska at Kearney
Minerva Catral, Xavier University
Pamela Harris, Unites States Military Academy
Steven J Miller, Williams College
Dawn Nelson, Saint Peter's University
(110739444)

9:00 a.m.
Global Stability and Periodic Solutions for a Second Order Rational Equation.
Nika Lazaryan*, Virginia Commonwealth University
Hassan Sedaghat, Virginia Commonwealth University
(110739243)

9:30 a.m.
Global Dynamics of Discrete Planar Systems that Model Stagestructured Populations.
H. Sedaghat*, Virginia Commonwealth University
N. Lazaryan, Virginia Commonwealth University
(110739128)

10:00 a.m.
Existence of bounded solutions for almost linear Volterra difference equations using fixed point theory and Lyapunov functionals.
Youssef Naim Raffoul*, University of Dayton
Ernest Yankson, University of Cape Coast, Ghana
(11073971)

10:30 a.m.
A generalized almost periodicity notion for functions on hybrid domains.
Murat Adivar*, Izmir University of Economics
(11073950)

Saturday March 7, 2015, 8:00 a.m.10:50 a.m.
Special Session on Geometric Structures on LowDimensional Manifolds and their Invariants, I
Room 206, WhiteGravenor Hall Organizers: Cagatay Kutluhan, University at Buffalo Thomas E. Mark, University of Virginia tmark@virginia.edu Bulent Tosun, University of Virginia

Saturday March 7, 2015, 8:00 a.m.10:50 a.m.
Special Session on Mathematical Fluid Dynamics and Turbulence, I
Room 106, Bunn, ICC (Intercultural Center) Organizers: Zachary Bradshaw, University of British Columbia zbradshaw@math.ubc.ca Aseel Farhat, Indiana University Michele Coti Zelati, University of Maryland

8:00 a.m.
Discussion

8:30 a.m.
Scaling vs. dynamics in the 3D NSE.
Zachary Bradshaw, Department of Mathematics, The University of British Columbia
Zoran Grujic*, Department of Mathematics, University of Virginia
(110776103)

9:00 a.m.
Enstrophy Cascade in Physical Scales for the 3D NavierStokes Equations.
Keith Leitmeyer*, University of Virginia
(110735168)

9:30 a.m.
Lower Bounds for Sobolev Norms of Potential Blow Up Solutions to the Threedimensional NavierStokes Equations.
Alexey Cheskidov, University of Illinois at Chicago
Karen Zaya*, University of Illinois at Chicago
(110735247)

10:00 a.m.
Ergodicity results for stochastic Boussinesq equations.
Juraj Foldes, Universite Libre de Bruxelles
Nathan GlattHoltz, Virginia Polytechnic Institute and State University
Geordie Richards*, University of Rochester
Enrique Thomann, Oregon State University
(110735418)

10:30 a.m.
Onsager's Conjecture.
Tristan Buckmaster*, Courant Institute, New York University
(110735262)

Saturday March 7, 2015, 8:00 a.m.10:50 a.m.
Special Session on Operator Theory on Analytic Function Spaces, I
Room 103, Reiss Hall Organizers: Robert F. Allen, University of Wisconsin, La Cross Flavia Colonna, George Mason University fcolonna@gmu.edu

8:00 a.m.
Extremal Problems in Bergman spaces.
Pritha Chakraborty*, Texas Tech University
Alexander Yu. Solynin, Texas Tech University
(11073014)

8:30 a.m.
Hyperbolic distortion, finite Blaschke products and uniform local univalence.
Nina Zorboska*, University of Manitoba
(110747399)

9:00 a.m.
Closed range composition operators on Hilbert function spaces.
Pratibha Ghatage, Cleveland State University
Maria Tjani*, University of Arkansas
(110747211)

9:30 a.m.
Adjoints of linear fractional composition operators on weighted Hardy spaces.
Zeljko Cuckovic, University of Toledo, Toledo, OH
Trieu Le*, University of Toledo, Toledo, OH
(110747187)

10:00 a.m.
Eigenvalues of Adjoints of Certain Composition Operators on the Hardy Space.
Maria Neophytou*, Belmont University
(110747316)

10:30 a.m.
Spectra of Composition Operators with Symbols in $\mathcal{S}(2)$.
Paul S. Bourdon*, University of Virginia
(110747357)

Saturday March 7, 2015, 8:00 a.m.10:50 a.m.
Special Session on Optimization Theory, Algorithms and Applications, I
Room 262, Reiss Hall Organizers: Olga Brezhneva, Miami University, Oxford, OH Igor Griva, George Mason University igriva@gmu.edu

8:00 a.m.
Common fixed points of three contractivelike operators by a threestep iterative algorithm.
Safeer Hussain Khan*, Department of Mathematics, Statistics and Physics, Qatar University, Doha 2713, State of Qatar.
Fukhar uddin Hafiz, Department of Mathematics and Statistics, King Fahd University of Petroleum and Minerals, Dhahran 31261, Saudi Arabia
(1107476)

8:30 a.m.
Techniques for Gomory and Johnson's "Infinite Group" Problem.
Amitabh Basu*, Johns Hopkins University
Robert Hildebrand, ETH Zurich
Matthias Koeppe, University of California, Davis
(110790229)

9:00 a.m.
Dynamic Optimization on InfiniteDimensional Manifolds.
Yuri Ledyaev*, Department of Mathematics, Western Michigan University
Robert Kipka, Department of Mathematics and Statistics, Queens University
(110749495)

9:30 a.m.
Practical Challenges in Using Multilevel Optimization.
Stephen G Nash*, George Mason University
(110790189)

10:00 a.m.
Optimal control of Magnetic Nanoparticles.
Harbir Antil, Department of Mathematical Sciences, George Mason University
Ricardo Nochetto, Department of Mathematics and Institute for Physical Science and Technology, University of Maryland College Park
Pablo Venegas*, Department of Mathematics, University of Maryland College Park, MD 20742, USA
(11074992)

10:30 a.m.
Optimality conditions for irregular nonlinear programming problems.
Olga Brezhneva*, Miami University
Alexey Tret'yakov, University of Podlasie in Siedlce, Poland
(110790341)

Saturday March 7, 2015, 8:00 a.m.10:50 a.m.
Special Session on Quantum Algebras, Representations, and Categorifications, I
Room 211, WhiteGravenor Hall Organizers: Sean Clark, University of Virginia sic5ag@virginia.edu Weiqiang Wang, University of Virginia

8:00 a.m.
KirillovReshetikhin modules, Macdonald polynomials, and categorification.
Cristian Lenart*, State University of New York at Albany
Satoshi Naito, Tokyo Institute of Technology, Japan
Daisuke Sagaki, University of Tsukuba, Japan
Anne Schilling, University of California Davis
Mark Shimozono, Virginia Polytechnic Institute
(110717479)

8:30 a.m.
Yangians, quantum loop algebras and elliptic quantum groups.
Valerio Toledano Laredo*, Northeastern University
(110717477)

9:00 a.m.
A diagrammatic categorification of quantum sl(1,1) via contact topology.
Yin Tian*, Simons center for geometry and physics, State University of New York at Stony Brook
(110718208)

9:30 a.m.
Braid group actions and Heisenberg categorification.
Joshua Sussan*, CUNY
(110716396)

10:00 a.m.
A New Year Resolution.
You Qi*, Yale University
(110716278)

10:30 a.m.
Uniqueness (or lack thereof) for categorical modules.
Ben Webster*, University of Virginia
(110718195)

Saturday March 7, 2015, 8:00 a.m.10:50 a.m.
Special Session on Somos Sequences and Nonlinear Recurrences, I
Room 105, Bunn, ICC (Intercultural Center) Organizers: Andrew Vogt, Georgetown University vogta@georgetown.edu

Saturday March 7, 2015, 8:00 a.m.10:45 a.m.
Special Session on Topology in Biology, I
Room 204, WhiteGravenor Hall Organizers: Paul Kainen, Georgetown University kainen@georgetown.edu

Saturday March 7, 2015, 8:00 a.m.10:55 a.m.
Session on Session for Contributed Papers, I
Room 209, Regents Hall

8:30 a.m.
Ultraproducts of Computable Structures and Diagonailization: Skolem's Legacy.
K J Mourad*, Georgetown University
(11070332)

8:45 a.m.
A generalized graph metric for mitigating cyber attacks.
Emilie Hogan*, Pacific Northwest National Laboratory
John R Johnson, Pacific Northwest National Laboratory
(11076828)

9:00 a.m.
Strong Matching Preclusion of Burnt Pancake Graphs.
Eddie Cheng, Oakland University
Justin Kelm, Oakland University
Roi Orzach*, Oakland University
Brian Xu, Massachusetts Institute of Technology
(11070552)

9:15 a.m.
FaultTolerant Hamiltonian Connectivity of 2Tree Generated Networks.
Mohamad Abdallah*, Oakland University
Eddie Cheng, Oakland University
(110705232)

9:30 a.m.
Selfdual embeddings of $K_{4m,4n}$ in pseudosurfaces.
Steven Schluchter*, George Mason University
Justin Z Schroeder, George Mason University
(110705398)

9:45 a.m.
Relationship between the energy of a directed graph and the energy of its underlying graph.
Nafiseh Jahanbakht*, University of Central Oklahoma
Kourosh Tavakoli, Oklahoma City University
(110705496)

10:00 a.m.
$M$sequences, the Fibonacci sequence, and integer partitions.
Tom Enkosky*, U.S. Coast Guard Academy
Branden Stone, Adelphi University
(110705410)

10:15 a.m.
Efficient Covering Systems of Congruences and Perfect Powers Riesel Numbers.
William Kang*, Bergen County Academies, Hackensack, NJ 07601
(110711148)

10:30 a.m.
Gaussian Behavior of Generalized Zeckendorf Decompositions over Small Scales.
Patrick Joseph Dynes*, Clemson University
Brian J McDonald, University of Rochester
Kimsy Tor, Manhattan College
(110711481)

10:45 a.m.
New Summation Series Form Presenting Mathematical Permutations and Combinations for Powerful Parallel Computing.
Mohamed Hanafy Sayed Radwan*, Mentor Graphics Corporation, Cairo Site, Egypt
(11070516)

Saturday March 7, 2015, 8:00 a.m.10:55 a.m.
Session on Session for Contributed Papers, II
Room 284, Reiss Hall

8:30 a.m.
Using Utility Theory for Academic Grouping of Students.
Sarah E. Geiger*, Indiana University of Pennsylvania
Eric T. MacCallum, Indiana University of Pennsylvania
Gayan Warahena Liyanage, Indiana University of Pennsylvania
Suzanne Z. Smedberg, Indiana University of Pennsylvania
(110790391)

8:45 a.m.
Teaching in College without Calculator.
Mulugeta Markos*, Atlanta Metropolitan State College
(110797102)

9:00 a.m.
The zeros of linear recurring sequences over finite fields.
Yasanthi Kottegoda*, University of New Haven
(110712165)

9:15 a.m.
Matrix Algebras: Equivalent Ring Relations and Special Presentations.
Samuel Mendelson*, George Mason University
Geir Agnarsson, George Mason University
(110716382)

9:30 a.m.
A DaniellStone characterization for Aumann integrals.
Cagin Ararat*, Princeton University
Birgit Rudloff, Princeton University
(11072829)

9:45 a.m.
Variable Exponent Bergman Spaces.
Gerardo R Chacon*, Gallaudet University
(110730368)

10:00 a.m.
On Properties of ConformalLike Metrics.
Kourosh Tavakoli*, Oklahoma City University
(110730493)

10:15 a.m.
Construction of Duality between Boolean Rings and Relatively Complemented Distributive Lattices with least elements.
Seblework Molalign Alefe*, Dilla
Meron Dessalegn Abate, Dilla
(110700145)

10:30 a.m.
Construction of the Duality between Boolean Rings and locally compact totally disconnected topological spaces with compact open bases.
Meron Dessalegn Abate*, Dilla
Seblework Molalign Abebe, Dilla
(110700146)

10:45 a.m.
Cubic Spline interpolation with some of its Applications.
Wondwosen Gebeyaw Melesse*, Dilla University
(110765150)

Saturday March 7, 2015, 8:30 a.m.10:50 a.m.
Special Session on Algebra and Representation Theory, I
Room 201A, WhiteGravenor Hall Organizers: Ela Celikbas, University of Connecticut Olgur Celikbas, University of Connecticut Frank Moore, Wake Forest University moorewf@wfu.edu

8:30 a.m.
Gorenstein projectives and Gorenstein flats.
Greg Piepmeyer*, Columbia Basin College
(110713287)

9:00 a.m.
Nilpotent matrices having a given Jordan type as maximum commuting nilpotent orbit.
Anthony Iarrobino, Northeastern University
Leila Khatami*, Union College
Bart Van Steirteghem, Medgar Evers College
Rui Zhao, University of Missouri, Columbia
(110715110)

9:30 a.m.
Some Algebras Similar to the $2\times 2$ Jordanian Matrix Algebra.
Jason Gaddis*, Wake Forest University
Kenneth L. Price, University of Wisconsin Oshkosh
(110716389)

10:00 a.m.
Betti categories.
A. Tchernev*, University at Albany, SUNY
M. Varisco, University at Albany, SUNY
(110713434)

10:30 a.m.
MacaulayLex Rings and the Hilbert Functions of Colored Quotient Rings.
Kai Fong Ernest Chong*, Cornell University
(110713242)

Saturday March 7, 2015, 8:30 a.m.10:50 a.m.
Special Session on Algebraic Structures Motivated by and Applied to Knot Theory, I
Room 202, WhiteGravenor Hall Organizers: Jozef H. Przytycki, George Washington University przytyck@gwu.edu Radmilla Sazdanovic, North Carolina State University Alexander N. Shumakovitch, George Washington University Hao Wu, George Washington University

Saturday March 7, 2015, 8:30 a.m.10:45 a.m.
Special Session on Bases and Frames in Hilbert Spaces and Applications, I
Room 117, Bunn, ICC (Intercultural Center) Organizers: Laura De Carli, Florida International University decarlil@fiu.edu

Saturday March 7, 2015, 8:30 a.m.10:50 a.m.
Special Session on Closure Operations in Commutative Algebra, I
Room 208, WhiteGravenor Hall Organizers: Neil Epstein, George Mason University nepstei2@gmu.edu Lance Edward Miller, University of Arkansas

Saturday March 7, 2015, 8:30 a.m.10:45 a.m.
Special Session on Iterated Integrals and Applications, I
Room 281, Reiss Hall Organizers: Ivan Horozov, Washington University in St. Louis horozov@math.wustl.edu

Saturday March 7, 2015, 8:30 a.m.10:50 a.m.
Special Session on Nonlinear Dispersive and Wave Equations with Applications to Fluids, I
Room 102, Bunn, ICC (Intercultural Center) Organizers: Pierre Germain, New York University Zaher Hani, New York University hani@cims.nyu.edu Benoit Pausader, Princeton University

Saturday March 7, 2015, 8:30 a.m.10:50 a.m.
Special Session on Nonlinear Partial Differential Equations in Sciences and Engineering, I
Room 104, Bunn, ICC (Intercultural Center) Organizers: Lorena Bociu, North Carolina State University lvbociu@ncsu.edu Ciprian Gal, Florida International University Daniel Toundykov, University of Nebraska

8:30 a.m.
Averaging of a multilayer quasigeostrophic equations with oscillating external forces.
Theodore Tachim Medjo*, Florida International University
(110735402)

9:00 a.m.
Panel flutter: Asymptoticintime regularity or uniformintime Hadamard continuity.
Justin T Webster*, North Carolina State University; College of Charleston
Irena Lasiecka, University of Memphis
(110735109)

9:30 a.m.
Global Wellposedness and Uniform Stability of a Quasilinear Thermoelastic PDE system.
Xiang Wan*, Ph.D student, Department of Mathematics, University of Virginia
Irena Lasiecka, Distinguished University Professor and Chair, Department of Mathematical Sciences, University of Memphis
(110735228)

10:00 a.m.
Attractors for Damped Semilinear Wave Equations with a RobinAcoustic Boundary Perturbation.
Sergio P. Frigeri, Weierstrass Institute for Applied Analysis and Stochastics
Joseph L. Shomberg*, Providence College
(110735119)

10:30 a.m.
The decay study of MooreGibsonThompson(MGT) equation with memory.
Irena Lasiecka, University of Memphis
Xiaojun Wang*, University of Memphis
(110735365)

Saturday March 7, 2015, 8:30 a.m.10:50 a.m.
Special Session on Number Theory in Ergodic Theory and Dynamical Systems, I
Room 103, Bunn, ICC (Intercultural Center) Organizers: Joe Herning, Northern Virginia Community College Erblin Mehmetaj, George Washington University and Georgetown University erblinm@gwmail.gwu.edu E. Arthur Robinson Jr., George Washington University Tyler White, Northern Virginia Community College

8:30 a.m.
A Minimal Subsystem of the Kari Culik Tilings.
Jason Siefken*, University of Victoria
(110700256)

9:00 a.m.
Strong shift equivalence and algebraic Ktheory.
Scott Schmieding*, University of Maryland
Mike Boyle, University of Maryland
(110737400)

9:30 a.m.
Group extensions for shifts of finite type: Ktheory, Parry and Livsic.
Mike Boyle*, University of Maryland
Scott Schmieding, University of Maryland
(110737478)

10:00 a.m.
Dynamical Classification of Primitive Constant Length Substitutions.
Michael Sylvester Keane*, Wesleyan University, Delft University of Technology, Leiden University
(110737154)

10:30 a.m.
Sequences with long range exclusions.
Kari V Eloranta*, Department of Mathematics, Aalto University, Finland
(110737206)

Saturday March 7, 2015, 8:30 a.m.10:50 a.m.
Special Session on Patterns in Permutations and Words, I
Room 283, Reiss Hall Organizers: Alexander Burstein, Howard University aburstein@howard.edu

8:30 a.m.
Wilfclassification for vincular patterns.
Andrew M Baxter*, Pennsylvania State University
(110705143)

9:00 a.m.
On two recent conjectures involving permutation patterns and statistics.
Jonathan Bloom*, Rutgers University
(110705250)

9:30 a.m.
Depth for signed permutations.
Alexander Woo*, University of Idaho
(110705340)

10:00 a.m.
Equivalence of Words in the Generalized Factor Order.
Brian Miceli, Trinity University
Jay Pantone*, University of Florida
Vincent Vatter, University of Florida
(110705449)

10:30 a.m.
Patterns in Young tableaux of rectangular shape.
Jefffrey Remmel B. Remmel*, Department of Mathematics, University of California, San Diego
Ran Pan, Department of Mathematics, University of California, San Diego
(110705366)

Saturday March 7, 2015, 8:30 a.m.10:50 a.m.
Special Session on Qualitative Behavior of Solutions of Partial Differential Equations, I
Room 116, Bunn, ICC (Intercultural Center) Organizers: Junping Shi, College of William and Mary Jiuyi Zhu, John Hopkins University jzhu43@math.jhu.edu

8:30 a.m.
Long time existence for magnetic nonlinear Schrödinger equations.
Shijun Zheng*, Georgia Southern University
(110735319)

9:00 a.m.
Onedimensional symmetry for some nonlinear problems on the torus.
Marcello Lucia*, College of Staten Island
(110735344)

9:30 a.m.
Sharp singular TrudingerMoser inequality with exact growth and its extremals..
Nguyen Lam, Department of Mathematics, University of Pittsburgh
Guozhen Lu, Department of Mathematics, Wayne State University
Lu Zhang*, Department of Mathematics, Wayne State University
(110735322)

10:00 a.m.
The impact of the domain boundary on an inhibitory system: existence and location of a half disc stationary set.
Xiaofeng Ren*, George Washington University
David Shoup, George Washington University
(11078294)

10:30 a.m.
Elliptic Systems of Schrödinger type with quadratic nonlinearities.
Leiga Zhao, Beijing University of Chemical Technology
Fukun Zhao, Yunnan Normal University
Junping Shi*, College of William and Mary
(110735352)

Saturday March 7, 2015, 8:30 a.m.10:50 a.m.
Special Session on WithinHost Disease Modeling, I
Room 109, Regents Hall Organizers: Stanca Ciupe, Virginia Polytechnic Institute Sivan Leviyang, Georgetown University sr286@georgetown.edu

8:30 a.m.
Statistical and computational approaches to microbiome analyses.
Keith A Crandall*, George Washington University
(110792138)

9:00 a.m.
Viral evolution in heterogeneous host environments.
Alison L Hill*, Program for Evolutionary Dynamics, Harvard University, Cambridge, MA
Stefany MorenoGamez, Centre for Ecological and Evolutionary Studies, University of Groningen, Groningen, 9747 AG, Netherlands
Daniel IS Rosenbloom, Department of Biomedical Informatics, Columbia University Medical Center, New York, NY 10032, USA
Mark Freeman, Program for Evolutionary Dynamics, Harvard University, Cambridge, MA
Pleuni Pennings, Department of Biology, San Francisco State University, San Francisco, CA 94132, USA
Martin A Nowak, Program for Evolutionary Dynamics, Department of Mathematics, Harvard University, Cambridge, MA
(110792225)

9:30 a.m.
Computational modeling of mechanisms underlying immune responses to Helicobacter pylori.
Raquel Hontecillas, Nutritional Immunology & Molecular Medicine Lab, Virginia Bioinformatics Institute, Virginia Tech, Blacksburg, VA 24060
Monica Viladomiu, Nutritional Immunology & Molecular Medicine Lab, Virginia Bioinformatics Institute, Virginia Tech, Blacksburg, VA 24060
Vida Abedi, Nutritional Immunology & Molecular Medicine Lab, Virginia Bioinformatics Institute, Virginia Tech, Blacksburg, VA 24060
Casandra Philipson, Nutritional Immunology & Molecular Medicine Lab, Virginia Bioinformatics Institute, Virginia Tech, Blacksburg, VA 24060
Stefan Hoops, Nutritional Immunology & Molecular Medicine Lab, Virginia Bioinformatics Institute, Virginia Tech, Blacksburg, VA 24060
Josep BassaganyaRiera*, Nutritional Immunology & Molecular Medicine Lab, Virginia Bioinformatics Institute, Virginia Tech, Blacksburg, VA 24060
(110734472)

10:00 a.m.
Simple mathematical models do not accurately predict early SIV dynamics.
Cecilia Noecker, University of Washington
Krista Schaefer, Valparaiso University
Kelly Zaccheo, University of Scranton
Yiding Yang, University of Tennessee
Judy Day, University of Tennessee
Vitaly V Ganusov*, University of Tennessee
(11079270)

10:30 a.m.
The regulatory effect of microRNAs on the DNA mismatch repair pathway.
Claus T Kadelka*, Virginia Bioinformatics Institute & Department of Mathematics, Virginia Tech
Seda Arat, Virginia Bioinformatics Institute & Department of Mathematics, Virginia Tech
Ross Donatelli, Florida Institute of Technology
Marschall Furman, North Carolina State University
Madeleine Weinstein, Harvey Mudd College
Chris Heinen, University of Connecticut Health Center
Reinhard Laubenbacher, University of Connecticut Health Center
(110792430)

Saturday March 7, 2015, 9:00 a.m.10:50 a.m.
Special Session on Dynamical Systems Models of Physiological Processes, I
Room 104, Healy Hall Organizers: Paula Grajdeanu, Shenandoah University pgrajdea@su.edu Talitha Washington, Howard University AbdulAziz Yakubu, Howard University

9:00 a.m.
Understanding Lamprey Locomotion.
Kathleen A Hoffman*, UMBC
Nicole Massarelli, UMBC
Christina Hamlet, Tulane University
Eric Tytell, Tufts University
Tim Kiemel, UMCP
(110737373)

9:30 a.m.
Malaria Incidence and Anopheles Mosquito Density in Irrigated and Adjacent NonIrrigated Villages of Niono in Mali.
Moussa Doumbia*, Howard University
(11073776)

10:00 a.m.
Initiation of intracellular calcium spiral waves in a stochastic firediffusefire model.
Zana A Coulibaly*, University of Maryland, Baltimore County
Matthias K Gobbert, University of Maryland, Baltimore County
Bradford E Peercy, University of Maryland, Baltimore County
(110792471)

10:30 a.m.
An Examination of Social Migration within a Cholera Outbreak.
Evelyn Kamaria Thomas*, UMBC
Jonathan Bell, UMBC
(110737465)

Saturday March 7, 2015, 9:00 a.m.10:50 a.m.
Special Session on History and Philosophy of Mathematics, I
Room 239, Regents Hall Organizers: V. Frederick Rickey, West Point Military Academy James J. Tattersall, Providence College TAT@providence.edu

Saturday March 7, 2015, 9:00 a.m.10:45 a.m.
Special Session on Inverse Problems for Nondestructive Testing, I
Room 115, Bunn, ICC (Intercultural Center) Organizers: Nicolas Valdivia, Naval Research Laboratory nicolas.valdivia@nrl.navy.mil

Saturday March 7, 2015, 9:00 a.m.10:45 a.m.
Special Session on Singularities: Algebraic and Analytic Aspects, I
Room 213, WhiteGravenor Hall Organizers: Claudia Miller, Syracuse University Sophia Vassiliadou, Georgetown University sv46@georgetown.edu

Saturday March 7, 2015, 9:00 a.m.10:50 a.m.
Special Session on Stochastic Analysis and Stochastic PDEs, I
Room 118, Bunn, ICC (Intercultural Center) Organizers: Sandra Cerrai, University of Maryland cerrai@math.umd.edu Frederi Viens, Purdue University

9:00 a.m.
Inviscid limits for a stochastically forced shell model of turbulent flow.
Susan Friedlander, USC
Nathan GlattHoltz, Virginia Tech
Vlad Vicol*, Princeton University
(110735296)

9:30 a.m.
Homogenization of the stochastic NavierStokes equation in perforated domains.
Hakima Bessaih*, University of Wyoming, Department of Mathematics.
Florian Maris, King Abdullah University of Science and Technology,CEMSE Division
Yalchin Efendiev, Texas A&M
(110760310)

10:00 a.m.
Sequential Monte Carlo with Parameter Learning for LongMemory Processes.
Alexandra Chronopoulou*, University of Illinois at UrbanaChampaign
(110760466)

10:30 a.m.
Pattern formation in the stochastic SwiftHohenberg equation with delay.
Chia Ying Lee*, University of British Columbia
Rachel Kuske, University of British Columbia
Vivi Rottschafer, Leiden University
(11076053)

Saturday March 7, 2015, 11:05 a.m.11:55 a.m.
Invited Address
TALK CANCELLED
Lohrfink Auditorium, Hariri Hall
Yitang Zhang*, University of New Hampshire

Saturday March 7, 2015, 2:00 p.m.4:50 p.m.
Special Session on Algebra and Representation Theory, II
Room 201A, WhiteGravenor Hall Organizers: Ela Celikbas, University of Connecticut Olgur Celikbas, University of Connecticut Frank Moore, Wake Forest University moorewf@wfu.edu

2:00 p.m.
The More I Think of Hilbert...
David A. Buchsbaum*, Department of Mathematics, Brandeis University
(11071346)

2:30 p.m.
Examples of rings that do not have any nonfree totally reflexive modules.
Adela Vraciu*, University of South Carolina
(110713241)

3:00 p.m.
The Generalized AuslanderReiten Condition for $n$Symmetric Algebras.
Maciej Karpicz, Nicolaus Copernicus University
Marju Purin*, St. Olaf College
(110716205)

3:30 p.m.
Almost Gorenstein rings of higher dimension.
Naoki Taniguchi*, Meiji University
(110713149)

4:00 p.m.
Decomposing Gorenstein rings as connected sums.
H Ananthnarayan*, Indian Institute of Technology, Bombay
Ela Celikbas, University of Connecticut
Zheng Yang, University of Nebraska, Lincoln
(110713429)

4:30 p.m.
A Description of the Isomorphism Classes of Totally Reflexive Modules for a Class of nonGorenstein Rings.
Denise A. Rangel Tracy*, Syracuse University
(110713132)

Saturday March 7, 2015, 2:00 p.m.4:20 p.m.
Special Session on Algebraic Structures Motivated by and Applied to Knot Theory, II
Room 202, WhiteGravenor Hall Organizers: Jozef H. Przytycki, George Washington University przytyck@gwu.edu Radmilla Sazdanovic, North Carolina State University Alexander N. Shumakovitch, George Washington University Hao Wu, George Washington University

Saturday March 7, 2015, 2:00 p.m.3:45 p.m.
Special Session on Asymptotic Problems for Stochastic Processes and PDEs, II
Room 120, Bunn, ICC (Intercultural Center) Organizers: Sandra Cerrai, University of Maryland Dmitry Dolgopyat, University of Maryland Mark Freidlin, University of Maryland Leonid Koralov, University of Maryland koralov@math.umd.edu

Saturday March 7, 2015, 2:00 p.m.4:20 p.m.
Special Session on Bases and Frames in Hilbert Spaces and Applications, II
Room 117, Bunn, ICC (Intercultural Center) Organizers: Laura De Carli, Florida International University decarlil@fiu.edu

2:00 p.m.
Haar Basis in Spaces of Homogeneous Type.
David E Weirich*, University of New Mexico
(110743454)

2:30 p.m.
Dynamical sampling with a constant forcing term.
Akram Aldroubi, Vanderbilt University
Keri Kornelson*, University of Oklahoma
(110742309)

3:00 p.m.
Bases and frames from iterates of operators.
Akram Aldroubi*, Vanderbilt University
(110747170)

3:30 p.m.
Structures of minimal scalings in $R^n$.
Yeonhyang Kim*, Central Michigan University
Rachel Domagalski, Central Michigan University
Sivaram K. Narayan, Central Michigan University
Hong Suh, Pomona College
Xingyu Zhang, Penn State
(110715235)

4:00 p.m.
Scalability of a multiWilson frame.
Roza Aceska*, Ball State University
(11074272)

Saturday March 7, 2015, 2:00 p.m.3:50 p.m.
Special Session on Characterizing Uncertainty for Modeling Physical Processes, I
Room 284, Reiss Hall Organizers: Ali Arab, Georgetown University ali.arab@georgetown.edu

Saturday March 7, 2015, 2:00 p.m.4:20 p.m.
Special Session on Closure Operations in Commutative Algebra, II
Room 208, WhiteGravenor Hall Organizers: Neil Epstein, George Mason University nepstei2@gmu.edu Lance Edward Miller, University of Arkansas

2:00 p.m.
Test ideals in rings with finitely generated anticanonical algebras.
Alberto Chiecchio, University of Arkansas
Florian Enescu, Georgia State University
Lance E Miller, University of Arkansas
Karl Schwede*, University of Utah
(110713273)

2:30 p.m.
Multiplicities and Łojasiewicz exponents of generic linear sections of ideals.
Carles BiviàAusina*, Universitat Politècnica de València
(110713188)

3:00 p.m.
A real nullstellensatz with multiplicity.
James F. McEnerney*, Lawrence Livermore National Laboratory
(11071468)

3:30 p.m.
Conjectures on Symbolic Powers.
Louiza Fouli*, New Mexico State University
Paolo Mantero, University of California, Riverside
Yu Xie, Penn State Altoona
(110713442)

4:00 p.m.
Ringed space structures on spaces of valuation rings.
Bruce Olberding*, New Mexico State University
(110713419)

Saturday March 7, 2015, 2:00 p.m.4:20 p.m.
Special Session on Computable Structure Theory, II
Room 103, Healy Hall Organizers: Rumen Dimitrov, Western Illinois University Valentina Harizanov, George Washington University harizanv@gwu.edu Russell Miller, Queens College and Graduate Center, City University of New York

2:00 p.m.
Definability and index sets of computable models.
Sergey S. Goncharov*, Sobolev Institute of Mathematics and Novosibirsk State University
(110703151)

3:00 p.m.
Isomorphism notions restricted to particular classes of structures.
Barbara Csima*, University of Waterloo
Keng Meng (Selwyn) Ng, Nanyang Technological University
(110703409)

3:30 p.m.
Computable functors and effective interpretability.
Matthew HarrisonTrainor*, University of California, Berkeley
Alexander Melnikov, University of California, Berkeley
Russell Miller, Queens College  City University of New York
Antonio Montalbán, University of California, Berkeley
(110703371)

4:00 p.m.
Spaces of orderings of computable groups.
Jennifer C Chubb*, University of San Francisco
(110703326)

Saturday March 7, 2015, 2:00 p.m.4:20 p.m.
Special Session on Conceptual Mathematical Models in Climate Science, I
Room 209, Regents Hall Organizers: Hans Engler, Georgetown University engler@georgetown.edu Hans Kaper, Georgetown University

2:00 p.m.
Introduction to Conceptual Mathematical Climate Models.
Hans G Kaper*, Georgetown University, Washington, DC 20057, USA
Hans P Engler, Georgetown University, Washington, DC 20057
(110786394)

2:30 p.m.
New Budykotype models of a slushball Earth.
James Walsh*, Oberlin College
Christopher Rackauckas, University of CaliforniaIrvine
(110734142)

3:00 p.m.
The Temperature Dependence of Feedbacks and Equilibrium Climate Sensitivity.
Jonah BlochJohnson*, University of Chicago
Raymond T Pierrehumbert, University of Chicago
(110786423)

3:30 p.m.
Smooth and Nonsmooth Bifurcation Structures in an Ocean Convection Model.
Juliann Leifeld*, University of Minnesota
(110734483)

4:00 p.m.
The Lorenz '96 Model with Spatial Inhomogeneities.
Hans P Engler, Georgetown University, Washington DC 20057
John Kerin*, Georgetown University, Washington DC 20057
(110786456)

Saturday March 7, 2015, 2:00 p.m.4:20 p.m.
Special Session on Convexity and Combinatorics, II
Room 264, Reiss Hall Organizers: Jim Lawrence, George Mason University Valeriu Soltan, George Mason University vsoltan@gmu.edu

Saturday March 7, 2015, 2:00 p.m.3:45 p.m.
Special Session on Data Assimilation: Recent Progress in Theory, Methods and Applications, II
Room 108, Bunn, ICC (Intercultural Center) Organizers: Evelyn M. Lunasin, United States Naval Academy lunasin@usna.edu Reza MalekMadani, United States Naval Academy

Saturday March 7, 2015, 2:00 p.m.4:20 p.m.
Special Session on Difference Equations and Applications, II
Room 101, Bunn, ICC (Intercultural Center) Organizers: Michael Radin, Rochester Institute of Technology marsma@rit.edu Steven J. Miller, Williams College

Saturday March 7, 2015, 2:00 p.m.4:20 p.m.
Special Session on Dynamical Systems Models of Physiological Processes, II
Room 104, Healy Hall Organizers: Paula Grajdeanu, Shenandoah University pgrajdea@su.edu Talitha Washington, Howard University AbdulAziz Yakubu, Howard University

2:00 p.m.
Predatorpreyshared resource model in tumorimmune interactions.
Irina Kareva, Boston MS
Faina Berezovskaya*, Mathematics Department Howard University Washington DC 20059
(110792467)

2:30 p.m.
A stochastic model of the melanopsin phototransduction cascade.
Kathleen A. Hoffman, Department of Mathematics and Statistics/University of Maryland, Baltimore County
HyeWon Kang*, Department of Mathematics and Statistics/University of Maryland, Baltimore County
Phyllis R. Robinson, Department of Biology/University of Maryland, Baltimore County
(110792180)

3:00 p.m.
Immune Response to Infection by Leishmania: A Mathematical Model.
Nourridine Siewe*, Howard University
AbdulAziz Yakubu, Howard University
Abhay R Satoskar, Ohio State University
Avner Friedman, Ohio State University
(110734127)

3:30 p.m.
Mathematical Model of Classically and Alternatively Activated Macrophage Cells.
Meagan Herald*, Virginia Military Institute
(110792161)

4:00 p.m.
Intermittent Preventive Treatment (IPT) and the spread of drug resistant malaria.
Miranda TebohEwungkem, Lehigh University
Olivia Prosper, Dartmouth College
Katharine Gurski*, Howard University
Carrie Manore, Tulane University
Angela Peace, National Institute for Mathematical and Biological Synthesis
Zhilan Feng, Purdue University
(110792135)

Saturday March 7, 2015, 2:00 p.m.4:20 p.m.
Special Session on Geometric Structures on LowDimensional Manifolds and their Invariants, II
Room 206, WhiteGravenor Hall Organizers: Cagatay Kutluhan, University at Buffalo Thomas E. Mark, University of Virginia tmark@virginia.edu Bulent Tosun, University of Virginia

Saturday March 7, 2015, 2:00 p.m.3:50 p.m.
Special Session on History and Philosophy of Mathematics, II
Room 239, Regents Hall Organizers: V. Frederick Rickey, West Point Military Academy James J. Tattersall, Providence College TAT@providence.edu

Saturday March 7, 2015, 2:00 p.m.4:15 p.m.
Special Session on Inverse Problems for Nondestructive Testing, II
Room 115, Bunn, ICC (Intercultural Center) Organizers: Nicolas Valdivia, Naval Research Laboratory nicolas.valdivia@nrl.navy.mil

2:00 p.m.
The Factorization Method for a Defective Region in an Anisotropic Material.
Isaac Harris*, Department of Mathematical Sciences, University of Delaware
Fioralba Cakoni, Department of Mathematical Sciences, University of Delaware
(11073515)

2:30 p.m.
Globally convergent numerical methods for coefficient inverse problems with experimental data.
Michael Victor Klibanov*, Department of Mathematics and Statistics, University of North Carolina at Charlotte
(11073412)

3:30 p.m.
Increasing stability in inverse scattering and inverse source problems.
Victor Isakov*, Wichita State University, Wichita, KS, USA
(110735362)

Saturday March 7, 2015, 2:00 p.m.4:15 p.m.
Special Session on Iterated Integrals and Applications, II
Room 281, Reiss Hall Organizers: Ivan Horozov, Washington University in St. Louis horozov@math.wustl.edu

Saturday March 7, 2015, 2:00 p.m.4:20 p.m.
Special Session on Mathematical Fluid Dynamics and Turbulence, II
Room 106, Bunn, ICC (Intercultural Center) Organizers: Zachary Bradshaw, University of British Columbia zbradshaw@math.ubc.ca Aseel Farhat, Indiana University Michele Coti Zelati, University of Maryland

Saturday March 7, 2015, 2:00 p.m.4:20 p.m.
Special Session on Nonlinear Dispersive and Wave Equations with Applications to Fluids, II
Room 102, Bunn, ICC (Intercultural Center) Organizers: Pierre Germain, New York University Zaher Hani, New York University hani@cims.nyu.edu Benoit Pausader, Princeton University

2:00 p.m.
The derivation of 1D focusing NLS from 3D quantum manybody evolution.
Justin Holmer*, Brown University
Xuwen Chen, Brown University
(110735332)

2:30 p.m.
Scattering vs. blowup in the focusing dispersive equations.
Svetlana Roudenko*, The George Washington University
(110735329)

3:00 p.m.
The I  method and the radial cubic nonlinear Schrodinger equation in three dimensions.
Benjamin G Dodson*, Johns Hopkins University
(110735291)

3:30 p.m.
The lifespan of small data solutions in two dimensional water waves.
Mihaela Ifrim*, Univeristy of California at Berkeley
Daniel Tataru, Univeristy of California at Berkeley
(110735104)

4:00 p.m.
Asymptotic behavior via testing against wave packets.
Benjamin HarropGriffiths*, University of California, Berkeley
Mihaela Ifrim, University of California, Berkeley
Daniel Tataru, University of California, Berkeley
(110735294)

Saturday March 7, 2015, 2:00 p.m.4:20 p.m.
Special Session on Nonlinear Partial Differential Equations in Sciences and Engineering, II
Room 104, Bunn, ICC (Intercultural Center) Organizers: Lorena Bociu, North Carolina State University lvbociu@ncsu.edu Ciprian Gal, Florida International University Daniel Toundykov, University of Nebraska

Saturday March 7, 2015, 2:00 p.m.4:20 p.m.
Special Session on Number Theory in Ergodic Theory and Dynamical Systems, II
Room 103, Bunn, ICC (Intercultural Center) Organizers: Joe Herning, Northern Virginia Community College Erblin Mehmetaj, George Washington University and Georgetown University erblinm@gwmail.gwu.edu E. Arthur Robinson Jr., George Washington University Tyler White, Northern Virginia Community College

2:00 p.m.
On multirecurrence and families of sets of integers.
Dominik Kwietniak, Jagiellonian University in Krakow, Krakow, Poland
Jian Li, Shantou University, Shantou, P.R. China
Piotr Oprocha*, AGH University of Science and Technology, Krakow, Poland
Xiangdong Ye, University of Science and Technology of China, Hefei, P.R. China
(110737367)

2:30 p.m.
Polynomial multiple recurrence over rings of integers.
Vitaly Bergelson, Ohio State University
Donald Robertson*, Ohio State University
(110737255)

3:00 p.m.
Partition regularity over Gaussian integers.
Wenbo Sun*, Northwestern University
(110700141)

3:30 p.m.
The Fried average entropy for smooth group actions and connections with algebraic number theory.
Svetlana Katok*, The Pennsylvania State University
(110737275)

4:00 p.m.
Computing the entropy of certain $p$adic dynamical systems.
Robert L. Benedetto*, Amherst College
Dvij Bajpai, Amherst College
Ruqian Chen, University of Illinois
Edward Kim, Amherst College
Owen Marschall, Amherst College
Darius Onul, Amherst College
Yang Xiao, Brown University
(110737101)

Saturday March 7, 2015, 2:00 p.m.3:50 p.m.
Special Session on Optimization Theory, Algorithms and Applications, II
Room 262, Reiss Hall Organizers: Olga Brezhneva, Miami University, Oxford, OH Igor Griva, George Mason University igriva@gmu.edu

2:00 p.m.
Cubic Regularization in QuasiNewton Methods.
Hande Y Benson*, Drexel University
David F Shanno, Rutgers University  RUTCOR (Emeritus)
(11079064)

2:30 p.m.
Interior point methods for sufficient weighted complementarity problems.
Florian A Potra*, University of Maryland, Baltimore County
(11079081)

3:00 p.m.
Optimal Inversion Matrices for Inverse Problems.
Matthias Chung*, Virginia Tech
Julianne Chung, Virginia Tech
Dianne O'Leary, University of Maryland, College Park
(11076555)

3:30 p.m.
Fast Projected Gradient Method for training Support Vector Machines.
Veronica Bloom, School of Physics, Astronomy, and Computational Sciences, George Mason University
Igor Griva*, Department of Mathematical Sciences, George Mason University
Fabio Quijada, Department of Mathematical Sciences, George Mason University
(110749251)

Saturday March 7, 2015, 2:00 p.m.4:20 p.m.
Special Session on Patterns in Permutations and Words, II
Room 283, Reiss Hall Organizers: Alexander Burstein, Howard University aburstein@howard.edu

2:00 p.m.
The Generating Functions Enumerating 12..dAvoiding Words with r occurrences of each of 1,2, ..., n are Dfinite for all d and all r.
Shalosh B. Ekhad, Rutgers University (NB)
Doron Zeilberger*, Rutgers University (NB)
(11070575)

3:00 p.m.
Recent progress on the NoonanZeilberger Conjecture.
Scott Garrabrant*, University of California, Los Angeles
Igor Pak, University of California, Los Angeles
(110705490)

3:30 p.m.
A quick method for counting permutations avoiding 4231 and 4123.
Nathaniel Shar*, Rutgers University
(110705234)

4:00 p.m.
An involution on involutions.
Miklos Bona, University of Florida
Rebecca Smith*, SUNY Brockport
(110705443)

Saturday March 7, 2015, 2:00 p.m.4:20 p.m.
Special Session on Qualitative Behavior of Solutions of Partial Differential Equations, II
Room 116, Bunn, ICC (Intercultural Center) Organizers: Junping Shi, College of William and Mary Jiuyi Zhu, John Hopkins University jzhu43@math.jhu.edu

2:00 p.m.
Sharp MoserTrudinger inequality on hyperbolic spaces and Adams inequality with the exact growth condition.
Guozhen Lu*, Wayne State University, USA
Hanli Tang, Beijing Normal University
Maochun Zhu, Beijing Normal University
(110735248)

2:30 p.m.
Existence of multiple traveling waves in an isothermal diffusion system with linear decay.
Yuanwei Qi*, Department of Mathematics, University of Central Florida
Xinfu Chen, Department of Mathematics, University of Pittsburgh
YJ Zhang, Department of Mathematics, Shanxi University
(110735463)

3:00 p.m.
Evaen Symmetry of Axially Symmetric Solutions of the AllenCahn Equation.
Changfeng Gui*, University of Connecticut and NSF
(110735209)

3:30 p.m.
Some problems related to the sharp LiYau type Harnack estimates on Riemannian Manifolds with Negative Curvature.
Xiangjin Xu*, Department of Mathematical Sciences, Binghamton UniversitySUNY
(110758292)

4:00 p.m.
Rigidity of scalar curvature and vacuum static spaces.
Wei Yuan*, Department of Mathematics, UC Santa Cruz
Jie Qing, Department of Mathematics, UC Santa Cruz
(110753343)

Saturday March 7, 2015, 2:00 p.m.4:20 p.m.
Special Session on Quantum Algebras, Representations, and Categorifications, II
Room 211, WhiteGravenor Hall Organizers: Sean Clark, University of Virginia sic5ag@virginia.edu Weiqiang Wang, University of Virginia

2:00 p.m.
Rigid character tables of affine Hecke algebras.
Xuhua He*, University of Maryland/HKUST
(110700126)

2:30 p.m.
Canonical bases arising from quantum symmetric pairs.
Huanchen Bao*, University of Virginia
(110717192)

3:00 p.m.
Positivity vs negativity of canonical bases.
Yiqiang Li*, University at Buffalo, SUNY
Weiqiang Wang, University of Virginia
(11071789)

3:30 p.m.
An elementary approach to monomial and canonical bases of quantum affine $\mathfrak{gl}_n$.
ChunJu Lai*, University of Virginia
Li Luo, East China Normal University
(110716213)

4:00 p.m.
Geometric Schur duality of type D.
Zhaobing Fan*, Kansas State University
Yiqiang Li, University at Buffalo, SUNY
(110716304)

Saturday March 7, 2015, 2:00 p.m.4:20 p.m.
Special Session on Singularities: Algebraic and Analytic Aspects, II
Room 213, WhiteGravenor Hall Organizers: Claudia Miller, Syracuse University Sophia Vassiliadou, Georgetown University sv46@georgetown.edu

Saturday March 7, 2015, 2:00 p.m.3:20 p.m.
Special Session on Somos Sequences and Nonlinear Recurrences, II
Room 105, Bunn, ICC (Intercultural Center) Organizers: Andrew Vogt, Georgetown University vogta@georgetown.edu

2:00 p.m.
Automated exploration of Somoslike sequences, noncommutative recursions, and the Laurent phenomenon.
Matthew C Russell*, Rutgers, The State University of New Jersey
(110711484)

2:30 p.m.
Cryptographic Applications for Somos Sequences.
R. Wm. Gosper, Los Altos Hills, California
Hilarie Orman, Purplestreak Inc.
Rich Schroeppel*, Sandia National Laboratories
(110711342)

3:00 p.m.
Observations on Somos4 polynomials.
Michael Somos*, Georgetown University, Washington, DC
(110711231)

Saturday March 7, 2015, 2:00 p.m.4:20 p.m.
Special Session on Spatial Evolutionary Models and Biological Invasions, I
Room 105, Healy Hall Organizers: Judith Miller, Georgetown University jrm32@georgetown.edu Yuan Lou, Ohio State University

2:00 p.m.
Evolution of Population over Social Network.
Min Wang, Department of Mathematics, Department of Statistics, Iowa State University
Wen Zhou, Department of Statistics, Colorado State University
Zhijun Wu*, Department of Mathematics, Iowa State University
(110792439)

2:30 p.m.
Fitness gradient flux in evolutionary games: numerical and analytic results.
Russ deForest, Dept of Mathematics, Pennsylvania State University
Andrew Belmonte*, Dept of Mathematics, Pennsylvania State University
(110791489)

3:00 p.m.
Management of invasive allee species.
David Chan*, VCU
Derek Johnson, VCU
Candace Kent, VCU
(110792237)

3:30 p.m.
Invasion dynamics of competing species: revisiting the red/grey squirrel system with a spatial, stagestructured model.
Sharon Bewick*, University of Maryland, Department of Biology
Guoqing Wang, University of Maryland
Hannah Younes, University of Maryland
Bingtuan Li, University of Louisville, Department of Mathematics
William F. Fagan, University of Maryland, Department of Biology
(110792412)

4:00 p.m.
Modeling Allee Effect on Population Invasion of a Patchy, Heterogeneous Environment.
Donald L. DeAngelis*, University of Miami
Bo Zhang, University of Miami
WeiMing Ni, University of Minnesota
(110734147)

Saturday March 7, 2015, 2:00 p.m.4:20 p.m.
Special Session on Stochastic Analysis and Stochastic PDEs, II
Room 118, Bunn, ICC (Intercultural Center) Organizers: Sandra Cerrai, University of Maryland cerrai@math.umd.edu Frederi Viens, Purdue University

Saturday March 7, 2015, 2:00 p.m.3:50 p.m.
Special Session on Topology in Biology, II
Room 204, WhiteGravenor Hall Organizers: Paul Kainen, Georgetown University kainen@georgetown.edu

Saturday March 7, 2015, 2:00 p.m.4:20 p.m.
Special Session on WithinHost Disease Modeling, II
Room 109, Regents Hall Organizers: Stanca Ciupe, Virginia Polytechnic Institute Sivan Leviyang, Georgetown University sr286@georgetown.edu

2:00 p.m.
Innate immunity in the purple sea urchin and diversity of the Sp185/333 system.
L Courtney Smith*, George Washington University
(11079258)

2:30 p.m.
Sensitivity Analysis and Treatment of Hepatitis C Virus Infection.
Ariel CintronArias*, East Tennessee State University
(110792157)

3:00 p.m.
Dynamic programming of innate immunity and inflammatory diseases.
Liwu Li*, Virginia Tech
(110792137)

3:30 p.m.
Optimal Control for a Delay Model of HBV Treatment.
Jonathan Forde*, Hobart and William Smith Colleges
Stanca Ciupe, Virginia Tech
Ariel CintronArias, East Tennessee State University
Suzanne Lenhart, University of Tennessee
(110792172)

4:00 p.m.
A human challenge experiment points towards the importance of viral load dynamics and viral genetics in driving influenza symptoms.
Ashley Sobel*, Duke University Medical Scientist Training Program
Micah McClain, Duke University School of Medicine
Chris Woods, Duke University School of Medicine
Katia Koelle, Duke University Department of Biology
(110792501)

Saturday March 7, 2015, 2:30 p.m.4:20 p.m.
Special Session on Operator Theory on Analytic Function Spaces, II
Room 103, Reiss Hall Organizers: Robert F. Allen, University of Wisconsin, La Cross Flavia Colonna, George Mason University fcolonna@gmu.edu

Saturday March 7, 2015, 5:10 p.m.6:00 p.m.
Einstein Public Lecture in Mathematics
Cancer by the numbers.
Lohrfink Auditorium, Hariri Hall
Simon Tavaré*, Cancer Research UK Cambridge Institute & DAMTP, University of Cambridge
(110792440)

Saturday March 7, 2015, 6:00 p.m.7:30 p.m.
Einstein Lecture Reception
Second Floor, Regents Hall
Inquiries: meet@ams.org

