AMS Sectional Meeting Program by Day
Current as of Saturday, September 17, 2011 00:24:58
Inquiries: meet@ams.org
2011 Fall Eastern Sectional Meeting
Cornell University, Ithaca, NY
September 1011, 2011 (Saturday  Sunday)
Meeting #1072
Associate secretaries:
Steven H Weintraub, AMS shw2@lehigh.edu
Saturday September 10, 2011

Saturday September 10, 2011, 7:30 a.m.4:00 p.m.
Exhibits and Book Sale
Lounge, 5th Floor, Malott Hall 
Saturday September 10, 2011, 7:30 a.m.4:00 p.m.
Meeting Registration
Lounge, 5th Floor, Malott Hall 
Saturday September 10, 2011, 8:00 a.m.10:50 a.m.
Special Session on Analysis, Probability, and Mathematical Physics on Fractals, I
Room 406, Malott Hall
Organizers:
Luke Rogers, University of Connecticut
Robert Strichartz, Cornell University
Alexander Teplyaev, University of Connecticut teplyaev@math.uconn.edu

8:00 a.m.
The Homotopy Critical Spectrum of a Metric Space I.
Conrad Plaut*, University of TennesseeKnoxville
Jay Wilkins, University of Connecticut
(107253224) 
8:30 a.m.
The Homotopy Critical Spectrum of a Metric Space II.
Jay Wilkins*, University of Connecticut
Conrad Plaut, University of Tennessee
(107251225) 
9:00 a.m.
$1$forms on fractals and harmonic spaces.
Michael Hinz*, FriedrichSchillerUniversity Jena, Math. Institute, Jena, Germany
(107260220) 
9:30 a.m.
Spectral Triples on the Sierpinski gasket.
Fabio E.G. Cipriani*, Professor of Mathematical Analysis at Politecnico of Milano  Italy
(107246254) 
10:00 a.m.
Differential 1forms, their Integrals and Potential Theory on the Sierpinski Gasket.
Fabio Cipriani, Politecnico di Milano, Italy
Daniele Guido*, Univ. Roma Tor Vergata, Italy
Tommaso Isola, Univ. Roma Tor Vergata, Italy
JeanLuc Sauvageot, CNRS, Paris
(107246221) 
10:30 a.m.
Piecewise harmonic functions, derivations and 1forms on certain fractals.
Marius V Ionescu, Colgate University
Luke G Rogers*, University of Connecticut
Alexander Teplyaev, University of Connecticut
(107228272)

8:00 a.m.

Saturday September 10, 2011, 8:00 a.m.10:50 a.m.
Special Session on Difference Equations and Applications, I
Room 213, Phillips Hall
Organizers:
Michael Radin, Rochester Institute of Technology marsma@rit.edu

8:00 a.m.
Decomposition possibilities for closed relations.
Tamas Wiandt*, Rochester Institute of Technology
(10723792) 
8:30 a.m.
Some iterative rootfinding methods arising from matrices.
Sam Northshield*, SUNYPlattsburgh
(10721584) 
9:00 a.m.
On the Classical and Quantum Orthogonal Polynomial Solutions to a Class of DifferentialDifference Equations.
Daniel Joseph Galiffa*, Penn State Erie, The Behrend College
(10723312) 
9:30 a.m.
On Periodic Trichotomies.
Frank J. Palladino*, University of Rhode Island
(10723911) 
10:00 a.m.
Global solutions to systems of difference equations.
Chris D. Lynd*, University of Rhode Island
(10723935) 
10:30 a.m.
On the global behavior of the system of piecewise linear difference equations $ x_{n+1} = \vert x_{n} \vert + ay_{n} + b \qquad \mathrm{and} \qquad y_{n+1} = x_{n} + c\vert y_{n} \vert + d $.
Edward Grove, University of Rhode Island
Evelina Giusti Lapierre*, Johnson and Wales University
Wirot Tikjha, Pibulsongkram Rajabhat University
(10723924)

8:00 a.m.

Saturday September 10, 2011, 8:00 a.m.10:50 a.m.
Special Session on Gauge Theory and Lowdimensional Topology, I
Room 105, Rockefeller Hall
Organizers:
Weimin Chen, University of MassachusettsAmherst wchen@math.umass.edu
Daniel Ruberman, Brandeis University

8:00 a.m.
Contact structures, rational open books, and Dehn surgery.
Matthew E Hedden*, Michigan State University
Olga Plamenevskaya, Stony Brook University
(10725788) 
8:30 a.m.
Symplectic CalabiYau surfaces.
TianJun Li*, University of Minnesota
(10725840) 
9:00 a.m.
The sutured monopole Floer homology of M(1).
YiJen Lee*, Purdue
Taubes, Harvard
Kutluthan, Harvard
(107257108) 
9:30 a.m.
Double knot surgeries to $S^4$ and $S^2 x S^2$.
Selman Akbulut*, Michigan State University
(107257181) 
10:00 a.m.
Morse 2functions on 4manifolds.
David T Gay*, University of Georgia and Euclid Lab
Robion Kirby, University of California Berkeley
(107257207) 
10:30 a.m.
On totally twisted Khovanov homology.
Lawrence Roberts*, University of Alabama, Tuscaloosa
(107257189)

8:00 a.m.

Saturday September 10, 2011, 8:00 a.m.10:45 a.m.
Special Session on Geometry of Arithmetic Groups, I
Room 230, Rockefeller Hall
Organizers:
Mladen Bestvina, University of Utah
Ken Brown, Cornell University
Martin Kassabov, Cornell University
Tim Riley, Cornell University tim.riley@math.cornell.edu

8:00 a.m.
Survey of invariant orders on arithmetic groups.
Dave Witte Morris*, University of Lethbridge, Alberta, Canada
(107220150) 
9:00 a.m.
Volume distortion in groups.
Hanna Bennett*, University of Michigan
(107220239) 
9:30 a.m.
Recognizing 3manifold groups.
Daniel Groves, University of Illinois, Chicago
Jason Fox Manning*, University at Buffalo
Henry Wilton, University College, London
(10722076) 
10:00 a.m.
Torelli groups and symplectic groups.
Allen Hatcher, Cornell University
Dan Margalit*, Georgia Institute of Technology
(107220216)

8:00 a.m.

Saturday September 10, 2011, 8:00 a.m.10:45 a.m.
Special Session on Parabolic Evolution Equations of Geometric Type, I
Room 407, Phillips Hall
Organizers:
Xiaodong Cao, Cornell University cao@math.cornell.edu
Bennett Chow, University of California San Diego

8:00 a.m.
Spatial Asymptotic Behaviors of KählerRicci Flows and KählerEinstein Metrics over QuasiProjective Manifolds.
Zhou Zhang*, University of Sydney, Australia
(10725386) 
9:00 a.m.
Smooth metric measure spaces.
Ovidiu Munteanu*, Columbia University
(10725365) 
9:30 a.m.
On the gap phenomena of singularities of the Ricci flow.
Bing Wang*, Simons Center of Geometry and Physics
(10723564) 
10:00 a.m.
Neckpinch dynamics for asymmetric surfaces evolving by mean curvature flow.
Dan Knopf*, University of Texas at Austin
Zhou Gang, ETHZürich
I M Sigal, University of Toronto
(107235209)

8:00 a.m.

Saturday September 10, 2011, 8:30 a.m.10:50 a.m.
Special Session on Multivariable Operator Theory, I
Rm 203, Phillips Hall
Organizers:
Ronald G. Douglas, Texas A&M University
Rongwei Yang, State University of New York at Albany ryang@albany.edu

8:30 a.m.
Polynomially Weighted Spaces on the Unit Ball in $C^n$.
Ronald G. Douglas*, Texas A&M University
Kai Wang, Fudan University and Texas A&M University
(10724751) 
9:00 a.m.
Solving multivariable truncated moment problems through positive extensions.
Lawrence A Fialkow*, State University of New York at New Paltz
(10724737) 
9:30 a.m.
The Douglas Property for Multiplier Algebras.
Tavan T Trent*, University of Alabama
(10724791) 
10:00 a.m.
New estimates of essential norms of weighted composition operators between Bloch type spaces.
Ruhan Zhao*, Department of Mathematics, SUNY Brockport, Brockport, NY 14618
Jasbir Singh Manhas, Sultan Qaboos University, Oman
(10724717) 
10:30 a.m.
Composition operators on noncommutative Hardy spaces.
Gelu F Popescu*, University of Texas at San Antonio
(10724741)

8:30 a.m.

Saturday September 10, 2011, 8:30 a.m.10:50 a.m.
Special Session on Partial Differential Equations of Mixed EllipticHyperbolic Type and Applications, I
Room 403, Phillips Hall
Organizers:
Marcus Khuri, Stony Brook University khuri@math.sunysb.edu
Dehua Wang, University of Pittsburgh

8:30 a.m.
Singularities at the Sonic Line.
Barbara Lee Keyfitz*, Department of Mathematics, The Ohio State University
(107235249) 
9:00 a.m.
The vanishing viscosity limit of the incompressible magnetohydrodynamics with zero magnetic diffusivity.
Xianpeng Hu*, New York University
(107235171) 
9:30 a.m.
Supercritical and critical cases for 2D and 3D BV problems for quazilinear equations of mixed elliptichyperbolic type.
Nedyu I. Popivanov*, Department of Mathematics and Informatics, University of Sofia, Sofia, Bulgaria
(107235165) 
10:00 a.m.
Global solutions for transonic selfsimilar twodimensional Riemann problems.
Eun Heui Kim*, California State University Long Beach
(10723583) 
10:30 a.m.
Selfsimilar solutions for the diffraction of weak shocks.
Allen M. Tesdall*, Department of Mathematics, City University of New York, College of Staten Island
John K. Hunter, Department of Mathematics, University of California, Davis
(107235269)

8:30 a.m.

Saturday September 10, 2011, 8:30 a.m.10:50 a.m.
Special Session on Representations of Local and Global Groups, I
Room 122, Rockefeller Hall
Organizers:
Mahdi Asgari, Oklahoma State University asgari@math.okstate.edu
Birgit Speh, Cornell University

8:30 a.m.
Associated varieties, derivatives, Whittaker functionals, and rank for unitary representations of GL(n,R).
Siddhartha Sahi*, Mathematics Department, Rutgers University, New Brunswick NJ
Dmitry Gourevitch, Faculty of Mathematics and Computer Science, The Weizmann Institute of Science
(107222136) 
9:00 a.m.
Harmonic analysis on finite and infinite dimensional Lie supergroups.
Hadi Salmasian*, University of Ottawa
(107222162) 
9:30 a.m.
Branching Rules and Hibi Rings.
Roger Howe*, Yale University
(107222148) 
10:00 a.m.
A series of unitary representations of the quantum SU(1,1).
Bogdan Ion*, University of Pittsburgh
(107220149) 
10:30 a.m.
Some function equations for Whittaker functions on $GL(n)$.
Zhengyu Mao*, Rutgers UniversityNewark
(10722256)

8:30 a.m.

Saturday September 10, 2011, 8:30 a.m.10:50 a.m.
Special Session on Set Theory, I
Room 207, Malott Hall
Organizers:
Paul Larson, Miami University, Ohio
Justin Moore, Cornell University justin@math.cornell.edu
Ernest Schimmerling, Carnegie Mellon University

8:30 a.m.
On covering of the real line by translations of a compact set.
Tomek Bartoszynski*, National Science Foundation
Paul Larson, Miami University
Saharon Shelah, Hebrew University and Rutgers University
(10720378) 
9:00 a.m.
Universal Functions.
Arnold W. Miller*, University of Wisconsin, Madison
Paul B. Larson, Miami University
Juris Stepr{ā}ns, York University
William A.R. Weiss, University of Toronto
(107203112) 
9:30 a.m.
Break 
10:00 a.m.
Approximation of automorphisms of certain homogeneous structures.
Udayan B. Darji*, University of Louisville
(107203173) 
10:30 a.m.
Unitary representations of $L_0(\mu, {\mathbb T})$ and of $C^0(K, {\mathbb T})$.
Slawomir Solecki*, University of Illinois at UrbanaChampaign
(107203202)

8:30 a.m.

Saturday September 10, 2011, 9:00 a.m.10:50 a.m.
Special Session on Geometric Aspects of Analysis and Measure Theory, I
Room 219, Phillips Hall
Organizers:
Leonid Kovalev, Syracuse University lvkovale@syr.edu
Jani Onninen, Syracuse University
Raanan Schul, State University of New York at Stony Brook

9:00 a.m.
An Aronsson Type Approach to Extremal Quasiconformal Mappings.
Andy Raich*, University of Arkansas
Luca Capogna, University of Arkansas
(10723008) 
9:30 a.m.
Regularity of sets with quasiminimal boundary surfaces in metric measure spaces.
Nageswari Shanmugalingam*, University of Cincinnati
Juha Kinnunen, Aalto University
Riikka Korte, Helsinki University
Andrew Lorent, University of Cincinnati
(10724942) 
10:00 a.m.
Discussion 
10:30 a.m.
On the Riemann surface type of Random Planar Maps.
James T Gill*, University of Washington
Steffen Rohde, University of Washington
(107230185)

9:00 a.m.

Saturday September 10, 2011, 9:00 a.m.10:50 a.m.
Special Session on Geometric and Algebraic Topology, I
Room 110, Rockefeller Hall
Organizers:
Boris Goldfarb, University at Albany, SUNY goldfarb@albany.edu
Marco Varisco, University at Albany, SUNY

9:00 a.m.
Essential manifolds and macroscopic dimension.
Alexander Dranishnikov*, University of Florida
(10725755) 
10:00 a.m.
Secondary transfer and higher torsion.
Bernard Badzioch*, University at Buffalo, SUNY
Wojciech Dorabiala, Penn State Altoona
(107255196) 
10:30 a.m.
Detecting nontrivial elements of $\pi_i (Diff(M \times S^m))$.
Wojciech Dorabiala*, Penn State Altoona
Bernard Badzioch, University at Buffalo
(107257197)

9:00 a.m.

Saturday September 10, 2011, 9:00 a.m.10:50 a.m.
Special Session on KacMoody Lie Algebras, Vertex Algebras, and Related Topics, I
Room 231, Rockefeller Hall
Organizers:
Alex Feingold, Binghamton University
Antun Milas, State University of New York at Albany amilas@albany.edu

9:00 a.m.
An algebraic approach to genus 0 chiral conformal field theory.
Igor Kriz*, University of Michigan
(10721710) 
9:30 a.m.
Structure of rational vertex operator algebras  reviving the conformal bootstrap.
Geoffrey Mason*, UC Santa Cruz
(10721758) 
10:00 a.m.
Dilogarithms, OPE and twisted Tduality.
Marco Aldi*, Brandeis University
Reimundo Heluani, IMPA
(107217118) 
10:30 a.m.
A classical vertex algebra constructed with the use of some logarithmic formal calculus.
Thomas Robinson*, Rutgers University
(107217127)

9:00 a.m.

Saturday September 10, 2011, 9:00 a.m.10:45 a.m.
Special Session on Mathematical Aspects of Cryptography and Cyber Security, I
Room 132, Rockefeller Hall
Organizers:
Benjamin Fine, Fairfield University
Delaram Kahrobaei, City University of New York dkahrobaei@gc.cuny.edu
Gerhard Rosenberger, Passau University and Hamburg University, Germany

9:00 a.m.
Public Key Exchange Using Matrices Over Group Rings.
Charalambos M Koupparis*, CUNY Graduate Center, City University of New York
Delaram Kahrobaei, CUNY Graduate Center and City Tech, City University of New York
Vladimir Shpilrain, The City College of New York and CUNY Graduate Center
(107220195) 
9:30 a.m.
Improving Latin square based secret sharing schemes.
Chi Sing Chum, Computer Science Dept., Graduate Center, City University of New York
Xiaowen Zhang*, Computer Science Dept., College of Staten Island, CUNY
(107268155) 
10:00 a.m.
Kleene Algebra with Tests and the Static Analysis of Programs.
Dexter C Kozen*, Cornell University
(10726869)

9:00 a.m.

Saturday September 10, 2011, 9:00 a.m.10:50 a.m.
Special Session on Species and Hopf Algebraic Combinatorics, I
Room 115, Rockefeller Hall
Organizers:
Marcelo Aguiar, Texas A&M University maguiar@math.tamu.edu
Samuel Hsiao, Bard College

9:00 a.m.
Generic rectangulations and patternavoiding permutations.
Nathan Reading*, North Carolina State University
(107205124) 
9:30 a.m.
The Hopf Algebra of Sashes.
Shirley E. Law*, North Carolina State University
(107205191) 
10:00 a.m.
The Shard Intersection Order on Permutations.
Erin Elizabeth Bancroft*, Grove City College
(107205183) 
10:30 a.m.
The module of affine descents.
T. Kyle Petersen*, DePaul University
Marcelo Aguiar, Texas A&M
(10720533)

9:00 a.m.

Saturday September 10, 2011, 9:00 a.m.10:50 a.m.
Special Session on Symplectic Geometry and Topology, I
Room 104, Rockefeller Hall
Organizers:
Tara Holm, Cornell University
Katrin Wehrheim, Massachusetts Institute of Technology katrin@math.mit.edu

9:00 a.m.
Transverse knot contact homology.
Ekholm, Uppsalla
Etnyre, Georgia Tech
Ng, Duke
M. Sullivan*, UMass Amherst
(107257128) 
9:30 a.m.
Combinatorial knot contact homology and 1parameter families of knots.
Jason F McGibbon*, University of Massachusetts Amherst
(107257142) 
10:00 a.m.
Cylindrical contact homology for links of simple singularities.
Joanna K Nelson*, University of Wisconsin  Madison
(10725339) 
10:30 a.m.
On KhovanovSeidel quiver algebras and bordered Floer homology.
J. Elisenda Grigsby*, Boston College
Denis Auroux, University of California, Berkeley
Stephan M. Wehrli, Syracuse University
(107257129)

9:00 a.m.

Saturday September 10, 2011, 11:05 a.m.11:55 a.m.
Invited Address
Speakers:
Katrin Wehrheim,
How to construct topological invariants via decompositions and the symplectic category.
Bache Auditorium, Malott Hall
Katrin Wehrheim*, Massachusetts Institute of Technology
(10725404) 
Saturday September 10, 2011, 1:55 p.m.2:45 p.m.
Invited Address
Topology and geometry of $Out(F_n)$.
Bache Auditorium, Malott Hall
Mladen Bestvina*, University of Utah
(10725701) 
Saturday September 10, 2011, 3:00 p.m.5:50 p.m.
Special Session on Analysis, Probability, and Mathematical Physics on Fractals, II
Room 406, Malott Hall
Organizers:
Luke Rogers, University of Connecticut
Robert Strichartz, Cornell University
Alexander Teplyaev, University of Connecticut teplyaev@math.uconn.edu

3:00 p.m.
Spectrum of the Laplacian on periodic and quasiperiodic planar graphs.
Richard W Kenyon*, Brown University
(107282215) 
3:30 p.m.
Nodal counts of billiard eigenfunctions and critical partitions.
Gregory Berkolaiko, Texas A&M University, College Station, TX
Peter Kuchment*, Texas A&M University, College Station, TX
Uzy Smilansky, The Weizmann Institute of Science Rehovot, 76100 IL
(10723577) 
4:00 p.m.
Eigenfunction expansions for general Laplacians.
Daniel Hans Lenz*, Mathematisches Institut, FriedrichSchiller Universitaet Jena, Ernst Abbe Platz 2, D  07743 Jena, Germany
(107247217) 
4:30 p.m.
Statistical mechanics and quantum field theory on fractal structures. Application to quantum optics and superfluidity.
Eric Y Akkermans*, Physics Department, Technion Israel Institute of Technology
(107260242) 
5:00 p.m.
Thermodynamics on Fractals.
Gerald V. Dunne*, University of Connecticut
(10728180) 
5:30 p.m.
Dirichlet forms on a noncompact Cantor set and random walks on its defining tree.
Jun Kigami*, Graduate School of Informatics, Kyoto University
(10726044)

3:00 p.m.

Saturday September 10, 2011, 3:00 p.m.5:50 p.m.
Special Session on Difference Equations and Applications, II
Room 213, Phillips Hall
Organizers:
Michael Radin, Rochester Institute of Technology marsma@rit.edu

3:00 p.m.
Limits on predictability in systems of stochastic difference equations.
Harold M Hastings*, Department of Physics, Hofstra University
(10723916) 
3:30 p.m.
Nonlinear Evolutionary Dynamics of a RockPaperScissors System with Periodic Coefficients.
Rocio E. Ruelas, Center for applied Mathematics, Cornell University
Richard H. Rand*, Dept. Mathematics, Cornell University
David G. Rand, Program for Evolutionary Dynamics, Harvard University
(10723748) 
4:00 p.m.
Hydrobiological Modeling with Hyperspectral Satellite Imagery.
Sean Kramer*, Clarkson University Department of Mathematics
Erik Bollt, Clarkson University Department of Mathematics
Aaron Luttman, Clarkson University Department of Mathematics
Ranil Basnayake, Clarkson University Department of Mathematics
Tian Ma, Clarkson University Department of Mathematics
(107237121) 
4:30 p.m.
Heart Rate Variability as Determinism with Jump Stochastic Parameters.
Jiongxuan Zheng*, Clarkson University
Erik Bollt, Clarkson University
Joe Skufca, Clarkson University
(10723797) 
5:00 p.m.
A Projected LaggedDiffusivity Fixed Point Iteration for Poisson Likelihood Image Deblurring.
Aaron Luttman*, Clarkson University
Johnathan Bardsley, University of Montana
(10724981) 
5:30 p.m.
Synchronization as a process of sharing and transferring information.
Erik M Bollt*, Clarkson University
(10723750)

3:00 p.m.

Saturday September 10, 2011, 3:00 p.m.5:50 p.m.
Special Session on Gauge Theory and Lowdimensional Topology, II
Room 105, Rockefeller Hall
Organizers:
Weimin Chen, University of MassachusettsAmherst wchen@math.umass.edu
Daniel Ruberman, Brandeis University

3:00 p.m.
A Künneth formula in monopole Floer homology.
Jonathan Michael Bloom*, Massachusetts Institute of Technology
Tomasz Mrowka, Massachusetts Institute of Technology
Peter Ozsvath, Massachusetts Institute of Technology
(107257107) 
3:30 p.m.
Lagrangians from SeibergWitten theory.
Timothy Nguyen*, Simons Center for Geometry and Physics
(107253154) 
4:00 p.m.
An index theorem for endperiodic operators.
Tomasz Mrowka, MIT
Daniel Ruberman, Brandeis University
Nikolai Saveliev*, University of Miami
(107258245) 
4:30 p.m.
Coisotropic Luttinger surgery.
Paul Kirk*, Indiana University
Scott Baldridge, LSU
(10725760) 
5:00 p.m.
Satellites and the knot concordance group.
Jennifer Hom*, Columbia University
(107257198) 
5:30 p.m.
Sections of surface bundles and Lefschetz fibrations.
R. Inanc Baykur*, MaxPlanck Institute for Mathematics in Bonn; Brandeis University
(107257233)

3:00 p.m.

Saturday September 10, 2011, 3:00 p.m.5:50 p.m.
Special Session on Geometric Aspects of Analysis and Measure Theory, II
Room 219, Phillips Hall
Organizers:
Leonid Kovalev, Syracuse University lvkovale@syr.edu
Jani Onninen, Syracuse University
Raanan Schul, State University of New York at Stony Brook

3:00 p.m.
Tangents of null sets and of sets of positive measure.
Marianna Csornyei*, University College London
(107228253) 
3:30 p.m.
Discussion 
4:00 p.m.
Lipschitz Approximation to Corkscrew Domains and Harmonic Measure.
Matthew Badger*, University of Washington
(10723119) 
4:30 p.m.
On weighted inequalities for singular integrals.
Michael T. Lacey, Georgia Institute of Technology
Eric T. Sawyer, McMaster University
Ignacio UriarteTuero*, Michigan State University
(10724273) 
5:00 p.m.
Discussion 
5:30 p.m.
Multiwell Liouville Theorems and pairs of functions whose symmetric part of gradient are close.
Andrew Lorent*, University of Cincinnati
(107230117)

3:00 p.m.

Saturday September 10, 2011, 3:00 p.m.5:20 p.m.
Special Session on Geometric Structures on Manifolds with Special Holonomy, and Applications in Physics, I
Room 112, Rockefeller Hall
Organizers:
Tamar Friedmann, University of Rochester
Colleen Robles, Texas A&M University
Sema Salur, University of Rochester salur@math.rochester.edu

3:00 p.m.
From singularities to algebras to pure YangMills with matter.
Tamar Friedmann*, University of Rochester
(107251246) 
3:30 p.m.
Small resolutions of SU(5) models in Ftheory.
Mboyo Esole*, Harvard University
(107214206) 
4:00 p.m.
Line bundle valued sheaf cohomology on toric varieties.
Benjamin Jurke*, Northeastern University
(107251210) 
4:30 p.m.
Complete Ricciflat Kahler metrics on resolutions of singularities.
Bianca Santoro*, CUNY  City College
(107251264) 
5:00 p.m.
Regular value theorem in a fractal setting.
Alex Iosevich*, University of Rochester
(107228177)

3:00 p.m.

Saturday September 10, 2011, 3:00 p.m.4:50 p.m.
Special Session on Geometry of Arithmetic Groups, II
Room 230, Rockefeller Hall
Organizers:
Mladen Bestvina, University of Utah
Ken Brown, Cornell University
Martin Kassabov, Cornell University
Tim Riley, Cornell University tim.riley@math.cornell.edu

3:00 p.m.
Filling coarse manifolds in arithmetic groups.
Mladen Bestvina, University of Utah
Alex Eskin, University of Chicago
Kevin Wortman*, University of Utah
(107220235) 
4:00 p.m.
Bounds on eigenvalues of the Laplacian for certain hyperbolic $3$manifolds.
Nina Juliana White*, University of Michigan
(107251145) 
4:30 p.m.
The automorphisms of McCulloughMiller space.
Adam Piggott*, Bucknell University
(107220193)

3:00 p.m.

Saturday September 10, 2011, 3:00 p.m.5:50 p.m.
Special Session on KacMoody Lie Algebras, Vertex Algebras, and Related Topics, II
Room 231, Rockefeller Hall
Organizers:
Alex Feingold, Binghamton University
Antun Milas, State University of New York at Albany amilas@albany.edu

3:00 p.m.
Deformation theory of gradingrestricted vertex algebras.
YiZhi Huang*, Rutgers University
(10721746) 
3:30 p.m.
On explicit realization of logarithmic modules for certain vertex algebras.
Drazen Adamovic*, University of Zagreb, Croatia
Antun Milas, University at Albany (SUNY)
(107217166) 
4:00 p.m.
Symplectic Fermions and Logarithmic CFT.
Ingo Runkel*, University of Hamburg
(107281178) 
4:30 p.m.
Conformal embeddings of affine vertex operator algebras.
Drazen Adamovic, Faculty of Science, Department of Mathematics, University of Zagreb, Croatia
Ozren Perse*, Faculty of Science, Department of Mathematics, University of Zagreb, Croatia
(107217141) 
5:00 p.m.
On Demazure crystals for $U_q(G_2^{(1)})$.
Kailash C. Misra*, North Carolina State University
Rebecca L. Jayne, North Carolina State University
(10721771) 
5:30 p.m.
A free field type representation of elliptic $G_2$.
Elizabeth Jurisich*, The College of Charleston
Ben Cox, The College of Charleston
(107217179)

3:00 p.m.

Saturday September 10, 2011, 3:00 p.m.5:50 p.m.
Special Session on Mathematical Aspects of Cryptography and Cyber Security, II
Room 132, Rockefeller Hall
Organizers:
Benjamin Fine, Fairfield University
Delaram Kahrobaei, City University of New York dkahrobaei@gc.cuny.edu
Gerhard Rosenberger, Passau University and Hamburg University, Germany

3:00 p.m.
Reflections on learning with errors.
Vladimir Shpilrain*, The City College of New York
(107294104) 
3:30 p.m.
Treebased HB Protocols for PrivacyPreserving Authentication of RFID Tags.
Nitesh Saxena*, University of Alabama, Birmingham
(10726868) 
4:00 p.m.
Algebraic properties of a lightweight block cipher.
Kenneth R. Matheis, Center for Cryptology and Information Security, Florida Atlantic University, USA
Rainer Steinwandt*, Center for Cryptology and Information Security, Florida Atlantic University, USA
Adriana Suárez Corona, Universidad de Oviedo, Spain
(107294203) 
5:00 p.m.
Naturality in PublicKey Cryptography.
Gabriel Zapata*, The City Universtity of New York
(107220199) 
5:30 p.m.
A New Secret Sharing Scheme using Nonabelian Groups.
Maggie Habeeb*, CUNY Graduate Center
Delaram Kahrobaei, CUNY Graduate Center
(107268201)

3:00 p.m.

Saturday September 10, 2011, 3:00 p.m.5:20 p.m.
Special Session on Multivariable Operator Theory, III
Rm 203, Phillips Hall
Organizers:
Ronald G. Douglas, Texas A&M University
Rongwei Yang, State University of New York at Albany ryang@albany.edu

3:00 p.m.
Berezin transform and Weyltype unitary operators on the Bergman space.
Lewis A Coburn*, SUNY Buffalo
(10724752) 
3:30 p.m.
Reproducing kernel for a class of weighted Bergman spaces on the symmetrized polydisc.
Gadadhar Misra*, Indian Institute of Science
Subrata Shyam Roy, Indian Institute of Science Education Research
Genkai Zhang, Chalmers University of Technology and Gothenburg University
(10724734) 
4:00 p.m.
Weights and essential normality of polynomialgenerated submodule.
Quanlei Fang, Department of Mathematics and Computer Science, Bronx Community College, CUNY
Jingbo Xia*, Department of Mathematics, SUNY at Buffalo
(10724772) 
4:30 p.m.
Similarity of powers and inflations.
Gabriel T Prajitura*, SUNY Brockport
John B Conway, George Washington University
Alejandro RodriguezMartinez, Zayed University
(107247120) 
5:00 p.m.
The Toeplitz corona problem for algebras of multipliers on a NevanlinnaPick space.
Mrinal Raghupathi*, United States Naval Academy
Ryan Hamilton, University of Waterloo
(107247122)

3:00 p.m.

Saturday September 10, 2011, 3:00 p.m.5:50 p.m.
Special Session on Parabolic Evolution Equations of Geometric Type, II
Room 407, Phillips Hall
Organizers:
Xiaodong Cao, Cornell University cao@math.cornell.edu
Bennett Chow, University of California San Diego

3:00 p.m.
Blowups of Type I Ricci flows.
Joerg Enders*, Universität Potsdam, Germany
(107253205) 
3:30 p.m.
Some problems of unique continuation arising in the study of geometric evolution equations.
Brett Kotschwar*, Max Planck Institute for Gravitational Physics / Arizona State University
(107253211) 
4:00 p.m.
Shorttime existence of the Ricci flow on noncompact Riemannian manifolds.
Guoyi Xu*, math department, University of California, Irvine, 92697, CA
(10725370) 
4:30 p.m.
Prescribed Ricci curvature on a solid torus.
Artem Pulemotov*, The University of Chicago
(10725362) 
5:00 p.m.
Lagrangian mean curvature flow for entire graphs.
Albert Chau*, University of British Columbia
(107253222) 
5:30 p.m.
Stability of symmetric spaces under Ricci flow.
Richard H Bamler*, Stanford University
(107258152)

3:00 p.m.

Saturday September 10, 2011, 3:00 p.m.5:50 p.m.
Special Session on Partial Differential Equations of Mixed EllipticHyperbolic Type and Applications, II
Room 403, Phillips Hall
Organizers:
Marcus Khuri, Stony Brook University khuri@math.sunysb.edu
Dehua Wang, University of Pittsburgh

3:00 p.m.
Spectral Theory for Linear Operators of Mixed Type and Applications to Nonlinear Dirichlet Problems.
Daniela Lupo, Politecnico di Milano
Dario D. Monticelli, Universita' di Milano
Kevin R. Payne*, Universita' di Milano
(10723575) 
3:30 p.m.
Wave propagation in the cold plasma model.
Thomas H. Otway*, Department of Mathematical Sciences, Yeshiva University
(10723523) 
4:00 p.m.
Some mixed type problems in gas dynamics and geometry.
Dehua Wang*, University of Pittsburgh
(107235137) 
4:30 p.m.
Models and flows of complex (wormlike micellar) fluids.
Pam Cook*, University of Delaware
Lin Zhou, N Y City College of Technology, CUNY
Michael Cromer, C. C. Santa Barbara
Gareth McKinley, M.I.T.
(107276123) 
5:00 p.m.
A Riemann problem for the twodimensional isentropic gas dynamics equations.
Katarina Jegdic*, University of Houston  Downtown
(107235275) 
5:30 p.m.
Global LowEnergy Weak Solutions of the Equations of 3D Compressible Magnetohydrodynamics.
Anthony Suen*, Indiana University Bloomington
David Hoff, Indiana University Bloomington
(10723525)

3:00 p.m.

Saturday September 10, 2011, 3:00 p.m.5:50 p.m.
Special Session on Representations of Local and Global Groups, II
Room 122, Rockefeller Hall
Organizers:
Mahdi Asgari, Oklahoma State University asgari@math.okstate.edu
Birgit Speh, Cornell University

3:00 p.m.
A generalization of a result of Kohnen.
Cesar Valverde*, Rutgers University, Newark.
(107211146) 
3:30 p.m.
Unramified functions on a padic spherical variety.
Yiannis Sakellaridis*, Rutgers University  Newark
(107222139) 
4:00 p.m.
The local Langlands correspondence; from real to padic groups.
Moshe Adrian*, University of Utah
(10722206) 
4:30 p.m.
CohenMacaulay property in representation theory.
Avraham Aizenbud*, MIT
(10722295) 
5:00 p.m.
Automorphic Forms on Certain Symplectic Pairs.
Lei Zhang*, Boston College
(107211101) 
5:30 p.m.
Relatively supercuspidal representations.
Fiona Murnaghan*, University of Toronto
(10722253)

3:00 p.m.

Saturday September 10, 2011, 3:00 p.m.5:50 p.m.
Special Session on Set Theory, II
Room 207, Malott Hall
Organizers:
Paul Larson, Miami University, Ohio
Justin Moore, Cornell University justin@math.cornell.edu
Ernest Schimmerling, Carnegie Mellon University

3:00 p.m.
Lindelof property in forcing extensions.
Alan Dow*, UNC Charlotte
Michael Blackmon, UNC Charlotte
(107203172) 
3:30 p.m.
The topology of ultrafilters as subsets of $2^\omega$.
Andrea Medini*, University of Wisconsin  Madison
David Milovich, Texas A&M International University
(107254130) 
4:00 p.m.
Analytic kgaps.
Stevo Todorcevic*, University of Toronto and CNRS, Paris
(107203267) 
4:30 p.m.
Break 
5:00 p.m.
Cardinal invariant properties of countable Borel equivalence relations.
Scott Schneider*, University of Michigan
Samuel Coskey, The Fields Institute & York University
(107203212) 
5:30 p.m.
Graev metrics on free products with amalgamation and HNN extensions.
Kostyantyn Slutskyy*, University of Illinois at UrbanaChampaign
(10720374)

3:00 p.m.

Saturday September 10, 2011, 3:00 p.m.5:20 p.m.
Special Session on Species and Hopf Algebraic Combinatorics, II
Room 115, Rockefeller Hall
Organizers:
Marcelo Aguiar, Texas A&M University maguiar@math.tamu.edu
Samuel Hsiao, Bard College

3:00 p.m.
Lagrange's Theorem for Hopf Monoids in Species.
Marcelo Aguiar, Texas A&M University
Aaron Lauve*, Loyola University Chicago
(107205174) 
3:30 p.m.
A Rigidity theorem for connected, cocommutative Hopf monoids.
Forest Fisher*, Northern Virginia Community College
(107205218) 
4:00 p.m.
A supercharacter theoretic Hopf Monoid of set partitions.
Marcelo Aguiar, University of Texas A&M
Nantel Bergeron, York University
Nathaniel Thiem*, University of Colorado Boulder
(107220132) 
4:30 p.m.
Why a supercharacter theoretic Hopf Monoid of set partitions?
Nantel Bergeron*, York University
Marcelo Aguiar, Texas A&M
Nathaiel Thiem, University of Colorado, Boulder
(107208170) 
5:00 p.m.
Hopf Monoids in Graphical Species.
Jacob Anthony White*, Mathematical Sciences Research Institute
(10720582)

3:00 p.m.

Saturday September 10, 2011, 3:00 p.m.5:50 p.m.
Special Session on Symplectic Geometry and Topology, II
Room 104, Rockefeller Hall
Organizers:
Tara Holm, Cornell University
Katrin Wehrheim, Massachusetts Institute of Technology katrin@math.mit.edu

3:00 p.m.
GKMSheaves and Equivariant Cohomology.
Thomas J. Baird*, Memorial University of Newfoundland
(107222113) 
3:30 p.m.
On the integer cohomology of Hamiltonian GKM manifolds.
Susan Tolman*, University of Illinois at UrbanaChampaign
(107253262) 
4:00 p.m.
Symplectic harmonic Thom forms.
Yi Lin*, Georgia Southern University
(107253119) 
4:30 p.m.
Lower bounds for Gromov width of coadjoint orbits in U(n).
Milena D Pabiniak*, Cornell University
(107251111) 
5:00 p.m.
Symplectic Geometry on bmanifolds.
Victor Guillemin, Massachusetts Institute of Technology
Eva Miranda, Universitat Politecnica de Catalunya
Ana Rita Pires*, Cornell University
(107253147) 
5:30 p.m.
Discussion

3:00 p.m.

Saturday September 10, 2011, 3:15 p.m.4:40 p.m.
Contributed Paper Session, II
Room 203, Malott Hall

3:30 p.m.
Random walks on barycentric subdivisions and the Strichartz hexacarpet.
Daniel J Kelleher*, University of Connecticut
Matthew Begue, University of Maryland
Aaron Nelson, University of Connecticut
Hugo Panzo, University of Connectcut
Ryan Pellico, University of Connecticut
Alexander Teplyaev, University of Connecticut
(107228240) 
3:45 p.m.
Statistical mechanics of Bose gas in Sierpinski carpets.
Joe P. Chen*, Cornell University
(10728228) 
4:00 p.m.
Continued fractions and the Sierpinski gasket.
Sam Northshield*, SUNYPlattsburgh
(10725122) 
4:15 p.m.
Effects of pressure stress work and viscous dissipation in mixed convection flow along a vertical flat plate in presence of heat generation.
Md. Khairul Bashar Md. Bashar, Sonali Bank, Cox'ss Bazar, bangladesh
Rasel Biswas Rasel*, Memorial University, St. John's, Newfoundland, Canada
(10727620) 
4:30 p.m.
Annular axisymmetric stagnation flow on a moving cylinder.
Antonio Mastroberardino*, Penn State Erie, The Behrend College
(107276126)

3:30 p.m.

Saturday September 10, 2011, 4:00 p.m.5:45 p.m.
Special Session on Geometric and Algebraic Topology, II
Room 110, Rockefeller Hall
Organizers:
Boris Goldfarb, University at Albany, SUNY goldfarb@albany.edu
Marco Varisco, University at Albany, SUNY

4:00 p.m.
On classifying free $\mathbb{Z}/p\mathbb{Z}$ actions on $S^n\times S^m$.
Courtney Morris Thatcher*, Bard College at Simon's Rock
(107255229) 
4:30 p.m.
Semicoverings: A generalization of covering space theory.
Jeremy T Brazas*, University of New Hampshire
(107255194) 
5:00 p.m.
${\mathbb Z}G$modules over $CAT(0)$ spaces.
Ross Geoghegan*, Binghamton University (SUNY)
(107257115)

4:00 p.m.

Saturday September 10, 2011, 6:00 p.m.8:00 p.m.
Cornell Mathematics Department Reception
Big Red Barn, Big Red Barn
Inquiries: meet@ams.org