AMS Sectional Meeting Program by Day
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2012 Spring Eastern Sectional Meeting
George Washington University, Washington, DC
March 1718, 2012 (Saturday  Sunday)
Meeting #1080
Associate secretaries:
Steven H Weintraub, AMS shw2@lehigh.edu
Sunday March 18, 2012

Sunday March 18, 2012, 8:00 a.m.12:00 p.m.
Exhibits and Book Sale
Room 267, Monroe Hall

Sunday March 18, 2012, 8:00 a.m.12:00 p.m.
Meeting Registration
Second Floor Foyer, Monroe Hall

Sunday March 18, 2012, 8:00 a.m.10:50 a.m.
Special Session on Analysis of Wavelets, Frames, and Fractals, III
Room 352, Rome Hall
Organizers:
Keri Kornelson, University of Oklahoma kkornelson@ou.edu
Judy Packer, University of Colorado Boulder

8:00 a.m.
Constructing all finite unit norm tight frames.
Matthew Fickus*, Air Force Institute of Technology
(10804237)

8:30 a.m.
Sparse solutions of numbertheoretic Gabor equations.
John J Benedetto*, Norbert Wiener Center, Department of Mathematics, UMD College Park
(10804388)

9:00 a.m.
Shiftinvariant subspaces for the Heisenberg group.
Azita Mayeli*, Queensborough C. College, CUNY
(108041228)

9:30 a.m.
Operators, wavelets and frames.
Deguang Han, Department of Mathematics, University of Central Florida
David R. Larson*, Department of Mathematics, Texas A&M University
Bei Liu, Department of Mathematics, Tianjin University of Technology
Rui Liu, Department of Mathematics and LPMC, Nankai University
(108046220)

10:00 a.m.
Wavelet frames for (not necessarily reducing) affine subspaces.
Deguang Han*, University of Central Florida
(10804625)

10:30 a.m.
Edge Detection from Truncated Fourier Data.
Yang Wang*, Michigan State University
(108042201)

Sunday March 18, 2012, 8:00 a.m.10:50 a.m.
Special Session on Computable Mathematics (in honor of Alan Turing), III
Room 220, Funger Hall
Organizers:
Douglas Cenzer, University of Florida
Valentina Harizanov, George Washington University harizanv@gwu.edu
Russell Miller, Queens College and Graduate Center  CUNY

8:00 a.m.
Degeneration and orbits of tuples and subgroups.
Wesley Calvert*, Southern Illinois University
Kunal Dutta, Institute of Mathematical Sciences, Chennai, India
Amritanshu Prasad, Institute of Mathematical Sciences, Chennai, India
(108003330)

8:30 a.m.
Automorphisms of substructures of the lattice of subspaces of $V_{\infty }$ and derivatives.
Rumen D Dimitrov*, Macomb
(108003313)

9:00 a.m.
Lowness for difference tests.
David Diamondstone, Victoria University of Wellington
Johanna N. Y. Franklin*, University of Connecticut
(108003284)

9:30 a.m.
Compressibility of Countable Subshifts.
Ferit Toska*, University of Florida
Douglas Cenzer, University of Florida
(108003248)

10:00 a.m.
The Medvedev degrees as semantics for propositional logic.
Paul Shafer*, Appalachian State University
(108003177)

10:30 a.m.
Categoricity and relative categoricity of structures of familiar kinds.
Jesse Johnson, University of Notre Dame
Julia Knight*, University of Notre Dame
Victor Ocasio, University of Notre Dame
Jamalbek Tussupov, Gumilev Eusasian National University, Astana, Kazakhstan
Steven VanDenDriessche, University of Notre Dame
(108003308)

Sunday March 18, 2012, 8:00 a.m.10:50 a.m.
Special Session on Convex and Discrete Geometry, III
Room 207, Funger Hall
Organizers:
Jim Lawrence, George Mason University
Valeriu Soltan, George Mason University vsoltan@gmu.edu

8:00 a.m.
Peaks and the cdindex.
Samuel K Hsiao*, Bard College
(108005315)

8:30 a.m.
The {\bf cd}indices, $CD$vectors, and $h$vectors of convex polytopes.
Carl W. Lee*, Department of Mathematics, University of Kentucky
(108052178)

9:00 a.m.
Convex Sets in Empty Convex Position.
Gábor Fejes Tóth*, Alfréd Rényi Institute of Mathematics, Hungarian Academy of Sciences
(108052280)

9:30 a.m.
Symmetric Graphicahedra.
Egon Schulte*, Northeastern University
(108052139)

10:00 a.m.
The T(5) Property of Families of Overlapping Unit Disks.
T. Bisztriczky*, University of Calgary
K. Boroczky, Eotvos Lorand University
A. Heppes, Renyi Mathematics Institute
(108052341)

10:30 a.m.
Minimum Beam Detectors for Polygonal Regions.
Scott Provan*, University of North Carolina
Marcus Brazil, University of Melbourne
Doreen Thomas, University of Melbourne
Jia Weng, University of Melbourne
(10805143)

Sunday March 18, 2012, 8:00 a.m.10:50 a.m.
Special Session on Mathematics Applied in the Sciences: From Statistics to Topology, III
Room 102, Hall of Government
Organizers:
James Carroll, Los Alamos National Laboratory
Hanna Makaruk, Los Alamos National Laboratory hanna_m@lanl.gov
Robert Owczarek, Enfitek, Inc. and University of New Mexico

8:00 a.m.
A Random Graph Model for Neuronal Connectivity.
Rebecca F. Goldin*, George Mason University
Giorgio A. Ascoli, George Mason University
David Marchette, Naval Surface Warfare Center, Dahlgren, VA
Carey Priebe, Johns Hopkins University
(108062234)

9:00 a.m.
Probabilistic approach to evaluating the topological survivability of networks with heterogeneous nodes.
Svetlana V. Poroseva*, Mechanical Engineering, University of New Mexico
(108000338)

9:30 a.m.
Functional Analytic Methods for Gene Expression Denoising.
Yue Fan, Department of Mathematics and Statistics and Program in Bioinformatics, Boston University, Boston, MA, 02215
Shinuk Kim, DepartmProgram in Bioinformatics, Boston University, Boston, MA, 02215
Mark A Kon, Department of Mathematics and Statistics and Program in Bioinformatics, Boston University, Boston, MA, 02215
Louise A Raphael*, Department of Mathematics, Howard University, Washington, Dc, 20059
Charles DeLisi, Program in Bioinformatics, Boston University, Boston, MA, 02215
(10804633)

10:00 a.m.
Applications of Fractional Calculus to Gravity.
Abdalla A Obeidat*, Jordan University of Science and Technology
Akram A Rousan, Jordan University of Science and Technology
Khitam Khasawinah, Yarmouk University
(10807427)

10:30 a.m.
Statistical physics and fluid mechanics.
Robert M Owczarek*, Enfitek, Inc. and University of New Mexico
(108082230)

Sunday March 18, 2012, 8:00 a.m.10:50 a.m.
Special Session on Matroid Theory, III
Room 208, Funger Hall
Organizers:
Joseph E. Bonin, George Washington University jbonin@gwu.edu
Sandra Kingan, Brooklyn College

8:00 a.m.
Tangles, Trees, and Flowers.
Ben Clark*, Victoria University of Wellington
Geoff Whittle, Victoria University of Wellington
(108005238)

8:30 a.m.
Strongmap images of graphic matroids.
Daniel Slilaty*, Wright State University
Thomas Zaslavsky, State University of New York at Binghamton
(108005325)

9:00 a.m.
Characterizing graphic matroids by a system of linear equations.
Bert Gerards*, Centrum Wiskunde & Informatica, Amsterdam and Maastricht University School of Business and Economics, Maastricht
(108005114)

10:00 a.m.
A minorbased characterization of matroid $3$connectivity.
Tyler Moss*, Louisiana State University
(10800567)

10:30 a.m.
Regular matroids excluding some small graph minors.
Talmage James Reid*, The University of Mississippi
Haidong Wu, The University of Mississippi
Kayla Davis, The University of Mississippi
(108005224)

Sunday March 18, 2012, 8:00 a.m.10:50 a.m.
Special Session on Nonlinear Dispersive Equations, III
Room 222, Funger Hall
Organizers:
Manoussos Grillakis, University of Maryland
Justin Holmer, Brown University
Svetlana Roudenko, George Washington University roudenko@gwu.edu

8:00 a.m.
Smoothing effect for dispersive equations and systems with periodic boundary conditions.
Nikolaos Tzirakis*, University of Illinois at UrbanaChampaign
Burak Erdogan, University of Illinois at UrbanaChampaign
(108035271)

8:30 a.m.
Local wellposedness of quasilinear systems of PDE generalizing KdV.
Timur Akhunov*, University of Calgary
(108035204)

9:00 a.m.
On wellposedness and wave operator for the gKdV equation.
Luiz Gustavo Farah*, Universidade Federal de Minas Gerais (UFMG)  Brazil
Ademir Pastor, UNICAMP  Brazil
(108035116)

9:30 a.m.
Soliton dynamics for a nonHamiltonian perturbation of mKdV.
Quanhui Lin*, Mathematics Department, Brown University
(108035198)

10:00 a.m.
Exact Dynamics of Solitons for mKdV with Multiplicative White Noise.
Justin Holmer, Brown University
Leila Setayeshgar*, Brown University
(10803551)

10:30 a.m.
Invariance of the Gibbs measure for the periodic quartic KdV.
Geordie Richards*, University of Toronto
(108035242)

Sunday March 18, 2012, 8:00 a.m.10:50 a.m.
Special Session on Relations between the History and Pedagogy of Mathematics, III
Room 206, Rome Hall
Organizers:
David L. Roberts, Prince George's Community College robertsdl@aol.com
Kathleen M. Clark, Florida State University

Sunday March 18, 2012, 8:00 a.m.11:00 a.m.
Special Session on Selforganization Phenomena in Reaction Diffusion Equations, III
Room 223, Funger Hall
Organizers:
Xiaofeng Ren, George Washington University
Junping Shi, College of William and Mary shij@math.wm.edu

8:00 a.m.
PDE connections for systems with variational structure.
Nicholas D Alikakos*, University of Athens
(108035237)

8:30 a.m.
Global Dynamics of Reactiondiffusion System Arising from AutoCatalysis.
Yuanwei Qi*, Department of Mathematics, University of Central Florida
(108035196)

9:00 a.m.
Radially Projected Finite Elements for Pattern Formation on Spheroidal Surfaces.
Necibe Tuncer*, University of Tulsa
(108035171)

9:30 a.m.
Broken chain induced Turing instability in a food chain model.
Zhifu Xie*, Department of Mathematics and Computer Science, Virginia State University
(108092119)

10:00 a.m.
Long time dynamics of a diffusive three species food chain model.
Rana Parshad*, King Abdullah University of Science and Technology
Aslan Kasimov, Kaust
Ranjit Upadhyay, Indian School of Mines
(10803582)

10:30 a.m.
Qualitative analysis of a strongly coupled predatorprey system with modified HollingTanner functional response.
Jun Zhou*, Department of Mathematics, College of William and Mary
(10803529)

Sunday March 18, 2012, 8:00 a.m.10:50 a.m.
Special Session on Structural and Extremal Problems in Graph Theory, III
Room 209, Funger Hall
Organizers:
Daniel Cranston, Virginia Commonwealth University dcranston@vcu.edu
Gexin Yu, College of William & Mary

8:00 a.m.
Turán and Ramsey Problems for Complete Set Systems.
Linyuan Lu, University of South Carolina
Kevin G Milans*, University of South Carolina
(108005374)

8:30 a.m.
Exact codegree condition for the Fano plane via digraphs.
Louis DeBiasio*, Miami University
Tao Jiang, Miami University
(108005333)

9:00 a.m.
Set families with a forbidden induced subposet.
Edward Boehnlein, University of South Carolina
Tao Jiang*, Miami University
(108005244)

9:30 a.m.
Upper bounds on the size of 4 and 6cyclefree subgraphs of the hypercube.
Jozsef Balogh, University of Illinois at UrbanaChampaign
Ping Hu, University of Illinois at UrbanaChampaign
Bernard Lidicky*, University of Illinois at UrbanaChampaign
Hong Liu, University of Illinois at UrbanaChampaign
(108005290)

10:00 a.m.
Judicious bipartitions of graphs.
Jie Ma, Department of Mathematics, UCLA
Xingxing Yu*, School of Mathematics, Georgia Institute of Technology
(108005281)

10:30 a.m.
Path Cover Number in 4regular Graphs.
Suil O*, The College of William and Mary
Gexin Yu, The College of William and Mary
(108005319)

Sunday March 18, 2012, 8:00 a.m.10:50 a.m.
Special Session on Symmetric Functions, Quasisymmetric Functions, and the Associated Combinatorics, III
Room 210, Funger Hall
Organizers:
Nicholas Loehr, Virginia Tech
Elizabeth Niese, Marshall University niese@marshall.edu

8:00 a.m.
An injection from standard fillings to parking functions.
Elizabeth Niese*, Marshall University
(10800575)

8:30 a.m.
Sorting index and cycles for permutations and matchings.
Svetlana Poznanovikj*, Georgia Institute of Technology
(108005352)

9:00 a.m.
Rational Catalan Combinatorics.
Drew Armstrong*, University of Miami
(108005295)

9:30 a.m.
The JacobiStirling Numbers.
George E. Andrews, The Pennysylvania State University
Eric S. Egge*, Carleton College
Wolfgang Gawronski, University of Trier
Lance L. Littlejohn, Baylor University
(10800596)

10:00 a.m.
Bipartite Graphs, Quivers, and Cluster Variables.
Gregg Musiker*, University of Minnesota
(108005253)

10:30 a.m.
Combinatorics of crystal bases for the Kronecker problem.
Jonah Blasiak*, University of Michigan
(108005310)

Sunday March 18, 2012, 8:00 a.m.10:45 a.m.
Special Session on The Legacy of Göedel's Second Incompleteness Theorem for the Foundations of Mathematics, III
Room 221, Funger Hall
Organizers:
Karim J. Mourad, Georgetown University kjm57@Georgetown.edu

Sunday March 18, 2012, 8:00 a.m.10:50 a.m.
Special Session on Topics in Geometric Analysis and Complex Analysis, III
Room 351, Rome Hall
Organizers:
Zheng Huang, City University of New York, Staten Island zheng.huang@csi.cuny.edu
Marcello Lucia, City University of New York, Staten Island

Sunday March 18, 2012, 8:15 a.m.10:40 a.m.
Session for Contributed Papers
Room 459, Rome Hall

8:30 a.m.
A Note on Convergence in Bergman Spaces over Bounded Symmetric Domains and.
Maher M.H. Marzuq*, German Jordanian University
(10803246)

8:45 a.m.
Recent Developments in Laguerre Transform.
Ajay Kumar Shukla*, S.V.National Institute of Technology,Surat,India
Ibrahim A Salehbhai, S.V.National Institute of Technology,Surat,India
(108044320)

9:00 a.m.
Shivley's Polynomials of Two Variables.
Ranjan Kumar Jana*, S. V. National Institute of Technology, Surat, India
Ibrahim A. Salehbhai, S. V. National Institute of Technology, Surat, India
Ajay Kumar Shukla, S. V. National Institute of Technology, Surat, India
(108033321)

9:15 a.m.
The 2D MHD equations with horizontal dissipation and horizontal magnetic diffusion.
Dipendra Regmi*, Oklahoma State University
(10803554)

9:30 a.m.
Regularity of Solutions of a Biharmonic Free Boundary Problem.
John Andersson, University of Warwick
Henok Mawi*, Howard University
Henrik Shahgholian, The Royal Institute of Technology
(108035348)

9:45 a.m.
Dynamics for an evolution equation describing micro phase separation.
Yoshihito Oshita*, Department of Mathematics, Okayama University
(108035368)

10:00 a.m.
Weakly Mixing Homeomorphisms that are Uniformly Rigid.
Kelly B Funk*, University of Illinois UrbanaChampaign
(108037179)

10:15 a.m.
Solutions of SpatiallyDiscrete Differential Equations over an Inhomogeneous Medium.
Maila Capuno Brucal Hallare*, Department of Mathematics, University of Kansas, Lawrence, KS
(108034344)

10:30 a.m.
Pursuitevasion and timedependent gradient flow in singular spaces.
Chanyoung Jun*, University of Illinois, UrbanaChampaign
(10805348)

Sunday March 18, 2012, 8:30 a.m.10:50 a.m.
Special Session on Homology Theories Motivated by Knot Theory, III
Room 113, Monroe Hall
Organizers:
Jozef H. Przytycki, George Washington University przytyck@gwu.edu
Radmila Sazdanovic, University of Pennsylvania
Alexander N. Shumakovitch, George Washington University
Hao Wu, George Washington University

8:30 a.m.
Classical theta functions in a quantum group perspective.
Razvan Gelca*, Texas Tech University
(108081257)

9:00 a.m.
Quantum representations of the mapping class group.
Michael Fitzpatrick, Department of Mathematics, The University of Iowa
Charles D Frohman, Department of Mathematics, The University of Iowa
Joanna KaniaBartoszynska*, Division of Mathematical Sciences, National Science Foundation
(108057260)

9:30 a.m.
On minimal generating sets of skein modules.
Uwe Kaiser*, Boise State University
(108057302)

10:00 a.m.
The TuraevViro Endomorphism and the Jones Polynomial.
Xuanting Cai, Louisiana State University
Patrick M Gilmer*, Louisiana State University
(108057265)

10:30 a.m.
Combinatorial Legendrian Contact Homology in Contact Seifert Fibered Spaces.
Joan E. Licata*, Institute for Advanced Study / Australian National University
Joshua M. Sabloff, Haverford College
(108057208)

Sunday March 18, 2012, 8:30 a.m.10:50 a.m.
Special Session on Mathematical Methods in Disease Modeling, III
Room 101, Hall of Government
Organizers:
Shweta Bansal, Georgetown University and National Institutes of Health
Sivan Leviyang, Georgetown University sr286@georgetown.edu

8:30 a.m.
Will Different Types of Models Give Different Answers? A Case Study in Modeling CFSE Data to Understand Immune Cell Life Cycle.
Hongyu Miao*, Department of Biostatistics & Computational Biology, University of Rochester
(10809295)

9:00 a.m.
Mathematical models of immunological tolerance and immune activation following prenatal infection with hepatitis B virus.
Stanca M Ciupe*, Virginia Tech
Sarah Hews, Hampshire College
(10809238)

9:30 a.m.
Dynamical Basis for Drug Resistance of HIV1 Protease.
Yi Mao*, University of Washington, Seattle
(10809236)

10:00 a.m.
WNT signaling in melanoma cells.
Franziska Hinkelmann, Mathematical Biosciences Institute at Ohio State University
Beverly Delidow, Dept. of Biochemistry and Microbiology, Marshall University
Reinhard Laubenbacher*, Virginia Bioinformatics Institute at Virginia Tech
(10809265)

10:30 a.m.
Modeling HIV DNA artifact formation in integrase inhibitor therapy.
Ryan Zurakowski*, University of Delaware
Rutao Luo, University of Delaware
Michael J Piovoso, Penn State University, Great Valley
(108092175)

Sunday March 18, 2012, 8:30 a.m.10:50 a.m.
Special Session on Optimization: Theory and Applications, III
Room 104, Hall of Government
Organizers:
Roman Sznajder, Bowie State University rsznajder@bowiestate.edu

8:30 a.m.
Lyapunovlike transformations on proper cones.
M. Seetharama Gowda*, University of Maryland, Baltimore County
(10809052)

9:30 a.m.
Linear Complementarity Problem with Pseudomonotonicity on Euclidean Jordan Algebras.
Jiyuan Tao*, Loyola University Maryland, Baltimore, MD 21210
(10809063)

10:00 a.m.
Complementarity properties of Peircediagonalizable linear transformations on Eucliean Jordan Algebras.
M. Seetharama Gowda, University of Maryland, Baltimore County
Jiyuan Tao, Loyola University Maryland
Roman Sznajder*, Department of Mathematics, Bowie State University
(108090101)

10:30 a.m.
Linear programs on polytopes combinatorially equivalent to cubes.
Walter Morris*, Department of Mathematical Sciences, George Mason University
(108090169)

Sunday March 18, 2012, 8:30 a.m.10:50 a.m.
Special Session on Tilings, Substitutions, and BratteliVershik Transformations, III
Room 352, Monroe Hall
Organizers:
E. Arthur Robinson, George Washington University robinson@gwu.edu
Boris Solomyak, University of Washington

8:30 a.m.
Complexity and dimension groups of isotropic adic systems.
Sarah Bailey Frick*, Furman University
Karl Petersen, The University of North Carolina, Chapel Hill
(108037343)

9:00 a.m.
Isotropic adic systems.
Karl Petersen*, University of North Carolina at Chapel Hill
(10803785)

9:30 a.m.
Fusion rules for tilings with finite or infinite local complexity.
Natalie Priebe Frank*, Vassar College
Lorenzo Sadun, University of Texas at Austin
(108037327)

10:00 a.m.
Complexity of tilings with infinite local complexity.
Lorenzo Sadun*, University of Texas
Natalie Frank, Vassar College
(108037209)

10:30 a.m.
C*Algebraic Characterization of Bounded Orbit Injection Equivalence for Minimal Cantor Systems.
Frederic Latremoliere, University of Denver
Nic Ormes*, University of Denver
(108037353)

Sunday March 18, 2012, 9:00 a.m.10:50 a.m.
Special Session on Dynamics of Complex Networks, III
Room 353, Monroe Hall
Organizers:
Yongwu Rong, George Washington University rong@gwu.edu
Guanyu Wang, George Washington University
Chen Zeng, George Washington University

9:00 a.m.
Ricci flow in Wireless Sensor Networks.
David Gu*, SUNY at Stony Brook
Jie Gao, SUNY at Stony Brook
Feng Luo, Rutgers University
(108051372)

9:30 a.m.
Greedy Routing with Guaranteed Delivery Using Ricci Flows.
Rik Sarkar, State University of New York, Stony Brook
Xiaotian Yin, State University of New York, Stony Brook
Jie Gao, State University of New York, Stony Brook
Feng Luo*, Rutgers University
David Gu, State University of New York, Stony Brook
(108051132)

10:00 a.m.
Rigid phaseshifts in periodic solutions of network systems.
Yunjiao Wang*, Rice University
Marty Golubitsky, Ohio State University
David Romano, Grinnell Colledge
(10803780)

10:30 a.m.
Potential and Flux Landscape Theory of Networks.
Jin Wang*, State University of New York at Stony Brook
(108060331)

Sunday March 18, 2012, 11:00 a.m.11:50 a.m.
Invited Address
Some recent advances in tiling dynamical systems.
McCrea Auditorium, Funger Hall
Boris Solomyak*, University of Washington
(10803702)

Sunday March 18, 2012, 2:00 p.m.2:50 p.m.
Invited Address
Matroid minors.
McCrea Auditorium, Funger Hall
Jim Geelen*, University of Waterloo
(10800004)

Sunday March 18, 2012, 3:00 p.m.5:20 p.m.
Special Session on Analysis of Wavelets, Frames, and Fractals, IV
Room 352, Rome Hall
Organizers:
Keri Kornelson, University of Oklahoma kkornelson@ou.edu
Judy Packer, University of Colorado Boulder

3:00 p.m.
Modulation Spaces, BMO, BLT, and Rectangular Partial Sums.
Christopher Heil*, Georgia Tech
Alex M. Powell, Vanderbilt University
Ramazan Tinaztepe, Alabama A&M University
(10804281)

3:30 p.m.
The HRT Conjecture for certain rapidly decaying functions.
Marcin Bownik, University of Oregon
Darrin Speegle*, Saint Louis University
(108042190)

4:00 p.m.
Nonlinear Wiener's lemma and its application to a sampling problem.
Qiyu Sun*, University of Central Florida
(108042113)

4:30 p.m.
Diagram vectors and Tight Frame Scaling in Finite Dimensions.
M S Copenhaver, Georgia Institute of Technology
Y Kim*, Central Michigan University
C Logan, Stonehill College
K Mayfield, University of Portland
S K Narayan, Central Michigan University
J Sheperd, University of Notre Dame
(108015296)

5:00 p.m.
Optimal Dual Frames with respect to Spectral Radius Measure.
Saliha Pehlivan*, University of Central Florida
(108000195)

Sunday March 18, 2012, 3:00 p.m.5:50 p.m.
Special Session on Computable Mathematics (in honor of Alan Turing), IV
Room 220, Funger Hall
Organizers:
Douglas Cenzer, University of Florida
Valentina Harizanov, George Washington University harizanv@gwu.edu
Russell Miller, Queens College and Graduate Center  CUNY

3:00 p.m.
Computing maximal chains in wpos.
Alberto Marcone, Dipartimento di Matematica e Informatica, Università di Udine
Antonio Montalbán, Department of Mathematics, University of Chicago
Richard A Shore*, Department of Mathematics, Cornell University
(108003164)

3:30 p.m.
Degrees that are not degrees of categoricity.
Bernard Anderson, Gordon College
Barbara F Csima*, University of Waterloo
(108003297)

4:00 p.m.
Shift Complex Reals.
Denis R. Hirschfeldt, University of Chicago
Asher M. Kach*, University of Chicago
(108003322)

4:30 p.m.
Partial Degree Spectra.
Alexandra A. Soskova*, Sofia University
(108003291)

5:00 p.m.
Jump degrees of torsion free abelian groups.
Brooke M Andersen, Assumption College
Asher M Kach, University of Chicago
Alexander G Melnikov, University of Auckland
Reed Solomon*, University of Connecticut
(108003218)

5:30 p.m.
Turing degrees of isomorphic types of nonassociative structures.
Kai Maeda*, George Washington University
(108003318)

Sunday March 18, 2012, 3:00 p.m.5:50 p.m.
Special Session on Convex and Discrete Geometry, IV
Room 207, Funger Hall
Organizers:
Jim Lawrence, George Mason University
Valeriu Soltan, George Mason University vsoltan@gmu.edu

3:00 p.m.
On fair partitions of polygons.
Andras Bezdek*, Auburn University, Auburn, AL and Renyi Institute of Mathematics, Budapest, Hungary
(108052350)

3:30 p.m.
Restrictions on linear isomorphisms between spaces of smooth functions on compact manifolds.
Geoff Diestel, Texas A&M University  Central Texas
Ralph Howard*, University of South Carolina
(108046199)

4:00 p.m.
A Surprising Geometric Transformation.
Dan P Ismailescu*, Hofstra University
(108052342)

4:30 p.m.
Hompolytopes between regular polytopes.
J. Gubeladze, San Francisco State University
Jack Edward Love*, San Francisco State University
(108052108)

5:00 p.m.
Centrally symmetric polytopes with many faces.
Seung Jin Lee*, University of Michigan
Alexander Barvinok, University of Michigan
Isabella Novik, University of Washington
(108052273)

5:30 p.m.
When is the product of two Davis matrices a Davis matrix?
Jim Lawrence*, George Mason University
(108052247)

Sunday March 18, 2012, 3:00 p.m.4:50 p.m.
Special Session on Dynamics of Complex Networks, IV
Room 353, Monroe Hall
Organizers:
Yongwu Rong, George Washington University rong@gwu.edu
Guanyu Wang, George Washington University
Chen Zeng, George Washington University

3:00 p.m.
Singularity analysis of cell signaling networks reveals connections between complex diseases.
Guanyu Wang*, Department of Physics, George Washington University
(108092155)

3:30 p.m.
Topological and dynamical analysis of the formation and stability of ecological communities.
Colin E. Campbell*, Pennsylvania State University
Suann Yang, Presbyterian College
Katriona Shea, Pennsylvania State University
Reka Albert, Pennsylvania State University
(108092154)

4:00 p.m.
Dissecting interaction map of Plasmodium falciparum with symmetric epistasis estimation.
Yang Huang*, National Center for Biotechnology Information, NLM, NIH
Geoffrey Siwo, Eck Institute for Global Health, Department of Biological Sciences, University of Notre Dame
Stefan Wuchty, National Center for Biotechnology Information, NLM, NIH
Michael T Ferdig, Eck Institute for Global Health, Department of Biological Sciences, University of Notre Dame
Teresa M Przytycka, National Center for Biotechnology Information, NLM, NIH
(108092162)

4:30 p.m.
Informal Discussion

Sunday March 18, 2012, 3:00 p.m.4:50 p.m.
Special Session on Homology Theories Motivated by Knot Theory, IV
Room 113, Monroe Hall
Organizers:
Jozef H. Przytycki, George Washington University przytyck@gwu.edu
Radmila Sazdanovic, University of Pennsylvania
Alexander N. Shumakovitch, George Washington University
Hao Wu, George Washington University

3:00 p.m.
Extending the Dehn quandle to shears and foliations on the torus.
Reza Chamanara, Brooklyn College, CUNY
Jun Hu, Brooklyn College CUNY
Joel Zablow*, Long Island University, Brooklyn Campus
(10805741)

3:30 p.m.
Connected quandles associated with pointed abelian groups.
Masahico Saito*, University of South Florida
W. Edwin Clark, USF
Mohamed Elhamdadi, USF
Xiangdong Hou, USF
Timothy Yeatman, USF
(108057243)

4:00 p.m.
Hom Quandles.
Alissa S. Crans*, Loyola Marymount University
Sam Nelson, Claremont McKenna College
Louis H. Kauffman, University of Illinois at Chicago
(108057110)

4:30 p.m.
MayerVietoris sequence for homology of multispindles.
Krzysztof K Putyra*, Columbia University
Jozef H Przytycki, George Washington University and Gdansk University
(108018375)

Sunday March 18, 2012, 3:00 p.m.4:50 p.m.
Special Session on Mathematical Methods in Disease Modeling, IV
Room 101, Hall of Government
Organizers:
Shweta Bansal, Georgetown University and National Institutes of Health
Sivan Leviyang, Georgetown University sr286@georgetown.edu

3:00 p.m.
SingleCell Heterogeneity Analysis: a computational methodology to quantify the phenotypic variability of isogenic cells.
Jesse W Cotari, ImmunoDynamics Group  MSKCC
Guillaume Voisinne, ImmunoDynamics Group  MSKCC
Orly Evendar, ImmunoDynamics Group  MSKCC
Volkan Karabacak, ImmunoDynamics group, MSKCC
Grégoire AltanBonnet*, ImmunoDynamics group  MSKCC
(108092309)

3:30 p.m.
Discrete Modeling Techniques to Investigate the Innate Immune Response to Respiratory Fungal Pathogens.
Shernita Lee*, Virginia Polytechnic Institute and State University
Kahmya McAlpin, Oakwood University
Leslie Myint, Johns Hopkins University
John Nardini, North Carolina State University
Christopher Lawrence, Virginia Bioinformatics Institute
Reinhard Laubenbacher, Virginia Bioinformatics Institute
(108092166)

4:00 p.m.
Discussion

4:30 p.m.
HIV Infection and Random Partitions.
Sivan Leviyang*, Georgetown University
(108092267)

Sunday March 18, 2012, 3:00 p.m.5:50 p.m.
Special Session on Mathematics Applied in the Sciences: From Statistics to Topology, IV
Room 102, Hall of Government
Organizers:
James Carroll, Los Alamos National Laboratory
Hanna Makaruk, Los Alamos National Laboratory hanna_m@lanl.gov
Robert Owczarek, Enfitek, Inc. and University of New Mexico

Sunday March 18, 2012, 3:00 p.m.5:20 p.m.
Special Session on Matroid Theory, IV
Room 208, Funger Hall
Organizers:
Joseph E. Bonin, George Washington University jbonin@gwu.edu
Sandra Kingan, Brooklyn College

3:00 p.m.
Large minors and circumference of 3connected cographic matroids.
Guoli Ding, Louisiana State University
Stan Dziobiak, University of Mississippi
Haidong Wu*, University of Mississippi
(108005140)

3:30 p.m.
On minimally $k$connected matroids.
Xiangqian Joe Zhou*, Wright State University
(108005214)

4:00 p.m.
Matroids, greedoids and the Tutte polynomial.
Gary Gordon*, Lafayette College
(108005138)

4:30 p.m.
Strong Splitter Theorem.
Sandra Kingan*, Brooklyn College, CUNY
Manoel Lemos, Universidade Federal de Pernambuco
(108005261)

5:00 p.m.
Complementary matroid Whitney numbers.
Thomas Zaslavsky*, Binghamton University (SUNY)
(108005363)

Sunday March 18, 2012, 3:00 p.m.5:20 p.m.
Special Session on Nonlinear Dispersive Equations, IV
Room 222, Funger Hall
Organizers:
Manoussos Grillakis, University of Maryland
Justin Holmer, Brown University
Svetlana Roudenko, George Washington University roudenko@gwu.edu

3:00 p.m.
Asymptotic Behavior of Solutions to the Liquid Crystal Systems in $\mathbb{R}^3$.
Mimi Dai*, University of California, Santa Cruz
Jie Qing, University of California, Santa Cruz
Maria Schonbek, University of California, Santa Cruz
(108035107)

3:30 p.m.
$C^3$ illposedness of the gravitycapillary equations.
Ming Chen, University of Pittsburgh
Jeremy L Marzuola*, University of North Carolina, Chapel Hill
Daniel Spirn, University of Minnesota
J Douglas Wright, Drexel University
(10803558)

4:00 p.m.
The Rigorous Derivation of the 2d Cubic NLS with Anisotropic Switchable Quadratic Traps.
Xuwen Chen*, University of Maryland
(108035170)

4:30 p.m.
BoseEinstein condensation beyond mean field: Manybody bound state of periodic microstructure.
Dionisios Margetis*, Department of Mathematics, University of Maryland, College Park
(10808156)

5:00 p.m.
Second order corrections to mean field evolution of weakly interacting bosons.
M N Grillakis, University of Maryland
M Machedon*, University of Maryland
D Margetis, University of Maryland
(10803599)

Sunday March 18, 2012, 3:00 p.m.4:50 p.m.
Special Session on Optimization: Theory and Applications, IV
Room 104, Hall of Government
Organizers:
Roman Sznajder, Bowie State University rsznajder@bowiestate.edu

Sunday March 18, 2012, 3:00 p.m.5:45 p.m.
Special Session on The Legacy of Göedel's Second Incompleteness Theorem for the Foundations of Mathematics, IV
Room 221, Funger Hall
Organizers:
Karim J. Mourad, Georgetown University kjm57@Georgetown.edu

Sunday March 18, 2012, 3:00 p.m.5:20 p.m.
Special Session on Tilings, Substitutions, and BratteliVershik Transformations, IV
Room 352, Monroe Hall
Organizers:
E. Arthur Robinson, George Washington University robinson@gwu.edu
Boris Solomyak, University of Washington

3:00 p.m.
Metric considerations on the tiling space.
Antoine Julien*, University of Victoria / Pacific Institute for the Mathematical Sciences
(108005354)

3:30 p.m.
Maximal equicontinuous factors and cohomology for tiling spaces.
Scott Schmieding*, University of Maryland
Johannes Kellendonk, Institut Camille Jordan
Marcy Barge, Montana State University
(108037176)

4:00 p.m.
Ordered cohomology of BratteliVershik transformations, beyond dimension groups.
Mike Boyle*, University of Maryland
(108037236)

4:30 p.m.
The structure and spectrum of Heisenberg odometers.
Samuel Lightwood, Western Connecticut State University
Ayşe Şahin*, DePaul University
Ilie Ugarcovici, DePaul University
(108037222)

5:00 p.m.
Topological Mixing Tilings of $\mathbb{R}^2$ Generated by a Generalized Substitution.
Tyler M White*, The George Washington University
(108037255)

Sunday March 18, 2012, 3:15 p.m.4:40 p.m.
Session for Contributed Papers
Room 459, Rome Hall

3:15 p.m.
Abstraction of Math and Art of the Orient and West.
Young Hee Kye*, Kosin University, Korea
(108001317)

3:30 p.m.
A comparison of high and low schools performance in the TIMSS (The Trends in International Mathematics and Science Study.
Abdol'azim  Karimi*, Ministry of education research Institue for Education(RIE)
(10800005)

3:45 p.m.
Assessing the Impact of a Computerbased College Algebra Course.
Ningjun Ye*, University of Southern Mississippi
Sherry Herron, University of Southern Mississippi
(10809712)

4:00 p.m.
A new approach on implementing the Elliptic Curve Scalar Multiplication method in Cryptography.
Vijayarangan Natarajan*, Tata Consultancy Services Ltd (TCS), TCS Innovation Labs, Chennai 600086, India
(10801160)

4:15 p.m.
Distribution of Summands in Generalized Zeckendorf Decompositions, II.
Yinghui Wang*, Columbia University
Steven J Miller, Williams College
(10801108)

4:30 p.m.
On a class of semihereditary crossedproduct orders.
John S. Kauta*, University of Brunei
(10801617)
Inquiries: meet@ams.org