
AMS Sectional Meeting Program by Day
Current as of Sunday, April 21, 2013 00:20:08
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Spring Western Sectional Meeting
University of Colorado Boulder, Boulder, CO
April 1314, 2013 (Saturday  Sunday)
Meeting #1089
Associate secretaries:
Michel L Lapidus, AMS lapidus@math.ucr.edu, lapidus@mathserv.ucr.edu
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 CasalainaMartin, University of Colorado casa@math.colorado.edu Renzo Cavalieri, Colorado State University Brendan Hassett, Rice University Jonathan Wise, University of Colorado

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.
SatoTate groups of motives.
Kiran S. Kedlaya*, University of California, San Diego
(10891180)

8:30 a.m.
Families of abelian varieties with big monodromy.
David M ZureickBrown*, Emory University
(108914119)

9:00 a.m.
Most Abelian Varieties over the $\mathbb{Q}$ are not Isogenous to a Jacobian.
Jacob Tsimerman*, 238 Columbia St., 2W
(108911358)

9:30 a.m.
Splitting of abelian varieties, elliptic minuscule pairs.
Ying Zong*, University of Toronto
V Kumar Murty, University of Toronto
(108911330)

10:00 a.m.
Random elements in interesting groups.
Igor Rivin*, Temple University
(108922285)

10:30 a.m.
Elliptic surfaces and the Inverse Galois Problem.
David Zywina*, Institute for Advanced Study
(108911129)

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
(108905173)

8:30 a.m.
DeRham cohomology of cluster algebras.
Thomas Lam*, University of Michigan
David Speyer, University of Michigan
(10891378)

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
(108916296)

9:30 a.m.
Clusters in Continuous Cluster Categories.
Gordana Glisa Todorov*, Northeastern University
Kiyoshi Igusa, Brandeis University
(108916337)

10:00 a.m.
Infinite group actions on Frobenius cyclic posets.
Kiyoshi Igusa*, Brandeis University
Gordana G Todorov, Northeastern University
(108918158)

10:30 a.m.
Fregularity and cluster algebras.
Greg Muller*, Louisiana State University
Jenna Rajchgot, University of Michigan
Karen E Smith, University of Michigan
(108913123)

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
(108905283)

8:30 a.m.
A uniform combinatorial model for KirillovReshetikhin 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
(10890534)

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
(108905221)

9:30 a.m.
Combinatorics of affine Hecke algebras of type C.
Zajj Daugherty*, Dartmouth College/ICERM
Arun Ram, University of Melbourne
(108905369)

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
(108905259)

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
(10890535)

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 4IETs has Hausdorff dimension 2 1/2.
Jayadev Athreya, University of Illinois, UrbanaChampaign
Jon Chaika*, University of Chicago/ University of Utah
(108937281)

8:30 a.m.
Salem Numbers and Abelian Surface Automorphisms.
Paul Reschke*, University of Illinois  Chicago
(108937210)

9:00 a.m.
Large deviations and nonuniform specification properties.
Vaughn Climenhaga*, University of Houston
Daniel J. Thompson, The Ohio State University
Kenichiro Yamamoto, Tokyo Denki University
(108937148)

9:30 a.m.
Memory loss for timedependent piecewise expanding systems in higher dimension.
Chinmaya Gupta, University of Houston
William Ott, University of Houston
Andrew Torok*, University of Houston
(108937295)

10:00 a.m.
Sumsets with one dense and one infinite summand.
John T Griesmer*, University of Denver
(108937282)

10:30 a.m.
Entropies and rigidity of compact manifolds.
François Ledrappier*, University of Notre Dame, Notre Dame, IN
(108951177)

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
(108914333)

9:00 a.m.
Hyperbolic polynomials, interlacers, and sums of squares.
Mario Kummer, Universitat Konstanz
Daniel Plaumann, Universitat Konstanz
Cynthia Vinzant*, University of Michigan
(108952335)

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
(108914258)

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

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

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

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 3Manifolds and their Asymptotics.
Charles D. Frohman, The University of Iowa
Joanna KaniaBartoszynska*, National Science Foundation
(108957380)

8:30 a.m.
Remarks on the asymptotic invariants of divergence free vector fields.
Rafal Komendarczyk*, Tulane University (Mathematics)
(108953118)

9:00 a.m.
Links modulo rational moves.
Mieczyslaw K Dabkowski*, Department of Mathematical Sciences, University of Texas at Dallas, Richardson TX
(108957402)

9:30 a.m.
Topology of the Apollonian disk packing and physics.
Jerzy Kocik*, Southern Illinois University, Carbondale
(108920408)

10:00 a.m.
Ultralow 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
(108992211)

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
(10898362)

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
(108992146)

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
(10899293)

9:30 a.m.
Cell Polarization in Budding Yeast.
WingCheong 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
ChingShan Chou*, Department of Mathematics, Ohio State University
HayOak Park, Department of Molecular Genetics, Ohio State University
(10899294)

10:00 a.m.
Spatiotemporal regulation of developmental processes.
William R Holmes*, University of California, Irvine
Qing Nie, University of California, Irvine
(108992153)

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
(108905284)

9:00 a.m.
Graphs, digraphs and kNU 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
(10890897)

9:30 a.m.
CSP for Commutative, Idempotent Groupoids.
Clifford Bergman, Iowa State University
David Failing*, Iowa State University
(10890843)

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
(108908233)

10:30 a.m.
Directional algebras and digroups.
Jonathan D.H. Smith*, Iowa State University
(108908218)

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
(108976228)

9:00 a.m.
An Estimate on the Size of the Singular Set for Solutions of the NavierStokes System.
Igor Kukavica, University of Southern California
Yuan Pei*, University of Southern California
(108935106)

9:30 a.m.
Wellposedness for the 3D generalized NavierStokes equations in the TriebelLizorkin space framework.
C. Deng*, Penn State University
X Yao, Central China Normal University
(108935278)

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/'opezPermouth, Ohio University
Jeremy Moore, Otterbein University
Steve Szabo*, Eastern Kentucky University
(10891610)

9:00 a.m.
Integrally closed rings and the ZariskiRiemann space of valuation rings.
Bruce Olberding*, New Mexico State University
(108913272)

9:30 a.m.
Automorphisminvariant modules and additive unit representations in endomorphism rings.
Ashish K Srivastava*, Saint Louis University
Pedro A Guil Asensio, Universidad de Murcia, Murcia, Spain
(10891640)

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
(108916348)

10:30 a.m.
An Alternative Perspective to Projectivity.
Christopher Holston*, Ohio University
Sergio R. LopezPermouth, Ohio University
Joseph Mastromatteo, Ohio University
Jose E. SimentalRodriguez, Northeastern University
(108916314)

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

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 NebraskaLincoln Michael Jacobson, University of Colorado Denver

8:30 a.m.
AntiRamsey Multiplicities of Graphs and Arithmetic Progressions.
Michael Young*, Iowa State University
(108905265)

9:00 a.m.
Getting to the point of Reed's Conjecture: How local can you go?
Andrew D King*, Simon Fraser University
(10890565)

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
(108905384)

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 UrbanaChampaign
Bernard Lidický*, University of Illinois at UrbanaChampaign
Matthew Yancey, University of Illinois at UrbanaChampaign
(108905343)

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 UrbanaChampaign
Matthew Yancey, University of Illinois at UrbanaChampaign
(10890586)

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 Ktheory, and Schubert varieties.
William Graham*, Department of Mathematics, University of Georgia
Victor Kreiman, Department of Mathematics, University of WisconsinParkside
(108914222)

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 UrbanaChampaign
(108914404)

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
(108922311)

10:00 a.m.
Representation theory of symplectic singularities.
Ben Webster*, Northeastern University
(108916247)

10:30 a.m.
Modules over Algebraic Quantizations and representation theory.
Christopher Dodd*, University of Toronto
(108920410)

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
(108947182)

9:00 a.m.
Dynamical Sampling.
Akram Aldroubi, Vanderbilt University
Jacqueline Davis*, Vanderbilt University
Ilya Krishtal, Northern Illinois University
(108942268)

9:30 a.m.
Parseval Frame Wavelets on Some NonAbelian Nilpotent Matrix Groups.
Vignon S Oussa*, Bridgewater State University
(10894311)

10:00 a.m.
Frames, Dilations and OperatorValued Measures.
David R. Larson*, Texas A&M University
(108947312)

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

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

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 SobolevHardy critical nonlinearities with singularities on the boundary.
JannLong Chern, Department of Mathematics, National Central University
ChunHsiung Hsia*, Department of Mathematics, National Taiwan University
ChangShou Lin, Department of Mathematics, National Taiwan University
Wadade Hidemitsu, Faculty of Education, Gifu University
(108935239)

9:30 a.m.
Reversed sharp HardyLittewoodSobolev inequality.
Meijun Zhu*, University of Oklahoma
(10893599)

10:00 a.m.
Illposedness for the NavierStokes equations in TriebelLizorkin space in R3.
C. Deng*, Penn State University
X Yao, central china normal university
(108935277)

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
(10893552)

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

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
(10899002)

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
(10892204)

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 CasalainaMartin, University of Colorado casa@math.colorado.edu Renzo Cavalieri, Colorado State University Brendan Hassett, Rice University Jonathan Wise, University of Colorado

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

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

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

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

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

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

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 NebraskaLincoln Michael Jacobson, University of Colorado Denver

3:00 p.m.
Saturation Numbers.
Ralph J Faudree*, Dept. of Math. Sci., University of Memphis
(10890532)

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
(108905191)

4:00 p.m.
Complete subgraphs in multipartite graphs.
Florian Pfender*, University of Colorado Denver
(108905391)

4:30 p.m.
$k$fold Sidon sets.
Craig M Timmons*, University of California San Diego
(10890522)

5:00 p.m.
Graphs with the Fewest Matchings.
Lauren Keough*, University of Nebraska  Lincoln
A.J. Radcliffe, University of Nebraska  Lincoln
(108905294)

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

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

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
(108958121)

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
(108958116)

4:00 p.m.
Examples of Witten deformations for Riemannian foliations.
Igor Prokhorenkov*, Texas Christian University
Ken Richardson, Texas Christian University
(10895892)

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
(108957367)

5:00 p.m.
Local Calabi and curvature estimates for the ChernRicci flow.
Morgan Sherman*, California Polytechnic State University
Ben Weinkove, Northwestern University
(108953332)

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

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
(108911305)

3:30 p.m.
Ternary Quadratic Forms and HalfIntegral Weight Modular Forms.
Alia Hamieh*, The University of British Columbia
(108911194)

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
(108911383)

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
(108911395)

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

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
(108932131)

4:00 p.m.
Cohomology jump loci of local systems.
Nero Budur*, University of Notre Dame
(10891475)

5:00 p.m.
Chen ranks of arrangement groups.
Daniel C. Cohen*, Louisiana State University
Henry K. Schenck, University of Illinois UrbanaChampaign
(108920288)

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
(108906316)

3:30 p.m.
Application of computability theory to the study of quandles.
Kai Maeda*, George Washington University
(108903257)

4:00 p.m.
Khovanovtype Homology and Homology of Small Categories.
Jing Wang*, George Washington University
(108955298)

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
(108957366)

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
(108955385)

5:30 p.m.
Categorifications of the chromatic polynomial.
Radmila Sazdanovic*, University of Pennsylvania
Vladimir Baranovsky, UC Irivine
(108905308)

6:00 p.m.
Flat Stick Knots.
Daniel J. Carrillo*, University of Illinois at Chicago
Louis H. Kauffman, University of Illinois at Chicago
(108957164)

6:30 p.m.
Recent results in mathematical fluid mechanics.
Robert Michal Owczarek*, Enfitek, Inc. and University of New Mexico
(108976407)
Inquiries: meet@ams.org

