
AMS Sectional Meeting Program by Day
Current as of Sunday, May 3, 2009 00:21:11
Program 
Deadlines 
Registration/Housing/Etc. 
Inquiries: meet@ams.org
2009 Spring Eastern Section Meeting
Worcester, MA, April 2526, 2009 (Saturday  Sunday)
Meeting #1050
Associate secretaries: Steven H Weintraub, AMS steve.weintraub@lehigh.edu
Sunday April 26, 2009

Sunday April 26, 2009, 8:00 a.m.12:00 p.m.
Registration
Foyer of Room 102, Higgins Laboratories

Sunday April 26, 2009, 8:00 a.m.10:50 a.m.
Special Session on Symplectic and Contact Topology, III
Room 104, Salisbury Laboratories Organizers: Peter Albers, Purdue University/ETH Zurich palbers@math.purdue.edu
Basak Gurel, Vanderbilt University basak.gurel@vanderbilt.edu

Sunday April 26, 2009, 8:00 a.m.10:45 a.m.
Special Session on The Mathematics of Climate Change, III
Room 114, Higgins Laboratories Organizers: Catherine A. Roberts, College of the Holy Cross croberts@holycross.edu
Gareth E. Roberts, College of the Holy Cross
Mary Lou Zeeman, Bowdoin College

8:00 a.m.
Challenges to physicalbiological coupling in climate models.
Amala Mahadevan*, Boston University
(105076158)

8:30 a.m.
Multidecadal Variability of Atlantic Meridional Overturning Circulation in the Community Climate System Model Version 3.
YoungOh Kwon*, Woods Hole Oceanographic Institution
Claude Frankignoul, LOCEAN, Université Pierre et Marie Curie, Paris, France
(105000114)

9:00 a.m.
How Ice Line Moves: Revisiting Budyko's Energy Balance Model.
Esther R. Widiasih*, University of Minnesota, Twin Cities
(10503749)

9:30 a.m.
Nonlinear threshold behavior during the loss of Arctic sea ice.
J. S. Wettlaufer*, Yale University
(10508691)

10:00 a.m.
Audience discussion on the role of mathematics in climate change research, moderated by Catherine A. Roberts.

Sunday April 26, 2009, 8:00 a.m.10:50 a.m.
Special Session on Discrete Geometry and Combinatorics, III
Room 116, Higgins Laboratories Organizers: Egon Schulte, Northeastern University schulte@neu.edu
Brigitte Servatius, Worcester Polytechnic Institute

8:00 a.m.
Polygonal Complexes and Symmetry.
Egon Schulte*, Northeastern University
Daniel Pellicer, University of New Brunswick
(10505181)

8:30 a.m.
Highly Incident Configurations.
Leah Wrenn Berman*, Ursinus College
(10505266)

9:00 a.m.
Cobinatorial structure of chiral polyhedra in the Euclidean space.
Daniel Pellicer*, University of New Brunswick
Asia I. Weiss, York University
(10505247)

9:30 a.m.
Quotient representations for uniform tilings.
Gordon Iam Williams*, Ursinus College
(10505286)

10:00 a.m.
On Representable Matroids With Large Planes.
Sandra Kingan*, Brooklyn College, CUNY
(10500555)

10:30 a.m.
More on the $11$cell.
Barry Monson*, University of New Brunswick
Egon Schulte, Northeastern University
Daniel Hay, University of New Brunswick
(10505145)

Sunday April 26, 2009, 8:00 a.m.10:50 a.m.
Special Session on Algebraic Graph Theory, Association Schemes, and Related Topics, III
Room 218, Higgins Laboratories Organizers: William J. Martin, Worcester Polytechnic Institute martin@wpi.edu
Sylvia A. Hobart, University of Wyoming

Sunday April 26, 2009, 8:00 a.m.12:00 p.m.
Exhibit and Book Sale
Room 102, Higgins Laboratories

Sunday April 26, 2009, 8:20 a.m.10:50 a.m.
Special Session on Analysis of Weakly Differentiable Maps with Constraints and Applications, III
Room 305, Salisbury Laboratories Organizers: Fengbo Hang, Courant Institute, New York University
Mohammad Reza Pakzad, University of Pittsburgh pakzad@pitt.edu

Sunday April 26, 2009, 8:30 a.m.10:50 a.m.
Special Session on Effective Dynamics and Interactions of Localized Structures in Schrödinger Type Equations, III
Room 105, Salisbury Laboratories Organizers: Fridolin Ting, Lakehead University fting@lakeheadu.ca

8:30 a.m.
Existence and Nonexistence of Electricity in TwoDimensional Static Gauge Field Theories.
Yisong Yang*, Department of Mathematics, Yeshiva University
(10508162)

9:00 a.m.
Charged vortices of finite energy in the ChernSimonsHiggs theorey.
Robin Ming Chen*, School of Mathematics, University of Minnesota
Yujin Guo, School of Mathematics, University of Minnesota
Daniel Spirn, School of Mathematics, University of Minnesota
Yisong Yang, Department of Mathematics, Yeshiva University
(105035122)

9:30 a.m.
Tunneling of solitons through potential barriers.
Walid Abou Salem*, University of Toronto
(105035118)

10:00 a.m.
The cubic fourthorder Schrodinger equation.
Benoit Pausader*, Brown University
(105035111)

10:30 a.m.
Effective Dynamics of multivortices in an external potential for GinzburgLandau Gradient flow.
Fridolin Ting*, Lakehead University
(10503538)

Sunday April 26, 2009, 8:30 a.m.10:50 a.m.
Special Session on Number Theory, III
Room 154, Higgins Laboratories Organizers: John T. Cullinan, Bard College cullinan@bard.edu
Siman Wong, University of Massachusetts, Amherst

Sunday April 26, 2009, 9:00 a.m.10:50 a.m.
Special Session on Scaling, Irregularities, and Partial Differential Equations, III
Room 406, Salisbury Laboratories Organizers: Umberto Mosco, Worcester Polytechnic Institute
Bogdan M. Vernescu, Worcester Polytechnic Institute vernescu@wpi.edu

Sunday April 26, 2009, 9:00 a.m.10:40 a.m.
Session for Contributed Papers
Room 407, Salisbury Laboratories

9:00 a.m.
Parabolic problems with nonlocal conditions.
Abdelkader Y Boucherif*, King Fahd University of Petroleum and Minerals
(10503514)

9:15 a.m.
On Superquadracity.
Shoshana  Abramovich*, Department of Mathematics, University of Haifa, Haifa, Israel
(10502618)

9:30 a.m.
The Historical and Educational Origins of Probability Theory.
Willem J Wallinga*, University of New Hampshire
(10500122)

9:45 a.m.
Expfunction method for solving nonlinear dispersive equations.
A Bathi Kasturiarachi*, Kent State University, Stark Campus
(105035130)

10:00 a.m.
Nonorientable Contact Structures on 3manifolds.
David H Crombecque*, Muhlenberg College
(105057133)

10:15 a.m.
NonExistence Results for Coagulation Kinetics.
Jacob C Mower*, Stevens Institute of Technology
(10508209)

10:30 a.m.
Probability of solvability of random systems of $2$linear equations over $GF(2)$.
JiA Yeum*, The Ohio State University
(10500520)

Sunday April 26, 2009, 11:00 a.m.11:50 a.m.
Invited Address
Lagrangian submanifolds: From physics to number theory.
Room 115, Salisbury Laboratories
Octav Cornea*, Université de Montréal
(10505305)

Sunday April 26, 2009, 2:00 p.m.2:50 p.m.
Invited Address
A rapid survey of coarse geometry.
Room 115, Salisbury Laboratories
Kevin Whyte*, University of Illinois at Chicago
(10502004)

Sunday April 26, 2009, 3:00 p.m.5:50 p.m.
Special Session on Symplectic and Contact Topology, IV
Room 104, Salisbury Laboratories Organizers: Peter Albers, Purdue University/ETH Zurich palbers@math.purdue.edu
Basak Gurel, Vanderbilt University basak.gurel@vanderbilt.edu

Sunday April 26, 2009, 3:00 p.m.5:50 p.m.
Special Session on Discrete Geometry and Combinatorics, IV
Room 116, Higgins Laboratories Organizers: Egon Schulte, Northeastern University schulte@neu.edu
Brigitte Servatius, Worcester Polytechnic Institute

3:00 p.m.
Another Look at Matching Rules.
Marjorie Senechal*, Smith College
(10505275)

3:30 p.m.
Torohedral groups.
Norman W. Johnson*, Wheaton College, Norton, MA
(10505274)

4:00 p.m.
Tiling lattices with translates of sublattices.
David Feldman, University of Massachusetts Lowell
James Propp*, University of Massachusetts Lowell
Sinai Robins, Nanyang Technological University
(10500579)

4:30 p.m.
Polarity and rigidity in the plane.
Brigitte Servatius*, WPI
(10500553)

5:00 p.m.
Some new Čebyšev sets in hyperspaces.
Robert J. MacG. Dawson*, Saint Mary's University
(10505195)

5:30 p.m.
Theory and examples of ghost symmetry.
David Richter*, Western Michigan University
(10505208)

Sunday April 26, 2009, 3:00 p.m.3:50 p.m.
Special Session on Scaling, Irregularities, and Partial Differential Equations, IV
Room 406, Salisbury Laboratories Organizers: Umberto Mosco, Worcester Polytechnic Institute
Bogdan M. Vernescu, Worcester Polytechnic Institute vernescu@wpi.edu

Sunday April 26, 2009, 3:00 p.m.5:50 p.m.
Special Session on Algebraic Graph Theory, Association Schemes, and Related Topics, IV
Room 218, Higgins Laboratories Organizers: William J. Martin, Worcester Polytechnic Institute martin@wpi.edu
Sylvia A. Hobart, University of Wyoming

3:00 p.m.
The BannaiIto Conjecture.
S. Bang*, Department of Mathematics/Pusan National University
J H Koolen, Department of Mathematics/POSTECH
V. Moulton, School of Computing Sciences/ University of East Anglia
(105005139)

3:30 p.m.
$Q$polynomial association schemes which are not generated by a distanceregular graph.
Jason Williford*, University of Colorado Denver
(105005103)

4:00 p.m.
Dualtight cometric association schemes.
Sho Suda, Graduate School of Information Sciences, Tohoku University
Hajime Tanaka*, Graduate School of Information Sciences, Tohoku University
Rie Tanaka, Graduate School of Information Sciences, Tohoku University
(105005116)

4:30 p.m.
Euclidean designs and coherent configurations.
Etsuko Bannai*, Retiered. Fukuoka, Japan
(10500580)

5:00 p.m.
DistanceRegular Graphs Having Certain Completely Regular Subgraphs.
Hiroshi Suzuki*, Department of Mathematics and Computer Science, International Christian University
(10500593)

5:30 p.m.
Terwilliger algebras of wreath products of oneclass association schemes.
Gargi Bhattacharyya, University of Baltimore
Sung Y Song*, Iowa State University
Rie Tanaka, Tohoku University
(105005101)
Inquiries: meet@ams.org

