AMS Sectional Meeting Full Program
Current as of Tuesday, April 12, 2005 15:21:41
2004 Spring Eastern Section Meeting
Lawrenceville, NJ, April 1718, 2004
Meeting #997
Associate secretaries: Lesley M Sibner, AMS lsibner@duke.poly.edu
Saturday April 17, 2004

Saturday April 17, 2004, 7:30 a.m.4:30 p.m.
Meeting Registration
Calvalla Room, Bart Luedeke (Student) Center 
Saturday April 17, 2004, 7:30 a.m.4:30 p.m.
Exhibit and Book Sale
Calvalla Room, Bart Luedeke (Student) Center 
Saturday April 17, 2004, 8:00 a.m.10:40 a.m.
Special Session on CR Geometry and Singularities, I
Room 218, Memorial Hall
Organizers:
Joseph J. Kohn, Princeton University kohn@math.princeton.edu
John P. D'Angelo, University of Illinois jpda@math.uiuc.edu
Xiaojun Huang, Rutgers University
Andreea Nicoara, Harvard University

8:00 a.m.
Special Toeplitz operators associated to the Bergman projection.
Jeffery D McNeal*, Ohio State University
(9973247) 
9:00 a.m.
Boundary properties of solutions of planar complex vector fields.
Shif Berhanu*, Temple University
Jorge Hounie, Federal University of Sao Carlos
(9973514) 
10:00 a.m.
Subelliptic boundary value problems for the Spinc Dirac operator.
Charles L. Epstein*, University of PA
(9973237)

8:00 a.m.

Saturday April 17, 2004, 8:00 a.m.11:00 a.m.
Special Session on Variational Methods in Classical Mechanics, I
Room 219, Memorial Hall
Organizers:
John N. Mather, Princeton University jnm@math.princeton.edu
Vadim Y. Kaloshin, Institute for Advanced Study kaloshin@caltech.edu

8:00 a.m.
Minimizing methods for the Nbody problem without equalmass constraint.
KuoChang Chen*, University of Arizona
(99737163) 
9:00 a.m.
Holomorphic Curves and Reeb Flows on Closed Threemanifolds.
Helmut H Hofer*, Courant Institute
(99737170) 
10:15 a.m.
Shadowing collision orbits of the 3 body problem.
Sergey Bolotin*, Univeristy of Wisconsin  Madison
(99737269)

8:00 a.m.

Saturday April 17, 2004, 8:00 a.m.10:50 a.m.
Special Session on Commutative Algebra and Algebraic Geometry, I
Room 210, Memorial Hall
Organizers:
Alberto Corso, University of Kentucky corso@ms.uky.edu
Claudia Polini, University of Notre Dame cpolini@nd.edu
Wolmer V. Vasconcelos, Rutgers University vasconce@math.rutgers.edu

8:00 a.m.
Homological invariants of modules over local homomorphisms.
Luchezar L. Avramov*, University of Nebraska, Lincoln
Srikanth Iyengar, University of Missouri, Columbia
Claudia Miller, Syracuse University
(99713137) 
8:30 a.m.
bgeneric modules.
Hara Charalambous*, University at Albany, SUNY
(99713200) 
9:00 a.m.
On Extensions of Modules.
Janet Striuli*, University of Kansas
(99713125) 
9:30 a.m.
The tracking number of an algebra.
Kia Dalili*, Rutgers University
(9971368) 
10:00 a.m.
The integral closure of monomial rings.
Joseph P. Brennan*, North Dakota State University
(99713191) 
10:30 a.m.
Normalization of modules.
Jooyoun Hong*, Purdue University
(99713215)

8:00 a.m.

Saturday April 17, 2004, 8:00 a.m.10:50 a.m.
Special Session on Geometry of Protein Modelling, I
Room 102, Science and Technology Center
Organizers:
Ileana Streinu, Smith College streinu@cs.smith.edu
Jack Snoeyink, University of North Carolina at Chapel Hill snoeyink@cs.unc.edu

8:00 a.m.
Exploring Protein Flexibility through Bond Networks.
Leslie A. Kuhn*, Michigan State University
(99792263) 
8:30 a.m.
Network Rigidity at Finite Temperatures and Free Energy Landscapes.
Donald J Jacobs*, California State University, Northridge
(99782237) 
9:00 a.m.
Perspectives on Protein (un)Folding from Rigidity.
A. J. Rader*, University of Pittsburgh
(99774175) 
9:30 a.m.
Sampling Protein Conformations and Pathways by a Coarse Graining Algorithm.
Ming Lei*, Brandeis University
Maria I. Zavodszky, Michigan State University
Leslie A. Kuhn, Michigan State University
M. F. Thorpe, Arizona State University
(99792213) 
10:00 a.m.
An Automated Protocol for Designing Functionally Orthogonal Protein Interfaces.
Brian Kuhlman*, University of North Carolina at Chapel Hill
Deanne Sammond, University of North Carolina at Chapel Hill
Ziad Eletr, University of North Carolina at Chapel Hill
(99792245) 
10:30 a.m.
Disulfide connectivity prediction using secondary structure information.
Fabrizio Ferre, Boston College
Peter G Clote*, Boston College
(99792244)

8:00 a.m.

Saturday April 17, 2004, 8:20 a.m.10:50 a.m.
Special Session on Elliptic Surfaces and Elliptic Fibrations, I
Room 201, Memorial Hall
Organizers:
William L. Hoyt, Rutgers University hoyt@rci.rutgers.edu
Joseph H. Silverman, Brown University jhs@math.brown.edu
Charles F. Schwartz, Rider University schwartz@rider.edu

8:20 a.m.
Welcoming Remarks. 
8:30 a.m.
Sections of Yoshida Elliptic $K3$ Surfaces.
William L Hoyt, Rutgers University
Charles F Schwartz*, Rider University
(99714149) 
9:00 a.m.
Exlicit stable models of elliptic surfaces.
Gabriele La Nave*, Courant Institute
(9971419) 
9:30 a.m.
The NeronSeveri Group of Certain Algebraic Surfaces.
Michael I Rosen*, Brown University
(99711273) 
10:00 a.m.
Complex multiplication for elliptic curves associated with sections of certain elliptic surfaces.
William L Hoyt*, Rutgers University
Charles F Schwartz, Rider University
(9971451) 
10:30 a.m.
Common divisors of elliptic divisibility sequences over function fields.
Joseph H Silverman*, Brown University
(9971118)

8:20 a.m.

Saturday April 17, 2004, 8:30 a.m.10:50 a.m.
Special Session on Analytic Convex Geometry, I
Room 302, Memorial Hall
Organizers:
Alina Stancu, Polytechnic University astancu@poly.edu
Elisabeth Werner, Case Western Reserve University emw2@po.cwru.edu

8:30 a.m.
Isomorphic version of the BusemannPetty problem for Gaussian Measure.
Artem Zvavitch*, University of MissouriColumbia
(9975244) 
9:00 a.m.
Convex bodies: metrics, intrinsic volumes, and Gaussian measure.
Rick Vitale*, University of Connecticut
(9975278) 
9:30 a.m.
Asymptotic mean values of Gaussian polytopes.
Matthias Reitzner*, Univ. Techn. Vienna
(99760218) 
10:00 a.m.
MomentEntropy Inequalities.
Erwin Lutwak, Polytechnic University
Deane Yang*, Polytechnic University
Gaoyong Zhang, Polytechnic University
(9975229) 
10:30 a.m.
Pairs of Convex Bodies with Centrally Symmetric Intersections of Translates.
Valeriu Soltan*, George Mason University
(9975226)

8:30 a.m.

Saturday April 17, 2004, 8:30 a.m.10:50 a.m.
Special Session on Group Cohomology and Related Topics (in Honor of William Browder's 70th Birthday), I
Room 301, Memorial Hall
Organizers:
Alejandro Adem, University of Wisconsin adem@math.wisc.edu
Jonathan Pakianathan, University of Rochester jonpak@math.rochester.edu

8:30 a.m.
Quasicommutative differential graded algebras and homotopy types.
Max Karoubi*, University Paris 7
(9975522) 
9:00 a.m.
All stably parallelizable compact manifolds are complete intersections of quadrics.
Vinicio G\'omez Guti\'errez, Facultad de Ciencias, UNAM, Mexico
Santiago Lopez de Medrano*, Instituto de Matematicas, UNAM, Mexico
(99757176) 
9:30 a.m.
$p$local finite groups and their extension theory.
Jesper Grodal*, University of Chicago
(99755165) 
10:00 a.m.
On the IAautomorphisms of a free group.
F. R. Cohen*, University of Rochester
B. Farb, University of Chicago
J. Pakianathan, University of Rochester
(99755158) 
10:30 a.m.
Ring structures of Hochschild and orbifold cohomology.
RagnarOlaf Buchweitz, University of Toronto
Sarah Witherspoon*, MSRI and Texas A&M University
(99718130)

8:30 a.m.

Saturday April 17, 2004, 8:30 a.m.10:50 a.m.
Special Session on Tomography and Integral Geometry, I
Room 208, Science and Technology Center
Organizers:
Andrew Markoe, Rider University markoe@rider.edu
Eric Todd Quinto, Tufts University todd.quinto@tufts.edu

8:30 a.m.
Interpolation by average variational splines on weighted graphs.
Isaac Pesenson*, Temple University
(99741108) 
9:00 a.m.
Stability estimates for helical computed tomography.
Alexander Katsevich*, University of Central Florida
(99744171) 
9:30 a.m.
The circular Radon transform and thermoacoustic tomography.
Gaik Ambartsoumian, Texas A&M University
Peter Kuchment*, Texas A&M University
(99744219) 
10:00 a.m.
Radon transform on matrix spaces.
Boris Rubin*, The Hebrew University of Jerusalem
(9974423) 
10:30 a.m.
Internet tomography.
Carlos A. Berenstein*, Univ. of Maryland
Franklin Gavilanez, Univ. of Maryland
(9974482)

8:30 a.m.

Saturday April 17, 2004, 8:30 a.m.11:00 a.m.
Special Session on Strings and Branes, I
Room 317, Memorial Hall
Organizers:
Thomas P. Branson, University of Iowa branson@eva.math.uiowa.edu
S. James Gates, University of Maryland gatess@umd.edu

8:30 a.m.
Invariants on symmetric superspaces.
Yi Ming Zou*, University of WisconsinMilwaukee
(99722174) 
9:10 a.m.
Supersymmetry beyond Superspace.
Gregory D. Landweber*, University of Oregon
(99717100) 
9:30 a.m.
Discussion. 
10:30 a.m.
Coadjoint orbits, spherical vectors and the wavefunction of the universe.
Andrew Waldron*, UC Davis
(9978196)

8:30 a.m.

Saturday April 17, 2004, 8:30 a.m.10:50 a.m.
Special Session on Homotopical Physics, I
Room 303, Memorial Hall
Organizers:
James Stasheff, University of North Carolina jds@math.unc.edu
Thomas J. Lada, North Carolina State University lada@math.ncsu.edu
Alexander A. Voronov, University of Minnesota voronov@math.umn.edu

8:30 a.m.
Principles of Quantum Fields Theory.
JaeSuk Park*, Graduate Center of CUNY
(99781162) 
9:00 a.m.
Quantum Deformation Theory.
John Terilla*, Stony Brook University
(99781207) 
9:30 a.m.
On the Cyclic Deligne Conjecture.
Thomas Tradler*, New York City College of Technology
(99716159) 
10:00 a.m.
Theories, 2categories, and conformal field theory.
Po Hu*, Wayne State University
(99781203) 
10:30 a.m.
Renormalization from the homotopy theoretical point of view.
Dmitry E Tamarkin*, Northwestern University
(99781154)

8:30 a.m.

Saturday April 17, 2004, 9:00 a.m.11:00 a.m.
Special Session on Convergence of Riemannian Manifolds, I
Room 321, Memorial Hall
Organizers:
Christina Sormani, Herbert H. Lehman College (CUNY) sormani@comet.lehman.cuny.edu
Xiaochun Rong, Rutgers State University
Guofang Wei, University of California Santa Barbara

9:00 a.m.
Rough Isometries Between NonCompact Riemannian Manifolds.
Cristina Abreu Suzuki*, The Graduate Center, CUNY
(9975357) 
9:30 a.m.
Convergence and the Covering Spectrum.
Christina Sormani*, Lehman College and CUNY Graduate Center
Guofang Wei, U.C.S.B.
(99758119) 
10:20 a.m.
Degeneration of KahlerEinstein manifolds.
WeiDong Ruan*, University of Illinois at Chicago
(99753126)

9:00 a.m.

Saturday April 17, 2004, 9:00 a.m.10:50 a.m.
Special Session on Theory of Initial and BoundaryValue Problems for Some Nonlinear Partial Differential Equations, I
Room 222, Science and Technology Center
Organizers:
Laihan Luo, Richard Stockton College of New Jersey Robert.Luo@stockton.edu

9:00 a.m.
Variational characterization and stability of $n$soliton solutions to the KdV equation.
John P Albert*, University of Oklahoma
Jerry L Bona, University of Illinois at Chicago
Nghiem V Nguyen, University of Illinois at Chicago
(99735234) 
9:30 a.m.
Initialboundaryvalue problems for model equations for water waves.
Jerry L Bona*, University of Ilinois at Chicago
(99735147) 
10:00 a.m.
Boundary Smoothing Properties of the Kortewegde Vries Equation in a Quarter Plane.
S. M. Sun*, Virginia Tech
(99735106) 
10:30 a.m.
Hamiltonian approximation of the GreenNaghdi (GN) equations.
Yi Li*, Stevens Institute of Technology
(99735267)

9:00 a.m.

Saturday April 17, 2004, 9:00 a.m.10:50 a.m.
Special Session on Automorphic Forms and Analytic Number Theory, I
Room 201, Science and Technology Center
Organizers:
Stephen Miller, Rutgers University miller@math.rutgers.edu
Ramin TaklooBighash, Princeton University rtakloo@math.princeton.edu

9:00 a.m.
Exponential Sum with Hecke Eigenvalues at shifted primes.
Liangyi Zhao*, United States Military Academy
(9971106) 
9:30 a.m.
The residue of RankinSelberg and multiplicity one.
Farrell Brumley*, Princeton
(99711256) 
10:00 a.m.
Lowlying zeros of families of elliptic curves.
Matthew Young*, Rutgers
(99711249) 
10:30 a.m.
Prime orders for the reductions of a CM elliptic curve.
Alina Carmen Cojocaru*, Princeton University
(9971140)

9:00 a.m.

Saturday April 17, 2004, 9:00 a.m.10:50 a.m.
Special Session on Homotopy Theory (in Honor of William Browder's 70th Birthday), I
Room 304, Memorial Hall
Organizers:
Martin Bendersky, Hunter College mbenders@math.hunter.cuny.edu
Donald Davis, Lehigh University dmd1@lehigh.edu

8:30 a.m.
Higher Leibniz formulas for $S^1$ equivariant Salgebras.
Robert R Bruner*, Wayne State University
(9975524) 
9:00 a.m.
Multicategories in $K$theory and stable homotopy.
Anthony D Elmendorf*, Purdue University Calumet
(9975517) 
9:30 a.m.
Stable model categories and a theorem of Pirashvili.
Randall D Helmstutler*, University of Virginia
(9975592) 
10:00 a.m.
Coxeter Complexes and GraphAssociahedra.
Satyan L Devadoss*, Williams College
(9975235) 
10:30 a.m.
ArtinSchreier curves and higher elliptic cohomology.
Douglas C. Ravenel*, University of Rochester
(99755276)

8:30 a.m.

Saturday April 17, 2004, 9:00 a.m.10:40 a.m.
Special Session on Algebraic Geometry and Mirror Symmetry, I
Room 203, Memorial Hall
Organizers:
Ciprian Borcea, Rider University borcea@enigma.rider.edu

9:00 a.m.
Integral Structures, Toric Geometry, and Homological Mirror Symmetry.
Charles Doran*, Columbia University and University of Washington
John Morgan, Columbia University
(9971495) 
9:30 a.m.
Equivalences of derived categories and their mirror symmetric interpretation.
R. Paul Horja*, University of Michigan
Lev Borisov, University of WisconsinMadison
(99714204) 
10:00 a.m.
Generalized special Lagrangian torus fibrations for CalabiYau hypersurfaces in toric varieties.
WeiDong Ruan*, University of Illinois at Chicago
(99753127)

9:00 a.m.

Saturday April 17, 2004, 9:00 a.m.10:50 a.m.
Special Session on Surgery (in Honor of William Browder's 70th Birthday), I
Room 306, Memorial Hall
Organizers:
Frank S. Quinn, Virginia Polytechnic Institute & State University quinn@math.vt.edu

9:00 a.m.
Ltheory of Free Products.
Francis X Connolly, University of Notre Dame
James F Davis*, Indiana University
(99757257) 
9:30 a.m.
Fourdimensional graphmanifolds.
Alexandra Mozgova*, University of Avignon
(99757246) 
10:00 a.m.
Homotopy Intersection Theory.
Bruce Williams*, U. of Notre Dame
(99757226) 
10:30 a.m.
The very strong $C_\infty$ topology on $C_\infty(M,N)$ and $K$equivariant maps.
Soren Illman*, University of Helsinki
(99757223)

9:00 a.m.

Saturday April 17, 2004, 10:00 a.m.10:40 a.m.
Session for Contributed Papers
Room 318, Memorial Hall

10:00 a.m.
Nonnormality on Tests for Random Walk Models with tDistributed Errors.
Leslie Chandrakantha*, John Jay College/City University of New York
(9976209) 
10:15 a.m.
A Closed Form Representation of the Macdonald Function of Arbitrary Order.
Mohamed T Boudjelkha*, Rensselaer Polytechnic Institute
(9973310) 
10:30 a.m.
Actions of k* on Nonsingular Affine Surfaces.
Sandra M. Caravella*, Centenary College
(99714142)

10:00 a.m.

Saturday April 17, 2004, 11:10 a.m.12:05 p.m.
Invited Address
Welcome and Opening Remarks by Rider University President Mordechai Rozanski.
Theater, Bart Luedeke (Student) Center
Poincar\'e duality, free loop space, and strings.
Theater, Bart Luedeke (Student) Center
Dennis P. Sullivan*, Graduate Center of CUNY and SUNY at Stony Brook
(9972202) 
Saturday April 17, 2004, 1:30 p.m.2:20 p.m.
Invited Address
Affine isoperimetric inequalities.
Theater, Bart Luedeke (Student) Center
Gaoyong Zhang*, Polytechnic University
(9975204) 
Saturday April 17, 2004, 2:30 p.m.6:10 p.m.
Special Session on CR Geometry and Singularities, II
Room 218, Memorial Hall
Organizers:
Joseph J. Kohn, Princeton University kohn@math.princeton.edu
John P. D'Angelo, University of Illinois jpda@math.uiuc.edu
Xiaojun Huang, Rutgers University
Andreea Nicoara, Harvard University

2:30 p.m.
Spectral analysis of the dbarNeumann and Kohn Laplacians.
Siqi Fu*, Rutgers UniversityCamden
(99732138) 
3:30 p.m.
The dbar Neumann problem, magnetic Schrodinger operators, and the AharonovBohm phenomenon.
Michael Christ*, University of California, Berkeley
Siqi Fu, Rutgers University, Camden
(99732199) 
4:30 p.m.
Geometric properties of mappings between CR manifolds.
Linda Preiss Rothschild*, UCSD
Peter Ebenfelt, UCSD
(99732153) 
5:30 p.m.
Finite mappings of essentially finite CR manifolds.
Peter Ebenfelt*, U California, San Diego
Linda P. Rothschild, U California, San Diego
(99732211)

2:30 p.m.

Saturday April 17, 2004, 2:30 p.m.4:15 p.m.
Special Session on Variational Methods in Classical Mechanics, II
Room 219, Memorial Hall
Organizers:
John N. Mather, Princeton University jnm@math.princeton.edu
Vadim Y. Kaloshin, Institute for Advanced Study kaloshin@caltech.edu

Saturday April 17, 2004, 2:30 p.m.5:40 p.m.
Special Session on Convergence of Riemannian Manifolds, II
Room 321, Memorial Hall
Organizers:
Christina Sormani, Herbert H. Lehman College (CUNY) sormani@comet.lehman.cuny.edu
Xiaochun Rong, Rutgers State University
Guofang Wei, University of California Santa Barbara

2:30 p.m.
Generalized cone constructions in Alexandrov, Riemannian and Lorentz spaces.
Stephanie B Alexander*, UIUC
Richard L Bishop, UIUC
(99753132) 
3:20 p.m.
Lorentzian Gromov Hausdorff theory.
Johan Noldus*, Universiteit Gent
(9975145) 
4:10 p.m.
Approximation of the quantum Tori by finite quantum Tori for the quantum GromovHaussdorf distance.
Frederic Latremoliere*, University of California, Berkeley
(9974671) 
5:00 p.m.
Discussion of Lorentzian Convergence

2:30 p.m.

Saturday April 17, 2004, 2:30 p.m.5:20 p.m.
Special Session on Geometry and Arithmetic of Lattices
Room 319, Memorial Hall
Organizers:
John H. Conway, Princeton University conway@math.princeton.edu
Derek A. Smith, Lafayette College smithder@lafayette.edu

2:30 p.m.
Some Applications of Lattices to Group Theory, Number Theory, and Logic.
J H Conway*, Princeton University
(99751264) 
3:00 p.m.
Details of the cone of Minkowskireduced quadratic forms in low numbers of variables.
Hale F Trotter*, Princeton University
(99711182) 
3:30 p.m.
From finite lattices to finite simple groups.
Christopher S Simons*, Rowan University
(9970665) 
4:00 p.m.
Arithmetic properties of lattices in rank 2 KacMoody groups over finite fields.
Lisa Carbone*, Rutgers University
(99720241) 
4:30 p.m.
Quaternions, octonions, and now 16ons and $2^n$ons  new kinds of numbers.
Warren D. Smith*, Stony Brook, NY
(99708233) 
5:00 p.m.
Lattices and Quantum Logic.
S Kochen*, Princeton University
(99751265)

2:30 p.m.

Saturday April 17, 2004, 2:30 p.m.5:50 p.m.
Special Session on Commutative Algebra and Algebraic Geometry, II
Room 210, Memorial Hall
Organizers:
Alberto Corso, University of Kentucky corso@ms.uky.edu
Claudia Polini, University of Notre Dame cpolini@nd.edu
Wolmer V. Vasconcelos, Rutgers University vasconce@math.rutgers.edu

2:30 p.m.
Pencils of forms and level Artinian algebras.
Anthony Iarrobino*, Northeastern University
(99713141) 
3:00 p.m.
On the first infinitesimal neighborhood of a kconfiguration.
Anthony V. Geramita, Queen's University/University of Genova
Juan C. Migliore*, University of Notre Dame
Lousindi R. Sabourin, York University
(9971366) 
3:30 p.m.
Maximal rank conjectures and algorithms for infinitesimal neighborhoods.
Karen A. Chandler*, University of Notre Dame
(99714232) 
4:00 p.m.
A normal form for space curves in a double plane.
Nadia Chiarli, Politecnico di Torino
Silvio Greco, Politecnico di Torino
Uwe Nagel*, University of Kentucky
(99714235) 
4:30 p.m.
The general plane section of a curve in $P^3$.
Elisa Gorla*, University of Notre Dame
(99714189) 
5:00 p.m.
BuchsbaumRim multiplicity formulas.
CY. Jean Chan*, University of Arkansas
JungChen Liu, National Taiwan Normal University
Bernd Ulrich, Purdue University
(99713151) 
5:30 p.m.
Monomial ideals via squarefree monomial ideals.
Sara Faridi*, University of Quebec at Montreal
(99713185)

2:30 p.m.

Saturday April 17, 2004, 2:30 p.m.5:50 p.m.
Special Session on Analytic Convex Geometry, II
Room 302, Memorial Hall
Organizers:
Alina Stancu, Polytechnic University astancu@poly.edu
Elisabeth Werner, Case Western Reserve University emw2@po.cwru.edu

2:30 p.m.
Comparison of volumes of convex bodies by means of "areas" of central sections.
Alexander Koldobsky*, University of MissouriColumbia
(9975246) 
3:00 p.m.
Convex Bodies with proportional projection functions.
Ralph Howard*, University of South Carolina
Daniel Hug, AlbertLudwigsUniversit\"at Freiburg
(9975225) 
3:30 p.m.
Average directed projection and section functions.
Paul Goodey*, University of Oklahoma
Wolfgang Weil, Universit\"at Karlsruhe
(99752157) 
4:00 p.m.
Transportation inequalities and convex geometry.
Mark W Meckes*, Stanford University
(99752180) 
4:30 p.m.
Inequalities for volumes of polar bodies.
Stefano Campi*, University of Modena and Reggio E.  Italy
Paolo Gronchi, Istituto Applicazioni del Calcolo  CNR
(99752169) 
5:00 p.m.
Convexity and the Steiner formula.
Daniel Hug, University of Freiburg
Guenter Last, University of Karlsruhe
Wolfgang Weil*, University of Karlsruhe
(99752121) 
5:30 p.m.
Some new elements of the elliptic BrunnMinkowski theory.
Poramate Pranayanuntana*, Polytechnic University of New York
(9975250)

2:30 p.m.

Saturday April 17, 2004, 2:30 p.m.4:50 p.m.
Special Session on Group Cohomology and Related Topics (in Honor of William Browder's 70th Birthday), II
Room 301, Memorial Hall
Organizers:
Alejandro Adem, University of Wisconsin adem@math.wisc.edu
Jonathan Pakianathan, University of Rochester jonpak@math.rochester.edu

2:30 p.m.
Coclass and cohomology.
Jon F. Carlson*, University of Georgia
(9972081) 
3:00 p.m.
Unstable Morita classes in the homology of $Out(F_n)$.
Karen Vogtmann*, Cornell University
James Conant, University of Tennessee, Knoxville
(9972075) 
3:30 p.m.
Representation theory and the Ktheory of fields.
Gunnar Erik Carlsson*, Stanford University
(99755102) 
4:00 p.m.
Holomorphic disks and lowdimensional topology.
Peter S Ozsvath*, Columbia University/IAS
(9975761) 
4:30 p.m.
Commutative algebra and the cohomology of groups.
David J Benson*, University of Georgia
(9975556)

2:30 p.m.

Saturday April 17, 2004, 2:30 p.m.4:20 p.m.
Special Session on Theory of Initial and BoundaryValue Problems for Some Nonlinear Partial Differential Equations, II
Room 222, Science and Technology Center
Organizers:
Laihan Luo, Richard Stockton College of New Jersey Robert.Luo@stockton.edu

2:30 p.m.
Initial and Twopoint Boundary Value Problem for the BBMequation.
Hongqiu Chen*, The University of Memphis
(99735198) 
3:00 p.m.
Some new results on the solution of Disspative 2D QuasiGeostrophyc Equations.
Ning Ju*, Oklahoma State University
(9973513) 
3:30 p.m.
Location of the Blowup Point of Degenerate Semilinear Parabolic Problems.
Wai Yuen Chan*, Southeast Missouri State University
(9973567) 
4:00 p.m.
The Leading Order of Solutions of InitialValue Problems for Some Nonlinear Dispersive Wave Equations with Dissipation.
Laihan Luo*, Richard Stockton College of New Jersey
(99735173)

2:30 p.m.

Saturday April 17, 2004, 2:30 p.m.5:25 p.m.
Special Session on Automorphic Forms and Analytic Number Theory, II
Room 201, Science and Technology Center
Organizers:
Stephen Miller, Rutgers University miller@math.rutgers.edu
Ramin TaklooBighash, Princeton University rtakloo@math.princeton.edu

2:30 p.m.
The existence of Bessel functionals.
Ramin TaklooBighash*, Princeton University
(99711192) 
3:00 p.m.
The Symmetry Type of the Maass Twist of the Symmetric Square Family.
Eduardo Due\~nez*, The Johns Hopkins University
Steven J. Miller, The Ohio State University
(99711146) 
3:30 p.m.
Improved Weil and Tate pairings for elliptic and hyperelliptic curves.
Kirsten Eisentraeger*, Institute for Advanced Study
Kristin Lauter, Microsoft Research
Peter L Montgomery, Microsoft Research
(99711113) 
4:00 p.m.
Counting 3torsion in class groups and elliptic curves.
A Venkatesh*, MIT
(99711117) 
4:30 p.m.
Geodesic cycles on modular curves and special values of Rankin Lseries.
Alexandru Popa*, Princeton University
(99711254) 
5:00 p.m.
The orthogonality of Hecke eigenvalues.
Xiaoqing Li*, Rutgers University
Henryk Iwaniec., Rutgers University
(99711161) 
5:15 p.m.
Meromorphic continuation of Eisenstein series via the SelbergBernstein method.
Feryal Alayont*, University of Arizona
(9971112)

2:30 p.m.

Saturday April 17, 2004, 2:30 p.m.4:50 p.m.
Special Session on Tomography and Integral Geometry, II
Room 208, Science and Technology Center
Organizers:
Andrew Markoe, Rider University markoe@rider.edu
Eric Todd Quinto, Tufts University todd.quinto@tufts.edu

2:30 p.m.
The ray transform and inverse problems for elastic media.
Lizabeth V Rachele*, University at Albany, SUNY
(99735145) 
3:00 p.m.
Radon transforms, the Heisenberg group, and discrete analogues.
Elias M. Stein*, Princeton University
(99726107) 
3:30 p.m.
Novikov's formula for the attenuated Radon transform  a new approach.
Jan Boman*, Stockholm University
JanOlov Stromberg, KTH, Stockholm
(99744110) 
4:00 p.m.
Theory of valuations and integral geometry.
Semyon Alesker*, Tel Aviv University
(9975259) 
4:30 p.m.
Reconstruction on spheres.
Mark L. Agranovsky*, BarIlan University
(99745140)

2:30 p.m.

Saturday April 17, 2004, 2:30 p.m.5:20 p.m.
Special Session on Homotopy Theory (in Honor of William Browder's 70th Birthday), II
Room 304, Memorial Hall
Organizers:
Martin Bendersky, Hunter College mbenders@math.hunter.cuny.edu
Donald Davis, Lehigh University dmd1@lehigh.edu

2:30 p.m.
A modular description of the $K(2)$local sphere at the prime 3.
Mark J Behrens*, MIT
(9975587) 
3:00 p.m.
Representations of Spaces.
Wojciech Chacholski*, Royal Institute of Technology
J. Scherer, Universitat Autònoma de Barcelona
(99755148) 
3:30 p.m.
Selfmaps of loop spaces.
F. R. Cohen*, University of Rochester
(99755266) 
4:00 p.m.
Heinz Hopf in Princeton.
John McCleary*, Vassar College
(99701238) 
4:30 p.m.
Extending Browder's work on Hspaces.
James P Lin*, University of California at San Diego
(9975583) 
5:00 p.m.
A review of progress on the Kervaire Invariant problem after Browder's theorem.
Mark Mahowald*, Northwestern University
(9975576)

2:30 p.m.

Saturday April 17, 2004, 2:30 p.m.5:20 p.m.
Special Session on Algebraic Geometry and Mirror Symmetry, II
Room 203, Memorial Hall
Organizers:
Ciprian Borcea, Rider University borcea@enigma.rider.edu

2:30 p.m.
On the moduli of certain Fano fourfolds.
Walter L. Baily*, University of Chicago
(99714152) 
3:00 p.m.
Crepant Resolutions of CalabiYau Orbifolds.
Anda Degeratu*, MSRI/Duke University
(99753210) 
3:30 p.m.
Orbifold Chow rings of toric DeligneMumford stacks.
Lev Borisov, University of Wisconsin
Linda Chen*, Columbia University
Gregory Smith, Barnard College, Columbia University
(99714194) 
4:00 p.m.
Hochschild homology of algebraic varieties and an extended TQFT.
Andrei Caldararu*, University of Pennsylvania
(99714202) 
4:30 p.m.
Discussion 
5:00 p.m.
Tangents to quadrics and nested CalabiYau varieties.
Ciprian S. Borcea*, Rider University
(99714150)

2:30 p.m.

Saturday April 17, 2004, 2:30 p.m.4:50 p.m.
Special Session on Geometry of Protein Modelling, II
Room 102, Science and Technology Center
Organizers:
Ileana Streinu, Smith College streinu@cs.smith.edu
Jack Snoeyink, University of North Carolina at Chapel Hill snoeyink@cs.unc.edu

2:30 p.m.
Are there Graphical Solutions to Protein structure Prediction Bottlenecks?
John Moult*, CARB
(99792217) 
3:00 p.m.
Extreme Elevation on a 2Manifold.
Pankaj K Agarwal*, Duke University
(99751214) 
3:30 p.m.
Functional annotation by identification of protein local surface similarities: a novel tool for structural genomics.
Fabrizio Ferre*, Boston College
(99792242) 
4:00 p.m.
Algorithms for Curvature Quantification using Least Sum of Squares Fitting of Spheres.
Michael A. Burr, Tufts University
Alan C. Cheng, Pfizer Discovery Technology Center
Ryan G. Coleman*, Tufts University/Pfizer DTC
Diane L. Souvaine, Tufts University
(99768129) 
4:30 p.m.
Computational Methods Towards Predicting Aspects of Protein Structure and Interactions.
Mona Singh*, Princeton University
(99792178)

2:30 p.m.

Saturday April 17, 2004, 2:30 p.m.5:20 p.m.
Special Session on Strings and Branes, II
Room 317, Memorial Hall
Organizers:
Thomas P. Branson, University of Iowa branson@eva.math.uiowa.edu
S. James Gates, University of Maryland gatess@umd.edu

2:30 p.m.
Conformally compact Einstein manifolds and renormalized volume.
Alice Chang, Princeton University
Jie Qing*, UC Santa Cruz
Paul Yang, Princeton University
(99753187) 
3:05 p.m.
Conformally invariant Maxwell type operators on forms and global conformal invariants.
A Rod Gover*, University of Auckland
(99758103) 
3:40 p.m.
Recent progress on the study of the BCOV torsion.
Hao Fang*, Courant Institute of Mathematical Sciences, New York University
(99753205) 
4:15 p.m.
MaxwellBornInfeld fields with point defects.
Michael K.H. Kiessling*, Rutgers University
(99783243) 
4:50 p.m.
Morse Theory for the Hsurface equation.
Sagun Chanillo*, Rutgers Univ., New Brunswick, NJ
Andrea Malchiodi, SISSA, Trieste, Italy.
(9975898)

2:30 p.m.

Saturday April 17, 2004, 2:30 p.m.4:50 p.m.
Special Session on Homotopical Physics, II
Room 303, Memorial Hall
Organizers:
James Stasheff, University of North Carolina jds@math.unc.edu
Thomas J. Lada, North Carolina State University lada@math.ncsu.edu
Alexander A. Voronov, University of Minnesota voronov@math.umn.edu

2:30 p.m.
A canonical semiclassical starproduct.
Lucian Miti Ionescu*, Illinois State University
(99781227) 
3:00 p.m.
Examples of finite dimensional $L_{\infty}$ algebras in gauge theory.
Tom Lada, North Carolina State University
Marilyn Daily*, North Carolina State University
(99718186) 
3:30 p.m.
Examples of Miniversal Deformations of Infinity Algebras.
Michael R Penkava*, University of WisconsinEau Claire
(99718271) 
4:00 p.m.
String topology for transversal families.
Uwe Kaiser*, Boise State University
(9975790) 
4:30 p.m.
Some examples of homotopy BatalinVilkovisky algebras.
Fusun Akman*, Coastal Carolina University
(99718225)

2:30 p.m.

Saturday April 17, 2004, 2:30 p.m.4:50 p.m.
Special Session on Elliptic Surfaces and Elliptic Fibrations, II
Room 201, Memorial Hall
Organizers:
William L. Hoyt, Rutgers University hoyt@rci.rutgers.edu
Joseph H. Silverman, Brown University jhs@math.brown.edu
Charles F. Schwartz, Rider University schwartz@rider.edu

2:30 p.m.
Ftheory/Heterotic duality for Lattice Polarized Elliptic K3 Surfaces with Section.
Charles Doran*, Columbia University
Adrian Clingher, Stanford University
(99714167) 
3:00 p.m.
MordellWeil Ranks of Cyclic Covers of Rational Elliptic Surfaces.
Lisa Fastenberg*, Pace University
(99711188) 
3:30 p.m.
Selmer groups of elliptic curves over towers of function fields.
Jordan S Ellenberg*, Princeton University
(9971470) 
4:00 p.m.
Pullbacks and Drinfeld Modular Curves.
Christopher J Hall*, Princeton University
(99711128) 
4:30 p.m.
Integral points on elliptic curves and 3torsion in class groups.
Harald Andres Helfgott*, Yale
(9971180)

2:30 p.m.

Saturday April 17, 2004, 7:00 p.m.8:00 p.m.
Concert in Celebration of William Browder's 70th Birthday
All participants are invited to this free concert featuring performances by Risa Browder and John Moran. Banquet following for ticketholders.
Taplin Room, Fine Hall, Princeton University Campus
Sunday April 18, 2004

Sunday April 18, 2004, 7:30 a.m.12:00 p.m.
Meeting Registration
Calvalla Room, Bart Luedeke (Student) Center 
Sunday April 18, 2004, 7:30 a.m.12:00 p.m.
Exhibit and Book Sale
Calvalla Room, Bart Luedeke (Student) Center 
Sunday April 18, 2004, 8:00 a.m.10:55 a.m.
Special Session on CR Geometry and Singularities, III
Room 218, Memorial Hall
Organizers:
Joseph J. Kohn, Princeton University kohn@math.princeton.edu
John P. D'Angelo, University of Illinois jpda@math.uiuc.edu
Xiaojun Huang, Rutgers University
Andreea Nicoara, Harvard University

8:00 a.m.
Fefferman's surface area and holomorphic sublevel sets.
David E Barrett*, University of Michigan
(99732195) 
8:45 a.m.
Cusptype singularities of real analytic curves in the complex plane.
Patrick Ahern, University of Wisconsin
Xianghong Gong*, University of Wisconsin
(9973239) 
9:30 a.m.
Global invariants for strongly pseudoconvex varieties with isolated sigularities: Bergman functions.
Stephen S.T. Yau*, University of Illinois at Chicago
(9973232) 
10:15 a.m.
CR singularities of real $3$manifolds in ${\mathbb{C}}^4$.
Adam Coffman*, Indiana University  Purdue University Fort Wayne
(9973236)

8:00 a.m.

Sunday April 18, 2004, 8:00 a.m.10:50 a.m.
Special Session on Commutative Algebra and Algebraic Geometry, III
Room 210, Memorial Hall
Organizers:
Alberto Corso, University of Kentucky corso@ms.uky.edu
Claudia Polini, University of Notre Dame cpolini@nd.edu
Wolmer V. Vasconcelos, Rutgers University vasconce@math.rutgers.edu

8:00 a.m.
Asymptotic limits of local cohomology modules.
S D Cutkosky, University of Missouri
T Ha, University of Missouri
H Srinivasan*, University of Missouri
E Theodorescu, University of Missouri
(99713184) 
8:30 a.m.
Asymptotic behavior of length of local cohomology.
S Dale Cutkosky*, Univ. Missouri
Tai Ha, Univ. Missouri
Hema Srinivasan, Univ. Missouri
Emanoil Theodorescu, Univ. Missouri
(99713143) 
9:00 a.m.
Applications of the purity of nonstandard Frobenius.
Hans Schoutens*, CUNYNYC College of Technology
(9971452) 
9:30 a.m.
A tight closure analogue of analytic spread.
Neil M. Epstein*, University of Kansas
(9971358) 
10:00 a.m.
Almost Gorenstein rings.
Craig Huneke, University of Kansas
Adela Vraciu*, University of South Carolina
(9971384) 
10:30 a.m.
Toralgebra operations and linkage.
Andreea N. Brezaie, University of South Carolina
Carrie E. Finch, University of South Carolina
Sara M Gabrielli, University of South Carolina
Andrew R. Kustin*, University of South Carolina
Derek J. Owens, University of South Carolina
Frank A. Sanacory, University of South Carolina
William H Streyer, University of South Carolina
Adela Vraciu, University of South Carolina
Brooks D Willet, University of South Carolina
(99713196)

8:00 a.m.

Sunday April 18, 2004, 8:00 a.m.10:50 a.m.
Special Session on Homotopy Theory (in Honor of William Browder's 70th Birthday), III
Room 304, Memorial Hall
Organizers:
Martin Bendersky, Hunter College mbenders@math.hunter.cuny.edu
Donald Davis, Lehigh University dmd1@lehigh.edu

8:00 a.m.
Homology and Cohomology of Einfinity Ring Spectra.
Maria Basterra*, University of New Hampshire
Michael A Mandell, University of Chicago
(99755179) 
8:30 a.m.
Mapping spaces and homology isomorphisms.
Nicholas J. Kuhn*, University of Virginia
(9975515) 
9:00 a.m.
Familial homology theories based on the subgroups of the unitary group.
Greg Arone, University of Virginia
Kathryn Lesh*, Union College
(99755231) 
9:30 a.m.
A spectral sequence for the first layer of the Taylor tower of a $\Gamma$module.
Michele Intermont, Kalamazoo College
Brenda Johnson*, Union College
Randy McCarthy, University of Illinois at UrbanaChampaign
(99755236) 
10:00 a.m.
An unstable Adams spectral sequence derived from the Goodwillie tower of the identity functor.
Kristine Baxter Bauer, University of Calgary
Brenda Johnson, Union College
Jack Morava*, Johns Hopkins University
(9975593) 
10:30 a.m.
Finite type knot invariants and calculus of functors.
Ismar Volic*, University of Virginia
(9975516)

8:00 a.m.

Sunday April 18, 2004, 8:30 a.m.11:00 a.m.
Special Session on Variational Methods in Classical Mechanics
Room 219, Memorial Hall
Organizers:
John N. Mather, Princeton University jnm@math.princeton.edu
Vadim Y. Kaloshin, Institute for Advanced Study kaloshin@caltech.edu

8:30 a.m.
Topologically monotone periodic orbits for surface homeomorphisms.
Kamlesh Parwani*, Northwestern University
(99737270) 
9:25 a.m.
Regularity of transport coefficients for Lorenz gas.
Dmitry Dolgopyat*, University of Maryland
(99737155) 
10:20 a.m.
Instability of totally elliptic points of 4dimensional symplectic maps.
Vadim Y. Kaloshin*, Caltech, AIM, IAS
(99737272)

8:30 a.m.

Sunday April 18, 2004, 8:30 a.m.10:50 a.m.
Special Session on Automorphic Forms and Analytic Number Theory, III
Room 201, Science and Technology Center
Organizers:
Stephen Miller, Rutgers University miller@math.rutgers.edu
Ramin TaklooBighash, Princeton University rtakloo@math.princeton.edu

8:30 a.m.
On the cubic moment of quadratic Dirichlet $L$functions.
Qiao Zhang*, The Johns Hopkins University
(99711160) 
9:00 a.m.
Summation formulas and moments of the Riemann zeta function.
Jennifer Beineke*, Western New England College
Daniel Bump, Stanford University
(99711144) 
9:30 a.m.
Cubic twists of $GL(2)$ automorphic $L$functions.
Ben Brubaker, Stanford University
Solomon Friedberg*, Boston College
Jeffrey Hoffstein, Brown University
(9971148) 
10:00 a.m.
Cancellation in additivelytwisted sums of Hecke eigenvalues.
Stephen David Miller*, Rutgers University
(9971134) 
10:30 a.m.
Integral moments of GL(2) Lfunctions.
Dorian Goldfeld*, Columbia University
Adrian Diadonu, Columbia University
(9971185)

8:30 a.m.

Sunday April 18, 2004, 8:30 a.m.10:50 a.m.
Special Session on Tomography and Integral Geometry, III
Room 208, Science and Technology Center
Organizers:
Andrew Markoe, Rider University markoe@rider.edu
Eric Todd Quinto, Tufts University todd.quinto@tufts.edu

8:30 a.m.
Groups, wavelets, and harmonic analysis on $R^n$.
Gestur Olafsson*, Louisiana State University
(99742122) 
9:00 a.m.
The Radon transform and PDE.
Leon Ehrenpreis*, Temple University
(99744101) 
9:30 a.m.
Radon transforms on Isotropic Planes.
Eric L. Grinberg*, University of New Hampshire
(99744164) 
10:00 a.m.
Moment Conditions and Support Theorems for Radon Transforms on Affine Grassmannians.
Fulton B Gonzalez*, Tufts University
Tomoyuki Kakehi, University of Tsukuba
(9974469) 
10:30 a.m.
Mean Value Extension Theorems and Microlocal Analysis.
Eric Todd Quinto*, Tufts University
(9974421)

8:30 a.m.

Sunday April 18, 2004, 8:30 a.m.10:50 a.m.
Special Session on Geometry of Protein Modelling, III
Room 102, Science and Technology Center
Organizers:
Ileana Streinu, Smith College streinu@cs.smith.edu
Jack Snoeyink, University of North Carolina at Chapel Hill snoeyink@cs.unc.edu

8:30 a.m.
Reconstructing evasive protein states using NMR and molecular modeling: the Focal Adhesion Kinase story.
Nikolay V Dokholyan*, University of North Carolina at Chapel Hill
Richard Dixon, University of North Carolina at Chapel Hill
Yiwen Chen, University of North Carolina at Chapel Hill
Feng Ding, University of North Carolina at Chapel Hill
Sagar D Khare, University of North Carolina at Chapel Hill
Kirk Prutzman, University of North Carolina at Chapel Hill
Michelle King, University of North Carolina at Chapel Hill
Michael D Schaller, University of North Carolina at Chapel Hill
Sharon Campbell, University of North Carolina at Chapel Hill
(99792115) 
9:00 a.m.
Bayesian Restraint Potentials for Consistent Inference of Biomolecular Structure from NMR Data.
Jeffrey C. Hoch*, University of Connecticut Health Center
Alan S. Stern, Rowland Institute at Harvard
(9979274) 
9:30 a.m.
Protein Geometry and its Role in Structural Molecular Biology and Proteomics.
Bruce R. Donald*, Dartmouth College
(99751112) 
10:00 a.m.
Some Geometric Problems in NMR Structural Biology: Using Residual Dipolar Couplings to Identify ProteinProtein Interfaces and for Resonance Assignments.
Ramgopal R. Mettu*, Dartmouth College
(99751135) 
10:30 a.m.
An Atomistic Model of Emergent Protein Homochirality.
Vikas Nanda*, University of Pennsylvania School of Medicine
William F DeGrado, University of Pennsylvania School of Medicine
(99792201)

8:30 a.m.

Sunday April 18, 2004, 8:30 a.m.11:00 a.m.
Special Session on Strings and Branes, III
Room 317, Memorial Hall
Organizers:
Thomas P. Branson, University of Iowa branson@eva.math.uiowa.edu
S. James Gates, University of Maryland gatess@umd.edu

8:30 a.m.
A construction of critical {\sf GJMS} operators using Wodzicki's residue.
William J. Ugalde*, Purdue University
(99753172) 
9:10 a.m.
Invertible functions on noncommutative twotori and holomorphic structures.
Alexander Polishchuk*, University of Oregon
(9975894) 
9:50 a.m.
Geometry of the lifts of orientifold sixplanes from type IIA string theory to Mtheory.
Amy E Ksir*, United States Naval Academy
Stephen G Naculich, Bowdoin College
(99781228) 
10:30 a.m.
CalabiYau Orientifolds: Gepner Crosscaps, Charges, and Moduli.
Brandon Bates, Columbia University
Charles Doran*, Columbia University
Lennaert Huiszoon, I.T.F., K.U.Leuven
Koenraad Schalm, I.S.C.A.P., Columbia
(99714168)

8:30 a.m.

Sunday April 18, 2004, 8:30 a.m.10:50 a.m.
Special Session on Homotopical Physics, III
Room 303, Memorial Hall
Organizers:
James Stasheff, University of North Carolina jds@math.unc.edu
Thomas J. Lada, North Carolina State University lada@math.ncsu.edu
Alexander A. Voronov, University of Minnesota voronov@math.umn.edu

8:30 a.m.
The Ainfinity operad and the moduli space of curves.
Kevin Costello*, Imperial College, London
(9975177) 
9:00 a.m.
Operations in the algebraic topology of openclosed string theory.
Eric Neal Harrelson*, University of Minnesota
(99755221) 
9:30 a.m.
Homotopy algebraic structures in classical openclosed strings.
Hiroshige Kajiura*, Yukawa Institute for Theoretical Physics, Kyoto University
J Stasheff, University of Pennsylvania
(99718133) 
10:00 a.m.
Arcs, strings and homotopy algebras.
Ralph M Kaufmann*, Oklahoma State University
(99755181) 
10:30 a.m.
Gauge groups and string topology.
Paolo Salvatore*, University of Rome 2
(99755229)

8:30 a.m.

Sunday April 18, 2004, 8:30 a.m.10:45 a.m.
Special Session on Elliptic Surfaces and Elliptic Fibrations, III
Room 201, Memorial Hall
Organizers:
William L. Hoyt, Rutgers University hoyt@rci.rutgers.edu
Joseph H. Silverman, Brown University jhs@math.brown.edu
Charles F. Schwartz, Rider University schwartz@rider.edu

8:00 a.m.
Algebraic Geometry, Object Recognition, and Computer Vision.
Peter Stiller*, Institute for Scientific Computation, Texas A&M University
(99714274) 
8:30 a.m.
Vectorvalued modular forms associated to Jacobilike forms.
Min Ho Lee*, University of Northern Iowa
(9971155) 
9:00 a.m.
The density of elliptic curves having a global minimal Weierstrass equation.
E Bekyel*, Sabanci University, Turkey
(99711109) 
9:30 a.m.
Twentyeight bitangents of a plane quartic curve, decomposition of its Jacobian and the theory of MordellWeil lattices.
Masato Kuwata*, Department of Economics, Chuo University
(99714166) 
10:00 a.m.
Elliptic Surfaces and DavenportStothers Triples.
Tetsuji Shioda*, Rikkyo University, Tokyo,Japan
(9971473)

8:00 a.m.

Sunday April 18, 2004, 8:40 a.m.11:00 a.m.
Special Session on Convergence of Riemannian Manifolds, III
Room 321, Memorial Hall
Organizers:
Christina Sormani, Herbert H. Lehman College (CUNY) sormani@comet.lehman.cuny.edu
Xiaochun Rong, Rutgers State University
Guofang Wei, University of California Santa Barbara

8:40 a.m.
Discussion 
9:30 a.m.
The curvature tensor and the convergence of metrics under the Ricci flow.
Natasa Sesum*, MIT
(99753124) 
10:20 a.m.
Deforming mappings by geometric flows.
MuTao Wang*, Columbia University
(99753114)

8:40 a.m.

Sunday April 18, 2004, 9:00 a.m.10:50 a.m.
Special Session on Analytic Convex Geometry, III
Room 302, Memorial Hall
Organizers:
Alina Stancu, Polytechnic University astancu@poly.edu
Elisabeth Werner, Case Western Reserve University emw2@po.cwru.edu

9:00 a.m.
The randomized integer convex hull.
Imre Barany*, Microsoft Research
(9975254) 
9:30 a.m.
Smallest singular value of a random matrix.
Alexandr Litvak, University of Alberta
Alain Pajor, Universite de MarnelaValee
Mark Rudelson*, University of Missouri
Nicole TomczakJaegermann, University of Alberta
(99752139) 
10:00 a.m.
Geometry of random polytopes.
Alexander Litvak*, University of Alberta
Alain Pajor, Universit\'e de MarnelaVallee
Mark Rudelson, University of Missouri
Nicole TomczakJaegermann, University of Alberta
(99752120) 
10:30 a.m.
On the Distribution of the Number of Vertices of a Random Polygon.
Christian Buchta*, Salzburg University
(99752177)

9:00 a.m.

Sunday April 18, 2004, 9:00 a.m.10:50 a.m.
Special Session on Group Cohomology and Related Topics (in Honor of William Browder's 70th Birthday), III
Room 301, Memorial Hall
Organizers:
Alejandro Adem, University of Wisconsin adem@math.wisc.edu
Jonathan Pakianathan, University of Rochester jonpak@math.rochester.edu

9:00 a.m.
Weighted $L^2$ cohomology of Coxeter groups.
Michael W. Davis*, The Ohio State University
Jan Dymara, Instytut Matematycczny
Tadeusz Januszkiewicz, The Ohio State University
Boris Okun, University of Wisconsin  Milwaukee
(9972031) 
9:30 a.m.
Stability of surface mapping spaces and the homology of mapping class groups.
Ralph L Cohen*, Stanford University
(9975530) 
10:00 a.m.
Components of a Variety of Matrices and Free Actions of Elementary Abelian 2Groups on a Product of Spheres.
Dikran B. Karagueuzian*, SUNY Binghamton
(99757193) 
10:30 a.m.
Equivariant Gysin maps and pulling back fixed points.
Bernhard A Hanke*, University of Munich
Volker Puppe, University of Constance
(9975572)

9:00 a.m.

Sunday April 18, 2004, 9:00 a.m.10:50 a.m.
Special Session on Surgery (in Honor of William Browder's 70th Birthday), II
Room 306, Memorial Hall
Organizers:
Frank S. Quinn, Virginia Polytechnic Institute & State University quinn@math.vt.edu

9:00 a.m.
Smoothing loop spaces.
Tilman Bauer, M\"unster University
Nitu Kitchloo, Johns Hopkins University
Dietrich Notbohm, Leicester University
Erik Kja$\!$er Pedersen*, Binghamton University
(99757123) 
9:30 a.m.
Surgery on topological 4manifolds?
Frank Quinn*, Virginia Tech
(9975788) 
10:00 a.m.
A topological constraint on the Ricci flow.
F. T. Farrell*, Binghamton University
P. Ontaneda, UFPE
(9975328) 
10:30 a.m.
New Topological Methods in Study of Biological Intelligence.
Amir H Assadi*, University of WisconsinMadison
(9979208)

9:00 a.m.

Sunday April 18, 2004, 11:10 a.m.12:00 p.m.
Invited Address
Vortices in the GinzburgLandau model of superconductivity.
Theater, Bart Luedeke (Student) Center
Sylvia Serfaty*, New York UniversityCourant Institute
(9973503) 
Sunday April 18, 2004, 1:30 p.m.2:20 p.m.
Invited Address
Problems in topology left over from the twentieth century.
Theater, Bart Luedeke (Student) Center
William Browder*, Princeton University 
Sunday April 18, 2004, 2:30 p.m.5:25 p.m.
Special Session on CR Geometry and Singularities, IV
Room 218, Memorial Hall
Organizers:
Joseph J. Kohn, Princeton University kohn@math.princeton.edu
John P. D'Angelo, University of Illinois jpda@math.uiuc.edu
Xiaojun Huang, Rutgers University
Andreea Nicoara, Harvard University

2:30 p.m.
Interpolation and Sampling for divisors in ${\mathbb C}^n$.
Dror Varolin*, UIUC
(99732220) 
3:15 p.m.
Whitney and Mizohata Structures.
Howard Jacobowitz*, Rutgers University
(99758111) 
4:00 p.m.
Global problems in CauchyRiemann theory.
Roman Dwilewicz*, University of Missouri
(99732104) 
4:45 p.m.
Noncommutative geometric techniques in CR geometry.
Raphael S Ponge*, Ohio State University
(99758240)

2:30 p.m.

Sunday April 18, 2004, 2:30 p.m.5:40 p.m.
Special Session on Convergence of Riemannian Manifolds, IV
Room 321, Memorial Hall
Organizers:
Christina Sormani, Herbert H. Lehman College (CUNY) sormani@comet.lehman.cuny.edu
Xiaochun Rong, Rutgers State University
Guofang Wei, University of California Santa Barbara

2:30 p.m.
Rigidity of 5manifolds of pinched positive sectional curvature.
Fuquan Fang*, Nankai Institute of Mathemactis, Nankai University, China
(9975360) 
3:20 p.m.
Negative pinching and nilpotent groups.
Igor Belegradek*, Georgia Tech
Vilali Kapovitch, University of California Santa Barbara
(9975397) 
4:10 p.m.
Classification of negatively pinched manifolds with almost nilpotent fundamental groups.
Vitali Kapovitch*, University of California at Santa Barbara
Igor Belegradek, Georgia Institute of Technology,
(9975307) 
5:00 p.m.
Discussion of Pinching

2:30 p.m.

Sunday April 18, 2004, 2:30 p.m.4:50 p.m.
Special Session on Analytic Convex Geometry, IV
Room 302, Memorial Hall
Organizers:
Alina Stancu, Polytechnic University astancu@poly.edu
Elisabeth Werner, Case Western Reserve University emw2@po.cwru.edu

2:30 p.m.
An integral geometric approach to strip discrepancy estimates.
Allen D. Rogers*, Elmhurst Collge
(9975286) 
3:00 p.m.
Convex bodies and harmonic analysis.
Eric L Grinberg*, University of New Hampshire
(99752209) 
3:30 p.m.
Geometry of unit spheres in normed spaces.
Juan Carlos Alvarez Paiva*, Polytechnic University
(9975279) 
4:00 p.m.
Intersection bodies and chordal symmetrals.
Monika Ludwig*, TU Wien
(99752216) 
4:30 p.m.
Isometry invariant valuations on hyperbolic space.
Dan Klain*, UMass Lowell
(99752156)

2:30 p.m.

Sunday April 18, 2004, 2:30 p.m.5:20 p.m.
Special Session on Automorphic Forms and Analytic Number Theory, IV
Room 201, Science and Technology Center
Organizers:
Stephen Miller, Rutgers University miller@math.rutgers.edu
Ramin TaklooBighash, Princeton University rtakloo@math.princeton.edu

2:30 p.m.
Quantum ergodicity on ${\mathrm SL}(2,Z{\mathrm SL}(2,R)$.
Florin Spinu*, Johns Hopkins
(99711252) 
3:00 p.m.
On the exponents of the mod p reductions of an elliptic curve.
William Duke*, UCLA
(99711247) 
3:30 p.m.
An efficient characterization of prime numbers.
Manindra Agrawal*, IAS
(99711250) 
4:00 p.m.
On Quantum Unique Ergodicity for Locally Symmetric Spaces.
Lior Silberman*, Princeton University
Akshay Venkatesh, MIT
(99711212) 
4:30 p.m.
On Li's coefficients for automorphic $L$functions.
Jeffrey C Lagarias*, AT\&T LabsResearch
(9971143) 
5:00 p.m.
Mean values of biquadratic zeta functions.
Gautam Chinta*, Brown
(99711255)

2:30 p.m.

Sunday April 18, 2004, 2:30 p.m.4:50 p.m.
Special Session on Homotopy Theory (in Honor of William Browder's 70th Birthday), IV
Room 304, Memorial Hall
Organizers:
Martin Bendersky, Hunter College mbenders@math.hunter.cuny.edu
Donald Davis, Lehigh University dmd1@lehigh.edu

2:30 p.m.
Noncommutative cohomology.
J. Michael Boardman*, Johns Hopkins University
(9975562) 
3:00 p.m.
An Introduction to real JohnsonWilson spectra.
Nitu Kitchloo, Johns Hopkins University
W Stephen Wilson*, Johns Hopkins University
(9975527) 
3:30 p.m.
Steenrod Operations and the Cohomology of Hopf Algebra Extensions.
William M. Singer*, Fordham University
(9975599) 
4:00 p.m.
The number of summands in $v_{1}$periodic homotopy groups of $SU(n)$.
Katarzyna Potocka*, Lehigh University
(9975553) 
4:30 p.m.
The BousfieldKan spectral sequence for Morava Ktheory.
Jos\'e La Luz*, The Graduate Center, City University of New York
(9975538)

2:30 p.m.

Sunday April 18, 2004, 2:30 p.m.4:50 p.m.
Special Session on Geometry of Protein Modelling, IV
Room 102, Science and Technology Center
Organizers:
Ileana Streinu, Smith College streinu@cs.smith.edu
Jack Snoeyink, University of North Carolina at Chapel Hill snoeyink@cs.unc.edu

2:30 p.m.
Computational Proteomics.
Mark Gerstein*, Yale University
(99792230) 
3:00 p.m.
Protein Evolution within a Structural Space.
Eric J Deeds*, Department of Molecular and Cellular Biology, Harvard University
Nikolay V Dokholyan, Department of Biochemistry and Biophysics, University of North Carolina School of Medicine
Eugene I Shakhnocich, Department of Chemistry and Chemical Biology, Harvard University
(99792224) 
3:30 p.m.
Using Motion Planning to Approximate Protein Folding Landscapes.
Nancy M. Amato*, Texas A&M University
(99792208) 
4:00 p.m.
Global Search in Highdimensional Conformation Spaces.
Oliver Brock*, Univeristy of Massachusetts Amherst
TJ Brunette, University of Massachusettes Amherst
(99792190) 
4:30 p.m.
Atomic Details of DNA Polymerase $\beta$ Conformational Transition Pathway Revealed by Novel Simulation Methods.
Karunesh Arora*, New York University
Tamar Schlick, Department of Chemistry and Courant Institute of Mathematical Sciences
(99792134)

2:30 p.m.

Sunday April 18, 2004, 2:30 p.m.5:20 p.m.
Special Session on Homotopical Physics, IV
Room 303, Memorial Hall
Organizers:
James Stasheff, University of North Carolina jds@math.unc.edu
Thomas J. Lada, North Carolina State University lada@math.ncsu.edu
Alexander A. Voronov, University of Minnesota voronov@math.umn.edu

2:30 p.m.
A chainlevel version of string topology.
James E. McClure*, Purdue University
Jeffrey H. Smith, Purdue University
(99755131) 
3:00 p.m.
A Morse theoretic approach to string topology.
Ralph L Cohen*, Stanford University
(9975764) 
3:30 p.m.
Rational curves, sigma models and string topology.
Sadok Kallel*, University of Lille
(99755222) 
4:00 p.m.
Algebraic structures on generalized strings and applications.
Vladimir V. Chernov*, Dartmouth College
Yuli B Rudyak, University of Florida
(9975749) 
4:30 p.m.
Graphs in String Topology.
Veronique Godin*, Stanford University
(99755183) 
5:00 p.m.
Algebraic structures and string topology.
Dennis Sullivan*, SUNY at StonyBrook & Graduate Center of CUNY
(99722239)

2:30 p.m.

Sunday April 18, 2004, 2:30 p.m.3:20 p.m.
Special Session on Elliptic Surfaces and Elliptic Fibrations, IV
Room 201, Memorial Hall
Organizers:
William L. Hoyt, Rutgers University hoyt@rci.rutgers.edu
Joseph H. Silverman, Brown University jhs@math.brown.edu
Charles F. Schwartz, Rider University schwartz@rider.edu

2:30 p.m.
The effect of zeros of elliptic curve Lfunctions at the central point on nearby zeros.
Steven J Miller*, The Ohio State University
Eduardo Duenez, Johns Hopkins University
Aaron Lint, The Ohio State University
(99711136) 
3:00 p.m.
Moments of the rank of elliptic curves.
Siman Wong*, University of Massachusetts Amherst
(99711105)

2:30 p.m.