AMS Sectional Meeting Program by Day
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2001 Fall Central Section Meeting
Columbus, OH, September 2123, 2001
Meeting #969
Associate secretaries:
Susan J Friedlander, AMS
susan@math.northwestern.edu
Friday September 21, 2001

Friday September 21, 2001, 12:30 p.m.4:30 p.m.
Meeting Registration
MW 154, Mathematics Tower (MW)

Friday September 21, 2001, 12:30 p.m.4:30 p.m.
Exhibit and Book Sale
MW 724, Mathematics Tower (MW)

Friday September 21, 2001, 1:30 p.m.5:15 p.m.
Special Session on Algebraic Cycles, Algebraic Geometry, I
UH 0151, University Hall (UH)
Organizers:
Roy Joshua, Ohio State University joshua@math.ohiostate.edu

1:30 p.m.
Equivariant Todd Classes for Toric Varieties.
JeanLuc Brylinski, Penn State University
Bin Zhang*, SUNY at Stony Brook
(96914131)

2:30 p.m.
Combinatorics of the Toric Hilbert Scheme.
Rekha R Thomas*, University of washington
Diane Maclagan, Institute for Advanced Study
(96905185)

3:30 p.m.
(Eqivariant) vectorbundles on certain exotic 3spaces.
Peter Russell*, McGill University
(96914200)

4:30 p.m.
KTheory and Standard Monomial Theory.
Venkatramani Lakshmibai*, Northeastern University
Peter Littelmann, University of Wuppertal
(96914211)

Friday September 21, 2001, 1:30 p.m.4:50 p.m.
Special Session on Coding Theory and Designs, I
UH 0090, University Hall (UH)
Organizers:
Tom Dowling, Ohio State University tdowling@math.ohiostate.edu
Dijen RayChaudhuri, dijen@math.ohiostate.edu

1:30 p.m.
Designs in Shortened Additive GF(4) Codes.
Vera Pless*, University of IllinoisChicago
JonLark Kim, University of IllinoisChicago
(96994162)

2:00 p.m.
New lower bounds on the maximum number of mutually orthogonal Steiner triple systems.
Jeff Dinitz*, University of Vermont
Peter Dukes, Calif. Institute of Technology
(96905233)

2:30 p.m.
On abelian relative difference sets which are extensions of diffrence sets with classical parameters.
Nobuo Nobu Nakagawa, Naka*, Department of Mathematics Faculty of Science and Technology
(9690566)

3:00 p.m.
Higher Weights and Nonbinary SelfDual Codes.
Steven T Dougherty, University of Scranton
Aaron Gulliver*, University of Victoria
(96994220)

3:30 p.m.
A technique for constructing nonembeddable quasiresidual designs.
Yury J. Ionin*, Central Michigan University
Kirsten MackenzieFleming, Central Michigan University
(96905246)

4:00 p.m.
An Existence Theorem for Group Divisible 2Designs of Large Order.
Hedvig Mohacsy*, The Ohio State University
Dijen K RayChaudhuri, The Ohio State University
(96905250)

4:30 p.m.
Extremal problems under dimension constraints.
Rudolf Ahlswede*, University of Bielefeld
Harout Aydinian, University of Bielefeld
Levon H Khachatrian, University of Bielefeld
(96905117)

Friday September 21, 2001, 1:30 p.m.5:20 p.m.
Special Session on Commutative Algebra, I
UH 0147, University Hall (UH)
Organizers:
Evan Houston, University of North Carolina, Charlotte eghousto@email.uncc.edu
Alan Loper, Ohio State University lopera@math.ohiostate.edu

1:30 p.m.
Discussion

2:00 p.m.
Nonstandard Tight Closure and Symbolic Powers.
Hans Schoutens*, Ohio State University
(9691375)

2:30 p.m.
Trace Properties and Integal Domains, II.
Thomas G Lucas*, University of North Carolina Charlotte
Abdeslam Mimouni, University of Fez
(96913194)

3:00 p.m.
Coherent Gaussian Rings.
Sarah Glaz*, University of Connecticut
(96913195)

3:30 p.m.
ZeroDivisor Graphs of Commutative Rings.
David F Anderson*, University of Tennessee
Ron Levy, George Mason University
Jay Shapiro, George Mason University
(96913126)

4:00 p.m.
Decompositions of modules over rings of bounded representation type.
Meral Arnavut*, SUNY Fredonia and University of NebraskaLincoln
Sylvia Wiegand, University 0f NebraskaLincoln
(96913229)

4:30 p.m.
Some Finiteness Conditions on Overrings of an Integral Domain.
Robert Gilmer*, Florida State University
(9691334)

5:00 p.m.
Representation Type of Commutative Noetherian Rings: Global Wildness.
Lee C Klingler*, Florida Atlantic University
Lawrence S Levy, University of WisconsinMadison
(96913216)

Friday September 21, 2001, 1:30 p.m.5:20 p.m.
Special Session on Cryptography and Computational and Algorithmic Number Theory, I
UH 0047, University Hall (UH)
Organizers:
Eric Bach, University of WisconsinMadison bach@cs.wisc.edu
Jonathan Sorenson, Butler University sorenson@butler.edu

1:30 p.m.
Some Recent Results on Probable Prime Testing.
Siguna M. Mueller*, University of Klagenfurt
(96911215)

2:00 p.m.
Definite quadratic forms over $\Bbb F_q[x]$.
Larry J Gerstein*, University of California, Santa Barbara
(96911107)

2:30 p.m.
On fixed points for discrete logarithms.
Mariana Campbell, University of California, Berkeley
Carl Pomerance*, Bell Laboratories
(96911179)

3:00 p.m.
Break

3:30 p.m.
Virtual logarithms.
Oliver A Schirokauer*, Oberlin College
(96911213)

4:00 p.m.
On group order distributions for abelian varieties of low dimension.
Annegret Weng*, Institut fuer Experimentelle Mathematik
(96911193)

4:30 p.m.
Products of likeindexed terms in two binary recurrences.
Florian Luca, Unidad Morelia
Gary Walsh*, University of Ottawa
(9691144)

5:00 p.m.
Construction of elliptic curves over finite fields with known number of points.
Amod Agashe, University of Texas, Austin
Kristin E. Lauter*, Microsoft Research
Ramarathnam Venkatesan, Microsoft Research
(96911232)

Friday September 21, 2001, 1:30 p.m.4:50 p.m.
Special Session on Group Theory, I
BE 0394, Baker Systems Engineering (BE)
Organizers:
Koichiro Harada, Ohio State University haradako@math.ohiostate.edu
Surinder Sehgal, Ohio State University sehgal@math.ohiostate.edu
Ronald Solomon, Ohio State University solomon@math.ohiostate.edu

1:30 p.m.
A geometry based proof of Phan's Theorem.
Curtis D. Bennett*, Bowling Green State University
Sergey Shpectorov, Bowling Green State University
(96920169)

2:00 p.m.
Generating classical groups.
Robert M Guralnick, University of Southern California
Corneliu G Hoffman*, Bowling Green State University
(96920138)

2:30 p.m.
A Phantype theorem for the symplectic group.
Ralf Gramlich, Eindhoven University of Technology
Corneliu Hoffman, Bowling Green State University
Sergey Shpectorov*, Bowling Green State University
(96920184)

3:00 p.m.
A new approach to the k(GV)problem.
Thomas Michael Keller*, Southwest Texas State University
(9692070)

3:30 p.m.
The Number of Irreducible Character Degrees of Solvable Groups Satisfying the OnePrime Hypothesis.
Mark L Lewis*, Kent State University
(9692019)

4:00 p.m.
Clifford classes for isoclinic groups.
Alexandre Turull*, University of Florida
(96920199)

4:30 p.m.
Regular orbits of induced modules.
Thomas R. Wolf*, Ohio University
(96920198)

Friday September 21, 2001, 1:30 p.m.5:15 p.m.
Special Session on $L^2$ Methods in Algebraic and Geometric Topology, I
BE 0184, Baker Systems Engineering (BE)
Organizers:
Dan Burghelea, Ohio State University burghele@math.ohiostate.edu
Michael Davis, Ohio State University mdavis@math.ohiostate.edu

1:30 p.m.
Spectral flow and Dixmier traces.
Alan L Carey*, University of Adelaide
John Phillips, University of Victoria
Fyodor Sukochev, Flinders University
(96958164)

2:30 p.m.
On the zerointhespectrumconjecture.
Michael Farber*, Tel Aviv University
(96957191)

3:30 p.m.
Semicalssical assymptotic for determinants of operators almost elliptic with parameter.
Maxim Braverman*, Northeastern University
(9695857)

4:30 p.m.
On the $L^2$ spectrum of periodic differential operators.
Leonid Friedlander*, University of Arizona
(96958238)

Friday September 21, 2001, 1:30 p.m.5:15 p.m.
Special Session on Proof Theory and the Foundations of Mathematics, I
UH 0082, University Hall (UH)
Organizers:
Timothy Carlson, Ohio State University carlson@math.ohiostate.edu

1:30 p.m.
Lambdacalculus with internalization.
Sergei N Artemov*, The City University of New York Graduate Center
(96903212)

2:30 p.m.
Relating the Veblen and Mahlo hierarchies.
Michael Rathjen*, University of Leeds
(96903110)

3:30 p.m.
Hilbert's Consistency Proofs.
Wilfried Sieg*, Carnegie Mellon University
(96903109)

4:30 p.m.
Envisioning the Triumph of Constructive Mathematics.
Matthew Frank*, University of Chicago
(9690315)

Friday September 21, 2001, 1:30 p.m.5:20 p.m.
Special Session on Rings and Modules, I
UH 0043, University Hall (UH)
Organizers:
S. K. Jain, Ohio University jain@bing.math.ohiou.edu
Tariq Rizvi, Ohio State University rizvi@math.ohiostate.edu

1:30 p.m.
Torsion freeness of units of 1+ A(G)A(N).
Sudarshan K Sehgal*, University of Alberta
(9691696)

2:00 p.m.
On the commutation of envelopes and covers of modules.
Philipp S Rothmaler*, Ohio State University
(9691650)

2:30 p.m.
The pureinjective envelope of a CamilloKrause ring.
Ivo Herzog*, Ohio State University at Lima
(9691636)

3:00 p.m.
Semiprime Goldie rings with onesided ideals CS.
Dinh V. Huynh, Ohio University
Surender K. Jain, Ohio University
Sergio R. L\'opezPermouth*, Ohio University
(96916157)

3:30 p.m.
Reversible and Symmetric Rings.
Greg Marks*, St. Louis University
(9691688)

4:00 p.m.
Homological Properties of CohenMacaulay Graded Algebras.
Izuru Mori*, Purdue University
(96916130)

4:30 p.m.
Forcing Linearity Numbers.
C. J. Maxson*, Texas A\&M University
(9691643)

5:00 p.m.
On rings satisfying the Armendariz property for skew polynomials.
Tai Keun Kwak*, Daejin University
Chan Yong Hong, Kyunghee University
(96916129)

Friday September 21, 2001, 1:30 p.m.5:20 p.m.
Special Session on Spectral Theory of Schr\"odinger Operators, I
UH 0086, University Hall (UH)
Organizers:
Boris Mityagin, Ohio State University borismit@math.ohiostate.edu
Sergei Novikov, University of Maryland novikov@ipst.umd.edu

2:00 p.m.
Smoothness of periodic Schr\"odinger potential and decay rate of spectral gaps.
Plamen Djakov, Sofia University
Boris Mityagin*, The Ohio State University
(96947106)

3:00 p.m.
Vector bundles and Lax operators on algebraic curves.
Igor Krichever*, Dept Math Columbia Univ, New York, and Landau Physics Institute, Moscow
(96947230)

3:30 p.m.
On algebrogeometric matrixvalued KdV potentials.
Fritz Gesztesy*, University of Missouri
(96934123)

4:00 p.m.
The Interaction of Phases in KdV Modulations.
FeiRan Tian*, Ohio State University
(96935114)

4:30 p.m.
First KdV integrals and absolutely continuous spectrum for 1D Schr\"{o}odinger operator.
Mikhail V Novitskii*, The Uiversity of North Carolina at Charlotte
(96947176)

5:00 p.m.
FeynmanKac propagators for the heat equation with a timedependent potential.
Archil Gulisashvili*, Ohio University
(96935158)

Friday September 21, 2001, 2:00 p.m.4:20 p.m.
Special Session on Quantum Topology, I
BE 0285, Baker Systems Engineering (BE)
Organizers:
Thomas Kerler, Ohio State University kerler@math.ohiostate.edu

2:00 p.m.
Monoidal and braided structures in neargroup categories.
Jacob Siehler*, Virginia Tech
(96918262)

2:30 p.m.
A (co)sheaf approach to topological field theory.
Frank S Quinn*, Virginia Tech
(96957239)

3:00 p.m.
Break

3:30 p.m.
Categorical Deformations and Topological Invariants.
David N Yetter*, Kansas State University
(96918241)

4:00 p.m.
Relativistic Spin neta and applications.
Louis Crane*, Kansas State University
(96981231)

Friday September 21, 2001, 2:30 p.m.4:25 p.m.
Special Session on Differential Geometry and Applications, I
BE 0188, Baker Systems Engineering (BE)
Organizers:
Andrzej Derdzinski, Ohio State University andrzej@math.ohiostate.edu
Fangyang Zheng, Ohio State University zheng@math.ohiostate.edu

2:30 p.m.
Circular Billiard Tables, Conjugate Loci, and a Cardioid.
Richard L Bishop*, Univ. of Illinois at UrbanaChampaign
(96953159)

3:00 p.m.
Generalized Sasaki Distance and Metric Characterization of Riemannian Spaces.
Igor G Nikolaev*, University of Illinois at UC
(96953101)

3:30 p.m.
Computational aspects of infinite type integrable surfaces.
Ivan C Sterling*, St Mary's College of Maryland
(96953137)

Friday September 21, 2001, 5:30 p.m.6:20 p.m.
Invited Address
Billiards in rational polygons.
EA 160, Math Annex (EA)
Alex Eskin*, University of Chicago
Inquiries: meet@ams.org