AMS Sectional Meeting Full Program
Current as of Tuesday, April 12, 2005 15:10:30
2003 Spring Central Section Meeting
Bloomington, IN, April 46, 2003
Meeting #985
Associate secretaries: Susan J Friedlander, AMS susan@math.northwestern.edu
Friday April 4, 2003

Friday April 4, 2003, 12:15 p.m.4:00 p.m.
Meeting Registration
Conference Lounge, Indiana Memorial Union 
Friday April 4, 2003, 12:15 p.m.4:00 p.m.
Exhibit and Book Sale
Distinguished Alumni Room, Indiana Memorial Union 
Friday April 4, 2003, 2:00 p.m.5:30 p.m.
Special Session on Holomorphic Dynamics, I
Room 135, Ballantine Hall
Organizers:
Eric D. Bedford, Indiana University bedford@indiana.edu
Kevin M. Pilgrim, Indiana University pilgrim@indiana.edu

2:00 p.m.
On the complexity of some birational transformations.
JeanMarie Maillard*, Universite Pierre et Marie Curie,
(98537217) 
3:00 p.m.
Plane birational maps and subshifts.
Eric Bedford, Indiana University
Jeffrey Diller*, University of Notre Dame
(9853764) 
4:00 p.m.
Critical points in the dynamics of regular polynomial endomorphisms of $\mathbb{C}^2$.
Malgorzata S. Stawiska*, Purdue University
(98532176) 
5:00 p.m.
Discussion

2:00 p.m.

Friday April 4, 2003, 2:00 p.m.5:30 p.m.
Special Session on Geometric Topology, I
Room 221, Ballantine Hall
Organizers:
Paul A. Kirk, Indiana University pkirk@indiana.edu
Charles Livingston, Indiana University livingst@indiana.edu

2:00 p.m.
The topology of symplectic 4manifolds with circle actions.
Scott Baldridge*, Indiana University
(98557341) 
3:00 p.m.
Rohlin's invariant and $4$dimensional gauge theory.
Daniel Ruberman*, Brandeis University
Nikolai Saveliev, University of Miami
(98557266) 
4:00 p.m.
Discussion 
5:00 p.m.
New obstructions to doubly slicing knots.
Taehee Kim*, Indiana University, Bloomington
(98557189)

2:00 p.m.

Friday April 4, 2003, 2:00 p.m.5:20 p.m.
Special Session on Probability, I
Sassafras Room, Indiana Memorial Union
Organizers:
Russell D. Lyons, Indiana University rdlyons@indiana.edu
Robin A. Pemantle, Ohio State University pemantle@math.ohiostate.edu

2:00 p.m.
Minimal Spanning Trees: Recent Consequences of Combinatorial and Objective Methods.
J. Michael Steele*, University of Pennsylvania
(98560179) 
3:00 p.m.
Phase transitions in phylogeny.
Elchanan Mossel*, U.C. Berkeley
(9856097) 
3:30 p.m.
Break 
4:00 p.m.
Random weighting, asymptotic counting and inverse isoperimetry.
Alexander Barvinok*, University of Michigan
(9850570) 
5:00 p.m.
Average case analysis of Gosper's algorithm.
Olgica Milenkovic*, Electrical and Computer Engineering Department, Un
(98560114)

2:00 p.m.

Friday April 4, 2003, 2:00 p.m.5:10 p.m.
Special Session on Applications of Teichm\u"ller Theory to Dynamics and Geometry, I
Room 244, Ballantine Hall
Organizers:
Christopher M. Judge, Indiana University cjudge@indiana.edu
Matthias Weber, Indiana University matweber@indiana.edu

2:00 p.m.
Moduli Spaces of Flat Structures in Minimal Surface Theory.
Michael Wolf*, Rice University
(98532311) 
3:00 p.m.
Veech Surfaces and Complete Periodicity in Genus 2.
Kariane Calta*, University of Chicago
(98537256) 
3:30 p.m.
Flat Structures and Soap Films.
Robert Huff*, Rice University
(98551178) 
4:30 p.m.
Surfaces of infinite type with free automorphism groups.
Reza Chamanara*, IU, Bloomington
(98551252)

2:00 p.m.

Friday April 4, 2003, 2:00 p.m.5:20 p.m.
Special Session on Recent Trend in the Analysis and Computations of Functional Differential
Maple Room, Indiana Memorial Union
Organizers:
Paul W. Eloe, University of Dayton paul.eloe@notes.udayton.edu
Qin Sheng, University of Dayton qin.sheng@notes.udayton.edu

2:00 p.m.
Generalized partially relaxed pseudomonotone variational inequalities and general auxiliary problem principle.
Ram U Verma*, University of Toledo
(9854905) 
2:30 p.m.
Approximations of FrobeniusPerron Operators via Interpolation.
Jiu Ding*, University of Southern Mississippi
Noah Rhee, University of Missouri at Kansas City
(9856538) 
3:00 p.m.
Envelope Norm in $L_p$ Space.
Simei Tong*, University of WisconsinEau Claire
Dale E. Alspach, Oklahoma State University
(9854611) 
3:30 p.m.
Break 
4:00 p.m.
The Helmholtz, Weyl Composition Equation.
Louis Fishman*, MDF International
(98535140) 
4:30 p.m.
Higherorder threepoint boundaryvalue problems for functional differential equations.
Douglas R. Anderson*, Concordia College
(9853449) 
5:00 p.m.
A splitting approach for twodimensional sineGordon equations.
Qin Sheng*, University of Dayton
Abdul Khaliq, Western Illinois University
David Voss, Western Illinois University
(98565258)

2:00 p.m.

Friday April 4, 2003, 2:00 p.m.5:20 p.m.
Special Session on Graph and Design Theory, I
Room 242, Ballantine Hall
Organizers:
Atif A. Abueida, University of Dayton Atif.Abueida@notes.udayton.edu
Mike Daven, Mount Saint Mary College daven@msmc.edu

2:00 p.m.
Discussion 
2:30 p.m.
Perfect colorings of hypercubes.
Dima FonDerFlaass*, Institute of Mathematics (Novosibirsk); University
(98505153) 
3:00 p.m.
List partition problem for graphs.
Kathie Cameron, Wilfrid Laurier University
Elaine Eschen, West Viriginia Univeristy
Chinh T. Hoang, Wilfrid Laurier University
R. Sritharan*, The University of Dayton
(98568139) 
3:30 p.m.
Parameter inequalities for orthogonal arrays with mixed levels.
Wiebke S Diestelkamp*, University of Dayton
(9850582) 
4:00 p.m.
Radiochromatic numbers for triangular strips and planar grids.
Allen J. Schwenk*, Western Michigan University
(9850557) 
4:30 p.m.
Fractional design theory.
Matthew P Walsh*, IndianaPurdue Fort Wayne
(9850525) 
5:00 p.m.
Some Upper Bounds on the Breadth of Convex Subset Lattices in Multipartite Tournaments.
Darren B Parker*, University of Dayton
Randall F Westhoff, Bemidji State University
Marty J Wolf, Bemidji State University
(98505216)

2:00 p.m.

Friday April 4, 2003, 2:00 p.m.5:15 p.m.
Special Session on Representations of Infinite Dimensional Lie Algebras and Mathematical Physics, I
Room 007, Woodburn Hall
Organizers:
Katrina Deane Barron, University of Notre Dame kbarron@nd.edu
Rinat Kedem, University of Illinois, UrbanaChampaign rinat@math.uiuc.edu

2:00 p.m.
KazhdanLusztig tensoring, affine HarishChandra categories, and Jacquet functors.
Milen Yakimov*, Cornell University
(98522170) 
3:00 p.m.
Quantum Vertex Algebras.
Iana I Anguelova*, UIUC
(98581281) 
3:30 p.m.
Bases of representations of type A affine Lie algebras via quiver varieties and statistical mechanics.
Igor B Frenkel, Yale University
Alistair Savage*, Yale University
(98517110) 
4:00 p.m.
Schiffer Variation in Teichm\"uller Space and Determinant Line Bundles.
David Radnell*, Rutgers University
YiZhi Huang, Rutgers University
(98532243) 
4:30 p.m.
Chiral rings of vertex algebras of mirror symmetry.
Lev A Borisov*, University of Wisconsin, Madison
(9851441)

2:00 p.m.

Friday April 4, 2003, 2:00 p.m.5:20 p.m.
Special Session on Extremal Combinatorics, I
Room 204, Ballantine Hall
Organizers:
Dhruv Mubayi, University of Illinois at Chicago mubayi@math.uic.edu
Jozef Skokan, University of Illinois at UrbanaChampaign jozef@math.uiuc.edu

2:00 p.m.
Lower bound on the profile of degree pairs in crossintersecting systems.
Zsuzsanna Szaniszlo*, Valparaiso University
Zsolt Tuza, Computer and Automation Institute, Hungarian Acade
(9850527) 
2:30 p.m.
Searching for Dense Graphs without 8cycles.
Vasyl Dmytrenko*, University of Delaware
Felix Lazebnik, University of Delaware
(98505213) 
3:00 p.m.
Strong Colouring.
P E Haxell*, University of Waterloo
(98505282) 
3:30 p.m.
On incomparable and uncomplemented families of finite sets.
Yuejian Peng*, Indiana State University
Cheng Zhao, Indiana State University
(98505334) 
4:00 p.m.
On the chromatic number of intersection graphs of convex sets in the plane.
SeogJin Kim*, University of Illinois at UrbanaChampaign
Alexandr Kostochka, University of Illinois at UrbanaChampaign
Kittikorn Nakprasit, University of Illinois at UrbanaChampaign
(98505165) 
4:30 p.m.
Polychromatic cliques and related questions.
Ryan R. Martin*, Carnegie Mellon University
Tom Bohman, Carnegie Mellon University
Alan Frieze, Carnegie Mellon University
Miklos Ruszinko, Computer and Automation Research Institute, Hungarian Academy of Sciences
Cliff Smyth, Carnegie Mellon University
(98505269) 
5:00 p.m.
On Hypergraphs of Girth Five.
Felix Lazebnik*, Department of Mathematical Sciences, University of Delaware
Jacques Verstra\" ete, Theory Group, Microsoft Research
(98505223)

2:00 p.m.

Friday April 4, 2003, 2:00 p.m.5:15 p.m.
Special Session on Cryptography and Computational and Algorithmic Number Theory, I
Room 004, Woodburn Hall
Organizers:
Joshua Holden, RoseHulman Institute of Technology holden@rosehulman.edu
John Rickert, RoseHulman Institute of Technology john.rickert@rosehulman.edu
Jonathan Sorenson, Butler University sorenson@butler.edu
Andreas Stein, University of Illinois at UrbanaChampaign andreas@math.uiuc.edu

2:00 p.m.
On fixed points for discrete logarithms.
Mariana Campbell*, University of Pennsylvania
Carl Pomerance, Bell Laboratories, Lucent Technologies
(98511261) 
2:30 p.m.
A note on the RamanujanNagell equation.
Emanuel Herrmann, Universitat des Saarlandes
Florian Luca, Instituto de Matematicas UNAM
P. G. Walsh*, University of Ottawa
(9851131) 
3:00 p.m.
Break 
3:30 p.m.
Randomized primality proving in essentially quartic time.
Daniel J. Bernstein*, University of Illinois at Chicago
(98511210) 
4:30 p.m.
Primality testing with Gaussian periods.
H. W, Lenstra, Jr., University of California at Berkeley and Leiden University
Carl Pomerance*, Bell Labs, Lucent Technologies
(98511287)

2:00 p.m.

Friday April 4, 2003, 2:00 p.m.4:20 p.m.
Special Session on Codimension One Splittings of Manifolds, I
Room 236, Ballantine Hall
Organizers:
James F. Davis, Indiana University jfdavis@indiana.edu
Andrew A. Ranicki, University of Edinburgh aar@maths.ed.ac.uk

2:00 p.m.
A Calculation of $UNil_3 (\mathbb{Z})$ via Twisted $Q$Groups.
Markus Banagl*, University of Cincinnati
Andrew A Ranicki, University of Edinburgh
(9855773) 
2:30 p.m.
Splitting the Whitehead space of some manifolds.
Ross E Staffeldt*, New Mexico State University
(98555183) 
3:00 p.m.
Twisted doubles of stable thickenings.
D J Crowley*, State College
(98557255) 
3:30 p.m.
Some Computations of lower Ktheory of Virtually Cyclic Groups.
Jim Davis, Indiana University, Bloomington
Bogdan Vajiac*, Indiana University, Northwest
(98519238) 
4:00 p.m.
The Surgery Obstruction Groups of the Infinite Dihedral Group.
Frank X. Connolly*, University of Notre Dame
James F. Davis, Indiana University
(98557335)

2:00 p.m.

Friday April 4, 2003, 2:00 p.m.5:20 p.m.
Special Session on Stochastic Analysis with Applications, I
Oak Room, Indiana Memorial Union
Organizers:
Jin Ma, Purdue University majin@math.purdue.edu
Frederi Viens, Purdue University viens@stat.purdue.edu

2:00 p.m.
Liquidity risk and arbitrage pricing theory.
Philip Protter*, Cornell University
Umut Cetin, Cornell University
Robert Jarrow, Cornell University
(98560161) 
3:00 p.m.
Optimal portfolio for an Insider.
Yaozhong Hu*, University of Kansas
(98560125) 
3:30 p.m.
Hedging Claims with Feedback Jumps in the Price Process.
Kiseop Lee*, University of Louisville
(9856069) 
4:00 p.m.
PrincipalAgent Problems in Continuous Time.
Jaksa Cvitanic*, USC, Los Angeles
(98590142) 
5:00 p.m.
Optimal momentum hedging via hypoelliptic reduced MongeAmp\`ere PDEs and a new paradigm for pricing options.
Srdjan Stojanovic*, University of Cincinnati
(9856043)

2:00 p.m.

Friday April 4, 2003, 2:30 p.m.4:55 p.m.
Special Session on Algebraic Topology, I
Room 214, Ballantine Hall
Organizers:
Randy McCarthy, University of Illinois, UrbanChampaign randy@math.uiuc.edu
Ayelet Lindenstrauss, Indiana University ayelet@math.indiana.edu

2:30 p.m.
Characteristic classes for real representations in connective Ktheory.
Robert R. Bruner*, Wayne State University
(98555128) 
3:00 p.m.
The Algebra of Stable Operations in $p$local $K$theory.
Francis W Clarke*, University of Wales Swansea
Martin D Crossley, University of Wales Swansea
Sarah Whitehouse, University of Sheffield
(9855532) 
3:30 p.m.
General linear group homology.
Marian F. Anton*, University of Kentucky
(9855586) 
4:00 p.m.
On THH and TAQ of commutative $S$algebras.
Vahagn Minasian*, University of Illinois at Urbana Champaign
Randy McCarthy, University of Illinois at Urbana Champaign
(9855591) 
4:30 p.m.
Localization of Geometric Invariants.
Bruce Williams*, University of Notre Dame
(9855587)

2:30 p.m.

Friday April 4, 2003, 3:00 p.m.4:50 p.m.
Special Session on Ergodic Theory and Dynamical Systems, I
Room 006, Ballantine Hall
Organizers:
Roger L. Jones, DePaul University rjones@condor.depaul.edu
Ayse A. Sahin, DePaul University asahin@condor.depaul.edu

3:00 p.m.
Predictability in Ergodic Theory.
Joseph Rosenblatt*, University of Illinois at UrbanaChampaign
(98528135) 
3:30 p.m.
Besicovitch weights and the necessity of the duality restriction for a.e. convergence of weighted ergodic averages.
Ciprian Demeter*, University of Illinois at Urbana Champaign
(98537205) 
4:00 p.m.
Some results and questions on Besicovitch and Return Times weights in the pointwise ergodic theorem.
James H Olsen*, North Dakota State University
(98528138) 
4:30 p.m.
Optimal weights for moving averages and differentiation operators.
Parthena Avramidou*, University of Illinois at UrbanaChampaign
(98537286)

3:00 p.m.

Friday April 4, 2003, 3:00 p.m.4:50 p.m.
Special Session on Weak Dependence in Probability and Statistics, I
Walnut Room, Indiana Memorial Union
Organizers:
Richard C. Bradley, Indiana University bradleyr@indiana.edu
Lanh T. Tran, Indiana University tran@indiana.edu

3:00 p.m.
On some results of Rosenblatt.
Richard C. Bradley*, Indiana University
(9856007) 
3:30 p.m.
Interest Rate Explosions in HJM Models.
Victor W. Goodman*, Indiana University, Bloomington, IN
(98560130) 
4:00 p.m.
Moment Generating Function of the inverse of integral of Geometric Brownian Motion.
Kyounghee Kim*, Indiana University, Bloomington, IN
(9856083) 
4:30 p.m.
Weak Dependence in Biology.
Elizabeth Ann Housworth*, Indiana University
(9859254)

3:00 p.m.

Friday April 4, 2003, 3:00 p.m.5:20 p.m.
Special Session on Differential Geometry, I
Room 140, Ballantine Hall
Organizers:
Jiri Dadok, Indiana University dadok@indiana.edu
Bruce Solomon, Indiana University solomon@indiana.edu
JiPing Sha, Indiana university jsha@indiana.edu

3:00 p.m.
Navigation in Riemannian Spaces.
Zhongmin Shen*, Indiana University Purdue University Indianapolis
(98553185) 
3:30 p.m.
Soliton surfaces in the mechanical equilibrium of closed membranes.
Brian Smyth*, University of Notre Dame
(98553293) 
4:00 p.m.
Universal Equations In GromovWitten Invariants.
Xiaobo Liu*, Univ. of Notre Dame
(98553270) 
4:30 p.m.
A Theorem of Dominguez Implies a Theorem of Gromov.
Richard H Escobales*, Canisius College
(9855321) 
5:00 p.m.
Spectral Bounds on Orbifold Isotropy.
Elizabeth A. Stanhope*, University of Michigan
(9855320)

3:00 p.m.

Friday April 4, 2003, 3:30 p.m.5:15 p.m.
Special Session on Harmonic Analysis in the 21st Century, I
Hoosier Room, Indiana Memorial Union
Organizers:
Winston C. Ou, Indiana University wou@indiana.edu
Alberto Torchinsky, Indiana University torchins@indiana.edu

3:30 p.m.
Uniqueness for multiple trigonometric and Walsh series with convergent rearranged square partial sums.
J. Marshall Ash*, DePaul University
Sh. T. Tetunashvili, Georgian Techn. Univer.
(9854281) 
4:30 p.m.
A formula for the Fourier transform of certain odd, differentiable functions.
Ryan Berndt*, University of Minnesota
(9854272)

3:30 p.m.

Friday April 4, 2003, 5:40 p.m.6:30 p.m.
Invited Address
Prime values of polynomials.
Room 013, Ballantine Hall
Brian D. Conrad*, University of Michigan
(9851102)
Saturday April 5, 2003

Saturday April 5, 2003, 8:00 a.m.4:00 p.m.
Meeting Registration
Conference Lounge, Indiana Memorial Union 
Saturday April 5, 2003, 8:00 a.m.4:00 p.m.
Exhibit and Book Sale
Distinguished Alumni Room, Indiana Memorial Union 
Saturday April 5, 2003, 8:30 a.m.11:15 a.m.
Special Session on Holomorphic Dynamics, II
Room 135, Ballantine Hall
Organizers:
Eric D. Bedford, Indiana University bedford@indiana.edu
Kevin M. Pilgrim, Indiana University pilgrim@indiana.edu

8:30 a.m.
Cremer Fixed Points and Small Cycles.
Lia Petracovici*, University of Illinois at UrbanaChampaign
(9853713) 
9:00 a.m.
Topological Models of Simple Siegel Disk Type Realization and Rigidity.
Gaofei Zhang*, The City University of New York
(9853733) 
9:30 a.m.
Birational involutions associated with geometric cluster algebras.
Michael Gekhtman*, University of Notre Dame
Michael Shapiro, Michigan State University
Alek Vainshtein, University of Haifa
(98551149) 
10:30 a.m.
KupkaSmale theorem and heteroclinic intersections for Henon maps.
Gregery T. Buzzard*, Purdue University
Suzanne Lynch Hruska, SUNY Stony Brook
Yulij Ilyashenko, Cornell University
(98532145)

8:30 a.m.

Saturday April 5, 2003, 8:30 a.m.11:15 a.m.
Special Session on Geometric Topology, II
Room 246, Ballantine Hall
Organizers:
Paul A. Kirk, Indiana University pkirk@indiana.edu
Charles Livingston, Indiana University livingst@indiana.edu

8:30 a.m.
Bifurcations, Symmetry, and $SU(n)$ Gauge Theory.
Christopher M Herald*, University of Nevada, Reno
(98557159) 
9:30 a.m.
Normal Surface Theory, Character Varieties and Quantum Invariants.
Charles D Frohman*, The University of Iowa
(9855745) 
10:30 a.m.
A cutandpaste approach to contact topology.
Ko Honda, USC
William H. Kazez*, UGA
Gordana Matic, UGA
(98557214)

8:30 a.m.

Saturday April 5, 2003, 8:30 a.m.11:20 a.m.
Special Session on Particle Models and Their Fluid Limits, I
Redbud Room, Indiana Memorial Union
Organizers:
Robert T. Glassey, Indiana University glassey@indiana.edu
David C. Hoff, Indiana University hoff@indiana.edu

8:30 a.m.
On A Class of Parabolic Equations with Nonlocal Boundary Conditions.
HongMing Yin*, Washington State University
(9853562) 
9:00 a.m.
Cosmology, Black Holes, and Shock Waves Beyond the Hubble Length.
Joel A Smoller*, Univ. of Michigan
(9858366) 
9:30 a.m.
On Steady States in Galactic Dynamics.
Jack W Schaeffer*, Carnegie Mellon University
(9853577) 
10:00 a.m.
Break 
10:30 a.m.
Initial Boundary Value Problem in Plasmas.
Marshall Slemrod*, University of WisconsinMadison
(9853567) 
11:00 a.m.
Approximation of the VlasovPoissonFokkerPlanck System by a Deterministic Particle Method.
Stephen Wollman*, College of Staten Island, CUNY
Ercument Ozizmir, College of Staten Island, CUNY
(9856576)

8:30 a.m.

Saturday April 5, 2003, 8:30 a.m.11:20 a.m.
Special Session on Mathematical and Computational Problems in Fluid Dynamics and Geophysical Fluid Dynamics, I
Persimmon Room, Indiana Memorial Union
Organizers:
Roger Temam, Indiana University temam@indiana.edu
Shouhong Wang, Indiana University showang@indiana.edu

8:30 a.m.
Theory and applications of initialboundaryvalue problems for nonlinear wave equations.
Jerry Bona*, University of Illinois at Chicago
(98535338) 
9:00 a.m.
Decomposing Atmospheric Weather Patterns.
Paul K. Newton*, University of Southern California
(98576160) 
9:30 a.m.
SmallRossby Number Asymptotics in Rotating Fluid Systems.
Djoko Wirosoetisno*, Indiana University
(98576276) 
10:00 a.m.
Break 
10:30 a.m.
Instabilities in the Quasi Geostrophic Equation.
Susan Friedlander*, U of IllinoisChicago
(98576127) 
11:00 a.m.
Energy budgets in CharneyHasegawaMima and surface quasigeostrophic turbulence.
Chuong V Tran*, University of Alberta
John C Bowman, University of Alberta
(98576257)

8:30 a.m.

Saturday April 5, 2003, 8:30 a.m.11:10 a.m.
Special Session on Operator Algebras and Free Probability, I
Room 215, Ballantine Hall
Organizers:
Hari Bercovici, Indiana University bercovic@indiana.edu
Marius Dadarlat, Purdue University mdd@math.purdue.edu

8:30 a.m.
Connes' Embedding Problem, Lance's WEP and the Noncommutative StoneWeierstrass Problem.
Nate Brown*, Penn State University
(9854661) 
9:30 a.m.
Invariant subspaces for operators modeled by certain upper triangular random matrices.
Ken Dykema*, Texas A&M University
Uffe Haagerup, University of Southern Denmark
(98547231) 
10:30 a.m.
On Voiculescu's nonmicrostates free entropy.
Dimitri Y Shlyakhtenko*, UCLA
(98546151)

8:30 a.m.

Saturday April 5, 2003, 8:30 a.m.11:15 a.m.
Special Session on Applications of Teichm\u"ller Theory to Dynamics and Geometry,II
Room 247, Ballantine Hall
Organizers:
Christopher M. Judge, Indiana University cjudge@indiana.edu
Matthias Weber, Indiana University matweber@indiana.edu

8:30 a.m.
Counting Problems on Translation Surfaces.
Howard Masur*, University of Illinois at Chicago
(98532226) 
9:30 a.m.
Relative isoperimetric inequality: an extension of the classical isoperimetric inequality.
Jaigyoung Choe*, Seoul National University
(98558250) 
10:30 a.m.
Infinitely Generated Veech Groups.
Pascal Hubert, Institut de Mathematiques de Luminy
Thomas A Schmidt*, Oregon State University
(98537152)

8:30 a.m.

Saturday April 5, 2003, 8:30 a.m.11:20 a.m.
Special Session on Differential Geometry, II
Room 140, Ballantine Hall
Organizers:
Jiri Dadok, Indiana University dadok@indiana.edu
Bruce Solomon, Indiana University solomon@indiana.edu
JiPing Sha, Indiana university jsha@indiana.edu

8:30 a.m.
Minimal surfaces and Ricci flow.
Ian Agol*, University of Illinois at Chicago
(9855355) 
9:00 a.m.
Classification of hyperbolic 3manifolds.
Jeff Brock, University of Chicago
Dick Canary*, University of Michigan
Yair Minsky, SUNYStony Brook
(98557301) 
9:30 a.m.
Marden's tameness conjecture and limits of hyperbolic 3manifolds.
Jeffrey F. Brock*, University of Chicago
Juan Souto, Universität Bonn
(98553304) 
10:00 a.m.
A geometric condition for topological tameness.
Chris Connell*, University of Chicago
(98558264) 
10:30 a.m.
Conformally invariant differential operators.
Thomas P Branson*, University of Iowa
(98553303) 
11:00 a.m.
Constructing locally nonisometric, simplyconnected isospectral manifolds via Sunada's method.
Craig J. Sutton*, University of Pennsylvania
(98553296)

8:30 a.m.

Saturday April 5, 2003, 8:30 a.m.11:20 a.m.
Special Session on Recent Trend in the Analysis and Computations of Functional Differential
Maple Room, Indiana Memorial Union
Organizers:
Paul W. Eloe, University of Dayton paul.eloe@notes.udayton.edu
Qin Sheng, University of Dayton qin.sheng@notes.udayton.edu

8:30 a.m.
Positive Solutions of a ThreePoint Boundary Value Problem on a Time Scale.
Eric R. Kaufmann*, University of Arkansas at Little Rock
(98534267) 
9:00 a.m.
Existence Results for Impulsive Functional Differential Equations.
John M Davis*, Baylor University
(98539271) 
9:30 a.m.
A Quasilinearization Approach for Nonlinear Boundary Value Problems on Time Scales.
Elvan AkinBohner*, University of MissouriRolla
Ferhan Merdivenci Atici, Western Kentucky University
(98539295) 
10:00 a.m.
Break 
10:30 a.m.
Positive Solutions for Singular Three Point Boundary Value Problems.
Parmjeet K Singh*, Baylor University
(9853418) 
11:00 a.m.
Stability properties of linear Volterra integrodifferential equations.
Muhammad Islam*, University of Dayton
Youssef Raffoul, University of Dayton
(9854534)

8:30 a.m.

Saturday April 5, 2003, 8:30 a.m.11:20 a.m.
Special Session on Graph and Design Theory, II
Room 144, Ballantine Hall
Organizers:
Atif A. Abueida, University of Dayton Atif.Abueida@notes.udayton.edu
Mike Daven, Mount Saint Mary College daven@msmc.edu

8:30 a.m.
On Rosatype Labelings and Graph Decompositions.
Saad I. ElZanati*, Illinois State University
Andrew D. Blinco, University of Queensland
Charles L. Vanden Eynden, Illinois State University
(98505320) 
9:00 a.m.
Orthomorphisms of finite groups.
Anthony B Evans*, Wright State University
(98505239) 
9:30 a.m.
On a simple group of order 504, its automorphism group, and related combinatorial structures.
M H Klin, University of Delaware
S Reichard, University of Delaware
A J Woldar*, Villanova University
(98505206) 
10:00 a.m.
Siamese association schemes in miniature: A link between generalized quadrangles, graphs and Steiner designs.
Mikhail H Klin*, Department of Mathematical Sciences, University of Delaware
Sven Reichard, Department of Mathematical Sciences, University of Delaware
(98505232) 
10:30 a.m.
Rotational Symmetries, Chain and Skipless Path Decompositions of the Boolean Lattice.
Peter Hamburger*, IPFW
(9850571) 
11:00 a.m.
Triple Arrays.
W. D. Wallis*, Department of Mathematics, Southern Illinois University, Carbondale, IL629014408
(98505188)

8:30 a.m.

Saturday April 5, 2003, 8:30 a.m.11:15 a.m.
Special Session on Representations of Infinite Dimensional Lie Algebras and Mathematical Physics, II
Room 219, Ballantine Hall
Organizers:
Katrina Deane Barron, University of Notre Dame kbarron@nd.edu
Rinat Kedem, University of Illinois, UrbanaChampaign rinat@math.uiuc.edu

8:30 a.m.
Bosonic realizations of higher level toroidal Lie algebras.
Kailash C. Misra*, North Carolina State University
(98517249) 
9:30 a.m.
Logarithmic operators and vertex operator algebras.
Antun Milas*, University of Arizona
(98517278) 
10:00 a.m.
DLog's and Formal Flows of analytic maps and Rooted Trees.
Wenhua Zhao*, Washington University in St. Louis
(98517315) 
10:30 a.m.
Intertwining operators for vertex operator algebras and recursions for qseries.
S. Capparelli, Universit`a di Roma
J. Lepowsky*, Rutgers University
A. Milas, University of Arizona
(98517302)

8:30 a.m.

Saturday April 5, 2003, 8:30 a.m.11:25 a.m.
Special Session on Graph Theory, I
Room 209, Ballantine Hall
Organizers:
Tao Jiang, Miami University jiangt@muohio.edu
Zevi Miller, Miami University millerz@muohio.edu
Dan Pritikin, Miami University pritikd@muohio.edu

8:30 a.m.
Eulerian Subgraphs Containing Given Vertices or Edges.
ZhiHong Chen*, Butler University
(98505112) 
9:00 a.m.
Hamiltonian Clawfree graphs.
HongJian Lai*, West Virginia University
Yehong Shao, West Virginia Univrsity
Mingquan Zhan, West Virginia University
(9850537) 
9:30 a.m.
Forbidden Subgraphs for Pancyclic and Subpancyclic Graphs.
Ronald J. Gould*, Emory University
Tomasz Luczak, Adam Mickiewicz University
Florian Pfender, Emory University
(98505123) 
10:00 a.m.
Forbidden Subgraphs that Imply $2$Factors.
J. R. Faudree, University of Alaska  Fairbanks
R. J. Faudree*, University of Memphis
(98505218) 
10:30 a.m.
Long Cycles in Graphs Without K(3,t)minor.
Guantao Chen*, Georgia State University
Laura Sheppardson, Georgia Tech
Xingxing Yu, Georgia Tech
Wenan Zang, Hong Kong University
(98505136) 
11:00 a.m.
Generalizing Pancyclic and $k$ordered graphs.
Ralph J Faudree, University of Memphis
Ronald J Gould, Emory University
Michael S Jacobson*, University of Louisville and University of Colorado at Denver
Linda Lesniak, Drew University
(98505279)

8:30 a.m.

Saturday April 5, 2003, 8:30 a.m.11:20 a.m.
Special Session on Extremal Combinatorics, II
Room 208, Ballantine Hall
Organizers:
Dhruv Mubayi, University of Illinois at Chicago mubayi@math.uic.edu
Jozef Skokan, University of Illinois at UrbanaChampaign jozef@math.uiuc.edu

8:30 a.m.
Bounds on the Turan density of PG(3,2).
M Cioaba Sebastian*, Queen's Universiy
(9850551) 
9:00 a.m.
On the number of edges in uniform hypergraphs with no even cycles.
Alexandr Kostochka*, University of Illinois
Jacques Verstraete, Microsoft Research
(9850563) 
9:30 a.m.
Essentially infinite colourings of hypergraphs.
B\'ela Bollob\'as, The University of Memphis and Trinity College, Cambridge
Yoshiharu Kohayakawa*, Universidade de S\~ao Paulo and Emory University
Vojt\v ech R\"odl, Emory University
Anusch Taraz, HumboldtUniversit\"at zu Berlin
(98505305) 
10:00 a.m.
An optimal algorithm for checking regularity.
Y. Kohayakawa, University of Sao Paulo
V. Rodl, Emory University
L. Thoma*, University of Rhode Island
(98505289) 
10:30 a.m.
A Construction of Extremal Graphs Using Finite Geometry.
Keith E Mellinger*, University of Illinois at Chicago
Dhruv Mubayi, University of Illinois at Chicago
(9850560) 
11:00 a.m.
Coloring with no 2colored $P_4$'s.
Radhika Ramamurthi*, California State University San Marcos
Michael Albertson, Smith College
Glenn Chappell, University of Alaska Fairbanks
H.A. Kierstead, Arizona State University
Andre Kundgen, California State University San Marcos
(98505329)

8:30 a.m.

Saturday April 5, 2003, 8:30 a.m.11:20 a.m.
Special Session on Cryptography and Computational and Algorithmic Number Theory, II
Room 205, Ballantine Hall
Organizers:
Joshua Holden, RoseHulman Institute of Technology holden@rosehulman.edu
John Rickert, RoseHulman Institute of Technology john.rickert@rosehulman.edu
Jonathan Sorenson, Butler University sorenson@butler.edu
Andreas Stein, University of Illinois at UrbanaChampaign andreas@math.uiuc.edu

8:30 a.m.
NUCOMP I  Idea and Algorithm.
Renate Scheidler*, University of Calgary
(98511245) 
9:00 a.m.
NUCOMP II  Implementation and Applications.
Michael J Jacobson*, University of Calgary / CISaC
(98511204) 
9:30 a.m.
Some results concerning periodic continued fractions.
Roger Patterson, Macquarie University
Alf J van der Poorten, Macquarie University
Hugh C Williams*, University of Calgary
(98511244) 
10:00 a.m.
Break 
10:30 a.m.
Tatepairing implementations for tripartite keyagreement.
Iwan M Duursma*, Univ of Illinois at UC
HyangSook Lee, Ewha Womans University
(98511265) 
11:00 a.m.
PermutationSensitive Signatures.
Eric Bach*, University of Wisconsin
(98511280)

8:30 a.m.

Saturday April 5, 2003, 8:30 a.m.11:20 a.m.
Special Session on Operator Algebras and Their Applications, I
Room 217, Ballantine Hall
Organizers:
Jerry Kaminker, Indiana UniversityPurdue University Indianapolis kaminker@math.iupui.edu
Ronghui Ji, Indiana UniversityPurdue University Indianapolis ronji@math.iupui.edu

8:30 a.m.
Oriented $\Lambda$trees and their $C^*$algebras, preliminary report.
Jack Spielberg*, Arizona State University
(98546219) 
9:00 a.m.
KMS states on C*algebras associated to expansive maps.
Alex Kumjian*, University of Nevada
Jean Renault, Universit\'e d'Orl\'eans
(98546107) 
9:30 a.m.
Geodesic laminations and noncommutative geometry.
Igor Nikolaev*, University of Calgary
(9854635) 
10:00 a.m.
Smooth Subalgebras, Group C*algebras and Cyclic Cohomology.
Ronghui Ji*, IUPUI
(98546211) 
10:30 a.m.
A note on noncommutative harmonic functions.
Slawomir Klimek*, IUPUI
(98547174) 
11:00 a.m.
Trees, Ultrametrics and Noncommutative Geometry.
Bruce Hughes*, Vanderbilt University
(98547119)

8:30 a.m.

Saturday April 5, 2003, 8:30 a.m.11:20 a.m.
Special Session on Stochastic Analysis with Applications, II
Oak Room, Indiana Memorial Union
Organizers:
Jin Ma, Purdue University majin@math.purdue.edu
Frederi Viens, Purdue University viens@stat.purdue.edu

8:30 a.m.
On Bounded Solutions of Some Semilinear Stochastic Wave Equations.
PaoLiu Chow*, Wayne State University
(98560148) 
9:30 a.m.
Moments for a stochastic wave equation.
Carl E Mueller*, University of Rochester
Robert Dalang, Ecole Polytechnique Federale Lausanne
(9856030) 
10:00 a.m.
Some Stochastic Partial Differential Equations with Multiplicative Fractional Gaussian Noise.
Bozenna J. PasikDuncan*, University of Kansas
Bohdan Maslowski, Czech Academy of Sciences
Tyrone E. Duncan, University of Kansas
(98560309) 
10:30 a.m.
Large deviations for stochastic NavierStokes equations.
Padmanabhan Sundar*, Louisiana State University
(98560220) 
11:00 a.m.
Additive Summable Processes and the Stochastic Integral.
Oana Mocioalca*, Purdue University
(98560253)

8:30 a.m.

Saturday April 5, 2003, 9:00 a.m.11:15 a.m.
Special Session on Harmonic Analysis in the 21st Century, II
Hoosier Room, Indiana Memorial Union
Organizers:
Winston C. Ou, Indiana University wou@indiana.edu
Alberto Torchinsky, Indiana University torchins@indiana.edu

9:00 a.m.
Fixed Points of Holomorphic Mappings.
Steven G. Krantz*, Washington University in St. Louis
(9853236) 
10:00 a.m.
A Tauberian Theorem for Ergodic Averages, Maximal Estimates, and Spectral Decomposability for Positive Invertible Operators.
Earl R. Berkson*, University of Illinois
T. A. Gillespie, University of Edinburgh
(98542108) 
10:30 a.m.
Bellman functions with Wavelets.
Janine Wittwer*, Williams College
(9854653)

9:00 a.m.

Saturday April 5, 2003, 9:00 a.m.11:15 a.m.
Special Session on Probability, II
Sassafras Room, Indiana Memorial Union
Organizers:
Russell D. Lyons, Indiana University rdlyons@indiana.edu
Robin A. Pemantle, Ohio State University pemantle@math.ohiostate.edu

9:00 a.m.
Optimization of shape in continuum percolation.
Johan Jonasson*, Chalmers University of Technology
(98560115) 
10:00 a.m.
Percolation on Finite Cayley Graphs.
Igor Pak*, MIT
(98560200) 
10:30 a.m.
What do bootstrap percolation and integer partitions have in common?
Thomas M Liggett*, UCLA
A E Holroyd, UC Berkeley
Dan Romik, Weizmann Institute
(9856056)

9:00 a.m.

Saturday April 5, 2003, 9:00 a.m.11:20 a.m.
Special Session on Codimension One Splittings of Manifolds, II
Room 236, Ballantine Hall
Organizers:
James F. Davis, Indiana University jfdavis@indiana.edu
Andrew A. Ranicki, University of Edinburgh aar@maths.ed.ac.uk

9:00 a.m.
Twisting diagrams, codimension 1 splittings and Unil.
Ian Hambleton*, McMaster University
(98557134) 
9:30 a.m.
UNil(Z,Z,Z) and 4manifolds.
Bjoern Jahren*, University of Oslo
Slawomir Kwasik, Tulane University
(98557262) 
10:00 a.m.
Break 
10:30 a.m.
The block structure space of the infinitedimensional real projective space.
Tibor Macko*, Univerisity of Aberdeen, Scotland, UK
(98557129) 
11:00 a.m.
Splitting Theorems for Connected Sums.
James F. Davis*, Indiana University
Francis X Connolly, University of Notre Dame
(98557299)

9:00 a.m.

Saturday April 5, 2003, 9:00 a.m.11:25 a.m.
Special Session on Algebraic Topology, II
Room 214, Ballantine Hall
Organizers:
Randy McCarthy, University of Illinois, UrbanChampaign randy@math.uiuc.edu
Ayelet Lindenstrauss, Indiana University ayelet@math.indiana.edu

9:00 a.m.
Recent progress understanding the algebraic Goodwillie tower.
Andrew MauerOats*, Purdue University
(9855594) 
9:30 a.m.
Classification of Polynomial functors.
Greg Arone*, University of Virginia
(9855590) 
10:30 a.m.
"Taylor towers and symmetric powers.".
Brenda Johnson*, Johns Hopkins University
(9855592) 
11:00 a.m.
A dual construction of Tamaki's spectral sequence.
Stephen Ahearn*, Macalester College Macalester College Macalaster College
(98555117)

9:00 a.m.

Saturday April 5, 2003, 9:30 a.m.11:20 a.m.
Special Session on Weak Dependence in Probability and Statistics, II
Walnut Room, Indiana Memorial Union
Organizers:
Richard C. Bradley, Indiana University bradleyr@indiana.edu
Lanh T. Tran, Indiana University tran@indiana.edu

9:30 a.m.
Weak dependence, Poisson limits and Ustatistics.
Andre R Dabrowski*, University of Ottawa
(9856012) 
10:00 a.m.
Local limit theorems for nonMarkov maps.
M Denker*, Institut fuer Mathematische Stochastik, University of Goettingen
(98537116) 
10:30 a.m.
Invariance principles for sums of mixing random elements and the multivariate empirical process II.
Walter V. Philipp*, University of Illinois at UrbanaChampaign
(98560121) 
11:00 a.m.
Moderate Deviation Probabilities for Open Convex Sets: Nonlogarithmic Behavior.
James Kuelbs*, University of WisconsinMadison
Uwe Einmahl, Vrije Universiteit of Brussel
(9856010)

9:30 a.m.

Saturday April 5, 2003, 10:00 a.m.11:20 a.m.
Special Session on Ergodic Theory and Dynamical Systems, II
Room 006, Ballantine Hall
Organizers:
Roger L. Jones, DePaul University rjones@condor.depaul.edu
Ayse A. Sahin, DePaul University asahin@condor.depaul.edu

9:30 a.m.
Generalized Polynomials and Mild Mixing.
Randall G McCutcheon*, University of Memphis
(98528307) 
10:00 a.m.
The helical transform revisited.
James T Campbell*, University of Memphis
(98537291) 
10:30 a.m.
Genericity in powers of the Morse system.
Emmanuel Lesigne, Universit\'e de Tours
Anthony Quas*, University of Memphis
M\'at\'e Wierdl, University of Memphis
(98537306) 
11:00 a.m.
Amenable group actions and partitions with independent iterates.
Andres del Junco*, University of Toronto
Boris Begun, University of Toronto
(98528273)

9:30 a.m.

Saturday April 5, 2003, 11:40 a.m.12:30 p.m.
Invited Address
More rigorous results on the NK model.
Whittenberger Auditorium, Indiana Memorial Union
V. Limic, University of British Columbia
R. Pemantle*, Ohio State University
(98560163) 
Saturday April 5, 2003, 2:00 p.m.2:50 p.m.
Invited Address
On the asphericity of hyperplane complements.
Room 013, Ballantine Hall
Daniel J. Allcock*, University of Texas 
Saturday April 5, 2003, 3:00 p.m.4:50 p.m.
Special Session on Ergodic Theory and Dynamical Systems, III
Room 006, Ballantine Hall
Organizers:
Roger L. Jones, DePaul University rjones@condor.depaul.edu
Ayse A. Sahin, DePaul University asahin@condor.depaul.edu

3:00 p.m.
Lyapunov theorem on vector measures and Alpern multitower theorem for minimal Cantor homeomorphisms.
Isaac Kornfeld*, North Dakota State University
(98537120) 
3:30 p.m.
A classification of regularly almost periodic compact minimal flows up to isomorphism and up to orbitequivalence.
Alica Miller*, University of Illinois at UrbanaChampaign
Joseph Rosenblatt, University of Illinois at UrbanaChampaign
(98537326) 
4:00 p.m.
Bounded orbit equivalence and flow equivalence for minimal ${\mathbb Z}^2$actions.
Nicholas S Ormes*, University of Denver
Samuel J Lightwood, George Washington University
(98537275) 
4:30 p.m.
Entropy and isomorphism of random walks on random sceneries.
Karen T. Ball*, Indiana University, Bloomington
(98537248)

3:00 p.m.

Saturday April 5, 2003, 3:00 p.m.4:45 p.m.
Special Session on Holomorphic Dynamics, III
Room 135, Ballantine Hall
Organizers:
Eric D. Bedford, Indiana University bedford@indiana.edu
Kevin M. Pilgrim, Indiana University pilgrim@indiana.edu

3:00 p.m.
On Geometrically Finite Branched Covering Maps.
Guizhen Cui, Academy of Mathematics and System Sciences
Yunping Jiang*, CUNY Graduate Center and Queens College
Dennis Sullivan, CUNY Graduate Center
(98530118) 
4:00 p.m.
Random Iteration and Degenerate Domains.
Linda Keen*, Lehman College, CUNY
Nikola Lakic, Lehman College, CUNY
(98530104)

3:00 p.m.

Saturday April 5, 2003, 3:00 p.m.4:50 p.m.
Special Session on Weak Dependence in Probability and Statistics,III
Walnut Room, Indiana Memorial Union
Organizers:
Richard C. Bradley, Indiana University bradleyr@indiana.edu
Lanh T. Tran, Indiana University tran@indiana.edu

3:00 p.m.
Weighted Approximations to Some Dependent Processes and Applications.
David M Mason*, University of Delaware
(9856017) 
3:30 p.m.
On Rice's formulae for level crossings by stationary processes, and recent extensions and applications.
Malcolm Ross Leadbetter*, University of North Carolina, Chapel Hill
(98560102) 
4:00 p.m.
The invariance principle for stationary sequences.
Sergey Utev*, School of Mathematical Sciences, University of Nottingham
(98560221) 
4:30 p.m.
Strong mixing coefficients for noncommutative Gaussian processes.
Wlodzimierz Bryc*, University of Cincinnati
Victor Kaftal, University of Cincinnati
(9856009)

3:00 p.m.

Saturday April 5, 2003, 3:00 p.m.4:45 p.m.
Special Session on Geometric Topology, III
Room 246, Ballantine Hall
Organizers:
Paul A. Kirk, Indiana University pkirk@indiana.edu
Charles Livingston, Indiana University livingst@indiana.edu

Saturday April 5, 2003, 3:00 p.m.4:45 p.m.
Special Session on Harmonic Analysis in the 21st Century, III
Hoosier Room, Indiana Memorial Union
Organizers:
Winston C. Ou, Indiana University wou@indiana.edu
Alberto Torchinsky, Indiana University torchins@indiana.edu

3:00 p.m.
Lipschitz Spaces and Calderon Zygmund Operators associated to Nondoubling Measures.
A. Eduardo Gatto*, DePaul University
Jose GarciaCuerva, Univ. Autonoma de Madrid
(9854268) 
4:00 p.m.
$L^p$estimates for singular integrals of even kernels.
Rodrigo Banuelos*, Purdue University
Pedro J MendezHernandez, University of Utah
(9854252)

3:00 p.m.

Saturday April 5, 2003, 3:00 p.m.4:50 p.m.
Special Session on Particle Models and Their Fluid Limits, II
Redbud Room, Indiana Memorial Union
Organizers:
Robert T. Glassey, Indiana University glassey@indiana.edu
David C. Hoff, Indiana University hoff@indiana.edu

3:00 p.m.
The Incompressible NavierStokes Limit for the Boltzmann Equation.
Francois J Golse*, Ecole Normale Superieure, DMA
(98535186) 
3:30 p.m.
Fluid Dynamical Limits for the Boltzmann Equation.
D Levermore*, University of Maryland
(98535193) 
4:00 p.m.
Computations of multiphase solutions of the semiclassical Schrodinger equations and related problems.
Shi Jin*, University of WisconsinMadison
(98565137) 
4:30 p.m.
On the Convergence of Particle Methods for ThreeDimensional Relativistic VlasovMaxwell Systems.
H.D. Victory*, texas tech university
(98535192)

3:00 p.m.

Saturday April 5, 2003, 3:00 p.m.4:50 p.m.
Special Session on Probability, III
Sassafras Room, Indiana Memorial Union
Organizers:
Russell D. Lyons, Indiana University rdlyons@indiana.edu
Robin A. Pemantle, Ohio State University pemantle@math.ohiostate.edu

3:00 p.m.
Entropy and graph homomorphisms.
David Galvin*, Microsoft Research
Prasad Tetali, Georgia Tech
(98560184) 
3:30 p.m.
Some Ideas in Scenery Reconstruction.
Heinrich Felix Matzinger*, University of Bielefeld, Germany
(98560212) 
4:30 p.m.
A threshold routing system in heavy traffic.
Vlada Limic*, British Columbia
Ruth Williams, UC San Diego
(98560228)

3:00 p.m.

Saturday April 5, 2003, 3:00 p.m.4:50 p.m.
Special Session on Mathematical and Computational Problems in Fluid Dynamics and Geophysical Fluid Dynamics, II
Persimmon Room, Indiana Memorial Union
Organizers:
Roger Temam, Indiana University temam@indiana.edu
Shouhong Wang, Indiana University showang@indiana.edu

3:00 p.m.
Active reactive flow.
Peter Constantin*, The University of Chicago
Alexander Kiselev, University of Wisconsin, Madison
Lenya Ryzhik, The University of Chicago
(98535236) 
3:30 p.m.
Spatial complexity of solutions of the KuramotoSivashinsky equation.
Igor Kukavica*, University of Southern California
(98535318) 
4:00 p.m.
A Homogenization of the NavierStokes Equation, Obtaining the Viscous MooreGreitzer Equation for Aeroengine Flow.
Bjorn Birnir*, UCSB
Songming Hou, UCI
Niklas Wellander, UCSB
(98535290) 
4:30 p.m.
Numerical Issues in the Primitive Equations of LargeScale Oceanic Circulation.
Cheng Wang*, Indiana University
(98565230)

3:00 p.m.

Saturday April 5, 2003, 3:00 p.m.5:10 p.m.
Special Session on Operator Algebras and Free Probability, II
Room 215, Ballantine Hall
Organizers:
Hari Bercovici, Indiana University bercovic@indiana.edu
Marius Dadarlat, Purdue University mdd@math.purdue.edu

Saturday April 5, 2003, 3:00 p.m.4:45 p.m.
Special Session on Applications of Teichm\u"ller Theory to Dynamics and Geometry, III
Room 247, Ballantine Hall
Organizers:
Christopher M. Judge, Indiana University cjudge@indiana.edu
Matthias Weber, Indiana University matweber@indiana.edu

3:00 p.m.
Moduli spaces of constant mean curvature surfaces properly embedded in $R^3$.
Rob Kusner*, University of Massachusetts at Amherst
(98553158) 
4:00 p.m.
Dynamics on branched covers of Veech surfaces.
Alex Eskin*, University of Chicago
J Marklof, University of Bristol
D Witte, Oklahoma State University
(98537328)

3:00 p.m.

Saturday April 5, 2003, 3:00 p.m.4:50 p.m.
Special Session on Differential Geometry, III
Room 140, Ballantine Hall
Organizers:
Jiri Dadok, Indiana University dadok@indiana.edu
Bruce Solomon, Indiana University solomon@indiana.edu
JiPing Sha, Indiana university jsha@indiana.edu

3:00 p.m.
Tangent bundle embeddings of manifolds in Euclidean space.
Mohammad Ghomi*, University of South Carolina
(98553105) 
3:30 p.m.
Totally skew Euclidean submanifolds and nonsingular bilinear maps.
Serge Tabachnikov*, Penn State
(98553202) 
4:00 p.m.
The tight clasp.
John M Sullivan*, Univ. of Illinois, Urbana
(98551180) 
4:30 p.m.
Ropelength Criticality and the ``Simple'' Clasp.
Jason Cantarella*, University of Georgia
Joseph H. G. Fu, University of Georgia
Robert B Kusner, University of Massachusetts
John M Sullivan, University of Illinois
Nancy C. Wrinkle, University of Georgia
(9854942)

3:00 p.m.

Saturday April 5, 2003, 3:00 p.m.4:50 p.m.
Special Session on Recent Trend in the Analysis and Computations of Functional Differential
Maple Room, Indiana Memorial Union
Organizers:
Paul W. Eloe, University of Dayton paul.eloe@notes.udayton.edu
Qin Sheng, University of Dayton qin.sheng@notes.udayton.edu

3:00 p.m.
Bendixson's Formula for Difference Equations.
Martin J Bohner*, University of MissouriRolla
(98539294) 
3:30 p.m.
Eigenvalue Comparisons for ThreePoint Boundary Value Problems.
Basant K Karna*, Baylor University
(9853450) 
4:00 p.m.
Global solutions to the Lake equations.
Chaocheng Huang*, Wright State University
(98535109) 
4:30 p.m.
Solving PDEs Using Smooth Interpolation Methods.
Joseph Kolibal*, The University of Southern Mississippi
(98535173)

3:00 p.m.

Saturday April 5, 2003, 3:00 p.m.4:50 p.m.
Special Session on Graph and Design Theory, III
Room 144, Ballantine Hall
Organizers:
Atif A. Abueida, University of Dayton Atif.Abueida@notes.udayton.edu
Mike Daven, Mount Saint Mary College daven@msmc.edu

3:00 p.m.
Counting closed walks in vertextransitive graphs.
Robert Jajcay*, Indiana State University
(98505199) 
3:30 p.m.
Displacement phenomena for finite universal graphs.
Roger B. Eggleton*, Illinois State University
James A. MacDougall, University of Newcastle, NSW, Australia
(98505310) 
4:00 p.m.
Chordal bipartite analogs of 2trees and isolated failure immune networks.
Terry A McKee*, Wright State University
(9850516) 
4:30 p.m.
Application of visibility graphs to robot navigation.
N Manickam*, DePauw University
Nagi Rao, Oak Ridge National Lab
(98505155)

3:00 p.m.

Saturday April 5, 2003, 3:00 p.m.4:45 p.m.
Special Session on Representations of Infinite Dimensional Lie Algebras and Mathematical Physics, III
Room 219, Ballantine Hall
Organizers:
Katrina Deane Barron, University of Notre Dame kbarron@nd.edu
Rinat Kedem, University of Illinois, UrbanaChampaign rinat@math.uiuc.edu

3:00 p.m.
$C_2$cofiniteness of the vertex operator algebra $V_L^+$ when $L$ is a rank one lattice.
Gaywalee  Yamskulna*, SUNY at Binghamton
(98517237) 
3:30 p.m.
Affinization of commutative algebras.
Michael Roitman*, University of Michigan
(98517182) 
4:00 p.m.
Framed VOAs and frame stabilizers.
Robert L. Griess*, University of Michigan
(98517316)

3:00 p.m.

Saturday April 5, 2003, 3:00 p.m.4:55 p.m.
Special Session on Graph Theory, II
Room 209, Ballantine Hall
Organizers:
Tao Jiang, Miami University jiangt@muohio.edu
Zevi Miller, Miami University millerz@muohio.edu
Dan Pritikin, Miami University pritikd@muohio.edu

3:00 p.m.
Irreducible hypergraphs for Halltype conditions and edgeminimal expanders.
Alexandr Kostochka*, University of Illinois
Douglas R. Woodall, University of Nottingham
(9850547) 
3:30 p.m.
Counterexamples to the nonorientable genus conjecture for complete tripartite graphs.
Mark N. Ellingham*, Vanderbilt University
Chris Stephens, Vanderbilt University
Xiaoya Zha, Middle Tennessee State University
(98505143) 
4:00 p.m.
Tournaments in which every arc is in a Hamiltonian path.
K. Brooks Reid*, Calif. State Univ. San Marcos and Univ. Colorado at Denver
(98505297) 
4:30 p.m.
On the wide diameter of the Cayley graph G(Sn, T).
D. Frank Hsu*, Fordham University
(98505272)

3:00 p.m.

Saturday April 5, 2003, 3:00 p.m.4:50 p.m.
Special Session on Extremal Combinatorics, III
Room 208, Ballantine Hall
Organizers:
Dhruv Mubayi, University of Illinois at Chicago mubayi@math.uic.edu
Jozef Skokan, University of Illinois at UrbanaChampaign jozef@math.uiuc.edu

3:00 p.m.
The number of edge colorings with no monochromatic cliques.
Noga Alon, IAS, Princeton
Jozsef Balogh*, Ohio State University
Peter Keevash, Princeton
Benny Sudakov, Princeton
(98505229) 
3:30 p.m.
Venn Diagrams and Symmetric Chain Decompositions in the Boolean Lattice.
Jerrold R. Griggs*, University of South Carolina
Charles E Killian, North Carolina State University
Carla D Savage, North Carolina State University
(98505195) 
4:00 p.m.
A bound on the sum of squares of degrees in a monotone graph family.
Zoltan Furedi, University of Illinois, UrbanaChampaign and Renyi Institute, Budapest
Andre Kundgen*, Cal State San Marcos
(98505327) 
4:30 p.m.
On Randomly Generated Intersecting Hypergraphs.
Tom Bohman, Carnegie Mellon University
Colin Cooper, Carnegie Mellon University
Alan Frieze, Carnegie Mellon University
Ryan Martin, Carnegie Mellon University
Miklos Ruszinko*, Carnegie Mellon University
(98505337)

3:00 p.m.

Saturday April 5, 2003, 3:00 p.m.4:50 p.m.
Special Session on Cryptography and Computational and Algorithmic Number Theory, III
Room 205, Ballantine Hall
Organizers:
Joshua Holden, RoseHulman Institute of Technology holden@rosehulman.edu
John Rickert, RoseHulman Institute of Technology john.rickert@rosehulman.edu
Jonathan Sorenson, Butler University sorenson@butler.edu
Andreas Stein, University of Illinois at UrbanaChampaign andreas@math.uiuc.edu

3:00 p.m.
On the Computation of Cube Roots Modulo $p$.
Siguna M.S. M\"uller*, University of Calgary
(98511312) 
3:30 p.m.
A Numerical Technique for the Number Field Sieve Square Root.
Chris Monico*, University of Notre Dame
(98511215) 
4:00 p.m.
Computing the nesting depth of a nested radical.
Oliver A Schirokauer*, Oberlin College
(98511308) 
4:30 p.m.
On Class Group Computations Using the Number Field Sieve.
Safuat Hamdy*, University of Calgary
(98511191)

3:00 p.m.

Saturday April 5, 2003, 3:00 p.m.4:50 p.m.
Special Session on Operator Algebras and Their Applications, II
Room 217, Ballantine Hall
Organizers:
Jerry Kaminker, Indiana UniversityPurdue University Indianapolis kaminker@math.iupui.edu
Ronghui Ji, Indiana UniversityPurdue University Indianapolis ronji@math.iupui.edu

3:00 p.m.
Discussion 
3:30 p.m.
Euler characteristics of manifolds of bounded geometry.
John G Miller*, IUPUI
(98558284) 
4:00 p.m.
Hyperbolic groups, bounded cohomology and orbit equivalence superrigidity.
Igor Mineyev*, University of Illinois at UrbanaChampaign
(98520190) 
4:30 p.m.
Uniformly embedding discrete groups into Hilbert space.
Erik Guentner*, University of Hawaii, Manoa
Nigel Higson, Pennsylvania State University
Shmuel Weinberger, University of Chicago
(98546323)

3:00 p.m.

Saturday April 5, 2003, 3:00 p.m.4:20 p.m.
Special Session on Codimension One Splittings of Manifolds, III
Room 236, Ballantine Hall
Organizers:
James F. Davis, Indiana University jfdavis@indiana.edu
Andrew A. Ranicki, University of Edinburgh aar@maths.ed.ac.uk

3:00 p.m.
A homotopic approach to the Isomorphism Conjecture.
Daniel JuanPineda, Instituto de Matematicas, UNAM, Campus Morelia
Stratos Prassidis*, Canisius College
(98519122) 
3:30 p.m.
Codimension 1 splitting and noncommutative localization.
Andrew A Ranicki*, University of Edinburgh
(9855739) 
4:00 p.m.
Seifert Surfaces and Characteristic Polynomials.
Desmond Sheiham*, University of California, Riverside
(98519208)

3:00 p.m.

Saturday April 5, 2003, 3:00 p.m.4:50 p.m.
Special Session on Stochastic Analysis with Applications, III
Oak Room, Indiana Memorial Union
Organizers:
Jin Ma, Purdue University majin@math.purdue.edu
Frederi Viens, Purdue University viens@stat.purdue.edu

3:00 p.m.
Particle representations for measurevalued branching processes.
Thomas G. Kurtz*, University of WisconsinMadison
Eliane R. Rodrigues, National Autonomous University of Mexico
(98560164) 
4:00 p.m.
Particle approximations of Lyapunov exponents connected to Schr\"odinger operators and FeynmanKac semigroups.
Pierre Del Moral*, LSP Universite Paul Sabatier Toulouse, France
(98560332) 
4:30 p.m.
On spin glasses systems and stochastic calculus.
Samy Tindel*, University of Paris 13
(98560331)

3:00 p.m.

Saturday April 5, 2003, 3:00 p.m.4:45 p.m.
Special Session on Algebraic Topology, III
Room 214, Ballantine Hall
Organizers:
Randy McCarthy, University of Illinois, UrbanChampaign randy@math.uiuc.edu
Ayelet Lindenstrauss, Indiana University ayelet@math.indiana.edu

3:00 p.m.
$p$compact groups and $p$local groups.
Jesper Grodal*, University of Chicago
(9855598) 
3:30 p.m.
(Homological?) decompositions of Out F_n.
Daniel Biss*, University of Chicago
(9855593) 
4:00 p.m.
A correspondence between atomic H spaces and atomic coH spaces.
Brayton Gray*, University of Illinois at Chicago
(98555103)

3:00 p.m.

Saturday April 5, 2003, 3:00 p.m.4:10 p.m.
Session for Contributed Papers
Room 229, Ballantine Hall

3:00 p.m.
Approximation of parabolic PDEs on Euclidean spheres using spherical basis functions.
Quoc T Le Gia*, Texas A&M University  Mathematics
Joseph D Ward, Texas A&M University
(9853519) 
3:15 p.m.
The Length of the Longest HeadRun in a Model with LongRange Dependence.
Thomas M. Lewis*, Furman University
(98560285) 
3:30 p.m.
A Class of Processes on the Path Space over a Compact Riemannian Manifold with Unbounded Diffusion.
JoergUwe Loebus*, University of Toledo
(98560288) 
4:00 p.m.
Percolation Threshold Bounds, Counterexamples, and Conjectures.
John C. Wierman*, Johns Hopkins University
(9856023)

3:00 p.m.

Saturday April 5, 2003, 5:10 p.m.6:00 p.m.
Invited Address
On the motion of the interface of the two phase flows.
Room 013, Ballantine Hall
Sijue Wu*, University of Maryland, College Park/Harvard University
(98535166) 
Saturday April 5, 2003, 6:15 p.m.7:30 p.m.
Reception (Hosted by the Department of Mathematics)
Alumni Hall, Indiana Memorial Union
Sunday April 6, 2003

Sunday April 6, 2003, 8:30 a.m.11:45 a.m.
Special Session on Applications of Teichm\u"ller Theory to Dynamics and Geometry, IV
Room 247, Ballantine Hall
Organizers:
Christopher M. Judge, Indiana University cjudge@indiana.edu
Matthias Weber, Indiana University matweber@indiana.edu

8:30 a.m.
Xminimal surfaces in the Heisenberg group.
Scott D. Pauls*, Dartmouth College
(98553235) 
9:00 a.m.
Polygonal outer billiards in the Euclidean and the hyperbolic plane.
Serge Tabachnikov*, Penn State
(98537203) 
10:00 a.m.
Spectral Curves of 2Tori in the 4Sphere.
Franz Pedit*, University of Massachusetts
(9855358) 
11:00 a.m.
Recent results on classical minimal surface theory.
William H. Meeks*, Univ. of Massachusetts
(98553156)

8:30 a.m.

Sunday April 6, 2003, 8:30 a.m.12:25 p.m.
Special Session on Graph Theory, III
Room 209, Ballantine Hall
Organizers:
Tao Jiang, Miami University jiangt@muohio.edu
Zevi Miller, Miami University millerz@muohio.edu
Dan Pritikin, Miami University pritikd@muohio.edu

8:30 a.m.
Real Number Channel Assignments with Distance Conditions.
Jerrold R. Griggs*, University of South Carolina
Teresa Xiaohua Jin, University of South Carolina
(98505194) 
9:00 a.m.
On graph coloring extensions and listcolorings.
Maria Alex Axenovich*, Iowa State University
(9850559) 
9:30 a.m.
Adjacent Vertex Distinguishing EdgeColorings.
Richard H. Schelp*, University of Memphis
Paul N.. Balister, University of Memphis
Ervin Gyori, Renyi Institute of Mathematics
Jeno Lehel, University of Memphis
(98505154) 
10:00 a.m.
Optimal decomposition of complete graphs into many parts: extensions of the NordhausGaddum Theorem.
Zolt\'an F\"uredi, Univ. of Illinois and R\'enyi Institute
Alexandr V Kostochka, Univ. of Illinois and Institute of Mathematics (Novosibirsk)
Riste \v{S}krekovski, Charles Univ. and Univ. of Ljubljana
Michael Stiebitz, Technische Universit\"at Ilmenau
Douglas B West*, University of Illinois
(98505100) 
10:30 a.m.
Embedding Complete Binary Trees into Grids.
Y.B. Lin, University of Texas at Dallas
Zevi Miller, Miami University
Manley Perkel*, Wright State University
Dan Pritikin, Miami University
Hal Sudborough, University of Texas at Dallas
(98505168) 
11:00 a.m.
A Transformation of Kotzig's Tree Decomposition Conjecture.
Andre E Kezdy*, University of Louisville
(98505225) 
11:30 a.m.
A short proof of a characterization of strongly chordal graphs.
Michael J. Pelsmajer*, Illinois Institute of Technology
Douglas B. West, University of Illinois, UrbanaChampaign
(98505254) 
12:00 p.m.
Convexity in graphs: Steiner sets, Hull sets and Geodesic sets.
Ignacio M Pelayo*, Universitat Politecnica de Catalunya
Merce Mora, Universitat Politecnica de Catalunya
Carmen Hernando, Universitat Politecnica de Catalunya
Carlos Seara, Universitat Politecnica de Catalunya
(98505162)

8:30 a.m.

Sunday April 6, 2003, 9:00 a.m.12:30 p.m.
Special Session on Holomorphic Dynamics, IV
Room 135, Ballantine Hall
Organizers:
Eric D. Bedford, Indiana University bedford@indiana.edu
Kevin M. Pilgrim, Indiana University pilgrim@indiana.edu

9:00 a.m.
Schwarzian in complex analytic iteration theory.
Julian I. Palmore*, University of Illinois at UrbanaChampaign
(98537342) 
10:00 a.m.
Discussion

9:00 a.m.

Sunday April 6, 2003, 9:00 a.m.11:20 a.m.
Special Session on Weak Dependence in Probability and Statistics, IV
Walnut Room, Indiana Memorial Union
Organizers:
Richard C. Bradley, Indiana University bradleyr@indiana.edu
Lanh T. Tran, Indiana University tran@indiana.edu

9:00 a.m.
Least Squares Estimators For The Spatial Regression Model.
Jin Zhu*, Indiana University
(9856246) 
9:30 a.m.
Nonparametric estimation for nonlinear autoregressive processes.
Eunju Hwang*, University of Mississippi
(98562198) 
10:00 a.m.
Some results on estimating a spectral density for a wavelet basis.
Curtis P Miller*, Iowa State University
(98560242) 
11:00 a.m.
Nonparametric estimation of regression and dependence coefficients.
Lanh Tat Tran*, Indiana University, Bloomington, Indiana
(98562144)

9:00 a.m.

Sunday April 6, 2003, 9:00 a.m.11:50 a.m.
Special Session on Mathematical and Computational Problems in Fluid Dynamics and Geophysical Fluid Dynamics, III
Persimmon Room, Indiana Memorial Union
Organizers:
Roger Temam, Indiana University temam@indiana.edu
Shouhong Wang, Indiana University showang@indiana.edu

9:00 a.m.
Remarks on the Control of Problems Related to Climate.
Roger Temam*, Indiana University
Djoko Wirosoetisno, Indiana University
(98549283) 
9:30 a.m.
A Class of Truly Consistent Splitting Schemes for Incompressible Flows.
Jie Shen*, Purdue University
(9856575) 
10:00 a.m.
Small Scales and Inviscid Limit of Viscous Compressible Flows.
Xiaoming Wang*, Iowa State University
(98576234) 
10:30 a.m.
Break 
11:00 a.m.
Vortex Sheets with Surface Tension.
David M. Ambrose*, Courant Institute, NYU
(98576157) 
11:30 a.m.
Regularity results for linear elliptic problems and applications to the Primitive Equations of the ocean.
Mohammed B Ziane*, University of Southern California
Roger M Temam, Indiana University
(98535330) 
12:00 p.m.
Rigorous characterization of boundary layer separations of 2D incompressible flows and its applications.
Tian Ma, Sichuan University & indiana University
Shouhong Wang*, Indiana University
(98576147)

9:00 a.m.

Sunday April 6, 2003, 9:00 a.m.12:20 p.m.
Special Session on Operator Algebras and Free Probability, III
Room 215, Ballantine Hall
Organizers:
Hari Bercovici, Indiana University bercovic@indiana.edu
Marius Dadarlat, Purdue University mdd@math.purdue.edu

9:00 a.m.
Remarks on projections in C*algebras.
Lawrence G. Brown*, Purdue University
(98546298) 
10:00 a.m.
Some quantitative results on the spectrum of almost Mathieu operators.
Florin P Boca*, University of Illinois UrbanaChampaign
Alexandru Zaharescu, University of Illinois UrbanaChampaign
(98547169) 
11:00 a.m.
A Majorization Theory for Infinite Sequences Arising From Traces, Ideals, Arithmetic Means and Commutators.
Gary Weiss*, University of Cincinnati
Victor Kaftal, University of Cincinnati
(98547233) 
12:00 p.m.
Ktheory of Certain C*algebras associated with free products of cyclic groups.
Shuang Zhang*, University of Cincinnati
Wojciech Szymanski, University of Newcastle
(98546196)

9:00 a.m.

Sunday April 6, 2003, 9:00 a.m.11:50 a.m.
Special Session on Differential Geometry, IV
Room 140, Ballantine Hall
Organizers:
Jiri Dadok, Indiana University dadok@indiana.edu
Bruce Solomon, Indiana University solomon@indiana.edu
JiPing Sha, Indiana university jsha@indiana.edu

9:00 a.m.
Geometry of $L^{p}([0,1],\mathbb{Z)}$.
Valera I Berestovskii, Omsk State University
Victor Gichev, Omsk State University
Conrad Plaut*, University of Tennessee
(98553246) 
9:30 a.m.
Hypersurfaces of constant Gauss curvature in Minkowski space.
Bo Guan*, Department of Mathematics, University of Tennessee
Huaiyu Jian, Tsinghua University, China
(98553292) 
10:00 a.m.
Spectral theory for tensor products of Hermitian holomorphic line bundles.
Harold G. Donnelly*, Purdue University
(9855344) 
10:30 a.m.
Bonnet pairs revisited.
Gary R. Jensen*, Washington University
(98553201) 
11:00 a.m.
Torsionfree $G_{3}$connections that are not analytic.
QuoShin Chi*, Washington University, St. Louis
(9855384) 
11:30 a.m.
A moduli curve for compact conformallyEinstein K\"ahler manifolds.
Andrzej Derdzinski*, Ohio State University
Gideon Maschler, University of Toronto
(98553251)

9:00 a.m.

Sunday April 6, 2003, 9:00 a.m.11:20 a.m.
Special Session on Recent Trend in the Analysis and Computations of Functional Differential
Maple Room, Indiana Memorial Union
Organizers:
Paul W. Eloe, University of Dayton paul.eloe@notes.udayton.edu
Qin Sheng, University of Dayton qin.sheng@notes.udayton.edu

9:00 a.m.
First Order Dynamic Equations on Analysis of Algorithms.
Ferhan M. Atici*, Western Kentucky University
Daniel C. Biles, Western Kentucky University
(98539171) 
9:30 a.m.
Boundedness In Nonlinear Differential Equations.
Youssef N Raffoul*, University of Dayton
(9853415) 
10:00 a.m.
Blowup of Solutions for Degenerate Semilinear Parabolic Problems.
C. Y. Chan, University of Louisiana at Lafayette
W. Y. Chan*, University of Science and Arts of Oklahoma
(98535141) 
10:30 a.m.
Periodic Solutions In Neutral Nonlinear Difference Equations with Delay.
Mariette R Maroun*, University of Dayton
Youssef N Raffoul, University of Dayton
(98534133) 
11:00 a.m.
Dynamic Equations for Fourth Order Conjugate Boundary Value Problems.
Johnny Henderson, Baylor University
William Yin*, LaGrange College
(9853414)

9:00 a.m.

Sunday April 6, 2003, 9:00 a.m.12:50 p.m.
Special Session on Representations of Infinite Dimensional Lie Algebras and Mathematical Physics, IV
Room 219, Ballantine Hall
Organizers:
Katrina Deane Barron, University of Notre Dame kbarron@nd.edu
Rinat Kedem, University of Illinois, UrbanaChampaign rinat@math.uiuc.edu

9:00 a.m.
Sklyanin Poisson brackets and refined Bruhat cells in real Grassmannians.
Michael Gekhtman*, University of Notre Dame
MIchael Shapiro, Michigan State University
Alek Vainshtein, University of Haifa
(98557150) 
10:00 a.m.
Infinite Toda lattice and New Vertex Algebras.
Maarten J. Bergvelt*, Dept. of Mathematics, UIUC
(98517240) 
10:30 a.m.
Algebra in tensor categories and conformal field theory
Christoph Schweigert*, RheinischWestfälische Technische Hochschule Aache
(98517313) 
11:30 a.m.
Virasoro highestweight vectors in vertex operator algebras.
Katherine L Hurley*, University of South Carolina
(98517224) 
12:00 p.m.
Differential equations and conformal field theories.
YiZhi Huang*, Rutgers University
(98517181)

9:00 a.m.

Sunday April 6, 2003, 9:00 a.m.12:20 p.m.
Special Session on Extremal Combinatorics, IV
Room 208, Ballantine Hall
Organizers:
Dhruv Mubayi, University of Illinois at Chicago mubayi@math.uic.edu
Jozef Skokan, University of Illinois at UrbanaChampaign jozef@math.uiuc.edu

9:00 a.m.
An Improved Extremal Function for Graph Linkages.
Robin Thomas, Georgia Inst. of Tech.
Paul Wollan*, Georgia Inst. of Tech.
(98505260) 
9:30 a.m.
A hypercube covering problem, or DNF with exceptions.
Dhruv Mubayi, Univ. of Illinois at Chicago
Gyorgy Turan*, Univ. of Illinois at Chicago
Yi Zhao, Univ. of Illinois at Chicago
(98505241) 
10:00 a.m.
Nontrivial Intersecting Families.
Jacques Alain Verstraete*, Microsoft Research
Dhruv Mubayi, University of Illinois, Chicago
(98505339) 
10:30 a.m.
Tree representations of $K_{n,n}$.
Nancy Eaton*, University of Rhode Island
Zoltan Furedi, University of Illinois at UrbanaChampaign
Alexandr V. Kostochka, University of Illinois UrbanaChampaign
Jozef Skokan, University of Illinois at UrbanaChampaign
(98505274) 
11:00 a.m.
A New Degree Condition For Graph Tiling.
Ali Shokoufandeh, Drexel University
Yi Zhao*, University of Illinois at Chicago
(98505177) 
11:30 a.m.
\documentclass{article} \title{Embedding graphs with bounded degree in pseudorandom sparse graphs} \begin{document}\date{\empty}\maketitle\end{document}.
Yoshiharu Kohayakawa, University of Sao Paulo
Vojtech Rodl, Emory University
Papa Amar Sissokho*, Emory University
(98505333) 
12:00 p.m.
An extremal function for $K_9$ minors.
Zixia Song*, School of Mathematics, Georgia Institute of Technology
Robin Thomas, School Of Mathematics, Georgia Institute of Technology
(98505227)

9:00 a.m.

Sunday April 6, 2003, 9:00 a.m.11:50 a.m.
Special Session on Cryptography and Computational and Algorithmic Number Theory, IV
Room 205, Ballantine Hall
Organizers:
Joshua Holden, RoseHulman Institute of Technology holden@rosehulman.edu
John Rickert, RoseHulman Institute of Technology john.rickert@rosehulman.edu
Jonathan Sorenson, Butler University sorenson@butler.edu
Andreas Stein, University of Illinois at UrbanaChampaign andreas@math.uiuc.edu

9:00 a.m.
Are there enough primes for cryptography?
Samuel S Wagstaff*, Purdue University
(9851128) 
9:30 a.m.
FPGABased Hyperelliptic Curve Cryptosystems.
T. Charles Clancy*, University of Illinois
(9859478) 
10:00 a.m.
Break 
10:30 a.m.
Asymptotically fast group operations on Jacobians of general curves.
Kamal KhuriMakdisi*, Center for Advanced Mathematical Sciences, American University of Beirut
(98514187) 
11:30 a.m.
Some comments on group independent secret sharing schemes.
Brian S King*, Purdue School of Eng. & Tech., IUPUI
(9859424)

9:00 a.m.

Sunday April 6, 2003, 9:00 a.m.11:20 a.m.
Special Session on Operator Algebras and Their Applications, III
Room 217, Ballantine Hall
Organizers:
Jerry Kaminker, Indiana UniversityPurdue University Indianapolis kaminker@math.iupui.edu
Ronghui Ji, Indiana UniversityPurdue University Indianapolis ronji@math.iupui.edu

9:00 a.m.
Heat kernels for perturbed Dirac operators.
Jeffrey Fox, University of Colorado
Peter Haskell*, Virginia Tech
(98558106) 
9:30 a.m.
Some remarks on the universal coefficient theorem in KKtheory.
Marius Dadarlat*, Purdue University
(98546124) 
10:00 a.m.
The KadisonSinger problem as a combinatorial problem.
Nik Weaver*, Washington University
(9850596) 
10:30 a.m.
Operator Trigonomety.
Morteza Seddighin*, Indiana UniversityEast
(9854726) 
11:00 a.m.
Rectifiable diameters of the Grassmann spaces of certain von Neumann algebras and C*algebras.
Shuang Zhang*, University of Cincinnati
(98546197)

9:00 a.m.

Sunday April 6, 2003, 9:00 a.m.12:20 p.m.
Special Session on Codimension One Splittings of Manifolds, IV
Room 236, Ballantine Hall
Organizers:
James F. Davis, Indiana University jfdavis@indiana.edu
Andrew A. Ranicki, University of Edinburgh aar@maths.ed.ac.uk

9:00 a.m.
Controlled algebraic Ktheory.
Frank S Quinn*, Virginia Tech
(9851979) 
9:30 a.m.
On the rho invariant for manifolds with boundary.
Paul Kirk*, Indiana University
Matthias Lesch, Universitat zu Koln
(9855774) 
10:00 a.m.
Etainvariants as obstructions to a knot in $S^3$ being slice or ribbon.
Stefan K Friedl*, Brandeis University
(9855465) 
10:30 a.m.
Break 
11:00 a.m.
Examples of Exotic Stratifications.
Bruce Hughes*, Vanderbilt University
(98557113) 
11:30 a.m.
Applications of codimension one splittings of analytic invariants.
Sylvain Cappell*, New YorK University
Ronnie Lee, Yale University
Edward Miller, Polytechnic University
(98557340) 
12:00 p.m.
Discussion

9:00 a.m.

Sunday April 6, 2003, 9:00 a.m.11:20 a.m.
Special Session on Stochastic Analysis with Applications, IV
Oak Room, Indiana Memorial Union
Organizers:
Jin Ma, Purdue University majin@math.purdue.edu
Frederi Viens, Purdue University viens@stat.purdue.edu

9:00 a.m.
Some Processes Associated with a Fractional Brownian Motion.
Tyrone E. Duncan*, University of Kansas
(9856099) 
10:00 a.m.
How to solve a Dirichlet problem via RBSDEs.
Ziyu Zheng*, Assistant Prof./University of WisconsinMilwaukee
(9856022) 
10:30 a.m.
Representation of Solutions to Backward SDEs Associated with a Degenerate Forward SDE.
Jianfeng Zhang*, University of Minnesota
(98560132) 
11:00 a.m.
On conformal images of reflecting Brownian motions in smooth domains and applications.
Mihai N Pascu*, Department of Mathematics, Purdue University
(98560259)

9:00 a.m.

Sunday April 6, 2003, 9:00 a.m.12:25 p.m.
Special Session on Algebraic Topology, IV
Room 214, Ballantine Hall
Organizers:
Randy McCarthy, University of Illinois, UrbanChampaign randy@math.uiuc.edu
Ayelet Lindenstrauss, Indiana University ayelet@math.indiana.edu

9:00 a.m.
Refining topological realization of Aalgebras by cobordism.
Donald Yau*, University of Illinois at Urbana Champaign
(9855585) 
10:00 a.m.
The tensor product of permutative categories.
A. D. Elmendorf*, Purdue University Calumet
(9855595) 
11:00 a.m.
An operad that acts on cochains of a spectrum.
Jim McClure*, Purdue University
Stefan Schwede, University of Muenster
Jeff Smith, Purdue University
(9855589) 
12:00 p.m.
Controlled homotopy theory of simplicial sets.
Dan Isaksen*, University of Notre Dame
Dan Christensen, University of Western Ontario
(9855588)

9:00 a.m.

Sunday April 6, 2003, 9:30 a.m.11:50 a.m.
Special Session on Ergodic Theory and Dynamical Systems, IV
Room 006, Ballantine Hall
Organizers:
Roger L. Jones, DePaul University rjones@condor.depaul.edu
Ayse A. Sahin, DePaul University asahin@condor.depaul.edu

9:30 a.m.
Full bubble growth rate and the embedding of finite to one extensions of nonperiodic $Z^2$ subshifts into the domino tiling shift.
Sam Lightwood*, The George Washington University
Ayse Sahin, DePaul University
(98537322) 
10:00 a.m.
Ordered full shifts.
William Geller*, Indiana Univ.Purdue Univ. Indianapolis
Michal Misiurewicz, Indiana Univ.Purdue Univ. Indianapolis
(98537317) 
10:30 a.m.
Asymptotic Randomization of Multidimensional Finitetype Subshifts by Linear Cellular Automata.
Marcus Pivato*, Trent University
Reem Yassawi, Trent University
(98537101) 
11:00 a.m.
Ergodic Averages with Generalized Weights.
Dogan Comez*, North Dakota State University
Semyon N Litvinov, Penn State UniversityHazleton
(98537300) 
11:30 a.m.
A new look at strong sweeping out for lacunary sequences.
Roger L Jones*, DePaul University
(98537222)

9:30 a.m.

Sunday April 6, 2003, 9:30 a.m.11:45 p.m.
Special Session on Probability, IV
Sassafras Room, Indiana Memorial Union
Organizers:
Russell D. Lyons, Indiana University rdlyons@indiana.edu
Robin A. Pemantle, Ohio State University pemantle@math.ohiostate.edu

9:30 a.m.
Crossing numbers and the probabilistic method.
Laszlo A Szekely*, NCBI/NLM/NIH and USC
(98505167) 
10:30 a.m.
Projection of measures and geodesic flows.
Elon B. Lindenstrauss*, Stanford University
(98560209) 
11:00 a.m.
The Connection between Randomness Extractors and Expander Graphs.
Salil P Vadhan*, Harvard University
(98505277)

9:30 a.m.

Sunday April 6, 2003, 12:30 p.m.3:20 p.m.
Special Session on Stochastic Analysis with Applications, V
Oak Room, Indiana Memorial Union
Organizers:
Jin Ma, Purdue University majin@math.purdue.edu
Frederi Viens, Purdue University viens@stat.purdue.edu

12:30 p.m.
A measuretheoretic approach to stochastic integration.
Ron Blei*, University of Connecticut
(98560325) 
1:00 p.m.
Stationary busy period distributions in queues and exit problems for Levy processes.
Parijat Dube, IBM Research
Fabrice M Guillemin, France Telecom R & D
Ravi R Mazumdar*, Purdue University
(98560336) 
1:30 p.m.
Weak survival of anisotropic contact processes on trees.
Thomas M Sellke*, Purdue University
Steven P. Lalley, Univ.of Chicago
(98560319) 
2:00 p.m.
Options and Discontinuity: An asymptotic decomposition of hedging errors.
Seongjoo Song*, Purdue University
(98560111) 
2:30 p.m.
Extreme events in financial markets.
Maria Cristina Mariani*, Department of Statistics  Purdue University
(98560247) 
3:00 p.m.
Discussion

12:30 p.m.