
AMS Sectional Meeting Full Program
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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
Saturday March 17, 2012

Saturday March 17, 2012, 7:30 a.m.4:00 p.m.
Exhibits and Book Sale
Room 267, Monroe Hall

Saturday March 17, 2012, 7:30 a.m.4:00 p.m.
Meeting Registration
Second Floor Foyer, Monroe Hall

Saturday March 17, 2012, 7:30 a.m.10:20 a.m.
Special Session on Structural and Extremal Problems in Graph Theory, I
Room 209, Funger Hall Organizers: Daniel Cranston, Virginia Commonwealth University dcranston@vcu.edu Gexin Yu, College of William & Mary

7:30 a.m.
Rainbow edgecoloring and rainbow domination.
Timothy D. LeSaulnier, University of Illinois  Urbana
Douglas B. West*, University of Illinois  Urbana
(108005241)

8:00 a.m.
On colorings of fractional powers of graphs.
Stephen G. Hartke*, University of NebraskaLincoln
Hong Liu, University of Illinois at UrbanaChampaign
Sarka Petrickova, University of West Bohemia
(108005351)

8:30 a.m.
Improper 2colorings of sparse graphs.
Oleg Borodin, Sobolev Institute of Mathematics, Novosibirsk, Russia
Alexandr Kostochka*, University of Illinois at UrbanaChampaign
(10800587)

9:00 a.m.
$3$flows for $6$edgeconnected graphs.
Carsten Thomassen, Technical University of Denmark
Yezhou Wu, West Virginia University
CunQuan Zhang*, West Virginia University
(108005268)

9:30 a.m.
Some progress on Ohba's Conjecture.
Bruce Reed, McGill University
Jonathan Noel, McGill University
Hehui Wu*, McGill University
(108005347)

10:00 a.m.
The size of edge chromatic critical graphs.
Rong Luo*, Middle Tennessee State University
(10800593)

Saturday March 17, 2012, 8:00 a.m.10:20 a.m.
Special Session on Analysis of Wavelets, Frames, and Fractals, I
Room 352, Rome Hall Organizers: Keri Kornelson, University of Oklahoma kkornelson@ou.edu Judy Packer, University of Colorado Boulder

8:00 a.m.
Multiresolution Analysis and the Mackey Machine.
Lawrence W. Baggett*, University of Colorado
(10804374)

8:30 a.m.
The pathconnectedness of MRA equivalence classes.
Veronika Furst*, Fort Lewis College
Erich A. McAlister, Fort Lewis College
(108042249)

9:00 a.m.
Wavelets with Crystal Symmetry Shifts.
Josh MacArthur*, Dalhousie University
Keith F Taylor, Dalhousie University
(108043106)

9:30 a.m.
Prime tight frames.
Kasso A Okoudjou*, Department of Mathematics, University of Maryland
Jakob Lemvig, Technical University of Denmark, Department of Mathematics
Christopher Miller, Carr Astronautics Corporation
(108042205)

10:00 a.m.
Simple wavelet sets.
Kathy D. Merrill*, Colorado College
(108043185)

Saturday March 17, 2012, 8:00 a.m.10:20 a.m.
Special Session on Computable Mathematics (in honor of Alan Turing), I
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.
Firstorder and Diophantine Undecidability over function fields of positive characteristic.
Alexandra Shlapentokh*, East Carolina University
(108011131)

8:30 a.m.
Classifying $\mathcal{D}$maximal sets.
Peter Cholak, University of Notre Dame
Peter Gerdes, Cambridge, MA
Karen Lange*, Wellesley College
(108003301)

9:00 a.m.
Weakening computability to classify $\Pi^0_1$ subshifts.
Sebastian Wyman*, University of Florida
Douglas Cenzer, University of Florida
(108068158)

9:30 a.m.
Computably enumerable partial orders.
Peter Cholak*, Notre Dame
Damir Dzhafarov, Notre Dame
Noah Schweber, UCBerkeley
Richard Shore, Cornell
(108003173)

10:00 a.m.
Extensions of the Turing model for relative definability.
Mariya I. Soskova*, Sofia University
(108003278)

Saturday March 17, 2012, 8:00 a.m.10:20 a.m.
Special Session on Convex and Discrete Geometry, I
Room 207, Funger Hall Organizers: Jim Lawrence, George Mason University Valeriu Soltan, George Mason University vsoltan@gmu.edu

8:00 a.m.
One the unit ball and isoperimetrix in Minkowski spaces.
Zokhrab Mustafaev*, University of HoustonClear Lake, USA
Horst Martini, University of Technology Chemnitz, Germany
(10805239)

8:30 a.m.
On foams with convex cells each containing a unit ball.
Karoly Bezdek*, University of Calgary
(108052259)

9:00 a.m.
About piercing numbers of affine planes, lines and intervals.
Deborah Oliveros*, Instituto de Matematicas, UNAM
(108052194)

9:30 a.m.
Characterization of Simplices via Measures of Symmetries.
Gabor Toth*, Department of Mathematics, Rutgers University, Camden
(10805242)

10:00 a.m.
Double normals in the plane and on the sphere.
Konrad J Swanepoel*, London School of Economics
(108052216)

Saturday March 17, 2012, 8:00 a.m.10:20 a.m.
Special Session on Difference Equations and Applications, I
Room 251, Monroe Hall Organizers: Michael Radin, Rochester Institute of Technology marsma@rit.edu

8:00 a.m.
Fuzzy passage through a Hopf bifurcation.
Harold M Hastings*, Dept of Physics and Astronomy, Hofstra University
(108039186)

8:30 a.m.
On Rational Difference Equations with Periodic Coefficients, Part 1.
M Drymonis, University of Rhode Island
Y. Kostrov*, Xavier University of Louisiana
Z Kudlak, Mount Saint Mary College
(108039146)

9:00 a.m.
On Rational Difference Equations with Periodic Coefficients, Part 2.
Emmanouil Drymonis, University of Rhode Island
Yevgeniy Kostrov, Xavier University
Zachary Kudlak*, Mount Saint Mary College
(108039147)

9:30 a.m.
Global attractivity in a general class of nonlinear difference equations.
Hassan Sedaghat*, Virginia Commonwealth University
(108039115)

10:00 a.m.
On the Difference Equation $x_{n+1}=x_{n\ell}x_{nk}1$.
Candace Marie Kent*, Virginia Commonwealth University
Witold Kosmala, Appalacian State University
(108039142)

Saturday March 17, 2012, 8:00 a.m.10:20 a.m.
Special Session on Mathematics Applied in the Sciences: From Statistics to Topology, I
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.
Kauffman bracket skein module of a thickened surface and virtual knots.
Jozef H. Przytycki*, George Washington University and UG
(108057272)

8:30 a.m.
The $\kappa$Poincare Group on the $C^*$algebra level.
Piotr Stachura*, Warsaw University of Life SciencesSGGW
(108020274)

9:00 a.m.
Computing causal relation between events from the set of points where the events are visible at a given time moment.
Vladimir Chernov*,
Stefan Nemirovski, Steklov Mathematical Institut, Moscow Russia and Mathematisches Institut, RuhrUniversitat Bochum, Germany
(10808324)

9:30 a.m.
On the injectivity of the $\kappa$invariant for homotopy links.
Frederick R. Cohen, University of Rochester
Rafal Komendarczyk*, Tulane University
Clayton Shonkwiler, University of Georgia
(108051285)

10:00 a.m.
Clifford algebra is Frobenius algebra  in one way only?
Zbigniew Oziewicz*, Universidad Nacional Autonoma de Mexico Facultad de Estudios Superiores Cuautitlan
(108018383)

Saturday March 17, 2012, 8:00 a.m.10:20 a.m.
Special Session on Matroid Theory, I
Room 208, Funger Hall Organizers: Joseph E. Bonin, George Washington University jbonin@gwu.edu Sandra Kingan, Brooklyn College

Saturday March 17, 2012, 8:00 a.m.10:20 a.m.
Special Session on Nonlinear Dispersive Equations, I
Room 222, Funger Hall Organizers: Manoussos Grillakis, University of Maryland Justin Holmer, Brown University Svetlana Roudenko, George Washington University roudenko@gwu.edu

Saturday March 17, 2012, 8:00 a.m.10:20 a.m.
Special Session on Relations between the History and Pedagogy of Mathematics, I
Room 206, Rome Hall Organizers: David L. Roberts, Prince George's Community College robertsdl@aol.com Kathleen M. Clark, Florida State University

Saturday March 17, 2012, 8:00 a.m.10:20 a.m.
Special Session on Selforganization Phenomena in Reaction Diffusion Equations, I
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.
Growth Regulation and the Insulin Signaling Pathway.
Peter W Bates*, Mathematics, Michigan State University
Alex Shingleton, Zoology, Michigan State University
Yu Liang, Mathematics, Michigan State University
(108092168)

8:30 a.m.
Model of Inracellular Signaling Pathways.
David Iron*, Dalhousie University
Chris Levy, Dalhousie
(108035217)

9:00 a.m.
Dynamics for an evolution equation describing micro phase separation.
Yoshihito Oshita*, Department of Mathematics, Okayama University
(108035385)

9:30 a.m.
An Isoperimetric Problem with LongRange Interactions.
Ihsan A. Topaloglu*, Indiana University
(108049126)

10:00 a.m.
On a PDE system modeling avian Influenza dynamics in wild birds with spatial heterogeneous environment.
Naveen K. Vaidya, University of Western Ontario
FengBin Wang, University of Western Ontario
Xingfu Zou*, University of Western Ontario
(108035283)

Saturday March 17, 2012, 8:00 a.m.10:20 a.m.
Special Session on Symmetric Functions, Quasisymmetric Functions, and the Associated Combinatorics, I
Room 210, Funger Hall Organizers: Nicholas Loehr, Virginia Tech Elizabeth Niese, Marshall University niese@marshall.edu

8:00 a.m.
Symmetric chain decomposition for cyclic quotients of Boolean algebras.
Patricia Hersh*, North Carolina State University
Anne Schilling, University of California, Davis
(10800547)

8:30 a.m.
A symmetric group representation of the Rees product of the cubical lattice with the chain.
Tricia Muldoon Brown*, Armstrong Atlantic State University
(108005100)

9:00 a.m.
Branching of twisted representations of symplectic groups.
Mahir Bilen Can*, Tulane University
Kursat Aker, Bilgi University
(108005219)

9:30 a.m.
Expansions of $k$Schur functions in the affine nil Coxeter algebra.
Chris Berg*, Lacim, UQAM
Nantel Bergeron, York University
Hugh Thomas, University of New Brunswick
Mike Zabrocki, York University
(10800518)

10:00 a.m.
The Rational Cherednik Algebras of type $G(m,1,2)$ and Solutions to the Classical YangBaxter Equation.
Garrett Johnson*, North Carolina State University
(108016192)

Saturday March 17, 2012, 8:00 a.m.10:15 a.m.
Special Session on The Legacy of Göedel's Second Incompleteness Theorem for the Foundations of Mathematics, I
Room 221, Funger Hall Organizers: Karim J. Mourad, Georgetown University kjm57@Georgetown.edu

Saturday March 17, 2012, 8:00 a.m.10:20 a.m.
Special Session on Topics in Geometric Analysis and Complex Analysis, I
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

Saturday March 17, 2012, 8:30 a.m.10:20 a.m.
Special Session on Dynamics of Complex Networks, I
Room 353, Monroe Hall Organizers: Yongwu Rong, George Washington University rong@gwu.edu Guanyu Wang, George Washington University Chen Zeng, George Washington University

8:30 a.m.
Steady state analysis of Boolean network models via a universal class of models.
Alan VelizCuba, Department of Mathematics, University of Nebraska
Kristina Buschur, Kenyon College
Rose Hamershock, Muhlenberg College
Ariel Kniss, Georgia Tech
Esther Wolff, Columbia University
Reinhard Laubenbacher*, Virginia Bioinformatics Institute at Virginia Tech
(10809266)

9:00 a.m.
Modeling biological networks with functions with canalyzing properties.
Elena S Dimitrova*, Clemson Unniversity
(108037288)

9:30 a.m.
Boolean and hybrid dynamic modeling of the TLGL leukemia signaling network.
Assieh Saadatpour*, Pennsylvania State UniversityUniversity Park
Reka Albert, Pennsylvania State UniversityUniversity Park
(108092188)

10:00 a.m.
Dynamics and Topology of Boolean Networks.
Yongwu Rong*, The George Washington University
Rahul Simha, The George Washington University
Guanyu Wang, The George Washington University
Chen Zeng, The George Washington University
(108092366)

Saturday March 17, 2012, 8:30 a.m.10:20 a.m.
Special Session on Homology Theories Motivated by Knot Theory, I
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

Saturday March 17, 2012, 8:30 a.m.10:20 a.m.
Special Session on Optimization: Theory and Applications, I
Room 104, Hall of Government Organizers: Roman Sznajder, Bowie State University rsznajder@bowiestate.edu

Saturday March 17, 2012, 8:30 a.m.10:20 a.m.
Special Session on Tilings, Substitutions, and BratteliVershik Transformations, I
Room 352, Monroe Hall Organizers: E. Arthur Robinson, George Washington University robinson@gwu.edu Boris Solomyak, University of Washington

Saturday March 17, 2012, 8:30 a.m.10:10 a.m.
Session for Contributed Papers
Room 459, Rome Hall

8:30 a.m.
On the existence of graphs with homogeneous neighborhood labeling.
Sulyoung Choi*, Le Moyne College, Syracuse, NY
Puhua Guan, Dept of Math, University of Puerto Rico, Rio Piedras, Puerto Rico 00931
(10800586)

8:45 a.m.
Strong matching preclusion for the alternating group graphs and splitstars.
Philip Bonneville, Oakland University Summer Mathematics Institute
Eddie Cheng, Oakland University
Joseph Renzi*, University Liggett School
(10800591)

9:00 a.m.
Embedding graphs in cylinder and torus books.
Shannon Overbay*, Gonzaga University
(108005148)

9:15 a.m.
Compatible circuits in eulerian digraphs.
James M. Carraher*, University of NebraskaLincoln
Stephen G. Hartke, University of NebraskaLincoln
(108005182)

9:30 a.m.
On 1improper 2coloring of sparse graphs.
Oleg Borodin, Sobolev Institute of Mathematics and Novosibirsk State University
Alexandr Kostochka, University of Illinois at UrbanaChampaign and Sobolev Institute of Mathematics
Matthew Yancey*, University of Illinois at UrbanaChampaign
(108005187)

9:45 a.m.
Representing Asteroidal Sets on Subdivisions of $K_{1,n}$.
Adam J Gilbert*, University of Rhode Island
(10800553)

10:00 a.m.
Finite structure for graph minor ideals of bounded treewidth.
Yared Nigussie*, East Tennessee State University
(108005300)

Saturday March 17, 2012, 9:00 a.m.10:20 a.m.
Special Session on Mathematical Methods in Disease Modeling, I
Room 101, Hall of Government Organizers: Shweta Bansal, Georgetown University and National Institutes of Health Sivan Leviyang, Georgetown University sr286@georgetown.edu

Saturday March 17, 2012, 10:30 a.m.11:20 a.m.
Invited Address
Deformation spaces of geometric structures.
McCrea Auditorium, Funger Hall
Anna Wienhard*, Princeton University
(10805303)

Saturday March 17, 2012, 1:30 p.m.4:20 p.m.
Special Session on Analysis of Wavelets, Frames, and Fractals, II
Room 352, Rome Hall Organizers: Keri Kornelson, University of Oklahoma kkornelson@ou.edu Judy Packer, University of Colorado Boulder

1:30 p.m.
Pseudodigits and orbits of ergodic transformations related to radix representations.
Eva Curry*, Acadia University
(108011340)

2:00 p.m.
Fourier frames.
Dorin Ervin Dutkay*, University of Central Florida
(10804279)

2:30 p.m.
Fractals Generated by Non Sofic Subshifts.
Eugen Andrei Ghenciu*, East Central University, Ada, Oklahoma
Mario Roy, York University, Toronto, ON
(108037210)

3:00 p.m.
Some properties of an operatorfractal.
Palle Jorgensen, University of Iowa
Keri Kornelson, University of Oklahoma
Karen Shuman*, Grinnell College
(108043299)

3:30 p.m.
Besov spaces on stratified Lie groups and atomic decompositon through representation theory.
Jens Gerlach Christensen*, Tufts University
Azita Mayeli, QCC City University of New York
Gestur Olafsson, Louisiana State University
(108043229)

4:00 p.m.
Selfsimilar operator fractas.
Palle Jorgensen*, University of Iowa
Keri Kornelson, University of Oklahoma
Karen Shuman, Grinnell College
(10804278)

Saturday March 17, 2012, 1:30 p.m.4:20 p.m.
Special Session on Computable Mathematics (in honor of Alan Turing), II
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

1:30 p.m.
Theories of classes of structures.
Antonio Montalban*, University of Chicago
Asher Kach, University of Chicago
(108003328)

2:00 p.m.
Spectra of orderings of groups.
Jennifer Chubb Reimann*, University of San Francisco
(108003346)

2:30 p.m.
Turing Computable Embeddings, $P$groups, and $\Sigma^c_\alpha$ Sentences.
S. M. VanDenDriessche*, University of Notre Dame
(108003326)

3:00 p.m.
Universal computably enumerable equivalence relations.
Uri Andrews, University of WisconsinMadison
Steffen Lempp*, University of WisconsinMadison
Joseph S Miller, University of Wisconsin
Keng Meng Ng, Nanyang Technological University
Luca San Mauro, Scuola Normale Superiore
Andrea Sorbi, University of Siena
(108003324)

3:30 p.m.
Low for Computational Speed.
Robertson Bayer*, UC Berkeley
(108003334)

4:00 p.m.
Degreeinvariant functions and uniform Borel reductions.
Jan S Reimann*, Pennsylvania State University
(108003314)

Saturday March 17, 2012, 1:30 p.m.4:20 p.m.
Special Session on Convex and Discrete Geometry, II
Room 207, Funger Hall Organizers: Jim Lawrence, George Mason University Valeriu Soltan, George Mason University vsoltan@gmu.edu

1:30 p.m.
Minsum $k$flats and minsum hyperspheres in normed spaces.
Horst Martini*, Faculty of Mathematics, University of Technology
(108052103)

2:00 p.m.
Monotone spreads of compact convex sets.
Robert J. MacG. Dawson*, Saint Mary's University
(108052161)

2:30 p.m.
Small containers for large families of sets.
Andras Bezdek, Auburn University
Wlodzimierz Holsztynski, San Francisco, California
Wlodzimierz Kuperberg*, Auburn University
(108052184)

3:00 p.m.
On the search of new affine invariants for convex bodies.
Alina Stancu*, Concordia University
(108052183)

3:30 p.m.
On properties of convex discpolygons.
Ferenc Fodor*, Department of Geometry, Bolyai Institute, University of Szeged, Hungary
(108052323)

4:00 p.m.
Convex surfaces in $\mathbb{R}^n$ with hyperplanar shadowboundaries.
Valeriu Soltan*, George Mason University
(10805244)

Saturday March 17, 2012, 1:30 p.m.4:20 p.m.
Special Session on Difference Equations and Applications, II
Room 251, Monroe Hall Organizers: Michael Radin, Rochester Institute of Technology marsma@rit.edu

1:30 p.m.
Asymptotic stabilization in an optimal control problem with timedelay.
Anatoli F Ivanov*, Pennsylvania State University
Musa A Mammadov, University of Ballarat
Sergei I Trofimchuk, University of Talca
(108039304)

2:00 p.m.
Analysis of a NSFD Scheme for an Oscillator Having Fractional Damping.
Ronald E. Mickens*, Clark Atlanta University
(108034133)

2:30 p.m.
Predator Saturation and Mating Limitation Induced Allee Effects In Pacific Halibut and Atlantic Cod Fisheries.
AbdulAziz Yakubu*, Howard University
Nianpeng Li, Howard University
(108092111)

3:00 p.m.
On the Permanence of discretetime multispecies competition predation system with several delays.
Youssef Naim Raffoul*, University of Dayton
Xinyuan Liao, Shanghai University
Shengfan Zhou, Shanghai Normal University
(10803973)

3:30 p.m.
Distribution of Summands in Generalized Zeckendorf Decompositions, I.
Steven J Miller*, Williams College
Yinghui Wang, Columbia University
(10800509)

4:00 p.m.
Duality for the left and right fractional derivatives.
M Cristina Caputo*, University of Texas
Delfim Torres, University of Aveiro
(10803931)

Saturday March 17, 2012, 1:30 p.m.3:50 p.m.
Special Session on Dynamics of Complex Networks, II
Room 353, Monroe Hall Organizers: Yongwu Rong, George Washington University rong@gwu.edu Guanyu Wang, George Washington University Chen Zeng, George Washington University

1:30 p.m.
Statistical parameter inference in dynamical systems.
Kevin McGoff*, Duke University
(108062336)

2:00 p.m.
Topological pressure and a priori coding sequence density estimation in the human genome.
David Koslicki, Department of Mathematics, Drexel University
Daniel J Thompson*, Department of Mathematics, Penn State
(108037287)

2:30 p.m.
Stochastic Discrete Dynamical Systems.
David Murrugarra*, Department of Mathematics, Virginia Tech
(108092266)

3:00 p.m.
Ranking stability and superstable nodes in complex networks.
Gourab Ghoshal*, Northeastern University and MIT
AlbertLaszlo Barabasi, Northeastern University and Harvard Medical School
(108060167)

3:30 p.m.
From Genotype to Phenotype  network biology approach.
YooAh Kim, NCBI / NLM / NIH
Jozef H Przytycka, GWU
Stefan Wuchty, NCBI / NLM / NIH
Teresa M Przytycka*, NCBI / NLM / NIH
(108092258)

Saturday March 17, 2012, 1:30 p.m.4:20 p.m.
Special Session on Homology Theories Motivated by Knot Theory, II
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

1:30 p.m.
Diagrammatical algebra.
Mikhail Khovanov*, Department of Mathematics, Columbia University
(108081335)

2:00 p.m.
Diagram algebras in Khovanov and Heegaard Floertype homology theories.
Denis Auroux, University of California, Berkeley
J. Elisenda Grigsby, Boston College
Stephan M. Wehrli*, Syracuse University
(108057254)

2:30 p.m.
Khovanov homology for virtual knots.
Heather A Dye*, McKendree University
Louis Kauffman, University of Illinois at Chicago
Aaron Kaestner, North Park University
(108057120)

3:00 p.m.
Duality aspects of Khovanov homology.
Oleg Viro*, Stony Brook University
(108057370)

3:30 p.m.
The Pure Virtual Braid Group is Quadratic.
Peter Lee*, University of Toronto
(108054144)

4:00 p.m.
Picture TQFTs, categorification, and localization.
Benjamin Cooper, University of Virginia
Slava Krushkal*, University of Virginia
(108057223)

Saturday March 17, 2012, 1:30 p.m.4:20 p.m.
Special Session on Mathematical Methods in Disease Modeling, II
Room 101, Hall of Government Organizers: Shweta Bansal, Georgetown University and National Institutes of Health Sivan Leviyang, Georgetown University sr286@georgetown.edu

1:30 p.m.
A mixedstrategy game theoretical approach for infectious disease prevention by social distancing.
Jing Li*, Pennsylvania State University
Timothy C Reluga, Pennsylvania State University
(108092357)

2:00 p.m.
Influenzapneumococcal interaction.
Sourya Shrestha*, Department of Ecology and Evolutionary Biology, and the Center for the Study of Complex Systems, University of Michigan
Betsy Foxman, Department of Epidemiology, University of Michigan
Pejman Rohani, Department of Ecology and Evolutionary Biology, and the Center for the Study of Complex Systems, University of Michigan
(108092292)

2:30 p.m.
Mosquito management in the face of natural selection.
Rana Parshad*, King Abdullah University of Science and Technology
Folashade agusto, Austin Peay State University
(108035276)

3:00 p.m.
The Effect of Male Bisexuality on the Spread of Incurable Sexually Transmitted Diseases.
Evelyn Kamaria Thomas*, Howard University
(108000191)

3:30 p.m.
Exact solution of a Differential Population Game for Social Distancing during an Epidemic.
Timothy C Reluga*, Penn State University
(108091286)

4:00 p.m.
Contact Networks for Modeling Immunizing Infectious Disease Dynamics.
Shweta Bansal*, Georgetown University
(108092251)

Saturday March 17, 2012, 1:30 p.m.4:15 p.m.
Special Session on Mathematics Applied in the Sciences: From Statistics to Topology, II
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

Saturday March 17, 2012, 1:30 p.m.4:20 p.m.
Special Session on Matroid Theory, II
Room 208, Funger Hall Organizers: Joseph E. Bonin, George Washington University jbonin@gwu.edu Sandra Kingan, Brooklyn College

1:30 p.m.
Is the bicycle dimension of a matrix an invariant of the field and the column matroid?
Joseph P.S. Kung*, University of North Texas
(10800594)

2:00 p.m.
Fragility in matroids.
Carolyn Chun*, Victoria University of Wellington
Dillon Mayhew, Victoria University of Wellington
Geoff Whittle,
Stefan van Zwam, Princeton University
(10800523)

2:30 p.m.
Menger's Theorem for Matroids, doubled.
Bert Gerards, Centrum Wiskunde & Informatica Amsterdam; Maastricht University
Tony Huynh, KAIST, South Korea
Stefan H.M. van Zwam*, Princeton University
(108005240)

3:30 p.m.
Nonseparating cocircuits in binary matroids.
Manoel J M S Lemos*, Departamento de Matematica, Universidade Federal de Pernambuco
(108005109)

4:00 p.m.
On sixthrootofunity matroids.
Carolyn Chun, Victoria University Wellington
Dillon Mayhew, Victoria University Wellington
Mike Newman*, University of Ottawa
(108005356)

Saturday March 17, 2012, 1:30 p.m.4:20 p.m.
Special Session on Nonlinear Dispersive Equations, II
Room 222, Funger Hall Organizers: Manoussos Grillakis, University of Maryland Justin Holmer, Brown University Svetlana Roudenko, George Washington University roudenko@gwu.edu

1:30 p.m.
Virial identity and blowup for the nonabelian ChernSimonsSchrödinger system.
Magdalena Czubak*, Binghamton University (SUNY)
(108035252)

2:00 p.m.
Logarithmictype scaling of the collapse of KellerSegel equation.
Sergey A Dyachenko, Department of Mathematics and Statistics, University of New Mexico
Pavel M Lushnikov*, Department of Mathematics and Statistics, University of New Mexico
Natalia Vladimirova, Department of Mathematics and Statistics, University of New Mexico
(108035245)

2:30 p.m.
The Dynamics of Perturbations of Minimal Mass Solitons.
J. Marzuola, University of North Carolina, Chapel Hill
S. Raynor*, Wake Forest University
G. Simpson, University of Minnesota
(108035246)

3:00 p.m.
Wellposedness Issues in Degenerate Dispersive Equations.
J. Douglas Wright*, Drexel University Department of Mathematics
(108035206)

3:30 p.m.
Estimates for the Wave Equation with a Rough Potential.
Marius Beceanu, Rutgers University
Michael Goldberg*, University of Cincinnati
(108035200)

4:00 p.m.
Equivariant Schroedinger Maps in 2D with large data.
I Bejenaru*, Univ of Chicago
A Ionescu, Princeton
C Kenig, Univ of Chicago
D Tataru, UC Berkeley
(108035145)

Saturday March 17, 2012, 1:30 p.m.4:20 p.m.
Special Session on Optimization: Theory and Applications, II
Room 104, Hall of Government Organizers: Roman Sznajder, Bowie State University rsznajder@bowiestate.edu

1:30 p.m.
Secondorder Conditions in Constrained Optimization.
Osman Guler*, University of Maryland (UMBC)
(108090143)

2:30 p.m.
A New Local Framework for Constrained Smooth and Nonsmooth Equations.
Francisco Facchinei, University of Rome La Sapienza, Italy
Andreas Fischer*, TU Dresden, Germany
Markus Herrich, TU Dresden, Germany
(10804962)

3:00 p.m.
Multilevel Optimization Methods for Engineering Design and PDEConstrained Optimization.
Stephen G Nash*, George Mason University
(10809026)

3:30 p.m.
Pricing a Contingent Claim Liability Using Asymptotic Analysis for Optimal Investment in Finite Time with Transaction Costs.
Maxim Bichuch*, Princeton University
(10806070)

4:00 p.m.
Spline estimations of constrained functions: Uniform Lipschitz properties.
Jinglai Shen*, Dept. of Math and Statistics, University of Maryland Baltimore County
(108090160)

Saturday March 17, 2012, 1:30 p.m.4:20 p.m.
Special Session on Relations between the History and Pedagogy of Mathematics, II
Room 206, Rome Hall Organizers: David L. Roberts, Prince George's Community College robertsdl@aol.com Kathleen M. Clark, Florida State University

1:30 p.m.
Mathematical relations between the USA and Brazil in the Early Post World War II Era.
Ubiratan D'Ambrosio*, UNIBAN/Universidade Bandeirantes de São Paulo
(10800176)

2:30 p.m.
The Education of George Washington.
V. Frederick Rickey*, West Point, the United States Military Academy
Theodore J. Crackel, EditorinChief emeritus, The Papers of George Washington, University of Virginia.
(108001197)

3:00 p.m.
Andrew Ellicott: mathematician, surveyor, teacher.
Florence Fasanelli*, AAAS
(108001189)

3:30 p.m.
Phillip S. Jones: Mathematician, Historian, Educator.
Betty Mayfield*, Hood College
(10800177)

4:00 p.m.
Archimedes, Floating Cylinders, and the "Old Man of the Lake".
Chris Rorres*, University of Pennsylvania
(10800168)

Saturday March 17, 2012, 1:30 p.m.4:20 p.m.
Special Session on Selforganization Phenomena in Reaction Diffusion Equations, II
Room 223, Funger Hall Organizers: Xiaofeng Ren, George Washington University Junping Shi, College of William and Mary shij@math.wm.edu

1:30 p.m.
Fronts propagation for some nonlocal reaction diffusion equations.
Antoine Mellet*, University of Maryland, College Park
(108035213)

2:00 p.m.
Traveling fronts of pyramidal shapes in competitiondiffusion equations.
Masaharu Taniguchi*, Tokyo Institute of Technology
(108035181)

2:30 p.m.
Stochastic Nucleation Dynamics.
Thomas Wanner*, George Mason University
(108035118)

3:00 p.m.
Hopf Bifurcation for Nondensely Defined Cauchy Problems and Applications to a Sizestructured Population Dynamic Model with Random Growth.
Shigui Ruan*, University of Miami
(108035349)

3:30 p.m.
Blow up phenomena for a shadow system of the GiererMeinhardt model.
Fang Li, Center for Partial Differential Equations, East China Normal University
Nugn Kwan Yip*, Purdue University
(108035298)

4:00 p.m.
Pattern formation induced by delay and diffusion in a delayed reactiondiffusion Schnakenberg System.
Fengqi Yi*, Associate Professor, Department of Applied Mathematics, Harbin Engineering University, China
Eamonn A Gaffney, Lectureship, Oxford University,UK
Seirin Lee, RIKEN, Japan
Philip K Maini, Professor, Oxford University, UK
(108035125)

Saturday March 17, 2012, 1:30 p.m.4:20 p.m.
Special Session on Structural and Extremal Problems in Graph Theory, II
Room 209, Funger Hall Organizers: Daniel Cranston, Virginia Commonwealth University dcranston@vcu.edu Gexin Yu, College of William & Mary

1:30 p.m.
The k edgedisjoint paths problem in digraphs with bounded independence number.
Alexandra Ovetsky Fradkin*, IDACenter for Communications Research
Paul D. Seymour, Princeton University
(108005305)

2:00 p.m.
Homeomorphically Irreducible Spanning Trees.
Guantao Chen*, Department of Mathematics and Statistics, Georgia State University
Songling Shan, Department of Mathematics and Statistics, Georgia State University
(108005282)

2:30 p.m.
Knots and torus graphs.
D. Christopher Stephens*, Middle Tennessee State University
(108005380)

3:00 p.m.
Degrees in Edge Colored Graphs.
Garth Isaak*, Lehigh University
(108005293)

3:30 p.m.
On Vizing's 2Factor Conjecture.
Nick Zhao*, University of Central Florida
(10800590)

4:00 p.m.
On Chorded Cycles.
Ronald J. Gould*, Emory University
(108005153)

Saturday March 17, 2012, 1:30 p.m.4:20 p.m.
Special Session on Symmetric Functions, Quasisymmetric Functions, and the Associated Combinatorics, II
Room 210, Funger Hall Organizers: Nicholas Loehr, Virginia Tech Elizabeth Niese, Marshall University niese@marshall.edu

1:30 p.m.
Shuffles of Permutations.
Camillia Smith Barnes*, Sweet Briar College
(108005235)

2:00 p.m.
Between quasisymmetric and symmetric functions.
Aaron Lauve, Loyola University  Chicago
Sarah Mason*, Wake Forest University
(108005215)

2:30 p.m.
On quasisymmetric expansions.
Gregory S. Warrington*, University of Vermont
(108005226)

3:00 p.m.
The combinatorics of the HMZ operators applied to Schur functions.
Jeffrey Remmel, University of California, San Diego
Meesue Yoo*, Korea Institute for Advanced Study
(10800557)

3:30 p.m.
Colored quasisymmetric and noncommutative Schur functions.
Kurt W. Luoto*, Odenton, MD
(10800550)

4:00 p.m.
Hopf algebras, supercharacters and symmetric functions in noncommuting variables.
Marcelo Aguiar, University of Texas A&M
Carlos Andre, University of Lisbon
Carolina Benedetti, York University
Nantel Bergeron, York University
Zhi Chen, York University
Persi Diaconis, Stanford University
Anders Hendrickson, Concordia College
Samuel Hsiao, Bard College
Huilan Li*, Drexel University
(108005364)

Saturday March 17, 2012, 1:30 p.m.4:15 p.m.
Special Session on The Legacy of Göedel's Second Incompleteness Theorem for the Foundations of Mathematics, II
Room 221, Funger Hall Organizers: Karim J. Mourad, Georgetown University kjm57@Georgetown.edu

Saturday March 17, 2012, 1:30 p.m.4:20 p.m.
Special Session on Tilings, Substitutions, and BratteliVershik Transformations, II
Room 352, Monroe Hall Organizers: E. Arthur Robinson, George Washington University robinson@gwu.edu Boris Solomyak, University of Washington

1:30 p.m.
The Spectrum of the Weakly Coupled Fibonacci Hamiltonian.
David Damanik*, Rice University
(10803764)

2:00 p.m.
Revisit aperiodic tiles of Ammann.
Shigeki Akiyama*, Niigata University, Japan
(108052279)

2:30 p.m.
Asymptotic structures for Penrose, Tübingen and octagon tilings.
M Barge, Montana State University
Robert F Williams*, University of Texas, Austin
(108037130)

3:00 p.m.
NonPisot substitutions from RID and quasiperiodic tilings.
Maki Furukado*, College of Business Administration, Yokohama National University
Shunji Ito, Graduate School of Natural Science &Technology, Kanazawa Universtiy
(108037275)

3:30 p.m.
Orders whose Vershik maps are odometers.
Reem Yassawi*, Dept of Mathematics, Trent University
Sergey Bezuglyi, Institute for low tempertaure physics, Kharkov, Ukraine
Jan Kwiatkowski, University of Warmia and Mazury, Poland
(108037289)

4:00 p.m.
Markov partitions in the nonunimodular case.
Bernd Sing*, University of the West Indies, Cave Hill, Barbados
(108037359)

Saturday March 17, 2012, 1:30 p.m.4:20 p.m.
Special Session on Topics in Geometric Analysis and Complex Analysis, II
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

1:30 p.m.
Gluing constructions of embedded doubly periodic minimal surfaces.
Peter Connor*, Indiana University South Bend
Kevin Li, Indiana University
(10805369)

2:00 p.m.
Bounded Geometry and Families of Meromorphic Functions.
Tao Chen*, the Graduate Center, the City University of New York
Yunping Jiang, Qeens College, the Grduate Center, CUNY
Linda Keen, Lehman College, the Graduate Center, CUNY
(10803071)

2:30 p.m.
A new mean curvature type of hypersurface flow.
Pengfei Guan, McGill University
Junfang Li*, University of Alabama at Birmingham
(108035136)

3:00 p.m.
Type III Ricci flow  investigations.
Mihai Bailesteanu*, University of Rochester
(108053207)

3:30 p.m.
A metric manifestation of holonomy.
Pedro A Solorzano*, UC Riverside
(10805192)

4:00 p.m.
Evolution of geometric invariants along grafting rays.
R. Laverdiere*, Rice University
(108053262)

Saturday March 17, 2012, 2:00 p.m.4:25 p.m.
Session for Contributed Papers
Room 459, Rome Hall

2:15 p.m.
Modeling screenedrefuge technique in agricultural pest control using semidiscrete modeling.
Jemal MohammedAwel*, Valdosta State University
(108092123)

2:30 p.m.
Study on moving boundary problem during convective freezing with energy generation.
Sushil Kumar*, S. V. National Institute of Technology Surat, Gujarat, India
(10808055)

2:45 p.m.
He's frequency formulation for higherorder nonlinear oscillators and nonlinear oscillator with discontinuous.
Waseem Asghar Khan*, CIIT, Islamabad
(10806520)

3:00 p.m.
Numerical algorithms to solve an integrodifferential equation arising from viscoelasticity.
Shishen Xie*, University of HoustonDowntown
(108065337)

3:15 p.m.
The role of the adiabatic region in a steady liquid flow in designing micro heat pipes.
Mulugeta Markos*, North Carolina Wesleyan College
(108076127)

3:30 p.m.
Intrinsic supersmoothness of multivariate splines.
Tatyana Sorokina*, Towson University, Towson, MD
(108041159)

3:45 p.m.
Degree of Approximation of Lupas Operators at points of discontinuity.
R. N. Mohapatra*, University of Central Florida
(108041307)

4:00 p.m.
Stochastic Modeling for Executive Compensation.
Tim S.T. Leung*, Columbia University
(10806006)

4:15 p.m.
Risk Premia and Optimal Liquidation of Defaultable Securities.
Peng Liu*, Applied Mathematics and Statistics Department, Johns Hopkins University, Baltimore, MD 21218
Tim Leung, IEOR Department, Columbia University, New York, NY 10027
(10804907)

Saturday March 17, 2012, 5:00 p.m.5:50 p.m.
Einstein Public Lecture in Mathematics
Cloaking: Science meets sciencefiction.
McCrea Auditorium, Funger Hall
Gunther Uhlmann*, University of California, Irvine and University of Washington
(10803501)

Saturday March 17, 2012, 6:00 p.m.7:00 p.m.
Einstein Lecture Reception
Funger Hall Lobby, Funger Hall
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

