
AMS Sectional Meeting Full Program
Current as of Saturday, October 31, 2009 01:40:03
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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

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)

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

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)

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

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

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)

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

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

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

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

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)

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)

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

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

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)

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)

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

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

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)

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

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

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)

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

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)

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

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)

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)

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)

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)

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

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

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

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

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)

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

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)

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)

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

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

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

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)
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)

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)

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

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

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)

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

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

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)

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)

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

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)

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

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

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

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)

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

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)

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

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)

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

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

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)

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

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

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)

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

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

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

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

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

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

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

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)
Inquiries: meet@ams.org

