
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
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
Inquiries: meet@ams.org

