
AMS Sectional Meeting Program by Day
Current as of Saturday, April 21, 2007 00:32:16
Program 
Deadlines 
Registration/Housing/Etc. 
Inquiries: meet@ams.org
2007 Spring Eastern Section Meeting
Hoboken, NJ, April 1415, 2007 (Saturday  Sunday)
Meeting #1026
Associate secretaries: Lesley M Sibner, AMS lsibner@duke.poly.edu
Saturday April 14, 2007

Saturday April 14, 2007, 7:30 a.m.4:30 p.m.
Meeting Registration
McLean, Lobby, McLean

Saturday April 14, 2007, 7:30 a.m.4:30 p.m.
Exhibit and Book Sale
McLean, 104, McLean

Saturday April 14, 2007, 8:00 a.m.10:50 a.m.
Special Session on Number Theory, I
Room 330, Edwin A. Stevens Building Organizers: Florian Luca, Universidad Nacional Aut\'onoma de M\'exico fluca@matmor.unam.mx
Allison M. Pacelli, Williams College allison.pacelli@williams.edu

8:00 a.m.
Integer points on families of elliptic curves.
Gary Walsh*, University of Ottawa Ottawa, Ontario, Canada
(10261132)

8:30 a.m.
On the rank of elliptic curves.
Siman Wong*, University of Massachusetts, Amherst
(102611188)

9:00 a.m.
Rank statistics for a family of elliptic curves over a function field.
Carl Pomerance*, Dartmouth College
Igor E. Shparlinski, Department of Computing, Macquarie University
(10261172)

9:30 a.m.
Distribution of Modular Inverses and Multiples of Small Integers and the SatoTate Conjecture on Average.
Igor E. Shparlinski*, Macquarie University
(10261147)

10:00 a.m.
Counting Balanced Polynomials over Finite Fields.
Thomas W. Cusick, SUNY Buffalo
Yuan Li, Alcorn State University
Pante Stanica*, Naval Postgraduate School
(10261243)

10:30 a.m.
Splitting Fields for Characteristic Polynomials of Matrices with Entries in a Finite Field.
Eric Schmutz*, Drexel University
(10261113)

Saturday April 14, 2007, 8:00 a.m.10:50 a.m.
Special Session on Graph Theory and Combinatorics, I
Room 212, Edwin A. Stevens Building Organizers: Daniel J. Gross, Seton Hall University grossdan@shu.edu
Nathan W. Kahl, Seton Hall University kahlnath@shu.edu
John T. Saccoman, Seton Hall University saccomjt@shu.edu
Charles L. Suffel, Stevens Institute of Technology csuffel@stevens.edu

8:00 a.m.
A Forbidden Subgraph Condition on the Complement of a Graph that Ensures Minimum Diameter.
L. William Kazmierczak*, Stevens Institute of Technology
Frank Boesch, Stevens Institute of Technology
Daniel Gross, Seton Hall University
Charles Suffel, Stevens Institute of Technology
(102605193)

8:30 a.m.
Some new results on nonplanar deltawyedelta graphs.
A. Satyanarayana*, Stevens Institute of Technology
Uma Batchu, Stevens Institute of Technology
(102605172)

9:00 a.m.
On the almostregularity of dense graphs with a maximum number of spanning trees.
Jose A. Rodriguez*, Computer Science Department Long Island UniversityBrooklyn Campus
(10260525)

9:30 a.m.
Martin/Odlyzko/Wolfram  20 Years Later.
Klaus Sutner*, Computer Science Department, Carnegie Mellon University
(10266856)

10:00 a.m.
Some Useful Techniques for Bounding Neighbor Connectivity in Abelian Cayley Graphs preliminary report.
Lynne L. Doty*, Marist College
(10260557)

10:30 a.m.
On the Problem of Packing Steiner trees of a Graph.
Louis Petingi*, Computer Science Department, College of Staten Island, City University of New York
(10260573)

Saturday April 14, 2007, 8:00 a.m.10:50 a.m.
Special Session on Differential Algebra, I
Room 118, Burchard Organizers: Phyllis J. Cassidy, Smith College and The City College of CUNY
Richard C. Churchill, Hunter College and The Graduate Center of CUNY
Li Guo, Rutgers University at Newark
William F. Keigher, Rutgers University at Newark
Jerald J. Kovacic, The City College of CUNY jkovacic@verizon.net
William Sit, The City College of CUNY

8:00 a.m.
Differential Equations and Frobenius Structures.
B. Heinrich Matzat*, Interdisciplinary Center for Scientific Computing, RuprechtKarlsUniversity of Heidelberg
(102612135)

8:30 a.m.
Subfields of the complete PicardVessiot closure of a differential field.
Andy R. Magid*, University of Oklahoma
(10261287)

9:00 a.m.
Arithmetic Partial Differential Equations.
Alexandru Buium*, University of New Mexico
Santiago Simanca, University of New Mexico
(10261124)

9:30 a.m.
Analytic $q$difference equations, universal rings and universal Galois groups.
Marius van der Put*, University of Groningen, The Netherlands
(10263485)

10:00 a.m.
Local differential galois group and adjoint representation.
Elie Compoint, Université des Sciences et Technologies de Lille
Anne Duval*, Université des Sciences et Technologies de Lille
(10262281)

10:30 a.m.
Differential Central Simple Algebras and Noncommutative PicardVessiot Cocycles.
Lourdes Juan*, Texas Tech University
Andy R. Magid, University of Oklahoma
(102620102)

Saturday April 14, 2007, 8:00 a.m.10:50 a.m.
Special Session on Automorphic Forms and Arithmetic Geometry, I
Room 229A, Edwin A. Stevens Building Organizers: Gautam Chinta, City College of New York chinta@sci.ccny.cuny.edu
Paul E. Gunnells, University of Massachusetts, Amherst gunnells@math.umass.edu

8:30 a.m.
Congruences between modular forms of prime level.
Scott Ahlgren*, University of Illinois
(102611209)

9:00 a.m.
On Eisenstein series twisted by modular symbols.
Yiannis N Petridis*, The Graduate Center and Lehman College, City University of New York
Morten Skarsholm Risager, Aarhus University, Denmark
(102611171)

9:30 a.m.
Higherorder automorphic forms and a conjectural inner product.
Cormac O'Sullivan*, Bronx Community College, CUNY
Ozlem Imamoglu, ETH, Zurich
Jay Jorgenson, City College, CUNY
(102611112)

10:00 a.m.
Periods of automorphic forms.
Omer Offen*, Humboldt Universitaet zu Berlin
(10261171)

10:30 a.m.
On the existence of Bessel functionals.
Ramin TaklooBighash*, Princeton University
(10261138)

Saturday April 14, 2007, 8:30 a.m.10:20 a.m.
Special Session on Nonlinear Waves in Dissipative/Dispersive Media, I
Room 229, Edwin A. Stevens Building Organizers: Keith S. Promislow, Michigan State University kpromisl@math.msu.edu
Yi Li, Stevens Institute of Technology yili@cs.stevens.edu

Saturday April 14, 2007, 8:30 a.m.10:50 a.m.
Special Session on Convex Sets, I
Room 222, Edwin A. Stevens Building Organizers: David Larman, University College London
Valeriu Soltan, George Mason University vsoltan@gmu.edu

8:30 a.m.
Stability results for convex bodies.
Rolf Schneider*, University of Freiburg, Germany
(10265299)

9:00 a.m.
Isometry invariant valuations on hyperbolic space.
Daniel A. Klain*, University of Massachusetts Lowell, Lowell, MA
(102652182)

9:30 a.m.
Bivaluations on Convex Bodies.
Monika Ludwig*, Polytechnic University New York
(102652134)

10:00 a.m.
Pairs of compact convex sets.
Diethard Ernst Pallaschke*, Institute for Statistics and Math. Economics, University of Karlsruhe
Ryszard Urbanski, Adam Mickiewicz University Poznan, Poland
(10265214)

10:30 a.m.
Some applications of crosssection measures in Minkowski spaces.
Horst Martini, University of Techology Chemnitz, Germany
Zokhrab Mustafaev*, University of HoustonClear Lake
(10265216)

Saturday April 14, 2007, 9:00 a.m.10:20 a.m.
Special Session on Fourier Analysis and Convexity, I
Room 231, Edwin A. Stevens Building Organizers: Alexander Koldobsky, University of Missouri Columbia koldobsk@math.missouri.edu
Dmitry Ryabogin, Kansas State University ryabs@math.ksu.edu

Saturday April 14, 2007, 9:00 a.m.10:50 a.m.
Special Session on Mathematical Aspects of Cryptography, I
Room 308, Edwin A. Stevens Building Organizers: Robert H. Gilman, Stevens Institute of Technology rgilman@stevens.edu
Neal I. Koblitz, University of Washington koblitz@math.washington.edu
Susanne Wetzel, Stevens Institute of Technology swetzel@stevens.edu

Saturday April 14, 2007, 9:30 a.m.10:50 a.m.
Special Session on Optimization of Stochastic Systems, I
Room 430, Burchard Organizers: Darinka Dentcheva, Stevens Institute of Technology ddentche@stevens.edu
Andrzej Ruszczynski, Rutgers University

Saturday April 14, 2007, 9:30 a.m.10:50 a.m.
Special Session on Affine Invariants, Randomness, and Approximation in Convex Geometry, I
Room 230, Edwin A. Stevens Building Organizers: Elisabeth Werner, Case Western Reserve University elisabeth.werner@case.edu
Artem Zvavitch, Kent State University zvavitch@math.kent.edu

9:00 a.m.
Optimal Sobolev Norms and the Minkowski Problem.
Erwin Lutwak, Polytechnic University
Deane Yang*, Polytechnic University
Gaoyong Zhang, Polytechnic University
(102652147)

9:30 a.m.
Delauney graphs with respect to rectangles.
Janos Pach*, City College, CUNY, New York and Renyi Institute, Budapest
Xiaomin Chen, Google
Mario Szegedy, Rutgers University
Gabor Tardos, Simon Fraser University
(10260592)

10:00 a.m.
Random convex chains.
Imre B\'ar\'any*, R\'enyi Institute (Hungary) and University College (London)
(10265250)

10:30 a.m.
A sharp RogersShephard type inequality for the $p$difference body of a planar convex body.
Andrea Colesanti*, 'U. Dini', Universita' degli Studi di Firenze
Chiara Bianchini, 'U. Dini', Universita' degli Studi di Firenze
(102652110)

Saturday April 14, 2007, 9:30 a.m.10:50 a.m.
Special Session on Languages and Groups, I
Room 130, Edwin A. Stevens Building Organizers: Sean Cleary, The City College of New York and CUNY Graduate Center cleary@sci.ccny.cuny.edu
Murray J. Elder, Stevens Institute of Technology murrayelder@gmail.com
Gretchen Ostheimer, Hofstra University gretchen.ostheimer@hofstra.edu

Saturday April 14, 2007, 9:30 a.m.10:50 a.m.
Special Session on Combinatorial Algebraic Geometry, I
Room 329, Edwin A. Stevens Building Organizers: Angela C. Gibney, University of Pennsylvania agibney@math.upenn.edu
Diane Maclagan, Rutgers University maclagan@math.rutgers.edu

Saturday April 14, 2007, 11:10 a.m.12:00 p.m.
Invited Address
Convex bodies: Best and random approximation.
Room 118, Burchard
Elisabeth Werner*, Case Western Reserve University
(10265204)

Saturday April 14, 2007, 1:30 p.m.2:20 p.m.
Invited Address
Stormy marriageA Periodizaton of the History of the Relationship between Mathematics and Cryptography.
Room 118, Burchard
Neal Koblitz*, University of Washington, Seattle
(10269403)

Saturday April 14, 2007, 2:30 p.m.5:20 p.m.
Special Session on Number Theory, II
Room 330, Edwin A. Stevens Building Organizers: Florian Luca, Universidad Nacional Aut\'onoma de M\'exico fluca@matmor.unam.mx
Allison M. Pacelli, Williams College allison.pacelli@williams.edu

Saturday April 14, 2007, 2:30 p.m.5:20 p.m.
Special Session on Graph Theory and Combinatorics, II
Room 212, Edwin A. Stevens Building Organizers: Daniel J. Gross, Seton Hall University grossdan@shu.edu
Nathan W. Kahl, Seton Hall University kahlnath@shu.edu
John T. Saccoman, Seton Hall University saccomjt@shu.edu
Charles L. Suffel, Stevens Institute of Technology csuffel@stevens.edu

2:30 p.m.
Irregularity Strength of Dense Graphs.
Bill Cuckler*, University of Delaware
Felix Lazebnik, University of Delaware
(102605117)

3:00 p.m.
Some Algebraic Structures on Rooted Trees.
Li Guo*, Rutgers University at Newark
(10260563)

3:30 p.m.
Path coverings with prescribed ends in hypercubes with faulty nodes.
Nelson Castaneda*, Central Connecticut State University
Ivan Gotchev, Central Connecticut State University
(10260521)

4:00 p.m.
"Largest Bonds in Graphs".
Nolan B. McMurray, Jr.*, Texas State University
Talmage James Reid, University of Mississippi
Laura Sheppardson, University of Mississippi
Bing Wei, University of Mississippi
Haidong Wu, University of Mississippi
(10260594)

4:30 p.m.
The prevalence of "paradoxical" dice. II. Tied dice.
Lorenzo Traldi*, Lafayette College
Brian Kronenthal, Lafayette College
(10260522)

5:00 p.m.
The Distinguishing Chromatic Number and Wreath Products.
Karen L Collins*, Wesleyan University
(10260520)

Saturday April 14, 2007, 2:30 p.m.4:50 p.m.
Special Session on Nonlinear Waves in Dissipative/Dispersive Media, II
Room 229, Edwin A. Stevens Building Organizers: Keith S. Promislow, Michigan State University kpromisl@math.msu.edu
Yi Li, Stevens Institute of Technology yili@cs.stevens.edu

Saturday April 14, 2007, 2:30 p.m.5:20 p.m.
Special Session on Optimization of Stochastic Systems, II
Room 430, Burchard Organizers: Darinka Dentcheva, Stevens Institute of Technology ddentche@stevens.edu
Andrzej Ruszczynski, Rutgers University

2:30 p.m.
Monetary Risk Measures on Maximal Subspaces of Orlicz Classes.
Patrick Cheridito*, Princeton University
Tianhui Li, Princeton University
(102660181)

3:00 p.m.
Martingale Approach to Stochastic Differential Games of Control and Stopping.
Ioannis Karatzas, Columbia University
Ingrid Mona Zamfirescu*, Baruch College  CUNY
(102660116)

3:30 p.m.
Homogenization of HamiltonJacobiBellman equations with respect to timespace shifts in a stationary ergodic random medium.
Elena Kosygina*, Baruch College and the Graduate Center, CUNY
Srinivasa R. S. Varadhan, Courant Institute of Mathematical Sciences, NYU
(102660100)

4:00 p.m.
Hedging under L2 convex risk measures.
Antoine Toussaint*, Princeton University
(102660173)

4:30 p.m.
Accounting for Risk Aversion and Other Idiosyncrasies in the Valuation of Employee Stock Options.
Tim Siutang Leung*, Princeton University
Ronnie Sircar, Princeton University
(102660115)

5:00 p.m.
Coefficient Estimation for Diffusion Equations with a hidden factor.
Ionut Florescu*, Stevens Institute of Technology
(10266077)

Saturday April 14, 2007, 2:30 p.m.5:20 p.m.
Special Session on Convex Sets, II
Room 222, Edwin A. Stevens Building Organizers: David Larman, University College London
Valeriu Soltan, George Mason University vsoltan@gmu.edu

2:30 p.m.
Decomposition of multiple coverings into coverings.
Janos Pach*, City College, CUNY, New York and Renyi Institute, Budapest
Geza Toth, Renyi Institute
(10265291)

3:00 p.m.
Distributing an infinite point sequence uniformly in a region.
Peter Brass*, City College New York
(102652145)

3:30 p.m.
On the infinitesimal rigidity of weakly convex polyhedra.
Robert Connelly*, Cornell University
JeanMarc Schlenker, Universit\'e Paul Sabatier
(102652163)

4:00 p.m.
The moment theorem for convex sets.
G\'abor Fejes T\'oth*, R\'enyi Institute of the Hungarian Academy of Sciences
(102652168)

4:30 p.m.
Classification of bicyclic 4polytopes.
Ted Bisztriczky*, University of Calgary
(102652128)

5:00 p.m.
On iterative processes generating dense point sets.
Andras Bezdek*, Auburn University, Auburn, AL
(102652215)

Saturday April 14, 2007, 2:30 p.m.4:20 p.m.
Special Session on Affine Invariants, Randomness, and Approximation in Convex Geometry, II
Room 230, Edwin A. Stevens Building Organizers: Elisabeth Werner, Case Western Reserve University elisabeth.werner@case.edu
Artem Zvavitch, Kent State University zvavitch@math.kent.edu

Saturday April 14, 2007, 2:30 p.m.5:20 p.m.
Special Session on Fourier Analysis and Convexity, II
Room 231, Edwin A. Stevens Building Organizers: Alexander Koldobsky, University of Missouri Columbia koldobsk@math.missouri.edu
Dmitry Ryabogin, Kansas State University ryabs@math.ksu.edu

2:30 p.m.
Geometric Inequalities for Bounded Symmetric Domains.
Eric L. Grinberg*, University of New Hampshire
(102652211)

3:00 p.m.
Sums and Products via Fourier Analysis.
Derrick Hart, University of MissouriColumbia
Alex Iosevich*, University of Missouri
Jozsef Solymosi, University of British Columbia
(10265234)

3:30 p.m.
Fourier Transforms with Only Real Zeros and Probability.
Wenbo V. Li*, University of Delaware
(102660139)

4:00 p.m.
The determination of convex bodies from derivatives of section functions.
Christopher Shane*, University of Missouri Columbia
Alexander Koldobsky, University of Missouri Columbia
(102652121)

4:30 p.m.
Semyanistyi's integrals and Radon transforms on matrix spaces.
Elena Ournycheva*, Kent State University
Boris Rubin, Louisiana State University
(102642132)

5:00 p.m.
The Ros' theorem for convex domain.
Jiazu Zhou*, Southwest University
Deshuo Jiang, Wuhan University
(10265253)

Saturday April 14, 2007, 2:30 p.m.5:20 p.m.
Special Session on Differential Algebra, II
Room 118, Burchard Organizers: Phyllis J. Cassidy, Smith College and The City College of CUNY
Richard C. Churchill, Hunter College and The Graduate Center of CUNY
Li Guo, Rutgers University at Newark
William F. Keigher, Rutgers University at Newark
Jerald J. Kovacic, The City College of CUNY jkovacic@verizon.net
William Sit, The City College of CUNY

2:30 p.m.
Patching and differential Galois groups.
David Harbater, University of Pennsylvania
Julia Hartmann*, University of Heidelberg
(102613137)

3:00 p.m.
Iterative $q$ difference Galois theory.
Charlotte Hardouin*, IWR Heidelberg Germany
(10268170)

3:30 p.m.
Tannakian formalism for linear differential algebraic groups.
Alexey Ovchinnikov*, North Carolina State University
(102613144)

4:00 p.m.
A generalization of the RiemannHilbert Problem.
Claude Mitschi*, Universit\'e Louis Pasteur, Strasbourg (France)
(102634114)

4:30 p.m.
BorelLaplace summation of qseries and confluence.
Lucia Di Vizio*, Institut de Mathematiques de Jussieu, Paris, France
(102633151)

5:00 p.m.
Standard bases in differential algebra.
Eugueny V. Pankratiev*, Moscow State University
(102612124)

Saturday April 14, 2007, 2:30 p.m.5:20 p.m.
Special Session on Automorphic Forms and Arithmetic Geometry, II
Room 229A, Edwin A. Stevens Building Organizers: Gautam Chinta, City College of New York chinta@sci.ccny.cuny.edu
Paul E. Gunnells, University of Massachusetts, Amherst gunnells@math.umass.edu

2:30 p.m.
Hyperbolic Lattice Point Count in Infinite Volume with Applications to Sieves.
Alex V Kontorovich*, Columbia University
(10261142)

3:00 p.m.
A Dynamic MordellLang Conjecture for Split Polynomial Maps.
Thomas J Tucker*, University of Rochester
Dragos Ghioca, McMaster Unversity
(10261197)

3:30 p.m.
A Shafarevich Faltings finitness theorem for rational maps (work with T.Tucker).
Lucien Szpiro*, CUNY Graduate Center
(10261145)

4:00 p.m.
On the central critical value of certain Lfunctions.
Farshid Hajir*, University of Massachusetts, Amherst
Paul Gunnells, University of Massachusetts, Amherst
(102611107)

4:30 p.m.
Rank Lowering Operators on GL($n$).
Dorian Goldfeld*, Columbia University
(102611138)

5:00 p.m.
Polyhedral theta functions, polyhedral Gauss sums, and extensions of the Gram relations for polytopes.
Sinai Robins*, Temple University
(10265239)

Saturday April 14, 2007, 2:30 p.m.4:20 p.m.
Special Session on Languages and Groups, II
Room 130, Edwin A. Stevens Building Organizers: Sean Cleary, The City College of New York and CUNY Graduate Center cleary@sci.ccny.cuny.edu
Murray J. Elder, Stevens Institute of Technology murrayelder@gmail.com
Gretchen Ostheimer, Hofstra University gretchen.ostheimer@hofstra.edu

Saturday April 14, 2007, 2:30 p.m.4:50 p.m.
Special Session on Mathematical Aspects of Cryptography, II
Room 308, Edwin A. Stevens Building Organizers: Robert H. Gilman, Stevens Institute of Technology rgilman@stevens.edu
Neal I. Koblitz, University of Washington koblitz@math.washington.edu
Susanne Wetzel, Stevens Institute of Technology swetzel@stevens.edu

Saturday April 14, 2007, 2:30 p.m.4:50 p.m.
Special Session on Combinatorial Algebraic Geometry, II
Room 329, Edwin A. Stevens Building Organizers: Angela C. Gibney, University of Pennsylvania agibney@math.upenn.edu
Diane Maclagan, Rutgers University maclagan@math.rutgers.edu

Saturday April 14, 2007, 2:30 p.m.5:25 p.m.
Contributed Paper Session, I
Room 205, Morton

2:30 p.m.
Charles Babbage's Contributions to Cryptography.
Marina Vulis*, CUNY
(102601230)

2:45 p.m.
Extending Toughness to Infinite Graphs.
Kevin K. Ferland*, Bloomsburg University of PA
(10260552)

3:00 p.m.
Break.

3:15 p.m.
Infinitely Often Dense Bases with a Prescribed Representation Function.
Jaewoo Lee*, Borough of Manhattan Community College, The City University of New York
(10261149)

3:30 p.m.
Revisit on A4 = B4 + C4 + D4  E4  F4.
Susil Kumar Jena*, KIIT University, Bhubaneswar, Orissa, India
(102611198)

3:45 p.m.
A normal form for elements of Thompson's group $F(2,3)$.
Claire W Wladis*, City University of New York
(102620216)

4:00 p.m.
Notes on Supermodularity of Outer Measures.
Carmen Vlad*, Pace University , New York , NY
(102628152)

4:15 p.m.
Absolute Summability Factors of an Infinite Series.
Syed M. Mazhar*, Kuwait University
(102640166)

4:30 p.m.
Solvability and the number of solutions of Hammerstein equations.
P. S. Milojevic*, , New Jersey Institute of Technology
(102647203)

4:45 p.m.
Dynamics of Genetic Differentiation in Structured Populations.
Sivan Rottenstreich*, Georgetown University
(102692131)

5:00 p.m.
Selforganization in sociobiological systems: from individual imitations to complex population patterns.
Nikolay Strigul*, Stevens Institute of Technology
(10269217)

5:15 p.m.
Wildlife Tracking under Noisy or Unreliable Measurements.
Channa N Navaratna*, Indiana University of Pennsylvania
Menaka B Navaratna, Florida Gulf Coast University
(102692214)

Saturday April 14, 2007, 5:30 p.m.6:30 p.m.
Stevens Insitute of Technology Department of Mathematical Sciences Reception
Atrium, Babbio
Inquiries: meet@ams.org

