AMS Sectional Meeting Full Program
Current as of Saturday, October 31, 2009 01:40:03
2009 Fall Eastern Section Meeting
University Park, PA, October 2425, 2009 (Saturday  Sunday)
Meeting #1052
Associate secretaries: Steven H Weintraub, AMS steve.weintraub@lehigh.edu
Saturday October 24, 2009

Saturday October 24, 2009, 7:30 a.m.4:00 p.m.
Registration
Northeast entrance outside Lecture Room 100, Thomas Building 
Saturday October 24, 2009, 7:30 a.m.4:00 p.m.
Exhibit and Book Sale
Second Floor Lobby, Thomas Building 
Saturday October 24, 2009, 8:00 a.m.10:50 a.m.
Special Session on Commutative Algebra and Applications to Algebraic Geometry, I
Room 104, Thomas Building
Organizers:
Janet Striuli, Fairfield University jstriuli@mail.fairfield.edu
Jooyoun Hong, Southern Connecticut State University

8:00 a.m.
Powers versus symbolic powers of ideals.
Brian Harbourne*, University of NebraskaLincoln
(10521388) 
9:30 a.m.
What is  and what is not  a CohenMacaulay ring.
Wolmer Vasconcelos*, Rutgers University
(10521323) 
10:30 a.m.
CohenMacaulayness and the vanishing of Hilbert coefficients.
Laura Ghezzi*, New York City College of Technology  CUNY
(10521320)

8:00 a.m.

Saturday October 24, 2009, 8:00 a.m.10:50 a.m.
Special Session on Nonlinear Waves, I
Room 122, Thomas Building
Organizers:
Bernard Deconinck, University of Washington
Diane Henderson, Pennsylvania State University dmh@math.psu.edu
J. Douglas Wright, Drexel University
David Ambrose, Drexel University

8:00 a.m.
Supercritical surface gravity waves generated by a positive forcingtheory and experiments.
Jeongwhan Choi*, Korea University
ShuMing Sun, Virginia Polytech Institute and State University
SungIm Whang, Ajou University
DalSoo Lee, KORDI
SangHo Oh, KORDI
(105276159) 
8:30 a.m.
El Nino Southern Oscillation as Sporadic Oscillations between Metastable States.
Ma Tian, Sichuan University
Shouhong Wang*, Indiana University
(105286358) 
9:00 a.m.
Rogue waves and Dissipation.
Constance M Schober*, University of Central Florida
(105235359) 
9:30 a.m.
Wave spectrum and breaking wave statistics of growing and mature seas.
Tetsu Hara*, Graduate School of Oceanography, University of Rhode Island
Tobias Kukulka, Woods Hole Oceanographic Institution
(10528694) 
10:00 a.m.
An Experimental Investigation of the Wave Pattern Generated by a Moving Pressure Source: Solitary CapillaryGravity Waves.
J. H. Duncan*, University of Maryland
J. D. Diorio, University of Maryland
(105276195) 
10:30 a.m.
Resonantly Forced GravityCapillary Lumps on Deep Water.
T. R. Akylas*, Department of Mechanical Engineering, MIT
Yeunwoo Cho, Department of Mechanical Engineering, MIT
(105276189)

8:00 a.m.

Saturday October 24, 2009, 8:00 a.m.10:45 a.m.
Special Session on Microlocal Analysis and Spectral Theory on Singular Spaces, I
Room 207, Thomas Building
Organizers:
Juan B. Gil, Pennsylvania State University, Altoona jgil@psu.edu
Thomas Krainer, Pennsylvania State University, Altoona

8:00 a.m.
Topics in geometric scattering theory.
Antonio Sa Barreto*, Purdue University
(105235308) 
9:00 a.m.
Wave propagation on asymptotically De Sitter and Antide Sitter spaces.
Andras Vasy*, Stanford University
(105235222) 
10:00 a.m.
Symbolic parametrix construction for the strictly hyperbolic Cauchy problem.
Nhu Thang Nguyen, University of Göttingen, Mathematical Institute
Ingo Witt*, University of Göttingen, Mathematical Institute
(105235318)

8:00 a.m.

Saturday October 24, 2009, 8:00 a.m.10:50 a.m.
Special Session on Automorphisms of Riemann Surfaces and Related Topics, I
Room 117, Thomas Building
Organizers:
S. Allen Broughton, RoseHulman Institute of Technology allen.broughton@rosehulman.edu
Anthony Weaver, Bronx Community College, the City University of New York
Aaron D. Wootton, University of Portland

8:00 a.m.
Wilson's operations on regular dessins and cyclotomic fields of definition.
Jürgen Wolfart*, Goethe Universität Frankfurt
G. A. Jones, University of Southampton
M. Streit, Oberursel, Germany
(105214112) 
8:30 a.m.
The largest nongenus of a cyclic group.
Anthony Weaver*, The City University of New York
Cormac O'Sullivan, The City University of New York
(105211203) 
9:00 a.m.
Algebraic equations of genus 2 Riemann surfaces with a hyperelliptic uniform dessin.
Ernesto Girondo*, Universidad Autonoma de Madrid  Instituto de Ciencias Matematicas (ICMat)
David Torres, Universidad Autonoma de Madrid
(105214200) 
9:30 a.m.
Genus 2 Belyĭ surfaces with a unicellular uniform dessin.
Ernesto Girondo, Universidad Autonoma de Madrid (Spain)
David Torres*, Universidad Autonoma de Madrid (Spain)
(105230199) 
10:00 a.m.
On the connectedness of the branch locus of the moduli space of Riemann Surfaces I.
Milagros Izquiedo*, Linköping University
Antonio F. Costa, UNED
Gabriel Bartolini, Linköpings Universitet
(10525785) 
10:30 a.m.
On the connectedness of the branch locus of the moduli space of Riemann Surfaces II.
Gabriel Bartolini*, Linköping University
Milagros Izquierdo, Linköpings Universitet
(10521486)

8:00 a.m.

Saturday October 24, 2009, 8:00 a.m.10:50 a.m.
Special Session on Analytic Number Theory, I
Room 201, Thomas Building
Organizers:
Angel V. Kumchev, Towson University akumchev@towson.edu
Michael P. Knapp, Loyola College
Robert C. Vaughan, Pennsylvania State University

8:00 a.m.
The Ideal Sieve.
Sidney W. Graham*, Central Michigan University
(10521141) 
8:30 a.m.
Sifting Limits for Selberg's $\Lambda^{2}\Lambda^{}$ Sieve.
C S Franze*, Central Michigan University
(10521122) 
9:00 a.m.
The distribution of sociable numbers.
Paul Pollack*, University of Illinois at UrbanaChampaign/Institute for Advanced Study
(105211139) 
9:30 a.m.
On the Density of Abundant Numbers.
Mitsuo Kobayashi*, Dartmouth College
(105211164) 
10:00 a.m.
Concentration of Points on Modular Hyperbolas and Exponential Curves.
Tsz Ho Chan*, University of Memphis
Igor E. Shparlinski, Macquarie University
(10521152) 
10:30 a.m.
Common values of the arithmetic functions $\phi$ and $\sigma$.
Kevin Ford*, University of Illinois at UrbanaChampaign
Florian Luca, Universidad Nacional Autonoma de Mexico
Carl Pomerance, Dartmouth College
(10521129)

8:00 a.m.

Saturday October 24, 2009, 8:00 a.m.10:50 a.m.
Special Session on Homotopy Theory, I
Room 118, Thomas Building
Organizers:
James Gillespie, Pennsylvania State University, Altoona
Mark W. Johnson, Pennsylvania State University, Altoona mwj3@psu.edu
Simona Paoli, University of Haifa
Donald Yau, Ohio State University

8:00 a.m.
A Freeness Theorem for $RO(\mathbb{Z}/2)$graded Cohomology.
William C. Kronholm*, Swarthmore College
(105255304) 
8:30 a.m.
Elliptic Orientations.
Barry John Walker*, Northwestern University
(105255207) 
9:00 a.m.
Twisted Ktheory.
Mehdi Khorami*, Wesleyan University
(105255114) 
9:30 a.m.
On the relationship between $EO_n$ and $TAF$.
Mark Behrens*, MIT
Michael J Hopkins, Harvard University
(105255242) 
10:30 a.m.
On the Tate spectrum of ${\rm tmf}$ at the prime 2.
Scott M. Bailey*, University of Rochester
(105255160)

8:00 a.m.

Saturday October 24, 2009, 8:00 a.m.10:50 a.m.
Special Session on Random Dynamics: Where Probability and Ergodic Theory Meet, I
Room 111, Thomas Building
Organizers:
Manfred Denker, Pennsylvania State University denker@math.psu.edu
Wojbor A. Woyczynski, Case Western Reserve University

8:00 a.m.
Iteration of IID Monotone Maps.
Rabi N. Bhattacharya*, The University of Arizona
(105260364) 
8:30 a.m.
A Central Limit theorem for Partial Sums of a Reversible Processes with Nonlinear Growth of Variance.
Michael B. Woodroofe*, University of Michigan
Dalibor Volny, Mathematics Department, University of Rouen
Ou Zhao, Statistics Department, University of South Carolina
(105260265) 
9:30 a.m.
Central Limit Theorem for Fourier Transforms of Stationary Processes.
Magda Peligrad*, University of Cincinnati
WeiBiao Wu, University of Chicago
(105260274) 
10:30 a.m.
Perturbations to Perron Eigenvalue, Additive Functionals and Limit Theorems.
Iddo Ben Ari*, Department of Mathematics, University of Connecticut
(105260349)

8:00 a.m.

Saturday October 24, 2009, 8:00 a.m.10:20 a.m.
Special Session on Geometry of Integrable and NonIntegrable Dynamics, I
Room 209, Thomas Building
Organizers:
Boris Khesin, University of Toronto
Mark Levi, Pennsylvania State University
Sergei Tabachnikov, Pennsylvania State University tabachni@math.psu.edu

8:00 a.m.
Dynamics of gradient flows, Hamiltonian flows and thermostats.
Anthony M Bloch*, University of Michigan
(10523489) 
8:30 a.m.
The operator Schwarzian derivative.
Emma Previato*, Boston University
(105235281) 
9:00 a.m.
Stability of Relative Equilibria of Nonholonomic Integrators with Semidirect Symmetry.
Cameron Lynch, North Carolina State University
Dmitry Zenkov*, North Carolina State University
(105270220) 
9:30 a.m.
Geometry of isomonodromic deformations.
Jacques Hurtubise*, McGill University
(105214332) 
10:00 a.m.
Contact complete integrability.
Boris Khesin*, University of Toronto
Serge Tabachnikov, Pennsylvania State University
(105258313)

8:00 a.m.

Saturday October 24, 2009, 8:00 a.m.10:50 a.m.
Special Session on qSeries and Related Areas in Enumerative Combinatorics and Number Theory, I
Room 216, Thomas Building
Organizers:
David Little, Pennsylvania State University dlittle@math.psu.edu
James Sellers, Pennsylvania State University
Ae Ja Yee, Pennsylvania State University

8:00 a.m.
COMBINATORIAL STUDY AND COMPARISON OF PARTIAL THETA IDENTITIES OF ANDREWS AND RAMANUJAN.
Krishnaswami Alladi*, University of Florida
(10521199) 
8:30 a.m.
Infinite Families of Divisibility Properties Modulo 4 for NonSquashing Partitions into Distinct Parts.
James A. Sellers*, Penn State University
(105205279) 
9:00 a.m.
Bijective proofs of two theorems on partitions with distinct evens.
William J Keith*, Drexel University
(105205197) 
9:30 a.m.
Asymptotic formulas for partitions with distinct parts.
Heiko Todt*, Pennsylvania State University
(105205329) 
10:00 a.m.
Ternary quadratic forms and certain positivity conjectures.
Alexander Berkovich*, University of Florida
(105211152) 
10:30 a.m.
A nonterminating $q$Dougall summation theorem for hypergeometric series in $U(n)$, with applications.
Stephen C Milne*, The Ohio State University
Sheldon L Degenhardt, Baltimore, Maryland
(105211237)

8:00 a.m.

Saturday October 24, 2009, 8:20 a.m.10:45 a.m.
Special Session on Arithmetic and Profinite Groups, I
Room 112, Thomas Building
Organizers:
Alireza SalehiGolsefidy, Princeton University
Martin D. Kassabov, Cornell University kassabov@math.cornell.edu
Mikhail V. Ershov, University of Virginia

8:20 a.m.
Commensurator Growth of Lattices.
Nir Avni*, Harvard University
(10522032) 
9:00 a.m.
Heuristics on Prop Groups arising as Galois Groups.
Nigel Boston*, University of Wisconsin, Madison
(105211126) 
9:40 a.m.
Rank gradient and torsion groups.
D. V. Osin*, Vanderbilt University
(105220250) 
10:20 a.m.
Bounding the residual finiteness of free groups.
Francesco Matucci*, University of Virginia
Martin Kassabov, Cornell University
(105220269)

8:20 a.m.

Saturday October 24, 2009, 8:20 a.m.10:50 a.m.
Special Session on Function Fields and their Applications, I
Room 110, Thomas Building
Organizers:
Mihran Papikian, Pennsylvania State University papikian@math.psu.edu
Kirsten Eisentrager, Pennsylvania State University

8:20 a.m.
Special values of Goss $L$functions for Dirichlet characters.
Matthew Papanikolas*, Texas A&M University
(105211259) 
9:00 a.m.
Failure of the Hasse principle for Enriques surfaces.
Bianca L. Viray*, University of California, Berkeley
(105211327) 
9:40 a.m.
Gonality and Hilbert Irreducibility.
Chris Hall*, University of Wyoming
(105211165) 
10:20 a.m.
Diophantine Undecidability of Holomorphy Rings of Function Fields of Characteristic 0.
Laurent MoretBailly, Université de Rennes 1
Alexandra Shlapentokh*, East Carolina University
(105211163)

8:20 a.m.

Saturday October 24, 2009, 8:30 a.m.10:50 a.m.
Special Session on nBody Problems in Relativity, I
Room 220, Thomas Building
Organizers:
Michael K. H. Kiessling, Rutgers University miki@math.rutgers.edu
Pavel B. Dubovski, Stevens Institute of Technology
Shadi TahvildarZadeh, Rutgers University

8:30 a.m.
The Global Nonlinear Stability of the Trivial Solution of the EinsteinMaxwellBornInfeld System.
Jared Speck*, Princeton University
(105235156) 
9:00 a.m.
Null Asymptotics of Solutions of the EinsteinMaxwell Equations in General Relativity and Gravitational Radiation.
Lydia R Bieri*, Harvard University, Department of Mathematics, Cambridge MA
(105283153) 
9:30 a.m.
Cosmological Charged Dust Solutions of the Coupled Einstein and Maxwell Equations.
Yisong Yang*, Polytechnic Institute of New York University
(10523584) 
10:00 a.m.
Regularity of harmonic maps with prescribed rate of singularity and axially symmetric stationary electrovacuum spacetimes.
Luc Nguyen*, Mathematical Institute, University of Oxford
(105283192) 
10:30 a.m.
On the Wave Equation of a Charged, Massive Kerr Black Hole.
Shabnam Beheshti*, Rutgers University
Floyd L Williams, University of Massachusetts
(105283277)

8:30 a.m.

Saturday October 24, 2009, 8:30 a.m.10:50 a.m.
Special Session on Difference Equations and Applications, I
Room 208, Thomas Building
Organizers:
Michael A. Radin, Rochester Institute of Technology michael.radin@rit.edu

8:30 a.m.
How the Method of Finite Differences can show you the way to conjectures.
Manuel Lopez*, Rochester Institute of Technology
(105216273) 
9:00 a.m.
A Notion of Intensity of Attraction for Closed Relations.
Tamas Wiandt*, Rochester Institute of Technology
(10523796) 
9:30 a.m.
On the Boundedness Character of a Rational System.
A M Brett, University of Rhode Island
E Camouzis, American College of Greece
G Ladas, University of Rhode Island
C D Lynd*, University of Rhode Island
(105239118) 
10:00 a.m.
On the Global Character of a Rational System in the Plane.
Elias Camouzis, American College of Greece, Department of Mathematics
Emmanouil Drymonis*, University of Rhode Island, Department of Mathematics
Gerasimos Ladas, University of Rhode Island, Department of Mathematics
(105239176) 
10:30 a.m.
Asymptotic summation of linear difference system of equations.
Fei Xue*, University of Hartford
Harry Gingold, West Virginia University
(10523918)

8:30 a.m.

Saturday October 24, 2009, 8:30 a.m.9:15 a.m.
Special Session on Combinatorial and Homological Aspects of Commutative Algebra, I
Room 104, Thomas Building
Organizers:
Amanda I. Beecher, United States Military Academy amanda.beecher@usma.edu
Alexandre B. Tchernev, University at Albany

8:30 a.m.
Bass numbers of local rings: Questions, results, and the whole story in codepth $3$.
Luchezar L. Avramov*, University of Nebraska  Lincoln
(10521398)

8:30 a.m.

Saturday October 24, 2009, 8:30 a.m.10:50 a.m.
Special Session on Integrable Systems and Related Areas, I
Room 217, Thomas Building
Organizers:
Sam Evans, University of Notre Dame
Michael Gekhtman, University of Notre Dame
LuenChau Li, Pennsylvania State University luenli@math.psu.edu

8:30 a.m.
Intersections of orbits on the flag variety.
Samuel Evens*, University of Notre Dame
(105222300) 
9:00 a.m.
Weak splitting of surjective Poisson submersions.
Milen Yakimov*, Louisiana State University
(105222217) 
9:30 a.m.
Exact solution of the sixvertex model with domain wall boundary conditions. Antiferroelectric phase.
Pavel Bleher*, Indiana UniversityPurdue University Indianapolis
(10528261) 
10:00 a.m.
Toric Poisson Structures.
Arlo Caine*, University of Notre Dame
(105253204) 
10:30 a.m.
Algebraic integrability of the GelfandZeitlin system on $\mathfrak{gl}(n,\mathbb{C})$.
Mark Colarusso*, University of Notre Dame
Sam Evens, University of Notre Dame
(105222133)

8:30 a.m.

Saturday October 24, 2009, 8:30 a.m.10:50 a.m.
Special Session on Algebraic Combinatorics, I
Room 215, Thomas Building
Organizers:
Peter McNamara, Bucknell University peter.mcnamara@bucknell.edu
Mark Skandera, Lehigh University

8:30 a.m.
Littlewood Richardson Rules, Quasisymmetric Funcions, and Demazure Characters.
J. Haglund*, University of Pennsylvania
K. Luoto, Univ. of British Columbia
S. Mason, Univ. of California at San Diego and Wake Forest Univ.
S. Van Willigenberg, Univ. of British Columbia
(105205244) 
9:00 a.m.
A Pieri rule for skew shapes.
Sami Assaf*, MIT
Peter R. W. McNamara, Bucknell University
(10520540) 
9:30 a.m.
Symmetries of Hives, Generalized LittlewoodRichardson Fillings, and Invariants of Matrix Pairs over Valuation Rings.
Glenn Appleby*, Santa Clara University
Tamsen Whitehead, Santa Clara University
(10520513) 
10:00 a.m.
Inequalities for symmetric polynomials.
Curtis Greene*, Haverford College
(105205312) 
10:30 a.m.
On the stability of the Kronecker product.
Emmanuel Briand, University of Sevilla
Rosa C Orellana*, Dartmouth College
Mercedes H. Rosas, University of Sevilla
(105205122)

8:30 a.m.

Saturday October 24, 2009, 8:30 a.m.10:50 a.m.
Special Session on Symplectic, Contact, and Complex Structures on Manifolds, I
Room 210, Thomas Building
Organizers:
Philippe Rukimbira, Florida International University rukim@fiu.edu
Tedi C. Draghici, Florida International University
Gueo V. Grantcharov, Florida International University

8:30 a.m.
Contact Metrics And Ricci Solitons.
J. T. Cho, Chonnam National University
Ramesh Sharma*, University Of New Haven
(10525316) 
9:00 a.m.
Contact structures and the uniform thickness property.
Douglas J LaFountain*, University at Buffalo
(10525721) 
9:30 a.m.
A Hoferlike topology and the group of strong symplectic homeomorphisms.
Augustin Banyaga*, Department of Mathematics, The Pennsylvania State University, University Park, PA 16802
(105253346) 
10:30 a.m.
Deformation of closed, nonsingular 1forms into contact forms on $T^2$bundles over $S^1$.
Philippe Rukimbira*, Florida International University
Dathe Hamidou, Universite Cheick Anta Diop
(10525336)

8:30 a.m.

Saturday October 24, 2009, 8:30 a.m.9:50 p.m.
Special Session on Heat Kernel Analysis, I
Room 223, Thomas Building
Organizers:
Maria Gordina, University of Connecticut gordina@math.uconn.edu
Laurent SaloffCoste, Cornell University

8:30 a.m.
On The Uniqueness Of A Solution Of A TwoPhase Free Boundary Problem.
Peiyong Wang*, Wayne State University
(105235180) 
9:00 a.m.
A geometric covering lemma and nodal sets of eigenfunctions.
Xiaolong Han, Wayne State University
Guozhen Lu*, Wayne State University
(105235174) 
9:30 a.m.
Discussion. 
10:00 a.m.
Asymptotic mean value properties for $p$harmonic functions and tugofwar games with noise.
Juan J Manfredi*, University of Pittsburgh
Mikko Parviainen, Helsinki University of Technology
Julio Daniel Rossi, University of Buenos Aires
(105235113)

8:30 a.m.

Saturday October 24, 2009, 9:00 a.m.10:20 a.m.
Special Session on Topics in Mathematical Finance, I
Room 222, Thomas Building
Organizers:
Nick Costanzino, Pennsylvania State University costanzi@math.psu.edu
Anna L. Mazzucato, Pennsylvania State University
Victor Nistor, Pennsylvania State University

9:00 a.m.
A twofactor dynamic term structure model and pricing of TIPS securities.
Olesya V. Grishchenko*, Penn State University
Joel M. Vanden, Penn State University
Jianing Zhang, Penn State University
(105291356) 
9:30 a.m.
On option pricing under Levy copula processes  analytical and numerical aspects.
E. Walter Farkas*, University of Zurich and ETH Zurich, Switzerland
(105245287) 
10:00 a.m.
Heston stochastic volatility model and degenerate parabolic partial differential equations.
Paul M. Feehan*, Rutgers University, New Brunswick
(10526048)

9:00 a.m.

Saturday October 24, 2009, 9:00 a.m.10:50 a.m.
Special Session on Partial Differential Equations of Mixed EllipticHyperbolic Type and Applications, I
Room 113, Thomas Building
Organizers:
Barbara Lee Keyfitz, Ohio State University bkeyfitz@math.ohiostate.edu
Kevin Ray Payne, Universita' di Milano

9:00 a.m.
Linear and Nonlinear Change of Type: A Review.
Barbara Lee Keyfitz*, The Ohio State University
(105235331) 
9:30 a.m.
Shock reflection for potential flow.
GuiQiang Chen, Northwestern University
Mikhail Feldman*, University of WisconsinMadison
(105235243) 
10:00 a.m.
Integrodifferential equations for ocean wave study.
Dening Li*, West Virginia University
(105235307) 
10:30 a.m.
Steady and transient flows of entangled fluids.
Pam Cook, Department of Math Sciences, University of Delaware
Michael Cromer, Dept. Mathematical Sciences, University of Delaware
Careth McKinley, Department of Mechancial Engineering, Massachusetts Institute of Technology
Lin Zhou*, Department of Mathematics, New York City College of Technology
(105276334)

9:00 a.m.

Saturday October 24, 2009, 9:30 a.m.10:50 a.m.
Special Session on New Trends in Triangulated Categories and their Associated Cohomology Theories, I
Room 119, Thomas Building
Organizers:
Sunil Kumar Chebolu, Illinois State University schebol@ilstu.edu
Keir H. Lockridge, Wake Forest University

9:30 a.m.
A brief survey of Ainfinity algebras and related triangulated structures.
Enxin Wu*, the University of Western Ontario
(105218124) 
10:00 a.m.
Stratifying derived categories associated to finite groups and to commutative rings.
Srikanth B. Iyengar*, NE
(10521834) 
10:30 a.m.
Watts' theorems and Brown representability for derived categories.
Mark Hovey*, Wesleyan University
(10521833)

9:30 a.m.

Saturday October 24, 2009, 11:00 a.m.11:55 a.m.
Invited Address
Welcoming remarks by Daniel J. Larson, Dean, Eberly College of Science, Pennsylvania State Univ., and George Andrews, President, AMS.
Room 101, Thomas Building
Subelliptic heat kernel measures and holomorphic functions on complex Lie groups.
Room 101, Thomas Building
Laurent SaloffCoste*, Cornell University
Len Gross, Cornell University
Bruce Driver, University of California San Diego
(10525808) 
Saturday October 24, 2009, 2:00 p.m.2:50 p.m.
Invited Address
PDE of mixed type: The twin challenges of globalization and diversity.
Room 101, Thomas Building
Kevin R. Payne*, Dipartimento di Matematica, Universita' di Milano
(10523507) 
Saturday October 24, 2009, 3:00 p.m.4:50 p.m.
Special Session on Topics in Mathematical Finance, II
Room 222, Thomas Building
Organizers:
Nick Costanzino, Pennsylvania State University costanzi@math.psu.edu
Anna L. Mazzucato, Pennsylvania State University
Victor Nistor, Pennsylvania State University

3:00 p.m.
PathDependence of Leveraged ETF Returns.
Marco Avellaneda*, Courant Institute of Mathematical Sciences, New York University
Stanley Jian Zhang, New York University
(10526047) 
3:30 p.m.
No Price Manipulation and the Decay of Market Impact.
Jim Gatheral*, Bank of America Merrill Lynch and Courant Institute, NYU
(105291283) 
4:00 p.m.
Liquidity and Information in Order Driven Markets.
Ioanid Rosu*, University of Chicago, Booth School of Business
(105291260) 
4:30 p.m.
Discussion

3:00 p.m.

Saturday October 24, 2009, 3:00 p.m.5:50 p.m.
Special Session on Commutative Algebra and Applications to Algebraic Geometry, II
Room 104, Thomas Building
Organizers:
Janet Striuli, Fairfield University jstriuli@mail.fairfield.edu
Jooyoun Hong, Southern Connecticut State University

3:00 p.m.
Determinantal equations defining the special fiber ring of certain ideals.
Alberto Corso*, University of Kentucky
Uwe Nagel, University of Kentucky
Sonja Petrovic, University of Illinois at Chicago
Cornelia Yuen, SUNY at Postdam
(105213357) 
3:30 p.m.
The core versus the adjoint of a monomial ideal.
Angela L Kohlhaas*, University of Notre Dame
(10521392) 
4:00 p.m.
Rees Algebras of diagonal ideals.
KueiNuan Lin*, Purdue University
(10521373) 
4:30 p.m.
{\bf On the computation of the jdeg of blowup algebras}.
Thuy Pham*, University of Toronto
Wolmer V. Vasconcelos, Rutgers University
(105213338) 
5:00 p.m.
Asymptotic behavior of value semigroups.
S. D. Cutkosky, University of Missouri  Columbia
K. Dalili*, University of Missouri  Columbia
O. Kashcheyeva, University of Illinois at Chicago
(105213333) 
5:30 p.m.
Formal prime ideals of infinite value and their algebraic resolution.
Samar M ElHitti*, New York City College of Technology
(105214128)

3:00 p.m.

Saturday October 24, 2009, 3:00 p.m.4:50 p.m.
Special Session on New Trends in Triangulated Categories and their Associated Cohomology Theories, II
Room 119, Thomas Building
Organizers:
Sunil Kumar Chebolu, Illinois State University schebol@ilstu.edu
Keir H. Lockridge, Wake Forest University

3:00 p.m.
The many faces of the Bockstein.
William G Dwyer*, University of Notre Dame
(105255132) 
3:30 p.m.
Stable homotopy theories and derived Hall algebras.
Julie Bergner*, University of California, Riverside
(105255145) 
4:00 p.m.
Six model structures for DG modules over DGA's.
J. P. May*, The University of Chicago
(105218105) 
4:30 p.m.
The $S^1$ Equivariant Generating Hypothesis.
Anna Marie Bohmann*, University of Chicago
(105255115)

3:00 p.m.

Saturday October 24, 2009, 3:00 p.m.5:50 p.m.
Special Session on Nonlinear Waves, II
Room 122, Thomas Building
Organizers:
Bernard Deconinck, University of Washington
Diane Henderson, Pennsylvania State University dmh@math.psu.edu
J. Douglas Wright, Drexel University
David Ambrose, Drexel University

3:00 p.m.
Applications of perturbation series.
Benjamin Akers*, University of Illinois at Chicago
(105276140) 
3:30 p.m.
Periodic solutions of the Serre equations.
John D. Carter*, Seattle University
Rodrigo Cienfuegos, Pontificia Universidad Catolica de Chile
(10527679) 
4:00 p.m.
The stability of finitegenus solutions of the KdV equation.
M. A. Nivala*, Applied Mathematics, University of Washington
Bernard Deconinck, Applied Mathematics, University of Washington
(105235234) 
4:30 p.m.
Spectral Stability of SolitonLike Solutions to a Boussinesq Approximation.
Christopher W. Curtis*, University of Colorado
(105235328) 
5:00 p.m.
Mach Reflection of a Solitary Wave Revisited.
Harry Yeh*, Oregon State University
(105276255) 
5:30 p.m.
KP solitons and shallow water waves.
Yuji Kodama*, Ohio State University
(105235130)

3:00 p.m.

Saturday October 24, 2009, 3:00 p.m.5:45 p.m.
Special Session on Microlocal Analysis and Spectral Theory on Singular Spaces, II
Room 207, Thomas Building
Organizers:
Juan B. Gil, Pennsylvania State University, Altoona jgil@psu.edu
Thomas Krainer, Pennsylvania State University, Altoona

3:00 p.m.
Pseudodifferential calculus for multiply fibred cusps.
Daniel Grieser*, University of Oldenburg
Eugenie Hunsicker, Loughborough University
(105258223) 
4:00 p.m.
The signature package on Witt spaces.
Pierre Albin*, Massachusetts Institute of Technology
(105258226) 
5:00 p.m.
An AnghelCallias index theorem and monopole charges.
Chris Kottke*, Massachusetts Institute of Technology
(105258285)

3:00 p.m.

Saturday October 24, 2009, 3:00 p.m.5:50 p.m.
Special Session on Automorphisms of Riemann Surfaces and Related Topics, II
Room 117, Thomas Building
Organizers:
S. Allen Broughton, RoseHulman Institute of Technology allen.broughton@rosehulman.edu
Anthony Weaver, Bronx Community College, the City University of New York
Aaron D. Wootton, University of Portland

3:00 p.m.
Extendability of group actions on nonorientable surfaces.
Emilio Bujalance, UNED, Madrid, Spain
Francisco Javier Cirre, UNED, Madrid, Spain
Marston Conder*, University of Auckland
(10522069) 
3:30 p.m.
A family of Riemann surfaces with orientation reversing automorphisms.
Emilio Bujalance, Dep. Matematicas Fundamentales, Fac. Ciencias, UNED, Madrid, Spain
Javier Cirre*, Dep. Matematicas Fundamentales, Fac. Ciencias, UNED, Madrid, Spain
(105230158) 
4:00 p.m.
Bounding the Number of Group Actions on a Surface of Fixed Genus.
Aaron Wootton*, University of Portland
J W Anderson, University of Southampton
(105214219) 
4:30 p.m.
Automorphism Groups and Moduli Spaces of Vector Bundles.
James S Wolper*, Idaho State University
(105214218) 
5:00 p.m.
Decomposing Jacobian varieties using automorphism groups.
Jennifer Paulhus*, Kansas State University
(10521197) 
5:30 p.m.
Riemann surfaces with automorphisms: Aspects of dynamics.
Emma Previato*, Boston University
(10521427)

3:00 p.m.

Saturday October 24, 2009, 3:00 p.m.5:50 p.m.
Special Session on Analytic Number Theory, II
Room 201, Thomas Building
Organizers:
Angel V. Kumchev, Towson University akumchev@towson.edu
Michael P. Knapp, Loyola College
Robert C. Vaughan, Pennsylvania State University

3:00 p.m.
Exceptional sets for diophantine inequalities.
Scott T. Parsell*, West Chester University
Trevor D. Wooley, University of Bristol
(105211173) 
3:30 p.m.
Binary Egyptian Fractions and ErdosStrausSchinzel Conjecture.
Jingjing Huang*, Penn State University, University Park
(105211150) 
4:00 p.m.
The Manin conjecture for $x_0 y_0 + \cdots + x_s y_s = 0$.
Craig Valere Spencer*, Kansas State University
(105211142) 
4:30 p.m.
Vinogradov's Mean Value Theorem in Function Fields.
YuRu Liu*, University of Waterloo
(10521151) 
5:00 p.m.
Counting solutions to linear systems modulo N  an introduction to local quadratic Fourier analysis.
Julia Wolf*, Rutgers The State University of New Jersey
(10521135) 
5:30 p.m.
Some Extremal Functions in Fourier Analysis.
Emanuel Carneiro, Insititute for Advanced Study
Friedrich Littmann, North Dakota State University
Jeffrey D. Vaaler*, The University of Texas at Austin
(10524274)

3:00 p.m.

Saturday October 24, 2009, 3:00 p.m.5:20 p.m.
Special Session on nBody Problems in Relativity, II
Room 220, Thomas Building
Organizers:
Michael K. H. Kiessling, Rutgers University miki@math.rutgers.edu
Pavel B. Dubovski, Stevens Institute of Technology
Shadi TahvildarZadeh, Rutgers University

3:00 p.m.
Derivation of the relativistic VlasovPoisson model with attractive coupling from Nbody models.
Brent O. Young*, Rutgers University
(105283183) 
3:30 p.m.
Vlasov limit for particles coupled with a wave field.
Yves Elskens*, univ. Provence  CNRS, Marseilles (France)
Michael KH Kiessling, Rutgers University
Valeria Ricci, Universita di Palermo
(10528254) 
4:00 p.m.
The relativistic Scott correction.
Rupert L. Frank*, Princeton University, Department of Mathematics
Heinz Siedentop, LMU Munich, Department of Mathematics
Simone Warzel, TU Munich, Department of Mathematics
(10523593) 
4:30 p.m.
HardyLiebThirring inequalities and relativistic stability of matter.
Robert Seiringer*, Princeton University
(10528182) 
5:00 p.m.
Relativistic Realistic Quantum Theory: On a Recent Model Reconciling Quantum Nonlocality and Relativity.
Roderich Tumulka*, Rutgers University
(105281147)

3:00 p.m.

Saturday October 24, 2009, 3:00 p.m.5:50 p.m.
Special Session on Partial Differential Equations of Mixed EllipticHyperbolic Type and Applications, II
Room 113, Thomas Building
Organizers:
Barbara Lee Keyfitz, Ohio State University bkeyfitz@math.ohiostate.edu
Kevin Ray Payne, Universita' di Milano

3:00 p.m.
Asymptotic expansions of singular solutions for 3+1D Protter problems.
Nedyu Popivanov*, University of Sofia
Rudolf Scherer, University of Karlsruhe, Germany
Todor Popov, University of Sofia
(105235362) 
3:30 p.m.
Fundamental Solutions for Hyperbolic Operators with Variable Coefficients.
Karen Yagdjian*, Department of Mathematics, University of TexasPan American
(105235256) 
4:00 p.m.
Nonlinear HodgeFrobenius equations of mixed and degenerate type.
Antonella Marini, Dipartimento di Matematica, Università di L'Aquila, Italy
Thomas H. Otway*, Department of Mathematics, Yeshiva University
(105235258) 
4:30 p.m.
Nonlinear Equations of Mixed Type in Differential Geometry.
Marcus A. Khuri*, Stony Brook University
(105235246) 
5:00 p.m.
A triple shock pattern and transonic flows.
Dehua Wang*, University of Pittsburgh
(105235106) 
5:30 p.m.
Supersonic and transonic shock reflection.
Volker W. Elling*, Univ. of Michigan
(105276275)

3:00 p.m.

Saturday October 24, 2009, 3:00 p.m.5:45 p.m.
Special Session on Arithmetic and Profinite Groups, II
Room 112, Thomas Building
Organizers:
Alireza SalehiGolsefidy, Princeton University
Martin D. Kassabov, Cornell University kassabov@math.cornell.edu
Mikhail V. Ershov, University of Virginia

3:00 p.m.
Torsion elements in stabilizers of apartments.
Peter Abramenko*, University of Virginia
(105220154) 
3:35 p.m.
Survey of invariant orders on arithmetic groups.
Dave Witte Morris*, University of Lethbridge
(105220141) 
4:10 p.m.
Reducing Dehn functions of arithmetic groups to the Dehn functions of parabolic groups.
Kevin Wortman*, University of Utah
(105220186) 
4:45 p.m.
The Haagerup property, Property (T) and the BaumConnes conjecture for lattices in locally compact KacMoody groups.
Lisa Carbone*, Rutgers University
(105220322) 
5:20 p.m.
A question of Iwasawa.
Ilir Snopce*, Binghamton University, SUNY
(10522066)

3:00 p.m.

Saturday October 24, 2009, 3:00 p.m.5:45 p.m.
Special Session on Homotopy Theory, II
Room 118, Thomas Building
Organizers:
James Gillespie, Pennsylvania State University, Altoona
Mark W. Johnson, Pennsylvania State University, Altoona mwj3@psu.edu
Simona Paoli, University of Haifa
Donald Yau, Ohio State University

3:00 p.m.
An Linfinity algebra which is also an open closed homotopy algebra.
Tom Lada*, North Carolina State University
(105218341) 
4:00 p.m.
Strong homotopy morphisms via twisting cochains.
Jonathan Andrew Scott*, Cleveland State University
Kathryn Hess, Ecole Polytechnique Federale de Lausanne
(105255210) 
4:30 p.m.
Relative fixed point theory.
Kate Ponto*, University of Notre Dame
(105255235) 
5:00 p.m.
Homotopy factorisation systems in model categories and factorisation systems in quasicategories.
Andre Joyal*, Université du Québec à Montréal
(105255230)

3:00 p.m.

Saturday October 24, 2009, 3:00 p.m.6:10 p.m.
Special Session on Function Fields and their Applications, II
Room 110, Thomas Building
Organizers:
Mihran Papikian, Pennsylvania State University papikian@math.psu.edu
Kirsten Eisentrager, Pennsylvania State University

3:00 p.m.
On the arithmetic of modular curves of $\cal{D}$elliptic sheaves.
Mihran Papikian*, Pennsylvania State University
(105211326) 
3:40 p.m.
Twists of elliptic curves with a large set of integral points over function fields.
Ricardo P. Conceicao*, University of Texas at Austin
(10521117) 
4:20 p.m.
RiemannRoch spaces of the normtrace function field.
Gretchen L. Matthews, Clemson University
Justin D. Peachey*, Clemson University
(105214116) 
5:00 p.m.
Recent results on the distribution of irreducible polynomials over finite fields.
Paul Pollack*, University of Illinois at UrbanaChampaign/Institute for Advanced Study
(105211143) 
5:40 p.m.
Explicit Construction of Integral Bases of Radical Function Fields.
Qingquan Wu*, Department of Mathematics & Statistics, University of Calgary
(105211157)

3:00 p.m.

Saturday October 24, 2009, 3:00 p.m.5:50 p.m.
Special Session on Random Dynamics: Where Probability and Ergodic Theory Meet, II
Room 111, Thomas Building
Organizers:
Manfred Denker, Pennsylvania State University denker@math.psu.edu
Wojbor A. Woyczynski, Case Western Reserve University

3:00 p.m.
Stochastic Lagrangian Particle systems for the NavierStokes and Burgers equations.
Peter Constantin, University of Chicago
Gautam Iyer*, Carnegie Mellon University
Jonathan C Mattingly, Duke University
Alexei Novikov, Pennsylvania State University
(105276317) 
3:30 p.m.
Limit theorems for the reactiondiffusuion equations woth the applications to the ecology.
Stanislav A. Molchanov*, University of North Carolina at Charlotte
(105260261) 
4:30 p.m.
Perturbation Theory for Multiattractor Dynamical Systems.
Mark Freidlin*, Department of Mathematics, University of Maryland at College Park
(105260206) 
5:30 p.m.
Deterministic and stochastic perturbations of Hamiltonian systems.
Leonid Koralov*, University of Maryland
(105260321)

3:00 p.m.

Saturday October 24, 2009, 3:00 p.m.5:50 p.m.
Special Session on Difference Equations and Applications, II
Room 208, Thomas Building
Organizers:
Michael A. Radin, Rochester Institute of Technology michael.radin@rit.edu

3:00 p.m.
COMPACTIFICATION AND BLOW UP OF SOLUTIONS IN NONLINEAR FINITE DIFFERENCE SYSTEMS.
Harry Gingold*, West Virginia University
(10523926) 
3:30 p.m.
First order 4dimensional discrete dynamic linear stability conditions.
Bernard P Brooks*, Rochester Institute of Technology
(10523924) 
4:00 p.m.
Stability and complexity of model economic systems: a random matrix approach.
Harold M Hastings*, Hofstra University
Michael Bantegui, Hofstra University
Michael Palmer, Hofstra University
Thomas Savino, Hofstra University
(10529150) 
4:30 p.m.
The differentialdifference equation for the carfollowing.
Mostafa Ghandehari*, University of Texas at Arlington
Siamak Ardekani, University of Texas at Arlington
(105239104) 
5:00 p.m.
Dynamics of plantherbivore models with monotone plant growth rate.
Yun Kang*, School of arts and applied sciences, Arizona State University
Dieter Armbruster, School of mathematical and Statistical Sciences, ASU
Yang Kuang, School of mathematical and Statistical Sciences, ASU
(10523909) 
5:30 p.m.
Some recent results on minimumdelay difference equations.
Richard T Guy*, Wake Forest University
Kenneth S. Berenhaut, Wake Forest University
(105239360)

3:00 p.m.

Saturday October 24, 2009, 3:00 p.m.5:50 p.m.
Special Session on Combinatorial and Homological Aspects of Commutative Algebra, II
Room 125, Thomas Building
Organizers:
Amanda I. Beecher, United States Military Academy amanda.beecher@usma.edu
Alexandre B. Tchernev, University at Albany

3:00 p.m.
Poset resolutions of monomial ideals.
Timothy B.P. Clark*, Northwestern University
(105213134) 
3:30 p.m.
Powers of edge ideals.
Irena Peeva*, Cornell University
Eran Nevo, Cornell University
(10521328) 
4:00 p.m.
Depth Bounds and CohenMacaulayness for Squarefree Monomial Ideals.
Susan E. Morey*, Texas State University
(105213168) 
4:30 p.m.
The lexpluspowers conjecture holds for pure powers.
Jeff A Mermin*, Oklahoma State University
Satoshi Murai, Kyoto University
(105213282) 
5:00 p.m.
Macaulay's Theorem for Some Projective Monomial Curves.
RiXiang Chen*, Cornell University
(105213131) 
5:30 p.m.
Reverse Lex Ideals.
Jennifer Biermann*, Cornell University
(105213337)

3:00 p.m.

Saturday October 24, 2009, 3:00 p.m.5:50 p.m.
Special Session on Integrable Systems and Related Areas, II
Room 217, Thomas Building
Organizers:
Sam Evans, University of Notre Dame
Michael Gekhtman, University of Notre Dame
LuenChau Li, Pennsylvania State University luenli@math.psu.edu

3:00 p.m.
Asymptotics of TracyWidom distribution functions.
Jinho Baik*, University of Michigan
(105260293) 
3:30 p.m.
The BenjaminOno Equation in the Small Dispersion Limit.
Peter D. Miller*, University of Michigan
(105235276) 
4:00 p.m.
Trigonometric Grassmannian, CalogeroMoser matrices and a difference $W$ algebra.
Luc Haine, Universite catholique de Louvain
Emil Horozov, Sofia University
Plamen Iliev*, Georgia Institute of Technology
(105237178) 
4:30 p.m.
Spin Calogero Particles and Bispectral Solutions of the Matrix KP Hierarchy.
Maarten Bergvelt, University of Illinois
Michael Gekhtman, University of Notre Dame
Alex Kasman*, College of Charleston
(10523712) 
5:00 p.m.
Asymptotics of TracyWidom distributions for the largest detected eigenvalues of random matrices.
Jeffery C DiFranco*, Seattle University
(105233363) 
5:30 p.m.
Fuchsian RiemannHilbert problem associated to Frobenius manifolds.
Vasilisa Shramchenko*, Université de Sherbrooke
Dmitry Korotkin, Concordia University
(105235215)

3:00 p.m.

Saturday October 24, 2009, 3:00 p.m.5:20 p.m.
Special Session on Geometry of Integrable and NonIntegrable Dynamics, II
Room 209, Thomas Building
Organizers:
Boris Khesin, University of Toronto
Mark Levi, Pennsylvania State University
Sergei Tabachnikov, Pennsylvania State University tabachni@math.psu.edu

3:00 p.m.
Singular Reduction of Symmetries.
Jedrzej Sniatycki*, Department of Mathematics and Statistics, University of Calgary
(105253240) 
3:30 p.m.
General Lie algebra extensions and extended Euler equations.
Keiichi Kikuchi*, Komae, Tokyo
(10525363) 
4:00 p.m.
Nearlinear dynamics in KdV with periodic boundary conditions.
V. Zharnitsky*, University of Illinois
(105235286) 
4:30 p.m.
Nonholonomic HamiltonJacobi Equation and Integrability.
Tomoki Ohsawa*, University of Michigan
Anthony Michael Bloch, University of Michigan
(105270311) 
5:00 p.m.
Bike tracks, symplectic group and forced pendula.
Mark Levi*, Penn State
Sergei Tabachnikov, Penn State
Robert Foote, Wabash College
(105237316)

3:00 p.m.

Saturday October 24, 2009, 3:00 p.m.5:50 p.m.
Special Session on Algebraic Combinatorics, II
Room 215, Thomas Building
Organizers:
Peter McNamara, Bucknell University peter.mcnamara@bucknell.edu
Mark Skandera, Lehigh University

3:00 p.m.
Affine tableaux approach to Ktheory.
Jennifer Morse*, Math Department, Drexel University
(105205323) 
3:30 p.m.
The expansion of HallLittlewood polynomials into dual Grothendieck polynomials.
Jason Bandlow*, University of Pennsylvania
(105205233) 
4:00 p.m.
Cyclic sieving for longest reduced words in the hyperoctahedral group.
T. Kyle Petersen, DePaul University
Luis Serrano*, University of Michigan
(10520581) 
4:30 p.m.
The shortest path poset of a finite Coxeter group.
Saúl A. Blanco*, Cornell University
(105205182) 
5:00 p.m.
Vertex decomposable graphs and obstructions to shellability.
Russ Woodroofe*, Washington University in St. Louis
(105205228) 
5:30 p.m.
Shi arrangements and diagonal harmonics.
Drew Armstrong*, University of Miami
(105205253)

3:00 p.m.

Saturday October 24, 2009, 3:00 p.m.4:50 p.m.
Special Session on Symplectic, Contact, and Complex Structures on Manifolds, II
Room 210, Thomas Building
Organizers:
Philippe Rukimbira, Florida International University rukim@fiu.edu
Tedi C. Draghici, Florida International University
Gueo V. Grantcharov, Florida International University

3:00 p.m.
Luttinger surgery and Kodaira dimension.
ChungI Ho, University of Minnesota
TianJun Li*, University of Minnesota
(10525843) 
3:30 p.m.
Pairs of Kähler surface metrics with a realholomorphic gradient eigenvector.
Andrzej Derdzinski*, The Ohio State University
Gideon Maschler, Clark University
(105253336) 
4:00 p.m.
A complex geodesic flow.
David E. Blair*, Michigan State University
(10525368) 
4:30 p.m.
Extremal almostKähler metrics.
Mehdi Lejmi*, UQÀM (Université de Québec à Montréal)
(105253119)

3:00 p.m.

Saturday October 24, 2009, 3:00 p.m.4:50 p.m.
Special Session on Heat Kernel Analysis, II
Room 223, Thomas Building
Organizers:
Maria Gordina, University of Connecticut gordina@math.uconn.edu
Laurent SaloffCoste, Cornell University

3:00 p.m.
The YangMills heat equation on 3manifolds with boundary.
Leonard Gross*, Mathematics Department, Cornell University
Nelia Charalambous, ITAM, Mexico City
(105235266) 
3:30 p.m.
A Brownian motion on the group Diff($S^1$).
Mang Wu*, Department of Mathematics, University of Connecticut
(105260101) 
4:00 p.m.
Heat kernel analysis for semiinfinite Lie groups.
Tai Melcher*, University of Virginia
(105260325) 
4:30 p.m.
Free heat kernel analysis and liberation.
Todd Kemp*, MIT / UC San Diego
(105246262)

3:00 p.m.

Saturday October 24, 2009, 3:00 p.m.5:50 p.m.
Special Session on qSeries and Related Areas in Enumerative Combinatorics and Number Theory, II
Room 216, Thomas Building
Organizers:
David Little, Pennsylvania State University dlittle@math.psu.edu
James Sellers, Pennsylvania State University
Ae Ja Yee, Pennsylvania State University

3:00 p.m.
A combinatorial Legendre Transform.
David M. Jackson*, University of Waterloo, Canada
Achim Kempf, University of Waterloo, Canada
Alejandro Morales, University of Waterloo, Canada
(105205292) 
3:30 p.m.
Annular embeddings of permutations for arbitrary genus.
Ian Goulden*, Dept. Combinatorics and Optimization, University of Waterloo, Canada
William Slofstra, Dept. Mathematics, University of California, Berkeley
(105205245) 
4:00 p.m.
Alternating Permutations and $k$th Descents.
Kagan Kursungoz*, The Pennsylvania State University
Ae Ja Yee, The Pennsylvania State University
(10520564) 
4:30 p.m.
Annihilation Coefficients, Binomial Expansions and {$q$}Analogs.
Jocelyn Quaintance*, West Virginia University
H. W. Gould, West Virginia University
(10520559) 
5:00 p.m.
Ramanujan Congruence Properties of the Restricted Partition Function $p(n,m)$.
Brandt Kronholm*, University at Albany, Albany, New York
(105211137) 
5:30 p.m.
A new view of the little Göllnitz products.
Sylvie Corteel, CNRS, LRI, Universite ParisSud
Carla D Savage*, Dept. of Computer Science, North Carolina State University
Andrew V Sills, Dept. of Mathematical Sciences, Georgia Southern University
(105205213)

3:00 p.m.
Sunday October 25, 2009

Sunday October 25, 2009, 7:30 a.m.10:50 a.m.
Special Session on Commutative Algebra and Applications to Algebraic Geometry, III
Room 104, Thomas Building
Organizers:
Janet Striuli, Fairfield University jstriuli@mail.fairfield.edu
Jooyoun Hong, Southern Connecticut State University

7:30 a.m.
Filtered Numerical Semigroups and Applications to OneDimensional Rings.
Lance Bryant*, Shippensburg University
(105213320) 
8:00 a.m.
A CohenMacaulay algebra has only finitely many semidualizing modules.
Lars Winther Christensen*, Texas Tech University
Sean SatherWagstaff, North Dakota State University
(105213298) 
8:30 a.m.
Vanishing of selfextensions over a complete intersection.
Jesse Burke*, University of Nebraska  Lincoln
(105213340) 
9:00 a.m.
Ranks of indecomposable maximal CohenMacaulay modules.
Andrew Crabbe*, Syracuse University
Silvia Saccon, University of NebraskaLincoln
(105213190) 
9:30 a.m.
Cohomology over short Gorenstein local rings.
Inês Bonacho dos Anjos Henriques*, University of NebraskaLincoln
Liana M. Şega, University of Missouri
(105213125) 
10:00 a.m.
Cellular resolutions of monomial ideals and LCM lattices.
Sonja Mapes*, Duke University
(105213166) 
10:30 a.m.
Commuting Nilpotent Matrices.
Leila Khatami*, Northeastern University
(105213271)

7:30 a.m.

Sunday October 25, 2009, 8:00 a.m.12:00 p.m.
Registration
Northeast entrance outside Lecture Room 100, Thomas Building 
Sunday October 25, 2009, 8:00 a.m.10:50 a.m.
Special Session on Nonlinear Waves, III
Room 122, Thomas Building
Organizers:
Bernard Deconinck, University of Washington
Diane Henderson, Pennsylvania State University dmh@math.psu.edu
J. Douglas Wright, Drexel University
David Ambrose, Drexel University

8:00 a.m.
On spectral stability for solitary water waves.
Robert L Pego*, Carnegie Mellon University
ShuMing Sun, Virginia Polytechnic Institute
(105276264) 
8:30 a.m.
Stability of stationary periodic solutions of the Euler equations.
Katie L. Oliveras*, Seattle University
Bernard Deconinck, Applied Mathematics, University of Washington
(105276214) 
9:00 a.m.
Hamiltonian formulation for water waves on variable depth.
Philippe Guyenne*, University of Delaware
(105276127) 
9:30 a.m.
Strichartz estimates for the gravity capillary equations.
Daniel Spirn*, University of Minnesota
J. Douglas Wright, Drexel University
(105276365) 
10:00 a.m.
Computation of timeperiodic solutions of the vortex sheet with surface tension.
Jon Wilkening*, UC Berkeley
David Ambrose, Drexel University
(105276284) 
10:30 a.m.
Free Surface Hydrodynamics in Conformal Variables: New Results.
Vladimir I. Zakharov*, University of Arizona
(105276175)

8:00 a.m.

Sunday October 25, 2009, 8:00 a.m.10:45 a.m.
Special Session on Microlocal Analysis and Spectral Theory on Singular Spaces, III
Room 207, Thomas Building
Organizers:
Juan B. Gil, Pennsylvania State University, Altoona jgil@psu.edu
Thomas Krainer, Pennsylvania State University, Altoona

8:00 a.m.
Sharp upper bounds for resonance counting in perturbations of hyperbolic space.
David Borthwick*, Emory University
(105258227) 
9:00 a.m.
Upper bounds for eigenvalues of submanifolds.
Bruno Colbois, University of Neuchatel
Emily B. Dryden*, Bucknell University
Ahmad El Soufi, University of Tours
(105258231) 
10:00 a.m.
The regularsingular SturmLiouville operators and their zetadeterminants.
Matthias Lesch, University of Bonn
Boris Vertman*, University of Bonn
(105234232)

8:00 a.m.

Sunday October 25, 2009, 8:00 a.m.10:50 a.m.
Special Session on Automorphisms of Riemann Surfaces and Related Topics, III
Room 117, Thomas Building
Organizers:
S. Allen Broughton, RoseHulman Institute of Technology allen.broughton@rosehulman.edu
Anthony Weaver, Bronx Community College, the City University of New York
Aaron D. Wootton, University of Portland

8:00 a.m.
Beauville surfaces and finite groups.
Gareth A. Jones*, School of Mathematics, University of Southampton
(10522076) 
8:30 a.m.
The full automorphism group of a family of generalized Fermat curves.
Yolanda Fuertes, Universidad Autonoma de Madrid
Gabino GonzalezDiez*, Universidad Autonoma de Madrid
Ruben A Hidalgo, UTFSM de Valparaiso
Maximiliano Leyton, Universite Joseph Fourier, Frannce
(105230198) 
9:00 a.m.
Which $(2,3,r)$ triangle groups give rise to the strong symmetric genus of some finite group?
Michael A. Jackson*, Grove City College
(10522077) 
9:30 a.m.
The 2groups of odd strong symmetric genus.
Coy L. May, Towson University
Jay Zimmerman*, Towson University
(105220179) 
10:00 a.m.
Edgetransitive tessellations with nonnegative Euler characteristic.
Pisanski Tomaž*, University of Ljubljana, Ljubljana, Slovenia
Alen Orbanić, University of Ljubljana, Ljubljana, Slovenia
Daniel Pellicer, University of Ljubljana, Ljubljana, Slovenia
Thomas W Tucker, Colgate University
Arjana Žitnik, University of Ljubljana, Ljubljana, Slovenia
(105205248) 
10:30 a.m.
Discussion

8:00 a.m.

Sunday October 25, 2009, 8:00 a.m.10:40 a.m.
Special Session on Arithmetic and Profinite Groups, III
Room 112, Thomas Building
Organizers:
Alireza SalehiGolsefidy, Princeton University
Martin D. Kassabov, Cornell University kassabov@math.cornell.edu
Mikhail V. Ershov, University of Virginia

8:00 a.m.
On the MordellWeil rank of Jacobians of principal modular curves of prime power level.
Guillermo Mantilla*, Department of Mathematics, University of Wisconsin, Madison, WI.
(10521183) 
8:40 a.m.
Residual properties of 1related groups.
Mark Sapir*, Vanderbilt University
(105220135) 
9:20 a.m.
Groups with bounded generation.
Andrei S. Rapinchuk*, Department of Mathematics, University of Virginia
(105220146) 
10:15 a.m.
Bounded generation and second bounded cohomology of wreath products.
Igor V. Erovenko*, University of North Carolina at Greensboro
Nikolay Nikolov, Imperial College, London
B. Sury, Indian Statistical Institute, Bangalore
(105220120)

8:00 a.m.

Sunday October 25, 2009, 8:00 a.m.10:45 a.m.
Special Session on Homotopy Theory, III
Room 118, Thomas Building
Organizers:
James Gillespie, Pennsylvania State University, Altoona
Mark W. Johnson, Pennsylvania State University, Altoona mwj3@psu.edu
Simona Paoli, University of Haifa
Donald Yau, Ohio State University

8:00 a.m.
Stable splittings of classifying spaces.
Ragnarsson Kari*, DePaul University
(105255161) 
8:30 a.m.
The motivic fundamental group of the punctured projective line.
Bertrand J Guillou*, University of Illinois at UrbanaChampaign
(105219194) 
9:00 a.m.
On the nonexistence of elements of Kervaire invariant one.
Michael Hill, University of Virginia
Michael Hopkins, Harvard University
Douglas Ravenel*, University of Rochester
(105255342) 
10:00 a.m.
Nonexistence of Kervaire invariant one elements and a homotopy fixed point spectral sequence.
Michael Hill*, University of Virginia
Michael Hopkins, Harvard University
Douglas Ravenel, University of Rochester
(105255343)

8:00 a.m.

Sunday October 25, 2009, 8:00 a.m.10:50 a.m.
Special Session on Random Dynamics: Where Probability and Ergodic Theory Meet, III
Room 111, Thomas Building
Organizers:
Manfred Denker, Pennsylvania State University denker@math.psu.edu
Wojbor A. Woyczynski, Case Western Reserve University

8:00 a.m.
Nonlinear nonlocal evolution equations driven by Levy diffusions.
Wojbor A. Woyczynski*, Case Western Reserve University
(105260345) 
8:30 a.m.
Probability Estimates for Brownian Sheets.
Wenbo V. Li*, Department of Mathematical Sciences, University of Delaware
(105260216) 
9:30 a.m.
Correlated Brownian Motions and the Depletion Effect in Colloids [Based on joint work with Marshall Leitman (CWRU) and Jay Mann (CWRU)].
Peter M. Kotelenez*, Case Western Reserve University, Department of Mathematics
(105260171) 
10:30 a.m.
On the periodically forced Ornstein Uhlenbeck process with reset.
Peter J. Thomas*, Case Western Reserve University
(105260270)

8:00 a.m.

Sunday October 25, 2009, 8:00 a.m.10:50 a.m.
Special Session on Combinatorial and Homological Aspects of Commutative Algebra, III
Room 125, Thomas Building
Organizers:
Amanda I. Beecher, United States Military Academy amanda.beecher@usma.edu
Alexandre B. Tchernev, University at Albany

8:00 a.m.
Free resolutions over Koszul algebras.
Luchezar L. Avramov, University of Nebraska
Aldo Conca, University of Genova
Srikanth B Iyengar*, University of Nebraska
Yongwei Yao, Georgia State University
(10521378) 
8:30 a.m.
On Gregular local rings and Golod homomorphisms.
Lars Winther Christensen, Texas Tech University
W. Frank Moore*, Cornell University
(105213354) 
9:00 a.m.
Iterating the construction of the Gorenstein projectives.
Diana White*, University of Colorado Denver
Sean SatherWagstaff, North Dakota State University
Tirdad Sharif, IPM
(105213294) 
9:30 a.m.
The Hilbert scheme of the diagonal in a product of projective spaces.
Dustin A. Cartwright*, University of Califorina, Berkeley
Bernd Sturmfels, University of California, Berkeley
(105213301) 
10:00 a.m.
Singularities of plane curves which are parameterized by homogeneous forms of small degree.
Andrew R Kustin*, University of South Carolina
(105213103) 
10:30 a.m.
The *core of an ideal.
Louiza Fouli, New Mexico State University
Janet Vassilev*, University of New Mexico
Adela Vraciu, University of South Carolina
(105213212)

8:00 a.m.

Sunday October 25, 2009, 8:00 a.m.10:50 a.m.
Special Session on Integrable Systems and Related Areas, III
Room 217, Thomas Building
Organizers:
Sam Evans, University of Notre Dame
Michael Gekhtman, University of Notre Dame
LuenChau Li, Pennsylvania State University luenli@math.psu.edu

8:00 a.m.
Absolute Continuity of a Measure on a Homogeneous Set.
Alexei Poltoratski, Texas A&M University
Barry Simon, California Institute of Technology
Maxim Zinchenko*, Western Michigan University
(105226306) 
8:30 a.m.
From circles to cables: closed finitegap solutions of the Vortex Filament Flow.
Annalisa M Calini*, Department of Mathematics, College of Charleston
Thomas Ivey, Department of Mathematics, College of Charleston
(105235314) 
9:00 a.m.
Explicit multipeakon solutions of Novikov's cubically nonlinear integrable CamassaHolm type equation.
Jacek Szmigielski*, Department of Mathematics and Statistics, University of Saskatchewan
(10523565) 
9:30 a.m.
Abel transform as the semiclassical limit of the scattering transform for the focusing NLS.
Alexander Tovbis*, University of Central Florida
(105244310) 
10:00 a.m.
Universality in the profile of the nonlinear Schrödinger equation at the first breaking curve.
Marco Bertola*, Concordia University, Montreal
Alexander Tovbis, University of Central Florida
(105241290) 
10:30 a.m.
Explicitly Solvable Nonholonomic Systems.
Oscar E Fernandez*, University of Michigan  Ann Arbor, MI
Anthony M Bloch, University of Michigan  Ann Arbor, MI
(105270229)

8:00 a.m.

Sunday October 25, 2009, 8:00 a.m.9:50 a.m.
Special Session on Geometry of Integrable and NonIntegrable Dynamics, III
Room 209, Thomas Building
Organizers:
Boris Khesin, University of Toronto
Mark Levi, Pennsylvania State University
Sergei Tabachnikov, Pennsylvania State University tabachni@math.psu.edu

8:00 a.m.
Dependence on initial data for solutions of the Euler equations.
Gerard Misiolek*, University of Notre Dame
(105258295) 
8:30 a.m.
On Liouville integrability of hprojectively equivalent Kahler metrics.
Peter Topalov*, Northeastern University
Kazuyoshi Kiyohara, Okayama University
(105237263) 
9:00 a.m.
Experimental and theoretical results on the Koch Snowflake billiard and its associated flat surface.
Michel L. Lapidus, University of California, Riverside
Robert G. Niemeyer*, University of California, Riverside
(10523738) 
9:30 a.m.
Tire tracks geometry and Menzin's conjecture.
Mark Levi, Penn State
Sergei Tabachnikov*, Penn State
(105253324)

8:00 a.m.

Sunday October 25, 2009, 8:00 a.m.10:50 a.m.
Special Session on Symplectic, Contact, and Complex Structures on Manifolds, III
Room 210, Thomas Building
Organizers:
Philippe Rukimbira, Florida International University rukim@fiu.edu
Tedi C. Draghici, Florida International University
Gueo V. Grantcharov, Florida International University

8:00 a.m.
On a class of homogeneous spaces with nonnegative curvature.
Megan M Kerr*, Wellesley College
Andreas Kollross, University of Augsburg
(105253172) 
8:30 a.m.
Distinguished metrics conformal to Kähler metrics.
Gideon Maschler*, Clark University
(105253278) 
9:00 a.m.
Dirac structures and contact geometry.
Aissa Wade*, Penn State University
(105253272) 
9:30 a.m.
Hyperbolic curves in compact complex parallelizable manifolds.
Mirroslav T Yotov*, Florida International University
(105232252) 
10:00 a.m.
A new cohomology decomposition of almost complex 4manifolds.
Weiyi Zhang*, University of Minnesota
(105253305) 
10:30 a.m.
Variations of Cohomological Spaces of Generalized Complex Structures.
Brian Rolle*, University of California, Riverside
Y S Poon, University of California, Riverside
D Grandini, University of California, Riverside
(105253296)

8:00 a.m.

Sunday October 25, 2009, 8:00 a.m.10:50 a.m.
Special Session on qSeries and Related Areas in Enumerative Combinatorics and Number Theory, III
Room 216, Thomas Building
Organizers:
David Little, Pennsylvania State University dlittle@math.psu.edu
James Sellers, Pennsylvania State University
Ae Ja Yee, Pennsylvania State University

8:00 a.m.
Partition Analysis and Partition Congruences.
Peter Paule*, RISC, Johannes Kepler University Linz
Silviu Radu, RISC, Johannes Kepler University Linz
(105211202) 
8:30 a.m.
Biranks for partitions into 2 colors.
Frank Garvan*, University of Florida
(105211208) 
9:00 a.m.
understanding the mock theta functions through the basic bilateral hypergeometric series.
YounSeo Choi*, Korea Institute for Advanced Study
(105211111) 
9:30 a.m.
The Quadratic AGM in the context of Mock Modular Forms.
Sharon Anne Garthwaite*, Bucknell University
(10521195) 
10:00 a.m.
A bijective proof of Bressoud's Conjecture related to the RogersRamanujan Identities.
Shishuo Fu*, The Pennsylvania State University  University Park
(105205162) 
10:30 a.m.
Some Fine Combinatorics.
David Little*, Penn State University
(105205185)

8:00 a.m.

Sunday October 25, 2009, 8:00 a.m.12:00 p.m.
Exhibit and Book Sale
Second Floor Lobby, Thomas Building 
Sunday October 25, 2009, 8:20 a.m.10:50 a.m.
Special Session on Function Fields and their Applications, III
Room 110, Thomas Building
Organizers:
Mihran Papikian, Pennsylvania State University papikian@math.psu.edu
Kirsten Eisentrager, Pennsylvania State University

8:20 a.m.
Hilbert's Tenth Problem for function fields over algebraically closed fields.
Kirsten Eisentraeger*, The Pennsylvania State University
(105211309) 
9:00 a.m.
Zeta Functions of Complexes.
Minghsuan Kang*, Pennsylvania State University, Math Department
(10522049) 
9:40 a.m.
Elliptic curves of high rank and explicit points over function fields.
Douglas Ulmer*, Georgia Institute of Technology
(105211224) 
10:20 a.m.
Reductions of elliptic curves of global function fields.
Alina Carmen Cojocaru*, University of Illinois at Chicago
Arpad Toth, Eotos Lorand University, Budapest
(105211315)

8:20 a.m.

Sunday October 25, 2009, 8:30 a.m.10:50 a.m.
Special Session on Analytic Number Theory, III
Room 201, Thomas Building
Organizers:
Angel V. Kumchev, Towson University akumchev@towson.edu
Michael P. Knapp, Loyola College
Robert C. Vaughan, Pennsylvania State University

8:30 a.m.
Missed it by that much.
Pradipto Banerjee, University of South Carolina
Michael Filaseta*, University of South Carolina
(10521170) 
9:00 a.m.
Turan's problem on the distance to an irreducible polynomial.
Michael J. Mossinghoff*, Davidson College
(105211187) 
9:30 a.m.
The fluctuations in the number of points on a family of curves over a finite field.
Maosheng Xiong*, Dept. Mathematics, Pennsylvania State University
(10521155) 
10:00 a.m.
On uniform bounds for lattice points in intersections of hyperbolic plane regions.
Patrick X. Rault*, SUNY Geneseo
(10521153) 
10:30 a.m.
Asymptotic formulas for ternary quadratic forms.
Roger C Baker*, Brigham Young University
(10521137)

8:30 a.m.

Sunday October 25, 2009, 8:30 a.m.10:50 a.m.
Special Session on nBody Problems in Relativity, III
Room 220, Thomas Building
Organizers:
Michael K. H. Kiessling, Rutgers University miki@math.rutgers.edu
Pavel B. Dubovski, Stevens Institute of Technology
Shadi TahvildarZadeh, Rutgers University

8:30 a.m.
Dynamical collapse of massive stars in the HarteeFockapproximation.
Christian Hainzl*, University of Alabama at Birmingham
(105281136) 
9:00 a.m.
Binary black hole collisions: techniques, status and prospects.
Manuel Tiglio*, Center for Scientific Computing and Mathematical Modeling, and Department of Physics. University of Maryland.
(105283291) 
9:30 a.m.
Binary black hole as engines of both gravitational and electromagnetic emissions.
Luis Lehner*, Perimeter Institute for Theoretical Physics & Univ of Guelph.
(105283151) 
10:00 a.m.
Recent global results for the relativistic Boltzmann equation.
Robert M. Strain*, University of Pennsylvania
(10523556) 
10:30 a.m.
Does Zipf's Law hold in Nuclear Fragmentation?
Wolfgang Bauer*, Department of Physics and Astronomy, Michigan State University
Kerstin Paech, Department of Physics and Astronomy, Michigan State University
Scott Pratt, Department of Physics and Astronomy, Michigan State University
(105282123)

8:30 a.m.

Sunday October 25, 2009, 8:30 a.m.9:50 a.m.
Special Session on Difference Equations and Applications, III
Room 208, Thomas Building
Organizers:
Michael A. Radin, Rochester Institute of Technology michael.radin@rit.edu

8:30 a.m.
Convergence of MaxType and RankType Equations.
Timothy Sauer*, George Mason University
(105239221) 
9:00 a.m.
Convergence Results on a SecondOrder Rational Difference Equation with Quadratic Terms.
Candace M. Kent*, Virginia Commonwealth University
David M. Chan, Virginia Commonwealth University
Norma L. OrtizRobinson, Virginia Commonwealth University
(10523946) 
9:30 a.m.
Monotonic and Periodic Character of solutions of the Rational Difference Equation $x_{n+1}=\frac{A_n X_{n1}}{1 + X_n + X_{n1}}$.
Nicholas A Battista*, Rochester Institute Of Technology
Michael A Radin, Rochester Institute Of Technology
(10523972)

8:30 a.m.

Sunday October 25, 2009, 8:30 a.m.10:50 a.m.
Special Session on Algebraic Combinatorics, III
Room 215, Thomas Building
Organizers:
Peter McNamara, Bucknell University peter.mcnamara@bucknell.edu
Mark Skandera, Lehigh University

8:30 a.m.
Total positivity in loop groups.
Thomas Lam, University of Michigan
Pavlo Pylyavskyy*, University of Michigan
(105205117) 
9:00 a.m.
A combinatorial interpretation of coefficients arising in the quantum polynomial ring.
Justin J. Lambright*, Lehigh University
(105205121) 
9:30 a.m.
Positivity results for cluster algebras.
Gregg Musiker*, MIT
Ralf Schiffler, University of Connecticut
Lauren Williams, UC Berkeley
(10520571) 
10:00 a.m.
The Cluster Monomial and Dual Canonical Bases of $\mathbb{Z}[x_{11}, ... , x_{33}]$.
Brendon Rhoades*, MIT
(105205209) 
10:30 a.m.
A new construction of KazhdanLusztig's representations of the Hecke algebra.
Charles Buehrle*, Lehigh University
(10520580)

8:30 a.m.

Sunday October 25, 2009, 8:30 a.m.10:20 a.m.
Special Session on Heat Kernel Analysis, III
Room 223, Thomas Building
Organizers:
Maria Gordina, University of Connecticut gordina@math.uconn.edu
Laurent SaloffCoste, Cornell University

8:30 a.m.
Generalized Bochner formulas and Ricci lower bounds for subRiemannian manifolds of rank two.
Fabrice Baudoin*, Purdue University
Nicola Garofalo, Purdue University
(105235257) 
9:00 a.m.
Generalized Bochner formulas and Ricci lower bounds for subRiemannian manifolds of rank two.
Fabrice Baudoin, Purdue University
Nicola Garofalo*, Purdue University
(10525190) 
9:30 a.m.
Hypoelliptic heat kernel inequalities on Htype groups.
Nathaniel Eldredge*, Cornell University
(10523562) 
10:00 a.m.
An analogue of the mean curvature flow in subRiemannian geometry.
Luca Capogna*, University of Arkansas
(105235102)

8:30 a.m.

Sunday October 25, 2009, 8:30 a.m.10:25 a.m.
Session for Contributed Papers
Room 120, Thomas Building

9:00 a.m.
Useful Generalizations in Arguments Verifying Huppert's Conjecture.
Thomas Philip Wakefield*, Youngstown State University
(105220267) 
9:15 a.m.
A generalization of Meshulam's theorem on subsets of finite abelian groups with no 3term arithmetic progression.
Y.R. Liu, University of Waterloo, Canada
C. V. Spencer, Kansas State University , US
X. Zhao*, University of Waterloo, Canada
(105211280) 
9:30 a.m.
On the Stochastic Immersed Boundary Method with an implicit interface formation.
Qiang Du, Department of Mathematics, Penn State University at University Park
Manlin Li*, Department of Mathematics, Penn State University at University Park
(10523542) 
9:45 a.m.
On ideals in real locally C* and locally JBalgebras.
Alexander A Katz, St. John's University, NY
Oleg Friedman*, University of South Africa, Pretoria, South Africa
(10524610) 
10:00 a.m.
On the notion of $\Phi $normed spaces.
Alexander A. Katz*, St. John's University, NY
(10524611) 
10:15 a.m.
On the notion of a real Hilbert module over real locally C*algebra.
Alexander A Katz, St. John's University, NY
Roman Kushnir*, University of South Africa, Pretoria, South Africa
(10524614)

9:00 a.m.

Sunday October 25, 2009, 9:00 a.m.10:50 a.m.
Special Session on Topics in Mathematical Finance, III
Room 222, Thomas Building
Organizers:
Nick Costanzino, Pennsylvania State University costanzi@math.psu.edu
Anna L. Mazzucato, Pennsylvania State University
Victor Nistor, Pennsylvania State University

9:00 a.m.
Stochastic volatility models: Parameter estimation for a reduced model.
Ionut Florescu*, Stevens Institute of Technology
(10526039) 
9:30 a.m.
Constructing approximation algorithms for financial calculus from weak convergence results.
Radu S Tunaru*, City University
(10526030) 
10:00 a.m.
Bond and Stock Market Equilibrium with Heterogeneous Agents Receiving Unspanned Income.
Kasper Larsen*, Carnegie Mellon University
(105291288) 
10:30 a.m.
Perils of factor formation and predicting returns.
Timothy Simin*, Smeal College of Business, PSU
(105255348)

9:00 a.m.

Sunday October 25, 2009, 9:00 a.m.10:50 a.m.
Special Session on New Trends in Triangulated Categories and their Associated Cohomology Theories, III
Room 119, Thomas Building
Organizers:
Sunil Kumar Chebolu, Illinois State University schebol@ilstu.edu
Keir H. Lockridge, Wake Forest University

9:00 a.m.
Vanishing Theorems for Real Algebraic Cycles.
Jeremiah Heller*, Northwestern University
(105214155) 
9:30 a.m.
Tiny, spectacular Galois jewels in the midst of mysterious giants.
Jan Minac*, University of Western Ontario
(10521275) 
10:00 a.m.
Continuous homotopy fixed point spectra: finiteness properties and computations.
Troy Winfree*, University of Rochester
(105255138) 
10:30 a.m.
Additivity of the Reidemeister trace.
Kate Ponto*, University of Notre Dame
(105255167)

9:00 a.m.

Sunday October 25, 2009, 9:00 a.m.10:50 a.m.
Special Session on Partial Differential Equations of Mixed EllipticHyperbolic Type and Applications, III
Room 113, Thomas Building
Organizers:
Barbara Lee Keyfitz, Ohio State University bkeyfitz@math.ohiostate.edu
Kevin Ray Payne, Universita' di Milano

9:00 a.m.
The Pressure Gradient System.
Yuxi Zheng*, Penn State, University Park
Zachary Robinson, Penn State
(105235201) 
9:30 a.m.
Transonic two dimensional Riemann problems.
Eun Heui Kim*, California State University Long Beach
(105235347) 
10:00 a.m.
Highresolution solutions for shock formation in transonic flow.
Allen M. Tesdall*, Department of Mathematics, City University of New York, College of Staten Island
(105276352) 
10:30 a.m.
Transonic regular reflection for the isentropic gas dynamics equations.
Katarina Jegdic*, University of Houston  Downtown
Barbara Lee Keyfitz, Ohio State University
Suncica Canic, University of Houston
(105235351)

9:00 a.m.

Sunday October 25, 2009, 11:00 a.m.11:50 a.m.
Invited Address
Diophantine approximation to curves and surfaces.
Room 101, Thomas Building
Robert C. Vaughan*, Penn State University
(10521105) 
Sunday October 25, 2009, 2:00 p.m.2:50 p.m.
Invited Address
Nbody problems in relativity.
Room 101, Thomas Building
Michael K. H. Kiessling*, Rutgers University
(10528306) 
Sunday October 25, 2009, 3:00 p.m.3:20 p.m.
Special Session on Nonlinear Waves, IV
Room 24, McAllister Building
Organizers:
Bernard Deconinck, University of Washington
Diane Henderson, Pennsylvania State University dmh@math.psu.edu
J. Douglas Wright, Drexel University
David Ambrose, Drexel University

3:00 p.m.
Tour of the William G. Pritchard Fluid Mechanics Laboratory, led by Diane Henderson

3:00 p.m.

Sunday October 25, 2009, 3:00 p.m.5:45 p.m.
Special Session on Microlocal Analysis and Spectral Theory on Singular Spaces, IV
Room 207, Thomas Building
Organizers:
Juan B. Gil, Pennsylvania State University, Altoona jgil@psu.edu
Thomas Krainer, Pennsylvania State University, Altoona

3:00 p.m.
Properties of the biharmonic functions: Hadamard's conjecture, regularity of the Green function and Wiener criterion.
Svitlana Mayboroda*, Purdue University
(105235238) 
4:00 p.m.
Linear elliptic operators requiring indefinite terms in the quadratic Dirichlet form in order for a full coercive estimate to hold.
Gregory Verchota*, Syracuse University
(105235239) 
5:00 p.m.
Pseudodifferential operators on the unit circle.
Shahla Molahajloo*, York University
(105235241)

3:00 p.m.

Sunday October 25, 2009, 3:00 p.m.5:50 p.m.
Special Session on Automorphisms of Riemann Surfaces and Related Topics, IV
Room 117, Thomas Building
Organizers:
S. Allen Broughton, RoseHulman Institute of Technology allen.broughton@rosehulman.edu
Anthony Weaver, Bronx Community College, the City University of New York
Aaron D. Wootton, University of Portland

3:00 p.m.
Automorphisms of Pants and Tori: Primitives and Palindromes.
Jane Piore Gilman*, Department of Mathematics, Rutgers University, Newark
Linda Keen, Mathematics Department, Lehman College, CUNY
(105220191) 
3:30 p.m.
Pairs of symmetries of Riemann surfaces.
Ewa KozlowskaWalania*, Institute of Mathematics, University of Gdansk
(105230205) 
4:00 p.m.
Application of theory of coverings in a study of Riemann surfaces.
Ewa Tyszkowska*, University of Gdansk
(105255249) 
4:30 p.m.
Seeing symmetries of surfaces in 3space.
Thomas Tucker*, Colgate University
(105220110) 
5:00 p.m.
Towards Thomae formula for general cyclic covers of the Sphere.
Yaacov Kopeliovich*, MEAG NY
(10523045) 
5:30 p.m.
Flat Surfaces, Teichmueller Discs, Veech Groups, and the Veech Tessellation.
S. Allen Broughton*, RoseHulman Institute of Technology
Christopher Judge, Indiana University
(10521487)

3:00 p.m.

Sunday October 25, 2009, 3:00 p.m.5:50 p.m.
Special Session on Analytic Number Theory, IV
Room 201, Thomas Building
Organizers:
Angel V. Kumchev, Towson University akumchev@towson.edu
Michael P. Knapp, Loyola College
Robert C. Vaughan, Pennsylvania State University

3:00 p.m.
Multiplicative mimicry and improvements of the PólyaVinogradov inequality.
Leo Goldmakher*, University of Toronto
(105211149) 
3:30 p.m.
Zeros of partial sums of the Riemann zetafunction.
Steve M. Gonek*, University of Rochester
Andrew H. Ledoan, University of Rochester
(105211211) 
4:00 p.m.
Distribution of values of $L$functions at the edge of the critical strip.
Youness Lamzouri*, IAS Princeton
(105211196) 
4:30 p.m.
On the lowlying zeros of Dedekind zeta functions associated to cubic number fields.
Andrew Yang*, Dartmouth College
(10521191) 
5:00 p.m.
Integrals of Characteristic Polynomials of Unitary Matrices, and an Application to the Riemann Zeta Function.
Donald Richards*, Penn State University
(10521160)

3:00 p.m.

Sunday October 25, 2009, 3:00 p.m.5:00 p.m.
Special Session on nBody Problems in Relativity, IV
Room 220, Thomas Building
Organizers:
Michael K. H. Kiessling, Rutgers University miki@math.rutgers.edu
Pavel B. Dubovski, Stevens Institute of Technology
Shadi TahvildarZadeh, Rutgers University

3:00 p.m.
Generalrelativistic Nonlinear Electrodynamics.
A. Shadi TahvildarZadeh*, Rutgers University  New Brunswick
(105283289) 
3:30 p.m.
Panel discussion chaired by Michael K.H. Kiessling

3:00 p.m.

Sunday October 25, 2009, 3:00 p.m.5:50 p.m.
Special Session on Homotopy Theory, IV
Room 118, Thomas Building
Organizers:
James Gillespie, Pennsylvania State University, Altoona
Mark W. Johnson, Pennsylvania State University, Altoona mwj3@psu.edu
Simona Paoli, University of Haifa
Donald Yau, Ohio State University

3:00 p.m.
Derivatives of the identity functor and generalizations of Milnor's invariants.
Brian A Munson*, Wellesley College
(105257169) 
3:30 p.m.
On the continuous cohomology of BlochKato profinite groups.
Ido Efrat, BenGurion univeristy of the Negev
Sunil Kumar Chebolu*, Illinois State Univeristy
Jan Minac, University of Western Ontario
(10525544) 
4:00 p.m.
Twotrack categories.
David Blanc, University of Haifa
Simona Paoli*, Penn State Altoona
(105255254) 
4:30 p.m.
An introduction to a topological Langlands program.
Andrew Salch*, Johns Hopkins University
(105255339) 
5:00 p.m.
The connective Ktheory of finite groups.
Kijti Rodtes*, The University Of Sheffield
(10525525) 
5:30 p.m.
Secondary Cohomology and kinvariants.
Staic D Mihai*, Indiana University
(105255181)

3:00 p.m.

Sunday October 25, 2009, 3:00 p.m.4:10 p.m.
Special Session on Function Fields and their Applications, IV
Room 110, Thomas Building
Organizers:
Mihran Papikian, Pennsylvania State University papikian@math.psu.edu
Kirsten Eisentrager, Pennsylvania State University

3:00 p.m.
Additive combinatorics in function fields.
Craig Valere Spencer*, Kansas State University
(105211144) 
3:40 p.m.
Surfaces dominated by products of curves and ranks of abelian varieties.
Lisa Berger*, Stony Brook University, Mathematics Department
(105211302)

3:00 p.m.

Sunday October 25, 2009, 3:00 p.m.3:50 p.m.
Special Session on Random Dynamics: Where Probability and Ergodic Theory Meet, IV
Room 111, Thomas Building
Organizers:
Manfred Denker, Pennsylvania State University denker@math.psu.edu
Wojbor A. Woyczynski, Case Western Reserve University

3:00 p.m.
Multivariate Averaging.
M. Denker*, Mathematics Department, Pennsylvania State University
(105260188) 
3:30 p.m.
Geometry of the Restricted Boltzmann Machine.
Maria Angelica Cueto, University of California, Berkeley
Jason R. Morton*, Pennsylvania State University
Bernd Sturmfels, University of California, Berkeley
(105260268)

3:00 p.m.

Sunday October 25, 2009, 3:00 p.m.5:20 p.m.
Special Session on Algebraic Combinatorics, IV
Room 215, Thomas Building
Organizers:
Peter McNamara, Bucknell University peter.mcnamara@bucknell.edu
Mark Skandera, Lehigh University

3:00 p.m.
A Eulogy for Jack Good.
Doron Zeilberger*, Rutgers University
(10520531) 
3:30 p.m.
Counting facet derangements of hypercubes.
Gary Gordon*, Lafayette College
Elizabeth McMahon, Lafayette College
(10520567) 
4:00 p.m.
Descent sets of cyclic permutations.
Sergi Elizalde*, Dartmouth College
(105205193) 
4:30 p.m.
Infinitely many new partition statistics.
Gregory S. Warrington*, University of Vermont
Nicholas A. Loehr, Virginia Tech
(105205251) 
5:00 p.m.
Probabilistic proofs of hook length formulas involving trees.
Bruce E. Sagan*, Michigan State University and NSF
(10520558)

3:00 p.m.

Sunday October 25, 2009, 3:00 p.m.4:50 p.m.
Special Session on Symplectic, Contact, and Complex Structures on Manifolds, IV
Room 210, Thomas Building
Organizers:
Philippe Rukimbira, Florida International University rukim@fiu.edu
Tedi C. Draghici, Florida International University
Gueo V. Grantcharov, Florida International University

3:00 p.m.
Informal Session

3:00 p.m.

Sunday October 25, 2009, 3:00 p.m.4:40 p.m.
Session for Contributed Papers
Room 120, Thomas Building

3:15 p.m.
A New Use of Group Representation Theory in Statistics.
Arthur Berg*, Penn State University (previously, University of Florida)
(10520557) 
3:30 p.m.
On the existence of a class of $(v, k, \lambda)$ difference sets with $k < 350$, $n=k  \lambda = m^2 , m = 8, 9, 11, 14$ and $v = 0 \pmod{68}$.
Solomon Adegoke Osifodunrin*, Bloomsburg University of Pennsylvania, Bloomsburg PA
(105205344) 
3:45 p.m.
Analysis of Gene Expressions Using Young Tableaux.
Sanju Vaidya*, Mercy College
(105292108) 
4:00 p.m.
Trajectory Controllability of Integro differential second order semilinear system in Banach space.
Dimplekumar N. Chalishajar*, Virginia Military Institute (VMI) and Mary Baldwin College, VA
Falguni S Acharya, Parul Insti. of Tech., Limbda, Waghodia,Vadodara, Gujarat, India
(105293109) 
4:15 p.m.
The Simplest Continuous Model of Financial Chaos and Noise.
James M. Haley*, H.J. Heinz Chair of Management, Point Park University
(105200350) 
4:30 p.m.
The Use of Random Dynamical Systems in Computational AgentBased Modeling.
Andrew Clark*, Thomson Reuters
(105260335)

3:15 p.m.