AMS Sectional Meeting Full Program
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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)

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

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)

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)

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

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)

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)

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)

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)

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

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

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

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)

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

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)

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)

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)

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)

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

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

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

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)

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)

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)

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)

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)

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

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

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)

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

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)

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

Saturday September 10, 2011, 6:00 p.m.8:00 p.m.
Cornell Mathematics Department Reception
Big Red Barn, Big Red Barn
Sunday September 11, 2011

Sunday September 11, 2011, 8:00 a.m.12:00 p.m.
Exhibits and Book Sale
Lounge, 5th Floor, Malott Hall

Sunday September 11, 2011, 8:00 a.m.12:00 p.m.
Meeting Registration
Lounge, 5th Floor, Malott Hall

Sunday September 11, 2011, 8:00 a.m.10:50 a.m.
Special Session on Analysis, Probability, and Mathematical Physics on Fractals, III
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.
Hyperbolic duality and analysis on fractals.
Volodymyr Nekrashevych*, Texas A&M University, College Station
(107237250)

8:30 a.m.
Hyperbolicity of graphs associated with fractal sets.
Vadim Kaimanovich*, University of Ottawa
(107228247)

9:00 a.m.
Differentiallike structures associated with strong local Dirichlet forms.
Masanori Hino*, Graduate School of Informatics, Kyoto University
(107228159)

9:30 a.m.
Weyl's Laplacian eigenvalue asymptotics for the measurable Riemannian structure on the Sierpinski gasket.
Naotaka Kajino*, Department of Mathematics, University of Bielefeld
(107258234)

10:00 a.m.
Random walk and induced Dirichlet form on selfsimilar sets.
KaSing Lau*, Department of Mathematics, The Chinese University of Hong Kong, HK
TingKam Wong, Department of Mathematics, The Chinese University of Hong Kong, HK
(107260161)

10:30 a.m.
Martin boundary and exit space on the Sierpinski gasket and other fractals.
KaSing Lau, The Chinese University of Hong Kong
SzeMan Ngai*, Georgia Southern University
(107231163)

Sunday September 11, 2011, 8:00 a.m.10:50 a.m.
Special Session on Gauge Theory and Lowdimensional Topology, III
Room 105, Rockefeller Hall
Organizers:
Weimin Chen, University of MassachusettsAmherst wchen@math.umass.edu
Daniel Ruberman, Brandeis University

Sunday September 11, 2011, 8:00 a.m.10:50 a.m.
Special Session on Geometry of Arithmetic Groups, III
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

Sunday September 11, 2011, 8:00 a.m.10:20 a.m.
Special Session on Parabolic Evolution Equations of Geometric Type, III
Room 407, Phillips Hall
Organizers:
Xiaodong Cao, Cornell University cao@math.cornell.edu
Bennett Chow, University of California San Diego

Sunday September 11, 2011, 8:00 a.m.10:50 a.m.
Special Session on Symplectic Geometry and Topology, III
Room 104, Rockefeller Hall
Organizers:
Tara Holm, Cornell University
Katrin Wehrheim, Massachusetts Institute of Technology katrin@math.mit.edu

Sunday September 11, 2011, 8:30 a.m.10:50 a.m.
Special Session on Geometric Aspects of Analysis and Measure Theory, III
Room 213, Phillips Hall
Organizers:
Leonid Kovalev, Syracuse University lvkovale@syr.edu
Jani Onninen, Syracuse University
Raanan Schul, State University of New York at Stony Brook

Sunday September 11, 2011, 8:30 a.m.10:50 a.m.
Special Session on Geometric and Algebraic Topology, III
Room 110, Rockefeller Hall
Organizers:
Boris Goldfarb, University at Albany, SUNY goldfarb@albany.edu
Marco Varisco, University at Albany, SUNY

Sunday September 11, 2011, 8:30 a.m.10:50 a.m.
Special Session on KacMoody Lie Algebras, Vertex Algebras, and Related Topics, III
Room 231, Rockefeller Hall
Organizers:
Alex Feingold, Binghamton University
Antun Milas, State University of New York at Albany amilas@albany.edu

8:30 a.m.
Conformal blocks on nodal curves.
Scott Carnahan*, IPMU, University of Tokyo
(107217125)

9:00 a.m.
Supersymmetric vertex operator superalgebras and twisted constructions arising in superconformal field theory.
Katrina D. Barron*, University of Notre Dame
(107217208)

9:30 a.m.
A lightcone construction of the Tits buildings of a rank 2 hyperbolic KacMoody group.
Lisa Carbone*, Rutgers University
Alex Feingold, Binghamton University
Walter Freyn, University of Muenster
(10722087)

10:00 a.m.
$N$point Virasoro algebras and their modules of densities.
Ben Cox*, The College of Charleston
Xiangqian Guo, Zhengzhou University
Rencai Lu, Suzhou University
Kaiming Zhao, Wilfrid Laurier University
(107217182)

10:30 a.m.
Conformal field theory and a new geometry.
Liang Kong*, Institute for Advanced Study, Tsinghua University, Beijing
(10721713)

Sunday September 11, 2011, 8:30 a.m.10:50 a.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

8:30 a.m.
Test functions, kernel functions, interpolation and transferfunction realization for multiplier algebras: the matrixvalued setting.
Joseph A Ball*, Virginia Tech
Moises D GurerraHuaman, Department of Mathematics, Virginia Tech
(10724715)

9:00 a.m.
Cyclic Vectors in Spaces of Analytic Functions on the Ball.
Carl Sundberg*, Department of Mathematics, University of Tennessee, Knoxville, TN
(107247261)

9:30 a.m.
Remarks about cyclic vectors in the Drury Arveson space.
Stefan Richter*, University of Tennessee
Carl Sundberg, University of Tennessee
(107247258)

10:00 a.m.
Abstract Fibre Dimension.
Xiang Fang*, Kansas State University
(10724759)

10:30 a.m.
SchurAgler class rational inner functions on the tridisk.
Greg Knese*, University of Alabama
(107247180)

Sunday September 11, 2011, 8:30 a.m.10:50 a.m.
Special Session on Partial Differential Equations of Mixed EllipticHyperbolic Type and Applications, III
Room 403, Phillips Hall
Organizers:
Marcus Khuri, Stony Brook University khuri@math.sunysb.edu
Dehua Wang, University of Pittsburgh

8:30 a.m.
Questions in centroaffine geometry.
Deane Yang*, Polytechnic Institute of NYU
(107235204)

9:00 a.m.
On the HodgeFrobenius equations.
Antonella Marini*, Yeshiva University
Thomas H. Otway, Yeshiva University
(10723531)

9:30 a.m.
Nonexistence of strong regular reflections in selfsimilar potential flow.
Volker W Elling*, University of Michigan
(10727679)

10:00 a.m.
Existence of weak solutions to a model for sparse, onedimensional, nonbarotropic fluids.
Matthias L Youngs*, Indiana University, Bloomington
David Hoff, Indiana University, Bloomington
(10723527)

10:30 a.m.
Boundary Value Problems for Mixed Type Equations and Applications.
Marcus A. Khuri*, Stony Brook University
(107235105)

Sunday September 11, 2011, 8:30 a.m.10:50 a.m.
Special Session on Representations of Local and Global Groups, III
Room 122, Rockefeller Hall
Organizers:
Mahdi Asgari, Oklahoma State University asgari@math.okstate.edu
Birgit Speh, Cornell University

Sunday September 11, 2011, 8:30 a.m.10:50 a.m.
Special Session on Set Theory, III
Room 207, Malott Hall
Organizers:
Paul Larson, Miami University, Ohio
Justin Moore, Cornell University justin@math.cornell.edu
Ernest Schimmerling, Carnegie Mellon University

Sunday September 11, 2011, 9:00 a.m.10:50 a.m.
Special Session on Geometric Structures on Manifolds with Special Holonomy, and Applications in Physics, II
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

Sunday September 11, 2011, 9:00 a.m.10:50 a.m.
Special Session on Mathematical Aspects of Cryptography and Cyber Security, III
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.
Secure Computation.
S. Dov Gordon*, Columbia University
(107200266)

9:30 a.m.
PasswordProtected Secret Sharing.
Ali Bagherzandi, UC Irvine
Stanislaw Jarecki*, UC Irvine
Nitesh Saxena, NYU Polytechnic
Yanbin Lu, UC Irvine
(107268232)

10:30 a.m.
Super Summit Sets for the Multiple Conjugacy Problem in braid groups.
David Garber*, Faculty of Sciences, Holon Institute of Technology, Israel
Arkadius Kalka, Department of Mathematics, BarIlan University, Israel
Boaz Tsaban, Department of Mathematics, BarIlan University, Israel
Gary Vinokur, Department of Mathematics, BarIlan University, Israel
(107220103)

Sunday September 11, 2011, 9:00 a.m.10:50 a.m.
Special Session on Species and Hopf Algebraic Combinatorics, III
Room 115, Rockefeller Hall
Organizers:
Marcelo Aguiar, Texas A&M University maguiar@math.tamu.edu
Samuel Hsiao, Bard College

Sunday September 11, 2011, 9:15 a.m.10:40 a.m.
Contributed Paper Session, I
Room 203, Malott Hall

9:15 a.m.
Injective Envelopes of Fréchet Spaces.
Alexander A Katz*, St. John's University, NY, USA
(107246231)

9:30 a.m.
GNS type representations and extensions of saturated separating families of regular seminorms from real locally C*algebras to their enveloping locally C*algebras.
Alexander A Katz, St. John's University, NY, USA
Oleg Friedman*, Touro College, NY, USA/University of South Africa, Pretoria, RSA
(107246255)

9:45 a.m.
Existence and uniqueness of the universal enveloping locally W*algebra for a locally JBWalgebra.
Alexander A. Katz, St. John's University, NY, USA
Oleg Friedman, Touro Callege, NY, USA/University of South Africa, Pretoria, RSA
Roman Kushnir, University of South Africa, Pretoria, South Africa
Mark Ustayev*, University of South Africa, Pretoria, South Africa
(107246265)

10:00 a.m.
On a Reformulation of the Riemann hypothesis within the Theory of Complex Dimensions in Fractal Geometry.
Hafedh Herichi*, University of California, Riverside
Michel. L. Lapidus, University of California, Riverside
(107246241)

10:15 a.m.
Compact Quantum Groups Arising from Quivers.
Sorin Dascalescu, University of Bucharest, Romania
Miodrag C Iovanov*, University of Southern California; and, University of Bucharest, Romania
Constantin Nastasescu, Simon Stoilow Institute of the Romanian Academy
(10722026)

10:30 a.m.
(n+3)Coloring the nSphere.
Joel Clarke Gibbons*, Logistic Research & Trading Co.
(10720505)

Sunday September 11, 2011, 11:05 a.m.11:55 a.m.
Invited Address
C*algebras and group representations.
Bache Auditorium, Malott Hall
Nigel Higson*, Pennsylvania State University
(10722202)

Sunday September 11, 2011, 3:00 p.m.5:50 p.m.
Special Session on Analysis, Probability, and Mathematical Physics on Fractals, IV
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.
Spectra of Fractal Strings and Riemann Zeros.
Hafedh Herichi, University of California, Riverside
Michel L. Lapidus*, University of California, Riverside
(107211143)

3:30 p.m.
Fractal measures originating from number theory.
Peter J Grabner*, Graz University of Technology
(107211175)

4:00 p.m.
Higherdimensional complex dynamics and spectral zeta functions of fractal SturmLiouville operators.
Nishu Lal*, University of California, Riverside
Michel Lapidus, University of California, Riverside
(107228243)

4:30 p.m.
Szego limit theorems on the Sierpinski gasket.
Kasso Okoudjou*, Department of Mathematics/University of Maryland
Luke Rogers, Department of Mathematics/University of Connecticut
Robert Strichartz, Department of Mathematics/Cornell University
(10723545)

5:00 p.m.
Pseudodifferential operators on fractals.
Marius V Ionescu*, Colgate University
Luke G Rogers, University of Connecticut
Robert S Strichartz, Cornel University
(10724629)

5:30 p.m.
Brownian motion on nonselfsimilar Sierpinski carpets.
Benjamin Steinhurst*, Cornell University
(107260102)

Sunday September 11, 2011, 3:00 p.m.4:20 p.m.
Special Session on Geometric Structures on Manifolds with Special Holonomy, and Applications in Physics, III
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

Sunday September 11, 2011, 3:00 p.m.4:20 p.m.
Special Session on Geometric and Algebraic Topology, IV
Room 110, Rockefeller Hall
Organizers:
Boris Goldfarb, University at Albany, SUNY goldfarb@albany.edu
Marco Varisco, University at Albany, SUNY

Sunday September 11, 2011, 3:00 p.m.5:20 p.m.
Special Session on KacMoody Lie Algebras, Vertex Algebras, and Related Topics, IV
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.
Vectorvalued modular forms and the RiemannHilbert problem.
Terry Gannon*, Dept of Math, U of Alberta
(107211274)

3:30 p.m.
Homotopy Relations for Topological VOA.
Anton Zeitlin*, Department of Mathematics, Yale University
(107281151)

4:00 p.m.
Vertex operator algebra $1$point functions and Jacobi forms.
Matthew T Krauel*, University of California, Santa Cruz
(107281237)

4:30 p.m.
Decomposition of level1 representations of $D_4^{(1)}$ with respect to its subalgebra $G_2^{(1)}$ in the spinor construction.
Quincy Loney*, SUNY Cortland
Alex J Feingold, Binghamton University
(107217228)

5:00 p.m.
Vertex Operator Algebras Associated to Type G Affine Lie Algebras.
Jonathan Axtell*, University of Connecticut
KyuHwan Lee, University of Connecticut
(107217236)

Sunday September 11, 2011, 3:00 p.m.3:50 p.m.
Special Session on Multivariable Operator Theory, IV
Room 132, Rockefeller Hall
Organizers:
Ronald G. Douglas, Texas A&M University
Rongwei Yang, State University of New York at Albany ryang@albany.edu

Sunday September 11, 2011, 3:00 p.m.4:20 p.m.
Special Session on Parabolic Evolution Equations of Geometric Type, IV
Room 105, Rockefeller Hall
Organizers:
Xiaodong Cao, Cornell University cao@math.cornell.edu
Bennett Chow, University of California San Diego

Sunday September 11, 2011, 3:00 p.m.4:45 p.m.
Special Session on Symplectic Geometry and Topology, IV
Room 104, Rockefeller Hall
Organizers:
Tara Holm, Cornell University
Katrin Wehrheim, Massachusetts Institute of Technology katrin@math.mit.edu
Inquiries: meet@ams.org