
AMS Sectional Meeting Program by Day
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Fall Eastern Sectional Meeting
Temple University, Philadelphia, PA
October 1213, 2013 (Saturday  Sunday)
Meeting #1093
Associate secretaries:
Steven H. Weintraub, AMS shw2@lehigh.edu
Saturday October 12, 2013

Saturday October 12, 2013, 7:30 a.m.4:00 p.m.
Exhibit and Book Sale
Room 409, Tuttleman Learning Center

Saturday October 12, 2013, 7:30 a.m.4:00 p.m.
Meeting Registration
Lobby, Tuttleman Learning Center

Saturday October 12, 2013, 8:00 a.m.10:50 a.m.
Special Session on Contact and Symplectic Topology, I
Room 300, Tuttleman Learning Center Organizers: Joshua M. Sabloff, Haverford College jsabloff@haverford.edu Lisa Traynor, Bryn Mawr College ltraynor@brynmawr.edu

Saturday October 12, 2013, 8:00 a.m.10:50 a.m.
Special Session on Difference Equations and Applications, I
Room 409, Barton B Organizers: Michael Radin, Rochester Polytechnic Institute marsma@rit.edu Faina Berezovskaya, Howard University

8:00 a.m.
Stochastic difference equation models for extinction or collapse.
Harold M Hastings*, Hofstra Univ, Hempstead, NY and Simon's Rock, Great Barrington, MA
(109339301)

8:30 a.m.
The Class of AntiCompetitive Systems Of Two, FirstOrder, Rational Linear Difference Equations.
Chris D Lynd*, Bloomsburg University
(109339127)

9:00 a.m.
Rational Systems: Facts, Open Problems, and Conjectures.
Emmanouil Drymonis*, Department of Mathematics and Computer Science, Providence College
(109339235)

9:30 a.m.
Systems of related of piecewise linear difference equations.
Evelina Lapierre*, Johnson & Wales University
Wirot Tikjha, Pibulsongkram Rajabhat University
Ed Grove, University of Rhode Island
(109339268)

10:00 a.m.
Fine Classification of Minimal Orbits of the Continuous Endomorphisms on the Real Line and Universality in Chaos.
Almas U. Abdulla, Massachusetts Institute of Technology
Rashad U. Abdulla, University of Pennsylvania
Ugur G. Abdulla*, Florida Institute of Technology
(109337201)

10:30 a.m.
Two Types of Strange Attractors in Exponentially Decaying Dynamics.
Yogesh Joshi*, Kingsborough Community College
Denis Blackmore, New Jersey Institute of Technology
(109337214)

Saturday October 12, 2013, 8:00 a.m.10:45 a.m.
Special Session on Geometric Aspects of Topology and Group Theory, I
Room 304, Tuttleman Learning Center Organizers: David Futer, Temple University dfuter@temple.edu Ben McReynolds, Purdue University

Saturday October 12, 2013, 8:00 a.m.10:45 a.m.
Special Session on Geometric and Spectral Analysis, I
Room 305, Barton B Organizers: Thomas Krainer, Pennsylvania State Altoona krainer@psu.edu Gerardo A. Mendoza, Temple University

Saturday October 12, 2013, 8:00 a.m.10:45 a.m.
Special Session on Higher Structures in Algebra, Geometry and Physics, I
Room 400, Tuttleman Learning Center Organizers: Jonathan Block, University of Pennsylvania Vasily Dolgushev, Temple University vald@temple.edu Tony Pantev, University of Pennsylvania

Saturday October 12, 2013, 8:00 a.m.10:50 a.m.
Special Session on Mathematical Biology, I
Room 308, Barton B Organizers: Isaac Klapper, Temple University klapper@temple.edu Kathleen Hoffman, University of Maryland, Baltimore County Robert Manning, Haverford College

8:00 a.m.
Monte Carlo simulations of DNA cyclization using a rigidbase model and mechanical properties derived from molecular dynamics.
Robert S Manning*, Haverford College
(109392348)

8:30 a.m.
Standing patterns in a neural field model with nonsaturating gains.
Yixin Guo*, Department of Mathematics, Drexel University
Dennis Yang, Department of Mathematics, Drexel University
(109334321)

9:00 a.m.
The neural dynamics of (almost) optimal decisions.
Samuel F Feng*, Princeton University
(109360299)

9:30 a.m.
Bifurcations for a predatorprey model in the context of fisheries.
Michael Crone, George Mason University
Evelyn Sander*, George Mason University
(109392210)

10:00 a.m.
Modeling Early HIV Infection.
Sivan Leviyang*, Georgetown University
(109392122)

10:30 a.m.
Understading Calcium Regulation Via Mathematical Modeling.
Talitha M Washington*, Howard University
(109392382)

Saturday October 12, 2013, 8:00 a.m.10:50 a.m.
Special Session on Modular Forms and Modular Integrals in Memory of Marvin Knopp, I
Room 402, Tuttleman Learning Center Organizers: Helen Grundman, Bryn Mawr College Wladimir Pribitkin, College of Staten Island and the Graduate Center, City University of New York Wladimir.Pribitkin@csi.cuny.edu

8:00 a.m.
Unimodularity of roots of period polynomials of Hecke eigenforms.
Wissam Raji*, American University of Beirut
Ahmad El Guindy, Cairo Univeristy
(10931129)

8:30 a.m.
Semistable reduction implies minimality of the resultant.
Lucien Szpiro, CUNY Graduate Center
Michael Tepper*, Penn State Abington
Phillip Williams, The King's College
(109311162)

9:00 a.m.
Atkin and SwinnertonDyer congruences for noncongruence modular forms Preliminary report.
WenChing Winnie Li*, Penn State University, USA and National Center for Theoretical Sciences, Taiwan
(109311139)

9:30 a.m.
A transformation formula for a certain kind of Eisenstein series in aerodynamic interference calculations.
Takumi Noda*, College of Engineering, Nihon University,
(109311141)

10:00 a.m.
$p$adic analytic twists and strong subconvexity (joint work with Valentin Blomer).
Djordje Milićević*, Bryn Mawr College
(109311233)

10:30 a.m.
On Zagier's adele.
Pavel Guerzhoy*, University of Hawaii at Manoa
(109311135)

Saturday October 12, 2013, 8:00 a.m.10:45 a.m.
Special Session on Nonlinear Elliptic and Wave Equations and Applications, I
Room 400, Barton B Organizers: Nsoki Mavinga, Swarthmore College nmaving1@swarthmore.edu Doug Wright, Drexel University

8:00 a.m.
Diffusive logistic equation with negative density dependent emigration on the boundary.
Jerome Goddard II*, Auburn University Montgomery
R. Shivaji, University of North Carolina Greensboro
(109335288)

8:30 a.m.
Existence of positive solutions for a class of superlinear semipositone systems.
Maya Chhetri*, UNC Greensboro
Petr Girg, University of West Bohemia, Pilsen, Czech Republic
(109335153)

9:00 a.m.
The slipstick process for lattice differential equations.
Aaron Hoffman*, Olin College
(109337369)

9:30 a.m.
A semilinear singular SturmLiouville equation involving measure data.
Hui Wang*, Rutgers University
(10933497)

10:00 a.m.
How fast can an invasive species propagate in a wavelike environment?
Jian Fang, Harbin Institute of Technology
Yijun Lou, HongKong Polytechnic University
Jianhong Wu*, York University
(109392337)

Saturday October 12, 2013, 8:00 a.m.10:50 a.m.
Special Session on Partial Differential Equations, Stochastic Analysis, and Applications to Mathematical Finance, I
Room 407, Barton B Organizers: Paul Feehan, Rutgers University feehan@rci.rutgers.edu Ruoting Gong, Rutgers University Camelia Pop, University of Pennsylvania

8:00 a.m.
Bakry meets Villani.
Fabrice Baudoin*, Purdue University
(109335179)

8:30 a.m.
Degenerate diffusions in population genetics.
Charles L Epstein*, University of Pennsylvania
Rafe Mazzeo, Stanford University
(109335372)

9:00 a.m.
The Obstacle Problem for Elliptic Operators in Divergence Form.
Ivan Blank, Kansas State University
Zheng Hao*, Kansas State University
(109335108)

9:30 a.m.
Viscosity solutions of obstacle problems for Fully nonlinear pathdependent PDEs.
Ibrahim Ekren*, University of Southern California
(10936018)

10:00 a.m.
A classical Perron method for existence of smooth solutions to boundary value and obstacle problems for degenerateelliptic operators via holomorphic maps.
Paul M. N. Feehan*, Rutgers, The State University of New Jersey, New Brunswick
(10933534)

10:30 a.m.
Regularity results for the factional Laplacian with drift.
Camelia A Pop*, University of Pennsylvania
Charles L Epstein, University of Pennsylvania
Arshak Petrosyan, Purdue University
(10933574)

Saturday October 12, 2013, 8:00 a.m.10:50 a.m.
Special Session on Recent Developments in Noncommutative Algebra, I
Room 302, Tuttleman Learning Center Organizers: Edward Letzter, Temple University Martin Lorenz, Temple University lorenz@temple.edu

8:00 a.m.
Complete classification of pointed Hopf algebras of dimension $p^2$.
Linhong Wang*, Southeastern Louisiana University
Xingting Wang, The University of Washington
(10931687)

8:30 a.m.
Finitedimensional connected Hopf algebras.
Xingting Wang*, University of Washington
(10931688)

9:00 a.m.
Multiplicative Invariants of Root Lattices.
Jessica A. Hamm*, Temple University
Martin Lorenz, Temple University
(109316138)

9:30 a.m.
The discriminant controls automorphism group of noncommutative algebras.
James J Zhang*, University of Washington
(10931676)

10:00 a.m.
Finite generation behaves differently in negative cohomology.
Van C. Nguyen*, Texas A&M University, College Station, Texas
(109318150)

10:30 a.m.
Twisted Matrix Factorizations.
Ellen E Kirkman*, Wake Forest University
Thomas Cassidy, Bucknell University
Andrew Conner, Wake Forest University
W. Frank Moore, Wake Forest University
(109316160)

Saturday October 12, 2013, 8:00 a.m.10:50 a.m.
Special Session on Representation Theory, Combinatorics and Categorification, I
Room 303, Tuttleman Learning Center Organizers: Corina Calinescu, New York City College of Technology, City University of New York Andrew Douglas, New York City College of Technology and Graduate Center, City University of New York Joshua Sussan, Medgar Evers College, City University of New York joshua.sussan@gmail.com Bart Van Steirteghem, Medgar Evers College, City University of New York

8:00 a.m.
Representations of the Lie Superalgebra gl(m,n).
Jonathan Kujawa*, University of Oklahoma
(109317128)

8:30 a.m.
Categorification of KacMoody Superalgebras.
David Hill*, University of Virginia
Weqiang Wang, University of Virginia
(109320254)

9:00 a.m.
Twoparameter quantum algebras, canonical bases and categorifications.
Zhaobing Fan, University at Buffalo, SUNY
Yiqiang Li*, University at Buffalo, SUNY
(109317247)

9:30 a.m.
A geometric setting for quantum $\mathfrak{osp}(1\vert2)$.
Zhaobing Fan*, University at Buffalo, SUNY
Yiqiang Li, University at Buffalo, SUNY
(109317221)

10:00 a.m.
Unipotent Invariant Matrices.
Mahir Bilen Can, Tulane University
Roger Howe, Yale University
Michael Joyce*, Tulane University
(109314305)

10:30 a.m.
Towers of algebras categorify the Heisenberg double.
Alistair Savage*, University of Ottawa
Oded Yacobi, University of Sydney
(109317168)

Saturday October 12, 2013, 8:00 a.m.10:50 a.m.
Special Session on Several Complex Variables and CR Geometry, I
Room 307, Barton B Organizers: Andrew Raich, University of Arkansas araich@uark.edu Yuan Zhang, Indiana UniversityPurdue University Fort Wayne

Saturday October 12, 2013, 8:00 a.m.10:20 a.m.
Special Session on The Geometry of Algebraic Varieties, I
Room 401, Tuttleman Learning Center Organizers: Karl Schwede, Pennsylvania State University schwede@math.psu.edu Zsolt Patakfalvi, Princeton University

Saturday October 12, 2013, 8:15 a.m.10:55 a.m.
Contributed Paper Session, I
Room 402, Barton B

8:15 a.m.
A numerical method for solving a GoursatCauchy boundary value problem.
Mihaela Cristina Drignei*, University of Pittsburgh at Bradford
(10933542)

8:30 a.m.
On atom expansions of Macdonald polynomials.
Avinash J. Dalal*, Drexel University
(109305358)

8:45 a.m.
$H$linked graphs with prescribed lengths.
Alexander Halperin*, Lehigh University
Colton Magnant, Georgia Southern University
(10930541)

9:00 a.m.
Maximal graphs with a distinguishing partition.
Justin Z Schroeder*, George Mason University
(109305375)

9:15 a.m.
Descents of $\lambda$unimodal cyclic permutations.
Kassie Archer*, Dartmouth College
(109305249)

9:30 a.m.
Jacquet modules and dimensions of spaces of fixed vectors.
Jeffery Breeding*, Fordham University
(10931130)

9:45 a.m.
The Schanuel Subset Conjecture implies the Gelfond Power Tower Conjecture.
Diego Marques, University of Brasilia
Jonathan Sondow*, New York, NY
(109311355)

10:00 a.m.
Explicit formulas for roots of polynomials with coefficients in the ring of padic integers.
Daniel Birmajer, Nazareth Colllege
Juan B Gil, Penn State Altoona
Michael D Weiner*, Penn State Altoona
(109311239)

10:15 a.m.
Factorization of Power Series over the Integers.
Daniel Birmajer*, Nazareth College
Juan Gil, Penn State Altoona
Michael D Weiner, Penn State Altoona
(109313244)

10:30 a.m.
Bounds on the Number of Huffman and BinaryTernary Trees.
A Rao*, Clements High School, Sugar Land, Texas
Y Liu, Liberal Arts and Science Academy, Austin, TX
Y Feng, Memorial High School, Houston , TX
J Shen, Texas State University
(10936809)

10:45 a.m.
Finite Commutative Rings Having a Boolean kth Group of Units.
AbdulNasser ElKassar*, Lebanese American University
Therrar ElKadri, Lebanese International University
(109311340)

Saturday October 12, 2013, 8:30 a.m.10:50 a.m.
Special Session on Analysis and Computing for Electromagnetic Waves, I
Room 309, Barton B Organizers: David Ambrose, Drexel University ambrose@math.drexel.edu Shari Moskow, Drexel University

8:30 a.m.
Scattering of electromagnetic waves by thin, highcontrast dielectrics.
David M. Ambrose*, Drexel Unversity, Department of Mathematics
Shari Moskow, Drexel University, Department of Mathematics
(109335121)

9:00 a.m.
Fokas Integral Equations for Layered Media Scattering.
David Nicholls*, University of Illinois at Chicago
David Ambrose, Drexel University
(109365346)

9:30 a.m.
Fast and efficient numerical methods for eigenproblems with mixed data.
Nilima Nigam*, Simon Fraser University, Burnaby, Canada.
(109335366)

10:00 a.m.
Electromagnetics, Debye sources, and Beltrami fields: Analysis and computation via integral equations.
Michael O'Neil*, Courant Institute, NYU
(109335326)

10:30 a.m.
Matrix Functions and Their Krylov Approximations for Wave Propagation in Unbounded Domains.
Vladimir Druskin*, SchlumbergerDoll Research
Rob Remis, TU Delft
Mikhail Zaslavsky, SchlumbergerDoll Research
(109365228)

Saturday October 12, 2013, 8:30 a.m.10:50 a.m.
Special Session on Combinatorial Commutative Algebra, I
Room 404, Tuttleman Learning Center Organizers: Tái Huy Há, Tulane University Fabrizio Zanello, Massachusetts Institute of Technology and Michigan Technological University zanello@math.mit.edu

8:30 a.m.
An absence of leaves in regularity.
Tài Hà, Tulane University
Russ Woodroofe*, Mississippi State University
(109313359)

9:00 a.m.
Recent Developments in Rational Combinatorics.
Francois Bergeron*, Universite du Quebec a Montreal
(109305176)

9:30 a.m.
Borel ideals, pointed pseudotriangulations, and Catalan numbers.
Christopher A Francisco, Oklahoma State University
Jeffrey Mermin, Oklahoma State University
Jay Schweig*, Oklahoma State University
(109305271)

10:00 a.m.
Normality of Polytopes Arising from Hypergraphs.
Tai Huy Ha, Tulane University
KueiNuan Lin*, Smith College
(109313177)

10:30 a.m.
Integer decomposition property of dilated polytopes.
David A Cox, Amherst College
Christian Haase, GoetheUniversitat
Takayuki Hibi*, Osaka University
Akihiro Higashitani, Osaka University
(10935291)

Saturday October 12, 2013, 8:30 a.m.10:50 a.m.
Special Session on History of Mathematics in America, I
Room 306, Tuttleman Learning Center Organizers: Thomas L. Bartlow, Villanova University Paul R. Wolfson, West Chester University David E. Zitarelli, Temple University zit@temple.edu

Saturday October 12, 2013, 8:30 a.m.10:50 a.m.
Special Session on Meshfree, Particle, and Characteristic Methods for Partial Differential Equations, I
Room 403, Barton B Organizers: Toby Driscoll, University of Delaware Louis Rossi, University of Delaware Benjamin Seibold, Temple University seibold@temple.edu

8:30 a.m.
Visualizing Vorticity: Using BlobFlow to study the inverse cascade.
Louis F Rossi*, University of Delaware
(109365296)

9:00 a.m.
A Lagrangian Volumeoffluid approach for the simulation of turbulent multiphase flows.
Wanjiao Liu, University of Minnesota
Sean C Garrick*, University of Minnesota
(10937639)

9:30 a.m.
Heat transfer characteristics of nano fluid flow over a stationary flat plate under wall suction/blowing.
Fathi M Allan*, United Arab Emirates University, Math. Dept., Al AIn, PO Box 15551, UAE
(109335142)

10:00 a.m.
Comparison study of meshfree methods for viscous flow.
Zhenyu He*, University of Delaware
Lou Rossi, University of Delaware
(109365327)

10:30 a.m.
Meshfree Finite Differences for a Pressure Poisson Equation Reformulation of the NavierStokes Equations with Electric Boundary Conditions.
Benjamin Seibold*, Temple University
Prince Chidyagwai, Loyola University Maryland
Rodolfo Ruben Rosales, Massachusetts Institute of Technology
David Shirokoff, McGill University
Dong Zhou, Temple University
(109365279)

Saturday October 12, 2013, 8:30 a.m.10:50 a.m.
Special Session on Multiple Analogues of Combinatorial Special Numbers and Associated Identities, I
Room 406, Tuttleman Learning Center Organizers: Hasan Coskun, Texas A&M University Commerce hasan.coskun@tamuc.edu

Saturday October 12, 2013, 8:30 a.m.10:20 a.m.
Special Session on Parabolic Evolution Equations of Geometric Type, I
Room 401, Barton B Organizers: Xiaodong Cao, Cornell University Longzhi Lin, Rutgers University Peng Wu, Cornell University wupenguin@math.cornell.edu

8:30 a.m.
Curvature Decay Estimate of Graphical Mean Curvature Flow in Higher Codimensions.
MaoPei Tsui*, Department of Mathematics and Statistics, University of Toledo
(10935395)

9:00 a.m.
Gluing of SelfSimilar Solitons in Mean Curvature Flow.
Niels Martin Møller*, Princeton University
Stephen J Kleene, MIT
Nikolaos Kapouleas, Brown University
(109351285)

9:30 a.m.
Rigidity of Selfshrinkers Asymptotic to Cylinders.
Lu Wang*, Johns Hopkins University
(109353281)

10:00 a.m.
Gradient Estimates and Lower Bound for The Blowup Time of Starshaped Mean Curvature Flow.
Ling Xiao*, Mathematical Sciences Research Institution, Berkeley,CA, 94720
(109335199)

Saturday October 12, 2013, 9:00 a.m.10:50 a.m.
Special Session on Geometric Topology of Knots and 3manifolds, I
Roomn 301, Tuttleman Learning Center Organizers: Abhijit Champanerkar, College of Staten Island and The Graduate Center, City University of New York Ilya Kofman, College of Staten Island and The Graduate Center, City University of New York ikofman@math.csi.cuny.edu Joseph Maher, College of Staten Island and The Graduate Center, City University of New York

9:00 a.m.
A discrete uniformization theorem for polyhedral surfaces.
Feng Luo*, Rutgers University
David Gu, State University of New York, Stony Brook
Jian Sun, Tsinghua University, China
Tianqi Wu, Tsinghua University, China
(109357155)

10:00 a.m.
Stable Commutator Length and Knot Complements.
Tim Susse*, The Graduate Center, CUNY
(109320308)

10:30 a.m.
An Enhanced Prime Decomposition Theorem for Knots.
Matt Mastin*, Wake Forest University
(109357330)

Saturday October 12, 2013, 9:00 a.m.10:50 a.m.
Special Session on Recent Advances in Harmonic Analysis and Partial Differential Equations, I
Room 405, Barton B Organizers: Cristian Gutiérrez, Temple University Irina Mitrea, Temple University imitrea@temple.edu

9:00 a.m.
On a Class of Fully Nonlinear PDEs from Complex Geometry.
Ermanno Lanconelli*, Dipartimento di Matematica, Universita' di Bologna. ITALY
(109335237)

9:30 a.m.
Optimal Regularity and the Free Boundary in the Parabolic Signorini Problem.
Donatella Danielli*, Purdue University
Nicola Garofalo, University of Padova
Arshak Petrosyan, Purdue University
Tung To, New York, NY
(109335317)

10:00 a.m.
Global second derivative estimate for the parallel refractor problema.
Federico Tournier*, IAM CONICET UNLP
(109335307)

10:30 a.m.
Characterization of balls by Coulomb/Newtonpotentials and related stability questions.
Wolfgang Reichel*, Institute for Analysis, Karlsruhe Institute of Technology (KIT), Germany
(109335149)

Saturday October 12, 2013, 11:05 a.m.12:05 p.m.
Invited Address
Welcome remarks.
Room 13, Gladfelter Hall
Normal functions.
Room 13, Gladfelter Hall
Patrick Gerald Brosnan*, University of Maryland
(10931402)

Saturday October 12, 2013, 2:00 p.m.4:50 p.m.
Special Session on Analysis and Computing for Electromagnetic Waves, II
Room 309, Barton B Organizers: David Ambrose, Drexel University ambrose@math.drexel.edu Shari Moskow, Drexel University

2:00 p.m.
Propagation of Pulses in a Lossy Plasma.
Natalie Cartwright*, State University of New York at New Paltz
(109378113)

2:30 p.m.
Evaluation of 2Dperiodic 3D EM scattering at Woodanomaly frequencies.
Stephen Shipman*, Louisiana State University
Oscar Bruno, Cal Tech
Catalin Turc, NJIT
Stephanos Venakides, Duke University
(109365345)

3:00 p.m.
Fast Algorithms for Computing the Effective Dielectric Properties of Cancellous Bone from MicroCT scans.
Miaojung Yvonne Ou*, Department of Mathematical Sciences, University of Delaware
WaiYip Chan, Department of Mathematics, The Chinese University of Hong Kong
YenHsi Richard Tsai, Department of Mathematics and Institute for Computational Engineering and Sciences, The University of Texas at Austin
Seong Jun Kim, Department of Mathematics, The University of Texas at Austin
Luis Cardoso, Department of Biomedical Engineering, The City College of The City University of New York
(109378329)

3:30 p.m.
Boundary Integral Formulation of the Transmission Eigenvalue Problem for Maxwell's Equations.
Fioralba Cakoni*, University of Delaware
(109335266)

4:00 p.m.
Asymptotic Expansions for Transmission Eigenvalues for Media with Small Inhomogeneities.
Shari Moskow*, Drexel University
Fioralba Cakoni, University of Delaware
(109335211)

4:30 p.m.
Topological reduction of the inverse Born series.
John C Schotland*, University of Michigan
(109335265)

Saturday October 12, 2013, 2:00 p.m.4:50 p.m.
Special Session on Combinatorial Commutative Algebra, II
Room 404, Tuttleman Learning Center Organizers: Tái Huy Há, Tulane University Fabrizio Zanello, Massachusetts Institute of Technology and Michigan Technological University zanello@math.mit.edu

2:00 p.m.
Binomial irreducible decomposition.
Thomas Kahle, Universität Magdeburg
Ezra Miller*, Duke University
Christopher O'Neill, Duke University
(109313336)

2:30 p.m.
Markov Bases of Lattice Ideals.
H. Charalambous*, Aristotle University of Thessaloniki
A. Thoma, University of Ioannina
M. Vladoiu, University of Bucharest
(109313284)

3:00 p.m.
Monomial ideals with persistent associated primes.
David Cook II*, University of Notre Dame
(109313118)

3:30 p.m.
Depths of Powers of Edge Ideals of Graphs.
Louiza Fouli, New Mexico State University
Susan Morey*, Texas State University
(109313225)

4:00 p.m.
Cellular resolutions of some artinian level monomial ideals.
Uwe Nagel, University of Kentucky
Augustine O'Keefe*, University of Kentucky
(109313165)

4:30 p.m.
Ramification of Local Rings along Valuations.
Vinh An Pham*, University of MissouriColumbia
(109313209)

Saturday October 12, 2013, 2:00 p.m.4:50 p.m.
Special Session on Contact and Symplectic Topology, II
Room 300, Tuttleman Learning Center Organizers: Joshua M. Sabloff, Haverford College jsabloff@haverford.edu Lisa Traynor, Bryn Mawr College ltraynor@brynmawr.edu

Saturday October 12, 2013, 2:00 p.m.4:50 p.m.
Special Session on Difference Equations and Applications, II
Room 409, Barton B Organizers: Michael Radin, Rochester Polytechnic Institute marsma@rit.edu Faina Berezovskaya, Howard University

2:00 p.m.
Functional difference equationa and inequalities.
Choonkil Park*, Hanyang University, Seoul, Korea
(10933916)

2:30 p.m.
Periodic Solutions and Global Dynamics in a Periodic Differential Delay Equation.
Anatoli F Ivanov*, Department of Matehamtiics, Pennsylvania State University
Sergei I Trofimchuk, Institute of Mathematics and Physics, University of Talca
(109339151)

3:00 p.m.
Patterns of Unbounded Solutions of a delayed maxtype difference equation.
Michael A. Radin*, Rochester Institute of Technology
Candace M. Kent, Virginia Commonwealth University
(109339230)

3:30 p.m.
A Generalization of Fibonacci FarDifference Representations and Gaussian Behavior.
Philippe Demontigny*, Williams College
Thao T Do, Stony Brook University
(109311146)

4:00 p.m.
Generalizing Zeckendorf's Theorem to $f$decompositions.
Umang Varma*, Kalamazoo College, Kalamazoo, MI
Archit U Kulkarni, Carnegie Mellon University, Pittsburgh, PA
Philippe Demontigny, Williams College, Williamstown, MA
Thao Do, Stony Brook University, Stony Brook, NY
Steven J Miller, Williams College, Williamstown, MA
David Moon, Williams College, Williamstown, MA
(109339123)

4:30 p.m.
Mind the Gap: Distribution of Gaps in Generalized Zeckendorf Decompositions.
Steven J. Miller*, Williams College
(109360124)

Saturday October 12, 2013, 2:00 p.m.4:45 p.m.
Special Session on Geometric Aspects of Topology and Group Theory, II
Room 304, Tuttleman Learning Center Organizers: David Futer, Temple University dfuter@temple.edu Ben McReynolds, Purdue University

Saturday October 12, 2013, 2:00 p.m.4:50 p.m.
Special Session on Geometric Topology of Knots and 3manifolds, II
Roomn 301, Tuttleman Learning Center

2:00 p.m.
The geometry of tunnel systems.
David Futer*, Temple University
(109357272)

2:30 p.m.
Regular triangulations and the index of a cusped hyperbolic 3manifold.
Stavros Garoufalidis, Georgia Institute of Technology
Craig D. Hodgson, University of Melbourne
J. Hyam Rubinstein, University of Melbourne
Henry Segerman*, Oklahoma State University
(10935796)

3:00 p.m.
Rank gradient and the JSJ decomposition.
Jason DeBlois*, University of Pittsburgh
Stefan Friedl, Regensburg University
Stefano Vidussi, UC Riverside
(109357208)

3:30 p.m.
Virtual Homological Torsion of Closed Hyperbolic $3$manifolds.
Hongbin Sun*, Princeton University
(109357172)

4:00 p.m.
Hyperbolic 3manifolds of bounded volume and trace field degree.
BoGwang Jeon*, Brown University (ICERM)
(10935726)

4:30 p.m.
A refined upper bound for the hyperbolic volume of alternating links and the colored Jones polynomial.
Oliver Dasbach, Louisiana State University
Anastasiia Tsvietkova*, ICERM, Brown University / University of California  Davis
(109357120)

Saturday October 12, 2013, 2:00 p.m.4:45 p.m.
Special Session on Geometric and Spectral Analysis, II
Room 305, Barton B Organizers: Thomas Krainer, Pennsylvania State Altoona krainer@psu.edu Gerardo A. Mendoza, Temple University

Saturday October 12, 2013, 2:00 p.m.4:45 p.m.
Special Session on Higher Structures in Algebra, Geometry and Physics, II
Room 400, Tuttleman Learning Center Organizers: Jonathan Block, University of Pennsylvania Vasily Dolgushev, Temple University vald@temple.edu Tony Pantev, University of Pennsylvania

Saturday October 12, 2013, 2:00 p.m.4:20 p.m.
Special Session on History of Mathematics in America, II
Room 306, Tuttleman Learning Center Organizers: Thomas L. Bartlow, Villanova University Paul R. Wolfson, West Chester University David E. Zitarelli, Temple University zit@temple.edu

Saturday October 12, 2013, 2:00 p.m.4:50 p.m.
Special Session on Mathematical Biology, II
Room 308, Barton B Organizers: Isaac Klapper, Temple University klapper@temple.edu Kathleen Hoffman, University of Maryland, Baltimore County Robert Manning, Haverford College

2:00 p.m.
Role of linear and voltagedependent ionic currents in the generation of slow wave oscillations.
Amitabha Bose*, New Jersey Institute of Technology
Jorge Golowasch, New Jersey Institute of Technology and Rutgers University at Newark
Farzan Nadim, New Jersey Institute of Technology and Rutgers University at Newark
(109337295)

2:30 p.m.
Distancebased phylogenetic methods near a polytomy.
Ruth E Davidson*, North Carolina State University
Seth Sullivant, North Carolina State University
(109305145)

3:00 p.m.
Exact model reductions for asynchronous boolean networks.
Timothy C Reluga*, Penn State University
(109392133)

3:30 p.m.
A mathematical model for microRNAs in lung cancer.
HyeWon Kang*, University of Maryland at Baltimore County
(109392320)

4:00 p.m.
Model Reduction to One Dimension Directs Discovery of Spontaneous Calcium Waves in a 3D Cardiac Cell.
Bradford E. Peercy*, UMBC
(109392364)

4:30 p.m.
Niche character in a temporally oscillating environment.
Shane Nowack, Department of Mathematical Sciences, Montana State University
Isaac Klapper*, Department of Mathematics, Temple University
Dave Ward, Department of Land Resources and Environmental Sciences, Montana State University
(10939265)

Saturday October 12, 2013, 2:00 p.m.4:20 p.m.
Special Session on Meshfree, Particle, and Characteristic Methods for Partial Differential Equations, II
Room 403, Barton B Organizers: Toby Driscoll, University of Delaware Louis Rossi, University of Delaware Benjamin Seibold, Temple University seibold@temple.edu

2:00 p.m.
Particle Methods for PDEs Arising in Financial Modeling.
Alexander Kurganov*, Tulane University, Mathematics Department
(109365316)

2:30 p.m.
Convergence of a Particle Method and Global Weak Solutions for a Family of Evolutionary PDEs.
Alina Chertock*, North Carolina State University
JianGuo Liu, Duke University
Terrance Pendleton, North Carolina State University
(109335306)

3:00 p.m.
Model equations for jet schemes.
Rodolfo R Rosales*, Massachusetts Institute of Technology
Benjamin Seibold, Temple University
JC Nave, McGill U.
(109335386)

3:30 p.m.
Jet Schemes for HamiltonJacobi Equations Using an Evolveandproject Framework.
Dong Zhou*, Temple University
(109365110)

4:00 p.m.
Fast adaptive multiquadric interpolation.
Quan Deng, University of Delaware
Tobin A. Driscoll*, University of Delaware
(109365300)

Saturday October 12, 2013, 2:00 p.m.4:20 p.m.
Special Session on Modular Forms and Modular Integrals in Memory of Marvin Knopp, II
Room 402, Tuttleman Learning Center Organizers: Helen Grundman, Bryn Mawr College Wladimir Pribitkin, College of Staten Island and the Graduate Center, City University of New York Wladimir.Pribitkin@csi.cuny.edu

2:00 p.m.
Dirichlet Series with Functional Equations and General Singularities.
Austin Daughton*, Temple University
(109311212)

2:30 p.m.
The complete solution of $NX^2+2^L3^M=Y^N$.
Eva G Goedhart*, Bryn Mawr College
Helen G Grundman, Bryn Mawr College
(109311206)

3:00 p.m.
Polyharmonic Maass forms on PSL(2, Z).
Jeffrey C. Lagarias*, University of Michigan
Robert Rhoades, Center for Communications Research
(109311169)

3:30 p.m.
On a secant Dirichlet series and Eichler integrals of Eisenstein series.
Bruce C Berndt, University of Illinois at UrbanaChampaign
Armin Straub*, Max Planck Institute for Mathematics
(109311148)

4:00 p.m.
qseries and quantum modular forms.
Amanda Folsom*, Yale University
Ken Ono, Emory University
Robert C. Rhoades, Stanford University/Center for Communications Research
(109311144)

Saturday October 12, 2013, 2:00 p.m.4:20 p.m.
Special Session on Multiple Analogues of Combinatorial Special Numbers and Associated Identities, II
Room 406, Tuttleman Learning Center Organizers: Hasan Coskun, Texas A&M University Commerce hasan.coskun@tamuc.edu

2:00 p.m.
On the fractal nature of the Fibonomial triangle.
Xi Chen, Dalian University of Technology, P. R. China
Bruce E Sagan*, Michigan State University, USA
(10930517)

2:30 p.m.
A special sequence of rational numbers.
Victor H Moll*, Department of Mathematics, Tulane University, New Orleans, LA 70118
(109311215)

3:00 p.m.
$q$Multinomial Coefficients in the Context of RogersRamanujan Identities.
Kagan Kursungoz*, Sabanci University, Istanbul, Turkey
(10930570)

3:30 p.m.
Remarks on special numbers and their applications.
Yilmaz Simsek*, Akdeniz University AntalyaTurkey
(10931107)

4:00 p.m.
Stirling numbers and Bell numbers for graphs.
Zsófia Kereskényiné Balogh*, University of Vienna
Gábor Nyul, University of Debrecen
(10930514)

Saturday October 12, 2013, 2:00 p.m.4:50 p.m.
Special Session on Nonlinear Elliptic and Wave Equations and Applications, II
Room 400, Barton B Organizers: Nsoki Mavinga, Swarthmore College nmaving1@swarthmore.edu Doug Wright, Drexel University

Saturday October 12, 2013, 2:00 p.m.4:50 p.m.
Special Session on Parabolic Evolution Equations of Geometric Type, II
Room 401, Barton B Organizers: Xiaodong Cao, Cornell University Longzhi Lin, Rutgers University Peng Wu, Cornell University wupenguin@math.cornell.edu

Saturday October 12, 2013, 2:00 p.m.4:50 p.m.
Special Session on Partial Differential Equations, Stochastic Analysis, and Applications to Mathematical Finance, II
Room 407, Barton B Organizers: Paul Feehan, Rutgers University feehan@rci.rutgers.edu Ruoting Gong, Rutgers University Camelia Pop, University of Pennsylvania

2:00 p.m.
Fast and accurate pricing using parabolic inverse Fourier and Laplace transforms, and method of paired contours.
Sergei Levendorskiĭ*, University of Leicester, UK
(109344289)

2:30 p.m.
Monte Carlo Schemes for nonlinear PDE's.
Arash Fahim*, Florida State University
(10933590)

3:00 p.m.
An effective transform method for the computation of the free boundary in an onephase Stefan problem.
Seung Hyun Kim*, Cambridge School of Weston
(10933554)

3:30 p.m.
Optimal Stopping of Switching Diffusions with State Dependent Switching Rates.
Ruihua Liu*, Department of Mathematics, University of Dayton
(109391377)

4:00 p.m.
Greenfunction methods for pricing of options.
Anna L Mazzucato*, Penn State University
Victor Nistor, Penn State University
(10933599)

4:30 p.m.
Time Consistent Portfolio Management.
Traian A Pirvu*, McMaster University
Ivar Ekeland, Paris Dauphine
Oumar Mbodji, McMaster University
(10930080)

Saturday October 12, 2013, 2:00 p.m.4:50 p.m.
Special Session on Recent Advances in Harmonic Analysis and Partial Differential Equations, II
Room 405, Barton B Organizers: Cristian Gutiérrez, Temple University Irina Mitrea, Temple University imitrea@temple.edu

2:00 p.m.
A general jumpformula in the class of tempered distributions.
Dorina Mitrea*, University of Missouri
(109342196)

2:30 p.m.
The Dirichlet and regularity problems for second order elliptic operators with bounded, real, but not necessarily symmetric, coefficients.
Nguyen T Nguyen*, University of Chicago
(109335167)

3:00 p.m.
Decay properties of the IVP for the BenjaminOno equation.
Cythia V Flores*, University of California  Santa Barbara
(109335251)

3:30 p.m.
Quasilinear equations with general structure and divergence data over nonsmooth domains.
Tadele Mengesha*, Penn State University
Nguyen C Phuc, Louisiana State University
(109335236)

4:00 p.m.
The thin onephase free boundary problem.
Daniela De Silva*, Barnard College, Columbia University
(109335255)

4:30 p.m.
The oblique derivative problem without transversality.
Marius Mitrea*, University of Missouri
(109335195)

Saturday October 12, 2013, 2:00 p.m.4:50 p.m.
Special Session on Recent Developments in Noncommutative Algebra, II
Room 302, Tuttleman Learning Center Organizers: Edward Letzter, Temple University Martin Lorenz, Temple University lorenz@temple.edu

2:00 p.m.
Noncommutative algebra and arithmetic groups.
Ted Chinburg*, Dept. of Mathematics, Univ. of Pennsylvania, Philadelphia, PA. 19104
Matthew Stover, Dept. of Mathematics, Temple Univ., Wachman Hall, 1805 N. Broad Street Philadelphia, PA
(10932069)

2:30 p.m.
Orbit closures and rational surfaces.
Frauke M Bleher*, University of Iowa
Ted Chinburg, University of Pennsylvania
Birge HuisgenZimmermann, UC Santa Barbara
(109316114)

3:00 p.m.
Relative Brauer groups of curves.
Rajesh S Kulkarni*, Michigan State University, East Lansing, MI
Aaron D Levin, Michigan State University
(109316164)

3:30 p.m.
Tensor Products of Division Algebras.
David J Saltman*, CCRPrinceton
Louis Rowen, Bar Ilan University
(10931677)

4:00 p.m.
The universal enveloping algebra of the Witt algebra is not noetherian.
Susan J Sierra, University of Edinburgh
Chelsea Walton*, Massachusetts Institute of Technology
(10931681)

4:30 p.m.
Old and New Answers and Problems in Affine Noetherian Rings.
Lance W. Small*, Dept. of Math., UCSD, La Jolla, CA
(109316156)

Saturday October 12, 2013, 2:00 p.m.4:50 p.m.
Special Session on Representation Theory, Combinatorics and Categorification, II
Room 303, Tuttleman Learning Center Organizers: Corina Calinescu, New York City College of Technology, City University of New York Andrew Douglas, New York City College of Technology and Graduate Center, City University of New York Joshua Sussan, Medgar Evers College, City University of New York joshua.sussan@gmail.com Bart Van Steirteghem, Medgar Evers College, City University of New York

2:00 p.m.
ADE classification and the triplet vertex algebra.
Antun Milas*, SUNYAlbany
(109317313)

2:30 p.m.
Vertex tensor categorifications.
YiZhi Huang*, Rutgers University
(109317275)

3:00 p.m.
The vertexalgebraic structure of principal subspaces as categorification.
James Lepowsky*, Rutgers University, Piscataway, NJ
(109317324)

3:30 p.m.
Vertex algebraic structure in integral forms of standard affine Lie algebra modules.
Robert H McRae*, Rutgers, the State University of New Jersey, New Brunswick
(109317352)

4:00 p.m.
Tensor Product Decomposition of $\widehat{\mathfrak{sl}}(n)$ Modules and identities.
Kailash C. Misra*, North Carolina State University
(10931758)

4:30 p.m.
Magic squares of Lie groups.
Tevian Dray*, Department of Mathematics, Oregon State University
John Huerta, Centro de Análise Matemática, Geometria e Sistemas Dinâmicos, Instituto Superior Técnico (Lisboa)
Joshua Kincaid, Department of Physics. Oregon State University
Corinne A. Manogue, Department of Physics, Oregon State University
Aaron Wangberg, Department of Mathematics & Statistics
Robert A. Wilson, School of Mathematical Sciences, Queen Mary University of London
(109317274)

Saturday October 12, 2013, 2:00 p.m.4:20 p.m.
Special Session on Several Complex Variables and CR Geometry, II
Room 307, Barton B Organizers: Andrew Raich, University of Arkansas araich@uark.edu Yuan Zhang, Indiana UniversityPurdue University Fort Wayne

2:00 p.m.
Complex Dynamics with focus on the real part.
John Erik Fornæss*, NTNU
(10933253)

2:30 p.m.
The sharp estimate on the first positive eigenvalue of KohnLaplacian.
Son Duong, University of California at Irvine
SongYing Li*, University of California
Xiaodong Wang, Michigan State University
(10933219)

3:00 p.m.
Partial rigidity of degenerate CR embeddings into spheres.
Peter Ebenfelt*, University of California, San Diego
(109332357)

3:30 p.m.
A New Proof of the Sharp Degree Estimate for Proper Monomial Maps from $\mathbb{B}_2$ to $\mathbb{B}_N$.
Jennifer Halfpap*, University of Montana
(109332315)

4:00 p.m.
Mappings of Infinite Hyperquadrics.
Dusty E Grundmeier*, University of Michigan
Jiri Lebl, Oklahoma State University
Liz Vivas, Purdue University
(109332342)

Saturday October 12, 2013, 2:00 p.m.4:45 p.m.
Special Session on The Geometry of Algebraic Varieties, II
Room 401, Tuttleman Learning Center Organizers: Karl Schwede, Pennsylvania State University schwede@math.psu.edu Zsolt Patakfalvi, Princeton University

Saturday October 12, 2013, 2:00 p.m.4:25 p.m.
Contributed Paper Session, II
Room 402, Barton B

2:00 p.m.
Embeddings of Loop groups and $G$bundles on nodal curves.
Pablo Solis*, University of California Berkeley
(10931448)

2:15 p.m.
Regularity and local monodromy of the noncommutative GaussManin connection.
Dmitry Vaintrob*, Massachusetts Institute of Technology
(109314392)

2:30 p.m.
Solving the YangBaxter Matrix Equation.
J Ding*, University of Southern Mississippi
N Rhee, University of Missouri at Kansas City
C Zhang, University of Southern Mississippi
(10931589)

2:45 p.m.
Derivations of Homotopy Algebras.
Tom Lada*, North Carolina State University
Melissa Tolley, Wingate University
(109318125)

3:00 p.m.
On branching and tensor product decomposition for $G_2$.
Roger Howe, Yale University
Victor Protsak*, SUNY Oswego
(109322360)

3:15 p.m.
Asymptotic Results in Noncompact Semisimple Lie Groups.
Mary Clair C Thompson*, Lafayette College
TinYau Tam, Auburn University
(109322286)

3:30 p.m.
Application of a Sequence to Building Construction.
Hwankyu Song*, CLCChoice Research
Richard Kyung, CLCChoice Research
(109351383)

3:45 p.m.
The helicity invariant and topological strictly contact dynamics.
Peter Spaeth*, Penn State University, Altoona
(10935386)

4:00 p.m.
$k$fold sums.
Chris Hays*, University of Pennsylvania
(109357344)

4:15 p.m.
Shrinkability of Decomposition of $S^n$ Having Arbitrarily Small Neighborhoods with (n1)sphere Frontiers.
Shijie Gu*, Department of Mathematics & Statistics, University of Nevada, Reno
(10935755)

Saturday October 12, 2013, 5:10 p.m.6:00 p.m.
Erdős Memorial Lecture
Arithmetic statistics: Elliptic curves and other mathematical objects.
Room 13, Gladfelter Hall
Barry Mazur*, Harvard University
(10931101)

Saturday October 12, 2013, 6:00 p.m.8:00 p.m.
Erdős Memorial Lecture Reception
Diamond Club, Mitten Hall
Inquiries: meet@ams.org

