AMS Sectional Meeting Program by Day
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2001 Fall Eastern Section Meeting
Williamstown, MA, October 1314, 2001
Meeting #971
Associate secretaries:
Lesley M Sibner, AMS
lsibner@duke.poly.edu
Sunday October 14, 2001

Sunday October 14, 2001, 7:30 a.m.12:00 p.m.
Exhibit and Book Sale
Science Court, Bronfman Science Center

Sunday October 14, 2001, 7:30 a.m.12:00 p.m.
Meeting Registration
Science Court, Bronfman Science Center

Sunday October 14, 2001, 8:00 a.m.10:50 a.m.
Special Session on Ergodic Theory, III
Room 105, Bronfman Science Center
Organizers:
Cesar Silva, Williams College csilva@williams.edu

8:00 a.m.
Ergodicity of monomial maps at padic spheres.
Andrei Yurievich Khrennikov*, Vaxjo University
(97137214)

8:30 a.m.
Ergodicity results for queuing systems.
Patricia Giurgescu*, Pace University
(97160169)

9:00 a.m.
Sequences of integers associated to infinite measure preserving transformations.
Stanley Eigen*, Northeastern University
(97137107)

9:30 a.m.
Rank one $\mathbb Z^d$ actions with singular spectral type.
Karin B Reinhold*, University at Albany, SUNY
Darlene Olsen, University at Albany, SUNY
(97137195)

10:00 a.m.
On Restricted Weak Type (1,1); The Discrete Case.
Roger L Jones*, DePaul University
Mustafa Akcoglu, University of Toronto
John Baxter, University of Minneapolis
Alexandra Bellow, Northwestern University
(9714246)

10:30 a.m.
Volume preserving homeomorphisms of the Hilbert cube.
Vidhu S Prasad*, University of Massachusetts Lowell
(97137198)

Sunday October 14, 2001, 8:15 a.m.10:50 p.m.
Special Session on Geometry and Topology of the Universe, III
Room 123 (Wege Auditorium), Thompson Chemistry Lab
Organizers:
Colin C. Adams, Williams College Colin.Adams@williams.edu
Glenn Starkmann, Case Western Reserve University starkman@theory5.PHYS.CWRU.Edu
Jeffrey R. Weeks, Canton, New York weeks@northnet.org

8:15 a.m.
Quest for a selftuning braneworld solution to the cosmological constant problem.
James M Cline*, McGill University
(97183116)

8:35 a.m.
Inflationary Models  Basic Theory, Observational Implications and Tests.
Marek Demianski*, Warsaw University
(97185152)

8:55 a.m.
Cosmic Crystallographic Methods vs. Observational Uncertainties.
JeanPierre Luminet*, Paris Observatory
(9718352)

9:15 a.m.
Measuring Statistical isotropy of the Cosmic Microwave background.
Tarun Souradeep*, I.U.C.A.A.
(97185138)

9:35 a.m.
Implementing the matched circle search with MAP data.
Neil J Cornish*, Montana State University
(97151171)

9:55 a.m.
Compact Hyperbolic Manifolds as Extra Spatial Dimensions.
Mark Trodden*, Syracuse University
(9718382)

10:15 a.m.
Cosmology of Compact Hyperbolic Extra Dimensions.
Glenn D. Starkman*, Case Western Reserve University
Mark Trodden, Syracuse University
Dejan Stojkovic, University of Alberta
(97183102)

10:35 a.m.
(De)Constructing Dimensions.
Nima ArkaniHamed*, Lawrence Berkeley Lab
(97185161)

Sunday October 14, 2001, 8:30 a.m.10:50 a.m.
Special Session on Number Theory, Holomorphic Dynamics, and Algebraic Dynamics, III
Room 106, Bronfman Science Center
Organizers:
Robert L. Benedetto, University of Rochester
John W. Milnor, IMS and SUNY at Stony Brook
Kevin M. Pilgrim, University of Missouri at Rolla pilgrim@umr.edu

8:30 a.m.
Heights and Rational Dynamics.
Susan Goldstine*, Ohio State University
(97111201)

9:00 a.m.
Discussion.

9:30 a.m.
Computerassisted analysis of discontinuous rational rotations on a torus.
Franco Vivaldi*, Queen Mary, University of London
John H. Lowenstein, New York University
(9713739)

10:00 a.m.
A Thurston Algorithm for nonpostsingularly finite polynomials and exponential functions.
David A Brown*, Ithaca College
(97137129)

10:30 a.m.
Diophantine approximation on manifolds via homogeneous dynamics.
Dmitry Y Kleinbock*, Brandeis University
(97111159)

Sunday October 14, 2001, 8:30 a.m.10:50 a.m.
Special Session on Commutative Algebra, III
Room 103, Bronfman Science Center
Organizers:
Susan R. Loepp, Williams College sloepp@williams.edu
Graham J. Leuschke, University of Kansas gleuschke@math.ukans.edu

8:30 a.m.
Bounded versus finite representation type.
Roger A Wiegand*, University of Nebraska
Sylvia M Wiegand, University of Nebraska
(97113132)

9:00 a.m.
Bounds on multiplicities of local rings.
Douglas A Hanes*, University of Minnesota
(9711336)

9:30 a.m.
Gorenstein Artin Algebras.
Hema Srinivasan*, University of Missouri
Anthony Iarrobino, Northeastern University
(9711383)

10:00 a.m.
Vanishing of Ext and Gorenstein rings.
Craig Huneke, Department of Mathematics, University of Kansas
David A Jorgensen*, Department of Mathematics, University of Texas at Arlington
(97113194)

10:30 a.m.
Bounds for Indecomposable Modules Over OneDimensional Rings.
Meral Arnavut, SUNY Fredonia
Sylvia M Wiegand*, University of Nebraska
(97113133)

Sunday October 14, 2001, 8:30 a.m.10:50 a.m.
Special Session on Algebraic and Topological Combinatorics, III
Room 105, Clark Hall
Organizers:
Eva Maria Feichtner, ETH, Z\"urich, Switzerland feichtne@math.ethz.ch
Dmitry N. Kozlov, KTH, Stockholm, Sweden kozlov@math.kth.se

8:30 a.m.
Recent progress in the topology of simplicial complexes.
Victor S Reiner*, University of Minnesota
(9710594)

9:30 a.m.
Multiplicity of the trivial representation in rankselected homology of the partition lattice.
Philip Hanlon, University of Michigan
Patricia Hersh*, University of Michigan
(9710547)

10:00 a.m.
The Distribution of Values in The Quadratic Assignment Problem.
Tamon Stephen*, University of Michigan
(97190124)

10:30 a.m.
A Geometric Classification of Trapezoid Orders.
Kenneth P Bogart*, Dartmouth College
(97106162)

Sunday October 14, 2001, 8:30 a.m.10:50 a.m.
Special Session on Harmonic Analysis since the Williamstown Conference of 1978, III
Room 104, Bronfman Science Center
Organizers:
Janine E. Wittwer, Williams College Janine.E.Wittwer@williams.edu
David CruzUribe, Trinity College david.cruzuribe@mail.trincoll.edu

8:30 a.m.
On the two weight problem for Singular Integral Operators.
Carlos P\'erez*, Universidad de Sevilla
David CruzUribe, Trinity College
(9714260)

9:00 a.m.
Inequalities for gradients on nonsmooth domains.
Caroline Sweezy, New Mexico State University
James M Wilson*, University of Vermont
(97142115)

9:30 a.m.
Local Smoothing Results for a Family of Averaging Operators.
David T Kung*, St. Mary's College of Maryland
(97142207)

10:00 a.m.
Norm inequalities for time and space gradients of caloric functions on various domains.
Caroline Sweezy*, New Mexico State University
Michael Wilson, University of Vermont
(97142121)

10:30 a.m.
Regularity results for a class of degenerate equations, preliminary report.
Richard L Wheeden*, Rutgers University
(97135206)

Sunday October 14, 2001, 8:30 a.m.10:50 a.m.
Special Session on Abelian Varieties, III
Room 203, Thompson Physics Lab
Organizers:
Alexander Polishchuk, Boston University apolish@bu.edu
Emma Previato, Boston University ep@bu.edu

8:30 a.m.
Rank Two Vector Bundles on Singular Curves.
Daniele Arcara*, U. Georgia, Athens
(97114196)

9:00 a.m.
Locus of indeterminacy of the Prym map.
Vitaly N Vologodsky*, University of Georgia
(97114181)

9:30 a.m.
On the geometry of certain rank 2 sheaves on Prym theta divisors.
Roy C Smith, University of Georgia
Robert Varley*, University of Georgia
(97114189)

10:00 a.m.
On multiplicities of points on Prym theta divisors.
Roy C Smith*, University of Georgia
Robert Varley, University of Georgia
(97114186)

10:30 a.m.
Seshadri Constants of Abelian Varieties.
Olivier V Debarre*, Universite de Strasbourg, France
(9711430)

Sunday October 14, 2001, 8:30 a.m.10:50 a.m.
Special Session on Integrable Systems and Quantum Groups, III
Room 205, Thompson Physics Lab
Organizers:
Pavel I. Etingof, Massachusetts Institute of Technology etingof@math.mit.edu
Emma Previato, Boston University ep@bu.edu

8:30 a.m.
Quantum Zonal Spherical Functions.
Gail R Letzter*, Virginia Tech
(9711787)

9:00 a.m.
Local systems on nilpotent orbits.
Eric N Sommers*, University Of MassachusettsAmherst
(97117101)

9:30 a.m.
Quantum Haar measures and spherical functions.
Milen T Yakimov*, Cornell University
(97122120)

10:00 a.m.
Lusztig's bijection and tilting modules for quantum groups.
James E Humphreys*, U. Massachusetts, Amherst
(97117108)

10:30 a.m.
On Lie algebras of BPS states.
Maxim Vybornov*, UMASS/MIT
(97117174)

Sunday October 14, 2001, 9:00 a.m.10:50 a.m.
Special Session on History of Mathematics, III
Room 112, Thompson Biology Lab
Organizers:
Glen R. Van Brummelen, Bennington College gvanbrum@bennington.edu
Della D. Fenster, Richmond University dfenster@richmond.edu
James J. Tattersall, Providence College tat@providence.edu
Shawnee L. McMurran, California State University, San Bernadino mcmurran@math.csusb.edu

9:00 a.m.
A Description and History of the Olivier String Models at the United States Military Academy.
Amy E Shell*, United States Military Academy
(9710105)

9:30 a.m.
On using a table of logarithms.
Daniel E. Otero*, Xavier University
(97101146)

10:00 a.m.
``Irrestistible to the boys": The Introduction of Graphical Techniques in Mathematics Teaching and the Creation of a New Class of Standard Problems, 19001920.
Eisso J Atzema*, University of Maine
(9710161)

10:30 a.m.
Calculus at West Point in the Nineteenth Century.
V. Frederick Rickey*, West Point
(97101193)

Sunday October 14, 2001, 9:00 a.m.10:50 a.m.
Special Session on Diophantine Problems, III
Room 202, Thompson Chemistry Lab
Organizers:
Edward B. Burger, Williams College Edward.B.Burger@williams.edu
Jeffrey D. Vaaler, University of Texas at Austin vaaler@fireant.ma.utexas.edu

9:00 a.m.
Multivariate Diophantine equations with many solutions.
JanHendrik Evertse, Universiteit Leiden
Pieter Moree, Universiteit van Amsterdam
Cameron L Stewart*, University of Waterloo
Robert Tijdeman, Universiteit Leiden
(9711162)

9:30 a.m.
The Four Faces of Lifting for the Elliptic Curve Discrete Logarithm Problem.
Joseph H Silverman*, Brown University
(9711116)

10:00 a.m.
Placeholder only; will not appear anywhere unless real title/abstract materializes. Submitted by Salter.
John Tate*, University of Texas at Austin
(97100213)

10:30 a.m.
Algebraic Independence in Positive Characteristic.
Greg W Anderson, University of Minnesota
W. Dale Brownawell*, Penn State
Matthew A Papanikolas, Brown University
(97111163)

Sunday October 14, 2001, 9:00 a.m.10:50 a.m.
Special Session on Nonlinear PDEs and Calculus of Variations, III
Room 202, Thompson Biology Lab
Organizers:
Yisong Yang, Polytechnic University yyang@duke.poly.edu
Fanghua Lin, Courant Institute, New York University linf@math1.cims.nyu.edu
Nader Masmoudi, Courant Institute, New York University

9:00 a.m.
Boundary blowup solutions for a class of semilinear elliptic equations.
Seick Kim*, University of Minnesota
(9713569)

9:30 a.m.
Comparison principle for solutions of parabolic inequalities.
Vasyl V. Kurta*, Mathematical Reviews
(97135113)

10:00 a.m.
On a nonlinear parabolic system modeling chemical reactions in rivers.
Wenxiong Chen*, Southwest Missouri State University
Congming Li, Univ of Colorado
Eric S Wright, U of Colorado
(9713591)

10:30 a.m.
A Blow up Result for a Nonlinear Heat Equation.
Canan Celik*, Michigan State University
(97135127)

Sunday October 14, 2001, 11:00 a.m.11:50 a.m.
Invited Address
On the Mass of Higher Dimensional Black Holes.
Auditorium, Bronfman Science Center
Hubert Bray*, Massachusetts Institute of Technology
(9715301)

Sunday October 14, 2001, 1:30 p.m.2:20 p.m.
Invited Address
An Introduction to Discrete Morse Theory.
Auditorium, Bronfman Science Center
Robin Forman*, Rice University
(9715704)

Sunday October 14, 2001, 2:30 p.m.5:20 p.m.
Special Session on History of Mathematics, IV
Room 112, Thompson Biology Lab
Organizers:
Glen R. Van Brummelen, Bennington College gvanbrum@bennington.edu
Della D. Fenster, Richmond University dfenster@richmond.edu
James J. Tattersall, Providence College tat@providence.edu
Shawnee L. McMurran, California State University, San Bernadino mcmurran@math.csusb.edu

2:30 p.m.
Christoffel, the Equivalence Problem, and the Origins of Tensor Calculus.
Paul R Wolfson*, West Chester University
(97101131)

3:00 p.m.
How it was and how it might have been: why Carl Runge never worked in Stockholm.
Roger L Cooke*, University of Vermont
(9710133)

3:30 p.m.
Some history of class numbers.
Hardy Grant*, York University, Toronto
(9710186)

4:00 p.m.
Propriety, Polemic and Priority: The Eulerd'Alembert Correspondence.
Robert E Bradley*, Adelphi University
(9710119)

4:30 p.m.
200 Notable Mathematicians in 200 Years of West Point Mathematics.
David C Arney*, The College of Saint Rose
(9710123)

5:00 p.m.
Agust\'{\i}n Arag\'on, Mexican journalist and historian of science.
Alejandro R Garciadiego*, Cinvestav/UNAM
(97101156)

Sunday October 14, 2001, 2:30 p.m.3:00 p.m.
Special Session on Number Theory, Holomorphic Dynamics, and Algebraic Dynamics, IV
Room 106, Bronfman Science Center
Organizers:
Robert L. Benedetto, University of Rochester
John W. Milnor, IMS and SUNY at Stony Brook
Kevin M. Pilgrim, University of Missouri at Rolla pilgrim@umr.edu

2:30 p.m.
Problem session.

Sunday October 14, 2001, 2:30 p.m.5:20 p.m.
Special Session on Algebraic and Topological Combinatorics, IV
Room 105, Clark Hall
Organizers:
Eva Maria Feichtner, ETH, Z\"urich, Switzerland feichtne@math.ethz.ch
Dmitry N. Kozlov, KTH, Stockholm, Sweden kozlov@math.kth.se

2:30 p.m.
A $B_n$analogue of the chessboard complex.
Michelle L Wachs*, University of Miami
(97105203)

3:00 p.m.
The probabalistic zeta function and coset poset of a finite group.
John Shareshian*, Washington Univeristy, St. Louis
(97105136)

3:30 p.m.
The matroid Grassmannian is homotopy equivalent to the real Grassmannian.
Daniel K Biss*, MIT
(9715292)

4:00 p.m.
Webs in Grassmann Cells.
Alexander Postnikov*, MIT, Dept. Math
(97105142)

4:30 p.m.
Moduli spaces and the LittlewoodRichardson cone.
Eric K Babson, University of Washington
Paul E Gunnells*, Rutgers University
(97114188)

5:00 p.m.
Poset bundles.
Laura M Anderson*, SUNY at Binghamton
Eric K Babson, University of Washington
(97105183)

Sunday October 14, 2001, 2:30 p.m.4:20 p.m.
Special Session on Diophantine Problems, IV
Room 202, Thompson Chemistry Lab
Organizers:
Edward B. Burger, Williams College Edward.B.Burger@williams.edu
Jeffrey D. Vaaler, University of Texas at Austin vaaler@fireant.ma.utexas.edu

2:30 p.m.
View obstruction and lonely runners.
Thomas W Cusick*, SUNY at Buffalo
(9711153)

3:00 p.m.
Why most Thue inequalities should have few solutions.
Jeffrey L Thunder*, Northern Illinois University
(97111110)

3:30 p.m.
The linear diophantine problem of Frobenius.
Matthias Beck*, SUNY Binghamton
(9711124)

4:00 p.m.
A Multidimensional Continued Fraction Algorithm: Triangle Sequences.
Thomas A Garrity*, Williams College
(97111140)

Sunday October 14, 2001, 2:30 p.m.4:20 p.m.
Special Session on Harmonic Analysis since the Williamstown Conference of 1978, IV
Room 104, Bronfman Science Center
Organizers:
Janine E. Wittwer, Williams College Janine.E.Wittwer@williams.edu
David CruzUribe, Trinity College david.cruzuribe@mail.trincoll.edu

2:30 p.m.
Weighted norm inequalities for rough CalderónZygmund operators having no Fourier transform decay.
David K Watson*, Hightstown, New Jersey
(9714271)

3:00 p.m.
Estimates with Global range for Oscillatory integrals with Concave phase.
Bj\"orn G. Walther*, University of Kalmar
(97142105)

3:30 p.m.
Sharp weighted bounds for the Harmonic Square function.
Janine Wittwer*, Williams College, MA
(97142100)

4:00 p.m.
On the wellposedness of the wave map problem in high dimensions.
Andrea Nahmod*, The University of Massachusetts at Amherst
Atanas Stefanov, The University of Massachusetts at Amherst
Karen Uhlenbeck, The University of Texas at Austin
(97135165)

Sunday October 14, 2001, 2:30 p.m.3:20 p.m.
Special Session on Nonlinear PDEs and Calculus of Variations, IV
Room 202, Thompson Biology Lab
Organizers:
Yisong Yang, Polytechnic University yyang@duke.poly.edu
Fanghua Lin, Courant Institute, New York University linf@math1.cims.nyu.edu
Nader Masmoudi, Courant Institute, New York University

2:30 p.m.
Modified wave operators for the Hartree equation.
Kenji Nakanishi*, Graduate School of Mathematics, Nagoya University
(97135210)

3:00 p.m.
On the shape of the vortex lattice for a layered superconductor in a parallel field.
Stanley Alama*, McMaster University
John Berlinsky, McMaster University
Lia Bronsard, McMaster University
(97135208)

Sunday October 14, 2001, 2:30 p.m.4:50 p.m.
Special Session on Abelian Varieties, IV
Room 203, Thompson Physics Lab
Organizers:
Alexander Polishchuk, Boston University apolish@bu.edu
Emma Previato, Boston University ep@bu.edu

2:30 p.m.
Monodromy groups and abelian varieties.
Jeffrey D Achter*, Columbia University
(9711412)

3:00 p.m.
Discussion on open questions on Abelian Varieties.

3:30 p.m.
Vanishing thetanulls for some dihedral coverings of Riemann surfaces.
Robert D. M. Accola*, Brown University
(97114166)

4:00 p.m.
Differential and Algebraic Equations for Theta Functions and Constants.
Samuel Grushevsky*, Harvard University
(97114204)

4:30 p.m.
A new proof of the nonrationality of cubic threefolds.
Tawanda Gwena*, University of Georgia
(97114202)

Sunday October 14, 2001, 2:30 p.m.4:50 p.m.
Special Session on Integrable Systems and Quantum Groups, IV
Room 205, Thompson Physics Lab
Organizers:
Pavel I. Etingof, Massachusetts Institute of Technology etingof@math.mit.edu
Emma Previato, Boston University ep@bu.edu

2:30 p.m.
Symmetries in Feynman Graphs.
Dirk Kreimer*, Boston University
(97181192)

3:00 p.m.
Ideal Classes of the Weyl Algebra and Noncommutative Projective Geometry.
Yuri Berest*, Cornell University
George Wilson, Imperial College
(97114177)

3:30 p.m.
"Almost" Operator Identities, Solitons and Particles.
Alex Kasman*, University of Charleston
(9711574)

4:00 p.m.
Elliptic Sklyanin integrable systems for arbitrary reductive groups.
Jacques Hurtubise, Centre de Recherches Mathematiques, Universite de Montreal and Department of Mathematics, McGill University
Eyal Markman*, University of Massachusetts, Amherst
(97114106)

4:30 p.m.
Harmonic maps from a 2torus to the 3sphere: some existence results.
Emma E Carberry*, M.I.T.
(9715176)
Inquiries: meet@ams.org