AMS Sectional Meeting Full Program
Current as of Tuesday, April 12, 2005 15:21:29
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)

1:30 p.m.

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)

1:30 p.m.

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)

1:30 p.m.

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)

1:30 p.m.

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)

1:30 p.m.

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)

1:30 p.m.

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)

1:30 p.m.

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)

1:30 p.m.

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)

2:00 p.m.

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)

2:00 p.m.

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)

2:30 p.m.

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
Saturday September 22, 2001

Saturday September 22, 2001, 8:30 a.m.4:30 p.m.
Meeting Registration
MW 154, Mathematics Tower (MW) 
Saturday September 22, 2001, 8:30 a.m.11:15 a.m.
Special Session on Algebraic Cycles, Algebraic Geometry, II
UH 0151, University Hall (UH)
Organizers:
Roy Joshua, Ohio State University joshua@math.ohiostate.edu

8:30 a.m.
Real Regulators on Milnor Complexes.
James D Lewis*, University of Alberta
(96914121) 
9:30 a.m.
Period Integrals and Feynman amplitudes.
Prakash Belkale, University of Utah
Patrick G Brosnan*, University of California, Los Angeles
(96914218) 
10:30 a.m.
Motives in characteristic zero.
Evangelos Mouroukos*, University of Michigan
(96914210)

8:30 a.m.

Saturday September 22, 2001, 8:30 a.m.11:20 a.m.
Special Session on Coding Theory and Designs, II
UH 0090, University Hall (UH)
Organizers:
Tom Dowling, Ohio State University tdowling@math.ohiostate.edu
Dijen RayChaudhuri, dijen@math.ohiostate.edu

8:30 a.m.
AssmusMattson Theorem on Additive Codes over GF(4).
JonLark Kim*, University of IllinoisChicago
Vera Pless, University of IllinoisChicago
(96994180) 
9:00 a.m.
Schur rings and circulant graphs I. From algebraic background to symmetry in circulants.
Andrew J Woldar*, Villanova University
(96905226) 
9:30 a.m.
Schur rings and circulant graphs: II. Automorphism groups of circulant graphs with a primepower number of vertices.
Mikhail Klin*, BenGurion University of the Negev
Reinhard Poeschel, Technological University of Dresden
(96905225) 
10:00 a.m.
New partial difference sets in abelian $p$groups.
Xiangdong Hou*, Wright State University
(9690565) 
10:30 a.m.
Some new results on perfect sequences and a proof of the Lin and Gong conjectures.
K T Arasu*, Wright State University
J F Dillon, National Security Agency
K J Player, Wright State University
(96905208) 
11:00 a.m.
The subconstituent algebra of a distanceregular graph.
Paul M Terwilliger*, University of Wisconsin
(9690568)

8:30 a.m.

Saturday September 22, 2001, 8:30 a.m.11:20 a.m.
Special Session on Commutative Algebra, II
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

8:30 a.m.
Discussion 
9:00 a.m.
Building integral domains using power series I.
William J. Heinzer, Purdue University
Christel Rotthaus, Michigan State University
Sylvia M. Wiegand*, University of Nebraska
(96913165) 
9:30 a.m.
Building integral domains using power series II.
William J. Heinzer*, Purdue University
Christel Rotthaus, Michigan State University
Sylvia M. Wiegand, University of Nebraska
(96913166) 
10:00 a.m.
The halffactorial property in power series extensions.
Jim Coykendall*, North Dakota State University
(96913141) 
10:30 a.m.
Wellcentered overrings of an integral domain.
William Heinzer, Purdue University
Moshe Roitman*, University of Haifa
(96913140) 
11:00 a.m.
Survivalpairs of commutative rings have the lyingover property.
Jim Coykendall, North Dakota State University, Fargo, North Dakota 581055075
David E. Dobbs*, University of Tennessee, Knoxville, Tennessee 379961300
(9691385)

8:30 a.m.

Saturday September 22, 2001, 8:30 a.m.11:20 a.m.
Special Session on Cryptography and Computational and Algorithmic Number Theory, II
UH 0047, University Hall (UH)
Organizers:
Eric Bach, University of WisconsinMadison bach@cs.wisc.edu
Jonathan Sorenson, Butler University sorenson@butler.edu

8:30 a.m.
Some Computational Results Concerning Yokoi's Conjecture.
Jozsef Beck, Rutgers University
Edlyn Teske, University of Waterloo
Hugh C Williams*, University of Calgary
(96911182) 
9:00 a.m.
Conditional and Unconditional Fundamental Unit Computation in Real Quadratic Fields.
Michael J. Jacobson, Jr.*, University of Manitoba
Hugh C. Williams, University of Calgary
(96911181) 
9:30 a.m.
Recent results on the computation of zeta values at negative integers.
Joshua R Holden*, RoseHulman Institute of Technology
(96911168) 
10:00 a.m.
Break 
10:30 a.m.
Unit Computation in Purely Cubic Function Fields.
Yoonjin Lee, University of Delaware
Renate Scheidler*, University of Calgary
(96911167) 
11:00 a.m.
On the iteration of certain quadratic maps over $GF(p)$.
Troy MJ Vasiga*, University of Waterloo
Jeffrey O Shallit, University of Waterloo
(9691174)

8:30 a.m.

Saturday September 22, 2001, 8:30 a.m.11:15 a.m.
Special Session on $L^2$ Methods in Algebraic and Geometric Topology, II
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

8:30 a.m.
Betti number growth for coverings.
Bryan F Clair*, Saint Louis University
Kevin M Whyte, Univ. Of Illinois  Chicago
(9695451) 
9:30 a.m.
Zero divisors and approximating $L^2$Betti numbers.
Peter A Linnell*, Virginia Tech
(96946155) 
10:30 a.m.
Refined semiclassical asymptotics and a vanishing theorem for higher traces.
Yuri A Kordyukov, Department of Mathematics, Ufa State Aviation TechnicalUniversity, Ufa,Russia
Varghese Mathai, Department of Mathematics, University of Adelaide, Adelaide, Australia
Mikhail A Shubin*, Department of Mathematics, Northeastern University, Boston
(96958147)

8:30 a.m.

Saturday September 22, 2001, 8:30 a.m.10:50 a.m.
Special Session on Multivariate Generating Functions and Automatic Computation, I
BE 0136, Baker Systems Engineering (BE)
Organizers:
Robin Pemantle, Ohio State University pemantle@math.ohiostate.edu

8:30 a.m.
Session Introduction 
9:00 a.m.
Asymptotic enumeration of integer partitions by parameters.
E. Rodney Canfield*, University of Georgia
(9690587) 
9:30 a.m.
Asymptotics of multivariate generating functions.
Robin Pemantle, Ohio State University
Mark C Wilson*, University of Auckland
(9690582) 
10:30 a.m.
A multivariate version of FlajoletOdlyzko's transfer theorem and its applications to random maps.
Jason Z Gao*, Carleton University
Nick Wormald, University of Melbourne
(9690541)

8:30 a.m.

Saturday September 22, 2001, 8:30 a.m.11:15 a.m.
Special Session on Proof Theory and the Foundations of Mathematics, II
BE 0291, Baker Systems Engineering (BE)
Organizers:
Timothy Carlson, Ohio State University carlson@math.ohiostate.edu

8:30 a.m.
Applied foundations: recent progress in proof mining.
Ulrich W Kohlenbach*, Department of Computer Science, University of Aarhus
(9690392) 
9:30 a.m.
Provable Recursiveness and Complexity.
Stanley S Wainer*, University of Leeds UK
(96903173) 
10:30 a.m.
Update procedures and the 1consistency of arithmetic.
Jeremy Avigad*, Carnegie Mellon University
(96903177)

8:30 a.m.

Saturday September 22, 2001, 8:30 a.m.11:20 a.m.
Special Session on Quantum Topology, II
BE 0285, Baker Systems Engineering (BE)
Organizers:
Thomas Kerler, Ohio State University kerler@math.ohiostate.edu

8:30 a.m.
Quantum deformations of fundamental groups.
Uwe Kaiser*, Boise State University
(96957153) 
9:00 a.m.
Shadow World Evaluation of the YangMills Measure.
Charles Frohman, University of Iowa
Joanna KaniaBartoszynska*, Boise State University
(9695739) 
9:30 a.m.
Lagrangian approximation of Fox $p$colorings of tangles; Fox approximation of rational $\frac{p}{q}$moves.
Jozef H Przytycki*, GWU
(96957224) 
10:00 a.m.
Break 
10:30 a.m.
$3$dimensional topology inspired by number theory.
Adam S Sikora*, CRM Montreal
(96957209) 
11:00 a.m.
Asymptotics of the TuraevViro Invariant.
Charles D Frohman*, The University of Iowa
Thomas Kerler, Ohio State University
(96957151)

8:30 a.m.

Saturday September 22, 2001, 8:30 a.m.11:20 a.m.
Special Session on Rings and Modules, II
UH 0051, University Hall (UH)
Organizers:
S. K. Jain, Ohio University jain@bing.math.ohiou.edu
Tariq Rizvi, Ohio State University rizvi@math.ohiostate.edu

8:30 a.m.
Some new results and questions related to Koethe's nil ideal problem.
Edmund R. Puczylowski*, Institute of Mathematics, University of Warsaw
(96916154) 
9:00 a.m.
KrullSchmidt categories with the Artinian condition on morphisms.
Nguyen Viet Dung*, Ohio University  Zanesville
Jose Luis Garcia, University of Murcia, Spain
(96916124) 
9:30 a.m.
Costar Modules.
Robert R Colby, University of Iowa
Kent R Fuller*, University of Iowa
(96916122) 
10:00 a.m.
Essential Extensions which are FIExtending.
Gary F Birkenmeier*, University of Louisiana at Lafayette
Jae K Park, Busan National University
S. Tariq Rizvi, Ohio State University at Lima
(9691690) 
10:30 a.m.
Structure of some Noetherian SIrings.
Dinh V Huynh*, Ohio University
(96916204) 
11:00 a.m.
On Additive Rank Functions.
John A Beachy*, Northern Illinois University
(9691648)

8:30 a.m.

Saturday September 22, 2001, 8:30 a.m.11:20 a.m.
Special Session on Spectral Theory of Schr\"odinger Operators, II
BE 0130, Baker Systems Engineering (BE)
Organizers:
Boris Mityagin, Ohio State University borismit@math.ohiostate.edu
Sergei Novikov, University of Maryland novikov@ipst.umd.edu

8:30 a.m.
Magnetic Schr\"odinger operators: discreteness of spectrum and strict positivity criteria.
Vladimir A Kondratiev, Department of Mechanics and Mathematics, Moscow State University, Moscow, Russia
Vladimir G Maz'ya, Department of Mathematics, Link\"oping University, Sweden
Mikhail A Shubin*, Department of Mathematics, Northeastern University, Boston, MA
(96935149) 
9:00 a.m.
Hydrogen atom in magnetic field: approximating eigenfunctions.
Alexander V Turbiner*, Nuclear Science Institute, UNAM
(96935237) 
9:30 a.m.
2D Schroedinger Operators, Solitons, Spectral Symmetries.
Sergey Novikov*, University of Maryland, College Park, USA & Landau Instituteof the Russian Academy of Sciences, Moscow, Russia
(96947186) 
10:30 a.m.
Perturbation Formulae for the TwoDimensional Periodic Magnetic Schr\"{o}dinger Operator.
Yulia E Karpeshina*, UAB
(96935142) 
11:00 a.m.
Behavior of dispersion curves near spectral edges and properties of periodic elliptic equations.
Peter Kuchment*, Texas A\&M University
Vassilis Papanicolaou, Wichita State University
Yehuda Pinchover, Technion, Israel
(96935150)

8:30 a.m.

Saturday September 22, 2001, 8:30 a.m.11:20 a.m.
Special Session on Fractals, I
BE 0192, Baker Systems Engineering (BE)
Organizers:
Gerald Edgar, Ohio State University edgar@math.ohiostate.edu

9:00 a.m.
Sierpinski Pedal Triangles.
XinMin Zhang*, University of South Alabama
Richard L Hitt, Univ. of South Alabama
Jiu Ding, Univ. of Southern Mississippi
(9695129) 
9:30 a.m.
On the analysis on Sierpinski gaskets.
Alexander Teplyaev*, NSF/UC Riverside
(9693114) 
10:00 a.m.
Inside the L\`evy dragon.
Scott Bailey*, Cornell University
Theodore Kim, Cornell University
Robert S Strichartz, Cornell University
(9692855) 
10:30 a.m.
Exact Hausdorff Measure of the Graph of Brownian Motion on Some Nested Fractals.
Yimin Xiao*, Michigan State University
(9696089) 
11:00 a.m.
Complex Dimensions of SelfSimilar Fractals.
Michel L. Lapidus*, University of California
(9693742)

9:00 a.m.

Saturday September 22, 2001, 8:30 a.m.11:25 a.m.
Special Session on Differential Geometry and Applications, II
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

8:30 a.m.
Lagrangian Helicoids.
David E Blair*, Michigan State University
(9695372) 
9:00 a.m.
The $\mathcal{S}^{2}\times\mathcal{S}^{1}$ singularity of the Ricci flow.
Tom Ilmanen, ETH  Z\"urich
Dan Knopf*, University of Wisconsin  Madison
(96953116) 
9:30 a.m.
Compactifications of hermitian symmetric spaces and the moment map.
Lizhen Ji*, Univ of Michigan, Ann Arbor
(9695380) 
10:00 a.m.
Dependence of spectral invariants on geometric moduli.
Chris M Judge*, Indiana University
(96953103) 
10:30 a.m.
Virasoro conjecture for GromovWitten Invariants.
Xiaobo Liu*, University of Notre Dame
(9695354) 
11:00 a.m.
Skew loops and quadric hypersurfaces.
Bruce Solomon*, Indiana University
Mohammad Ghomi, University of South Carolina
Serge Tabachnikov, Penn State University
(96953127)

8:30 a.m.

Saturday September 22, 2001, 8:30 a.m.4:30 p.m.
Exhibit and Book Sale
MW 724, Mathematics Tower (MW) 
Saturday September 22, 2001, 9:00 a.m.11:20 a.m.
Special Session on Group Theory, II
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

9:00 a.m.
From alternating groups to the Monster.
Christopher S Simons*, Rowan University
(9692053) 
9:30 a.m.
Ascending HNN extensions of polycyclic groups are residually finite.
Tim Hsu*, San Jos\'{e} State University
Daniel T Wise, McGill University
(96920205) 
10:00 a.m.
Short proofs of embeddings into exceptional groups of Lie type.
Alexander J Ryba*, Queens College, CUNY
(9692095) 
10:30 a.m.
$\mathbf Z_3$twisted representations of lattice vertex operator algebras.
Ching Hung Lam*, National Cheng Kung University, Taiwan
Hiromichi Yamada, Hitotsubashi University, Japan
(9691781) 
11:00 a.m.
Norton's trace formula for the Griess algebra and the modular invariance of the moonshine module.
Atsushi Matsuo*, Department of Mathematical Sciences, Graduate School of Mathematical Sciences, University of Tokyo
(96917108)

9:00 a.m.

Saturday September 22, 2001, 11:40 a.m.12:30 p.m.
Invited Address
``Fubini's nightmare" in smooth ergodic theory.
EA 160, Math Annex (EA)
Yakov B. Pesin*, Pennsylvania State University 
Saturday September 22, 2001, 2:00 p.m.2:50 p.m.
Invited Address
Pricing and Risk Management in Incomplete Markets.
EA 160, Math Annex (EA)
Thaleia Zariphopoulou*, University of Texas at Austin 
Saturday September 22, 2001, 3:00 p.m.4:45 p.m.
Special Session on Algebraic Cycles, Algebraic Geometry, III
UH 0151, University Hall (UH)
Organizers:
Roy Joshua, Ohio State University joshua@math.ohiostate.edu

Saturday September 22, 2001, 3:00 p.m.4:50 p.m.
Special Session on Coding Theory and Designs, III
UH 0090, University Hall (UH)
Organizers:
Tom Dowling, Ohio State University tdowling@math.ohiostate.edu
Dijen RayChaudhuri, dijen@math.ohiostate.edu

3:00 p.m.
Quasisymmetric Designs with Good Blocks and Intersection Number One.
V.C. Mavron, The University of Wales
T.P. McDonough, The University of Wales
M.S. Shrikhande*, Central Michigan University
(9690518) 
3:30 p.m.
Discussion 
4:00 p.m.
A Class of Polynomial Codes and a Family of Griesmer Codes.
Nuh Aydin*, The Ohio State University
Dijen K. RayChaudhuri, The Ohio State University
(9690520) 
4:30 p.m.
Products and Quotients of Association Schemes.
Sejeong Bang, POSTECH
Mitsugu Hirasaka, National Taiwan University
Sung Y Song*, Iowa State University
(96905111)

3:00 p.m.

Saturday September 22, 2001, 3:00 p.m.4:50 p.m.
Special Session on Commutative Algebra, III
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

3:00 p.m.
$S$Noetherian rings.
Daniel D Anderson*, The University of Iowa
Tiberiu Dumitrescu, Universitatea Bucure\c{s}ti
(9691363) 
3:30 p.m.
Another look at Nagata Type theorems.
Muhammad Zafrullah*, Idaho State University
(96913190) 
4:00 p.m.
The Effect of Characteristic on Computing the Integral Closure of a Ring.
Chad J McQuinn*, Purdue University
(96913245) 
4:30 p.m.
Integervalued polynomials and $p$adic analytic functions II.
Manjul Bhargava*, Clay Mathematics Institute/Princeton University
(96913256)

3:00 p.m.

Saturday September 22, 2001, 3:00 p.m.4:50 p.m.
Special Session on Cryptography and Computational and Algorithmic Number Theory, III
UH 0047, University Hall (UH)
Organizers:
Eric Bach, University of WisconsinMadison bach@cs.wisc.edu
Jonathan Sorenson, Butler University sorenson@butler.edu

3:00 p.m.
Ranks of quadratic twists of elliptic curves.
Alice Silverberg*, Ohio State University
(96911203) 
3:30 p.m.
Solving elliptic curve discrete logarithm problems using Weil descent.
Michael J Jacobson, University of Manitoba
Alfred J Menezes, University of Waterloo
Andreas Stein*, University of Illinois at UrbanaChampaign
(96994187) 
4:00 p.m.
Elliptic curve cryptography: the case of NIST P224.
Daniel J. Bernstein*, University of Illinois at Chicago
(96911148) 
4:30 p.m.
Analysis of the GHS Weil Descent Attack on the ECDLP over Characteristic Two Finite Fields of Compostite Degree.
Markus Maurer, University of Waterloo
Alfred J Menezes, Certicom Research & University of Waterloo
Edlyn E Teske*, University of Waterloo
(96911115)

3:00 p.m.

Saturday September 22, 2001, 3:00 p.m.4:50 p.m.
Special Session on Group Theory, III
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

3:00 p.m.
Characterization of some sradic simple groups.
Ronald M Solomon, The OSU
Inna Korchagina*, Rutgers University
(96920227) 
3:30 p.m.
Some nonsplit extensions of $O_7(3)$ and the ConwayNorton algebra for the Fischer group $F_{24}$.
Masaaki Kitazume*, Chiba University
(96920171) 
4:00 p.m.
Tensor product module and modular invariance of VOAs.
Miyamoto Masahiko*, University of Tsukuba
(96920118) 
4:30 p.m.
GNAVOA, I (Groups, nonassociative algebras and vertex operator algebras; part I).
Robert L. Griess, Jr.*, University of Michigan
(96920201)

3:00 p.m.

Saturday September 22, 2001, 3:00 p.m.4:45 p.m.
Special Session on $L^2$ Methods in Algebraic and Geometric Topology, III
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

3:00 p.m.
Coarse cohomology for foliations.
James L. Heitsch*, University of Illinois at Chicago
(9695856) 
4:00 p.m.
Discussion

3:00 p.m.

Saturday September 22, 2001, 3:00 p.m.4:50 p.m.
Special Session on Multivariate Generating Functions and Automatic Computation, II
BE 0136, Baker Systems Engineering (BE)
Organizers:
Robin Pemantle, Ohio State University pemantle@math.ohiostate.edu

3:00 p.m.
Multivariate generating functions from tiling problems.
James G Propp*, University of Wisconsin
(9690526) 
3:30 p.m.
Relax, but don't be too lazy.
Joris van der Hoeven*, CNRS, Universite ParisSud, Orsay, France
(9694078) 
4:30 p.m.
On the distribution of the number of Young tableaux for a uniformly random diagram.
Boris G Pittel*, Department of Mathematics, The Ohio State University
(96905100)

3:00 p.m.

Saturday September 22, 2001, 3:00 p.m.4:45 p.m.
Special Session on Proof Theory and the Foundations of Mathematics, III
BE 0291, Baker Systems Engineering (BE)
Organizers:
Timothy Carlson, Ohio State University carlson@math.ohiostate.edu

Saturday September 22, 2001, 3:00 p.m.4:50 p.m.
Special Session on Quantum Topology, III
BE 0285, Baker Systems Engineering (BE)
Organizers:
Thomas Kerler, Ohio State University kerler@math.ohiostate.edu

3:00 p.m.
Detecting Virtual Knots.
Louis H Kauffman*, University of Illinois at Chicago
(96957170) 
3:30 p.m.
Tracelike functionals on the double of the Taft Hopf algebras.
David E Radford*, University of Illinois at Chicago
Sara Westreich, BarIlan University
(9691676) 
4:00 p.m.
Subtleties of the integrals for Hopfalgebra objects in symmetric categories, and their reflection in topological invariants.
Fernando J. O. Souza*, Dept. of C. & O.  University of Waterloo
(96918259) 
4:30 p.m.
A Space of Cyclohedra.
Satyan L Devadoss*, Ohio State University
(96957134)

3:00 p.m.

Saturday September 22, 2001, 3:00 p.m.4:50 p.m.
Special Session on Rings and Modules, III
UH 0051, University Hall (UH)
Organizers:
S. K. Jain, Ohio University jain@bing.math.ohiou.edu
Tariq Rizvi, Ohio State University rizvi@math.ohiostate.edu

3:00 p.m.
$\Gamma$deviation and Localization of Lattices.
Toma Albu, University of Bucharest
Mark L Teply*, University of WisconsinMilwaukee
(96916175) 
3:30 p.m.
Embedding noetherian rings into artinian ones.
G\"unter R Krause*, University of Manitoba
(96916248) 
4:00 p.m.
Generalized Triangular Matrix Rings and FIExtending Property.
Gary F Birkenmeier, University of Louisiana at Lafayette
Jae Keol Park*, Busan National University
S. Tariq Rizvi, Ohio State University at Lima
(9691679) 
4:30 p.m.
Perfect, semiperfect, and semiregular rings relative to an ideal.
Mohamed F Yousif, Ohio State University at Lima
Yiqiang Zhou*, Memorial University of Newfoundland
(96916236)

3:00 p.m.

Saturday September 22, 2001, 3:00 p.m.4:50 p.m.
Special Session on Spectral Theory of Schr\"odinger Operators, III
BE 0130, Baker Systems Engineering (BE)
Organizers:
Boris Mityagin, Ohio State University borismit@math.ohiostate.edu
Sergei Novikov, University of Maryland novikov@ipst.umd.edu

3:00 p.m.
Reverse hypercontractivity and reverse logSobolev inequalities and all that.
Stephen B Sontz*, CIMAT, Guanajuato, Mexico
(96981178) 
3:30 p.m.
On the low eigenvalues of some Schr\"odinger operators containing curvature.
Evans M Harrell*, Georgia Institute of Technology
(96935249) 
4:00 p.m.
On the inverse scattering problem on branching graphs.
Pavel B Kurasov*, Dept. of Mathematics, Stockholm Univ.
(96947192) 
4:30 p.m.
Laplacian and Schr\"odinger operator on regular metric trees.
Jan Lang*, Charles University, Prague
(9694447)

3:00 p.m.

Saturday September 22, 2001, 3:00 p.m.4:50 p.m.
Special Session on Fractals, II
BE 0192, Baker Systems Engineering (BE)
Organizers:
Gerald Edgar, Ohio State University edgar@math.ohiostate.edu

3:00 p.m.
Exponential bases for Cantor measures.
Steen Pedersen*, Wright State University
(9694212) 
3:30 p.m.
Graphdirected iterated function systems with overlaps.
Manav Das, University of Louisville
SzeMan Ngai*, Georgia Southern University
(9692837) 
4:00 p.m.
Packing measure and dimension of random fractals.
Artemi Berlinkov, University of North Texas
Daniel R. Mauldin*, University of North Texas
(9696077) 
4:30 p.m.
Packing dimension in random recursive constructions.
Artemi Berlinkov*, University of North Texas
(9692899)

3:00 p.m.

Saturday September 22, 2001, 3:00 p.m.4:55 p.m.
Special Session on Differential Geometry and Applications, III
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

3:00 p.m.
Rigidity of differentiable structures of line arrangements in $CP^2$.
Stephen S. Yau*, UIC
(96914253) 
3:30 p.m.
Classification of flat surfaces with constant Kaehler angle in complex Euclidean plane.
BangYen Chen*, Michigan State University
(9695330) 
4:00 p.m.
On the Existence of Focal Points near Closed Geodesics on Surfaces.
Marlies Gerber*, Indiana University
(96953128) 
4:30 p.m.
Dirichlet Problem at Infinity for Open Manifolds with Big Ends.
Jianguo Cao*, Univerisity of Notre Dame
(9695324)

3:00 p.m.

Saturday September 22, 2001, 3:00 p.m.5:10 p.m.
Session for Contributed Papers
BE 0198, Baker Systems Engineering (BE)

3:00 p.m.
Behavior of Norms of Powers of Fourier Series.
George C. Stey*, The Ohio State University
(96942221) 
3:15 p.m.
Turning Capability of Normal operators.
Morteza Seddighin*, Indiana UniversityEast
(9694738) 
3:30 p.m.
Complex Projections of Real Veronese Varieties.
Adam Coffman*, Indiana University Purdue University Fort Wayne
(9693264) 
3:45 p.m.
Representing Hierarchies of Predicates.
Edward R Griffor*, ARDG (Algorithm Research and Design Group)
(9690311) 
4:00 p.m.
An Algorithm for Proving the Goldbach's Conjecture!
Vaidyanathan Jairaj*, Bangalore, India
(9691125) 
4:15 p.m.
Mathematics: More Art or Science?
G. Arthur Mihram*, Princeton, NJ
Danielle Mihram, Univ. of Southern California
(96903188) 
4:30 p.m.
The relation between the elementary solutions of the general third order and second ordrlinear differential equations.
Ali A Salim*, Ammancity center
(9693413) 
4:45 p.m.
Lifting Idempotents and Projective Covers.
Dinesh K Khurana*, Panjab University, Chandigarh (India)
(96916255) 
5:00 p.m.
Enumeration of permutations with forbidden templates.
YuanSheng Zhang*, University of Pennsylvania
(9690532)

3:00 p.m.

Saturday September 22, 2001, 5:10 p.m.6:00 p.m.
Invited Address
On the geometric Langlands conjecture.
EA 160, Math Annex (EA)
Dennis Gaitsgory*, Harvard University 
Saturday September 22, 2001, 6:00 p.m.8:00 p.m.
Reception (Sponsored by the Department of Mathematics)
MW 724, Mathematics Tower (MW)
Sunday September 23, 2001

Sunday September 23, 2001, 8:30 a.m.12:20 p.m.
Special Session on Group Theory, IV
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

8:30 a.m.
On finite pgroups and their automorphisms.
Jeffrey M Riedl*, University of Akron
(96920133) 
9:00 a.m.
Finite groups with trivial Frattini subgroup.
LuiseCharlotte Kappe*, SUNY at Binghamton
Joseph Kirtland, Marist College
(9692049) 
9:30 a.m.
Pronormal and Subnormal Subgroups and Permutability.
James Clark Beidleman*, University of Kentucky
Hermann Heineken, Universit\"{a}t of W\"{u}rzburg
(9692022) 
10:00 a.m.
Fitting Set Functors.
Ben Brewster*, SUNY at Binghamton
(9692083) 
10:30 a.m.
Commutators ..... what's the problem?
Ted Hurley*, NUI, Galway
(9692016) 
11:00 a.m.
Permutation groups, sharp characters and the Burnside ring.
Kenneth W Johnson*, Penn State University, Abington College
Eirini Poimenidou, New College USF
(96920136) 
11:30 a.m.
Separability properties of certain tree products.
G. Kim, Yeungnam University, Korea.
Francis C Tang*, University of Waterloo, Canada.
(9692097) 
12:00 p.m.
The Zassenhaus Decomposition for the Orthogonal Group: Properties and Applications.
Alexander J Hahn*, University of Notre Dame
(9692045)

8:30 a.m.

Sunday September 23, 2001, 9:00 a.m.11:45 a.m.
Special Session on Algebraic Cycles, Algebraic Geometry, IV
UH 0151, University Hall (UH)
Organizers:
Roy Joshua, Ohio State University joshua@math.ohiostate.edu

9:00 a.m.
Relative ChowK\"unneth projectors for modular varieties.
B. Brent Gordon*, University of Oklahoma
Masaki Hanamura, Kyushu University
Jacob P Murre, Leiden University
(96914119) 
10:00 a.m.
KatoSomekawa $K$groups and higher Chow groups of zerocycles.
Reza Akhtar*, Miami University
(96914196) 
11:00 a.m.
Goncharov relations in Bloch's higher Chow group $CH^3(F,5)$.
Jianqiang Zhao*, University of Pennsylvania
(96914102)

9:00 a.m.

Sunday September 23, 2001, 9:00 a.m.11:50 a.m.
Special Session on Commutative Algebra, IV
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

9:00 a.m.
Determinative sets of valuations for affine algebras.
Bruce M Olberding*, The University of Louisiana at Monroe
(96913189) 
9:30 a.m.
Elasticity of $A+XI[X]$ domains.
Nathalie Gonzalez, Universite d'AixMarseille 3
Sebastien Pellerin*, Universite d'AixMarseille 3
Richard Robert, Universite d'AixMarseille 3
(96913174) 
10:00 a.m.
Example of an interpolation domain.
David C Lantz*, Colgate University
(9691352) 
10:30 a.m.
Strongly TwoGenerated Ideals in Rings of IntegerValued Polynomials Determined by Finite Sets.
William W Smith*, University of North Carolina at Chapel Hill
Scott T Chapman, Trinity University
Alan Loper, Ohio State University  Newark
(9691333) 
11:00 a.m.
Ultraproducts of Commutative Rings.
Bruce Olberding, University of Louisiana at Monroe
Azime S Saydam*, University of Louisiana at monroe
(96913113) 
11:30 a.m.
Separation of points by integervalued polynomials.
Sophie Frisch*, TU Graz (Austria)
(96913258)

9:00 a.m.

Sunday September 23, 2001, 9:00 a.m.11:50 a.m.
Special Session on Cryptography and Computational and Algorithmic Number Theory, IV
UH 0047, University Hall (UH)
Organizers:
Eric Bach, University of WisconsinMadison bach@cs.wisc.edu
Jonathan Sorenson, Butler University sorenson@butler.edu

9:00 a.m.
Computations Related to Catalan's Conjecture.
Jon Grantham*, IDA/CCS
Ferrell Wheeler, IDA/CCS
(96911217) 
9:30 a.m.
Use of homomorphisms in cryptosystems.
Jee H Koh*, Indiana University
(96911139) 
10:00 a.m.
Break 
10:30 a.m.
Local Zeta functions, Trees and OneWay Functions.
W. A. ZunigaGalindo*, Barry University, Department of Mathematics and Computer Science
(9691146) 
11:00 a.m.
Is there a shortage of primes for cryptography?
Samuel S Wagstaff*, Purdue University
(9691173) 
11:30 a.m.
Discussion

9:00 a.m.

Sunday September 23, 2001, 9:00 a.m.11:45 a.m.
Special Session on $L^2$ Methods in Algebraic and Geometric Topology, IV
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

9:00 a.m.
$L^2$cohomology of buildings.
Jan Dymara*, The Ohio State University and Wroclaw University
Tadeusz Januszkiewicz, Wroclaw University
(96920112) 
10:00 a.m.
$L^2$homology of rightangled Coxeter groups.
Michael W Davis, The Ohio State University
Okun L Boris*, University of Wisconsin, Milwaukee
(96957207) 
11:00 a.m.
L2torsion (a survey).
Dan Burghelea*, Ohio State University
(96957254)

9:00 a.m.

Sunday September 23, 2001, 9:00 a.m.10:50 a.m.
Special Session on Multivariate Generating Functions and Automatic Computation, III
BE 0136, Baker Systems Engineering (BE)
Organizers:
Robin Pemantle, Ohio State University pemantle@math.ohiostate.edu

9:00 a.m.
Rabin's Irreducibility Test for Polynomials over Finite Fields.
Daniel Panario, Carleton University
Boris Pittel, Ohio State
Bruce Richmond*, University of Waterloo
Alfredo Viola, Universidad de la Repuplica
(9690569) 
9:30 a.m.
Linear recurrences with constant coefficients: the multivariate case.
Mireille BousquetMelou*, LaBRI, Universite Bordeaux 1
(9693962) 
10:30 a.m.
Parameter varying FourierLaplace integrals: some ``2 to 3 degenerate case'' applications.
Manuel E Lladser*, Columbus, Ohio
(9690586)

9:00 a.m.

Sunday September 23, 2001, 9:00 a.m.12:20 p.m.
Special Session on Proof Theory and the Foundations of Mathematics, IV
BE 0291, Baker Systems Engineering (BE)
Organizers:
Timothy Carlson, Ohio State University carlson@math.ohiostate.edu

9:00 a.m.
Higher recursion in proof theory.
Michael M\"ollerfeld*, Institute for Mathematical Logic, WWU M\"unster
(96903156) 
10:00 a.m.
Muchnik Degrees of $\Pi^0_1$ Subsets of $2^\omega$.
Stephen G. Simpson*, Penn State University
(96903183) 
11:00 a.m.
Propositions as [bracket] types.
Steve Awodey*, Carnegie Mellon University
(96903105) 
12:00 p.m.
Proofs in Infinitesimal Analysis.
Rick Sommer*, Stanford University
(96903257)

9:00 a.m.

Sunday September 23, 2001, 9:00 a.m.11:50 a.m.
Special Session on Quantum Topology
BE 0285, Baker Systems Engineering (BE)
Organizers:
Thomas Kerler, Ohio State University kerler@math.ohiostate.edu

9:00 a.m.
The noncommutative Aideal of a (2p+1,2)torus knot determines its Jones polynomial.
Razvan Gelca*, Texas Tech University
Jeremy Sain, Texas Tech University
(9695771) 
9:30 a.m.
Links and 3manifolds with the same quantum invariants.
Yongwu Rong*, George Washington University
(96957125) 
10:00 a.m.
Integrality and TQFT.
Patrick M Gilmer*, Louisiana State University
(96957160) 
10:30 a.m.
Break 
11:00 a.m.
Twisted Quandle Homology Theory and Construction of Cocycles.
J. Scott Carter*, University of South Alabama
Mohamed Elhamdadi, University of South Florida
Masahico Saito, University of South Florida
(96955145) 
11:30 a.m.
Extensions of quandles and cocycle knot invariants.
J. Scott Carter, University of South Alabama
Mohamed Elhamdadi, University of South Florida
Marina A Nikiforou, University of South Florida
Masahico Saito*, University of South Florida
(96957144)

9:00 a.m.

Sunday September 23, 2001, 9:00 a.m.12:50 p.m.
Special Session on Rings and Modules, IV
UH 0051, University Hall (UH)
Organizers:
S. K. Jain, Ohio University jain@bing.math.ohiou.edu
Tariq Rizvi, Ohio State University rizvi@math.ohiostate.edu

9:00 a.m.
Modules and Equations.
John Dauns*, Tulane University
(9691684) 
9:30 a.m.
Uniform Injective Modules Over Valuation Rings.
Franco Guerriero*, Ohio UniversityLancaster
Bruno J Mueller, McMaster University
(96916202) 
10:00 a.m.
Semiprime Finitely $\sum $CS Group Algebras.
S. K. Jain, Ohio University
Pramod Kanwar*, Ohio UniversityZanesville
J. B. Srivastava, Indian Institute of Technology
(96916219) 
10:30 a.m.
Modules with annihilator conditions.
Nanqing Ding*, Nanjing University, Nanjing, China
Mohamed F. Yousif, The Ohio State University at Lima
Yiqiang Zhou, Memorial University of Newfoundland
(96916240) 
11:00 a.m.
Graded almost noetherian algebras. Application to coalgebras.
Constantin Nastasescu*, University of Bucharest
(96916251) 
11:30 a.m.
On rings with ascending chain condition on right annihilators.
Yasuyuki Hirano*, Okayama University
(96916206) 
12:00 p.m.
Operators on the big lattice of preradicals.
Francisco F Raggi*, Universidad Nacional Autonoma de M\'exico
(96916252) 
12:30 p.m.
On The Structure of Transitive Witt Rootsystems (Preliminary Report).
Mohammad Q. Hailat*, Jordan University of Science and Technology (JUST)
(9691798)

9:00 a.m.

Sunday September 23, 2001, 9:00 a.m.11:25 a.m.
Special Session on Differential Geometry and Applications, IV
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

9:00 a.m.
Harmonic functions on manifolds of nonnegative Ricci curvature.
Harold G Donnelly*, Purdue University
(9695823) 
9:30 a.m.
Regularity of holomorphic and harmonic functions.
Peter Li, University of California, Irvine
Jiaping Wang*, University of Minnesota
(9695861) 
10:00 a.m.
Manifolds with quadratic curvature decay.
John W Lott*, University of Michigan
(9695321) 
10:30 a.m.
Compact Homogeneous Spaces with an Exponential Growth of Geodesics Joining Two Points.
Gabriel P Paternain, Cambridge University
Leo T Butler*, Northwestern University
(96958143) 
11:00 a.m.
Stable ergodicity and frame flows.
Keith Burns*, Northwestern University
(96937243)

9:00 a.m.

Sunday September 23, 2001, 9:30 a.m.11:20 a.m.
Special Session on Coding Theory and Designs, IV
UH 0090, University Hall (UH)
Organizers:
Tom Dowling, Ohio State University tdowling@math.ohiostate.edu
Dijen RayChaudhuri, dijen@math.ohiostate.edu

9:30 a.m.
The current status of the lambdadesign conjecture.
\'Akos Seress*, The Ohio State University, Columbus, Ohio
(96905104) 
10:30 a.m.
Maximal arcs in projective threespaces and doubleerrorcorrecting cyclic codes.
Qing Xiang*, University of Delaware
Henk D. L. Hollmann, Philips Research Labs
(9690567) 
11:00 a.m.
Perfect Codes and Balanced Generalized Weighing Matrices.
Vladimir D Tonchev*, Michigan Technological University
(9690510)

9:30 a.m.