AMS Sectional Meeting Full Program
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1997 Fall Southeastern Sectional Meeting
Atlanta, GA, October 1719, 1997
Meeting #926
Associate secretaries: Robert J Daverman, AMS daverman@math.utk.edu
Friday October 17, 1997

Friday October 17, 1997, 11:00 a.m.4:00 p.m.
Meeting Registration
Room 255, Skiles Classroom Building

Friday October 17, 1997, 11:00 a.m.4:00 p.m.
Exhibit and Book Sale
Room 255, Skiles Classroom Building

Friday October 17, 1997, 1:45 p.m.2:35 p.m.
Invited Address
New trends in partial differential equations, calculus of variations, and applications to problems in materials science.
Auditorium, College of Architecture
Irene Fonseca*, CarnegieMellon University

Friday October 17, 1997, 3:00 p.m.6:20 p.m.
Special Session on SetTheoretic Techniques in Topology and Analysis, I
Room 168, Skiles Classroom Building Organizers: Gary F. Gruenhage, Auburn University garyg@mail.auburn.edu
Piotr Koszmider, Auburn University piotr@mail.auburn.edu

3:00 p.m.
Some applications of set theory to topology
Franklin D Tall*, University of Toronto
(9265486)

3:30 p.m.
Set Theoretic Real Analysis
Krzysztof Ciesielski*, West Virginia University
(92626114)

4:00 p.m.
Set Theory and Geometry.
Paul Erd\"{o}s,
Steve Jackson*, University of North Texas
R. Daniel Mauldin, University of North Texas
(9260437)

4:30 p.m.
Homogeneity in the square of a rigid subspace of the real line
L. Brian Lawrence*, George Mason University
(92654236)

5:00 p.m.
Sharp bases and weakly uniform bases versus pointcountable bases
Aleksander V. Arhangel'skii, Ohio University
Winfried Just, Ohio University
E. A. Reznichenko, Moscow University
Paul J. Szeptycki*, Ohio University
(92654238)

5:30 p.m.
Unions of Rectifiable Curves in Euclidean Space and the Covering Number of the Meagre Ideal.
Juris Stepr\={a}ns*,
(9260487)

6:00 p.m.
Universal summands for families of measurable functions.
Tomasz Natkaniec*, Gda{\'n}sk University
(92626182)

Friday October 17, 1997, 3:00 p.m.5:20 p.m.
Special Session on The Dynamics and Topology of Low Dimensional Flows, I
Room 149, Skiles Classroom Building Organizers: Michael C. Sullivan, Southern Illinois University at Carbondale mcs@math.nwu.edu
Robert W. Ghrist, University of Texas at Austin ghrist@math.utexas.edu

3:00 p.m.
Knotted periodic orbits  problems and obsessions
Robert F. Williams*, The University of Texas at Austin
(92658234)

3:30 p.m.
Stable Ergodicity of Anosov Flows
Keith Burns,
Amie Wilkinson*,
(92658211)

4:00 p.m.
MasterSlave synchronization
Charles P. Tresser,*, IBM
(9265872)

4:30 p.m.
Invariants of twistwise flow equivalence
Michael C Sullivan*, Southern Ill. Univ.
(9265852)

Friday October 17, 1997, 3:00 p.m.6:20 p.m.
Special Session on Modern Banach Space Theory, I
Room 249, Skiles Classroom Building Organizers: Stephen Dilworth, University of South Carolina dilworth@math.sc.edu
Maria K. Girardi, University of South Carolina girardi@math.sc.edu

3:00 p.m.
Asymptotically isometric copies of $c_{0}$ and renormings of Banach spaces.
Patrick N Dowling*, Miami University
(92646138)

3:30 p.m.
Extremal structure in K\"otheBochner spaces
Mark A Smith*, Miami University
(92646264)

4:00 p.m.
The DunfordPettis property for symmetric spaces
Anna Kami\'nska*, The University of Memphis
(92646170)

4:30 p.m.
Twisted sums, FenchelOrlicz spaces and property (M)
George Androulakis, University of Missouri
Constantin D. Cazacu*, University of Missouri
Nigel J. Kalton, University of Missouri
(9264655)

5:00 p.m.
Remarks on subspaces of $c_0$
Nigel Kalton*, University of Missouri
(92646208)

5:30 p.m.
The Spaces $L_p(w)$, $0
James W Roberts*, University of South Carolina
(9264696)

6:00 p.m.
The w$^*$ Topology and Optionpricing
Thomas B Schlumprecht*, Texas A&M University
(9264690)

Friday October 17, 1997, 3:00 p.m.6:20 p.m.
Special Session on Stochastic Inequalities and Their Applications, I
Room 202, Skiles Classroom Building Organizers: Theodore P. Hill, Georgia Institute of Technology hill@math.gatech.edu
Christian Houdr\'e, Georgia Institute of Technology houdre@math.gatech.edu

3:00 p.m.
On the maximal inequalities for VC classes
Rafa{\l} Lata{\l}a*, Warsaw University and Georgia Institute of Technology
(92660121)

3:30 p.m.
Some Prophet Problems in Mathematical Finance
Robert P Kertz*, Georgia Institute of Technology
(92660188)

4:00 p.m.
Independence of multiple stable and other stochastic integrals
Jan Rosinski*, University of Tennessee, Knoxville
Gennady Samorodnitsky, Cornell University
(92660278)

4:30 p.m.
Relationship Between Stochastic Inequalities and Some Classical Mathematical Inequalities
Yung L Tong*, Georgia Institute of Technology
(9266084)

5:00 p.m.
Two sharp inequalities related to measurepartitioning in statistics and fair division theory
Pieter Cornelis Allaart*, Free University of Amsterdam
(92660144)

5:30 p.m.
Variance inequalities for some multivariate distributions
WanYing Chang,
Donald St.P. Richards*,
(9266063)

6:00 p.m.
Some tail inequalities for Wiener functionals
Christian Houdré, Georgia Tech.
Victor PérezAbreu*, CIMAT
(92660246)

Friday October 17, 1997, 3:00 p.m.6:10 p.m.
Special Session on Discrete Conformal Geometry, I
Room 243, Skiles Classroom Building Organizers: Philip Lee Bowers, Florida State University bowers@math.fsu.edu

3:00 p.m.
Riemann surfaces, plane algebraic curves, and their period matrices
Patrizia Gianni, Universita di Pisa
Mika Sepp\"al\"a*, Florida State University
Robert Silhol, Universite de Montpellier II
Barry Trager, IBM Research
(92614277)

3:40 p.m.
Computing values of quadratic differentials on Riemann surfaces
Pekka Smolander*,
(9263078)

4:20 p.m.
Combinatorially short homology bases.
Peter Buser*,
Mika Sepp\"al\"a,
(92630184)

5:00 p.m.
Hurwitz Spaces and Representations of Subgroups of Braid Groups
Eric P Klassen*, Florida State University
Yaacov Kopeliovich, Florida State University
(92657279)

5:40 p.m.
Conformal Welding and Circle Packing
George B Williams, Jr*, University of Tennessee, Knoxville
(92630133)

Friday October 17, 1997, 3:00 p.m.6:20 p.m.
Special Session on Concrete Aspects of Real Polynomials, I
Room 268, Skiles Classroom Building Organizers: Victoria Ann Powers, Emory University vicki@mathcs.emory.edu
Bruce A. Reznick, University of Illinois, ChampaignUrbana reznick@math.uiuc.edu

3:00 p.m.
An elementary proof of Schm\"udgen's Theorem in one variable.
Victoria Powers*, Emory University
Bruce Reznick, University of Illinois
(92614157)

3:30 p.m.
Describing Convex Sets in $\mathbb{R}^2$ with 3 Inequalities
Kathleen M Krzastek*, Emory University
(92614231)

4:00 p.m.
Infinitely near base conditions and the 3dimensional separation conjecture.
James J Madden*, LSU
(92614202)

4:30 p.m.
Generalizing Newton Identities to the multivariate case
GonzalezVega Laureano*,
GonzalezLopez MariaJose,
(92614181)

5:00 p.m.
A family of real polynomials and its applications to robot kinematics.
Jaime Gutierrez, Universidad de Cantabria
Tomas J Recio*, Universidad de Cantabria
(9261474)

5:30 p.m.
An Improved Algorithm for Quantifier Elimination Over Real Closed Fields.
Saugata Basu*, IBM T.J. Watson Research Center
(92668130)

6:00 p.m.
Real Large Solving
J. Maurice Rojas*, MIT
(92665225)

Friday October 17, 1997, 3:00 p.m.6:20 p.m.
Special Session on Nonlinear Dynamics and Applications, I
Room 146, Skiles Classroom Building Organizers: Wenxian Shen, Auburn University ws@math.auburn.edu
Yingfei Yi, Georgia Institute of Technology yi@math.gatech.edu

3:00 p.m.
Competition in a chemostat with an internally generated inhibitor
S. B. Hsu,
P. Waltman*,
(92692127)

3:30 p.m.
ReactionDiffusion models of microbial growth and competition
Hal Smith*, Arizona State Unversity
(92692179)

4:00 p.m.
Persistence for nonautonomous semiflows
Horst R Thieme*, Arizona State University
(92634156)

4:30 p.m.
Synchronization and Pattern Formation in Delayed Systems from Neural Nets
Jianhong Wu*, York University, Canada
(92634197)

5:00 p.m.
Stability and Bifurcation in a DelayDifferential Equation with Two Delays
Xiangao Li,
Shigui Ruan, **,
Junjie Wei,
(92634224)

5:30 p.m.
Mathematical models for the disease dynamics of TB
Zhilan Feng*, Purdure Unversity
(92692180)

6:00 p.m.
A Global Stability Criterion for Nonlinear Difference Systems
Michael Y Li*, Mississippi State University
(92639120)

Friday October 17, 1997, 3:00 p.m.5:50 p.m.
Special Session on Discrete and Combinatorial Geometry, I
Room 246, Skiles Classroom Building Organizers: Andr\'as Bezdek, Auburn University bezdean@mail.auburn.edu
Wlodzimierz Kuperberg, Auburn University kuperwl@mail.auburn.edu

3:00 p.m.
On the number of empty lattice simplices
Imre B\'ar\'any*, Mathematical Institute of the Hungarian Academy of Sciences
JeanMichel Kantor,
(92652215)

3:30 p.m.
On the Surface Area of Voronoi Polyhedra in Lattice (unit)Sphere Packings in $E^3$
K\'aroly Bezdek*, E\"otv\"os University, Budapest, Hungary
(9265298)

4:00 p.m.
Generalizing cyclic polytopes
Tibor Bisztriczky*, The University of Calgary
(9265279)

4:30 p.m.
Lattice kplanes and the convex hull of lattice points in a smooth body
Imre B\'ar\'any,
K\'aroly B\"or\"oczky, Jr.*, Math. Inst. Hung. Acad. Sci.
Imre Z. Ruzsa,
(92652221)

5:00 p.m.
Minimal translation covers for sets of diameter one
Karoly Bezdek, Eotvos University
Robert Connelly*, Cornell University
(92652258)

5:30 p.m.
Some Theorems on Strictly Ordered but Aperiodic Structures in Euclidean Spaces
Ludwig W Danzer*,
(92652228)

Friday October 17, 1997, 3:00 p.m.6:50 p.m.
Special Session on Recent Developments in PDE's, Calculus of Variations, and Applications to Problems in Materials Science, I
Room 254, Skiles Classroom Building Organizers: Irene Fonseca, Carnegie Mellon University fonseca@andrew.cmu.edu
Daniel Phillips, Purdue University phillips@math.purdue.edu
Vladimir Sverak, University of Minnesota sverak@math.umn.edu

3:00 p.m.
The variational formulation of the FokkerPlanck Equation and its consequences
David Kinderlehrer*, Carnegie Mellon University
(9263580)

4:00 p.m.
Deformable Thin Films: From Macroscale to Microscale and Nanoscale to Microscale
Richard D. James*, University of Minnesota
(92673187)

5:00 p.m.
Energetics in martensites
Oscar P. Bruno*,
(9264909)

6:00 p.m.
The Gammalimit of GinzburgLandau functionals
Robert L Jerrard*,
H. M. Soner,
(92649219)

6:30 p.m.
Motion of a closed interface by minus the surface Laplacian of curvature
Sergio A. Alvarez,
Chun Liu*, CMU/UGA
(92635185)

Friday October 17, 1997, 3:00 p.m.5:45 p.m.
Special Session on Applications of Symbolic Computation to Differential Equations, I
Room 270, Skiles Classroom Building Organizers: James Herod, Georgia Tech herod@math.gatech.edu
Maria Clara Nucci, University of Perugia, Italy nucci@unipg.it

3:00 p.m.
Predicting the Existence of Limits of Solutions to ODEs with a Quadratic Nonlinearity
Timothy G Howard*, Columbus State University
(92634240)

4:00 p.m.
Using Symbolic Manipulation to Find Approximate Solutions
T. D. Morley*, Georgia Tech
(92635135)

5:00 p.m.
Theory and Application of Boundary Value Problems for ODEs
Douglas B. Meade*, University of South Carolina
(92698210)
Saturday October 18, 1997

Saturday October 18, 1997, 7:30 a.m.4:00 p.m.
Meeting Registration
Room 255, Skiles Classroom Building

Saturday October 18, 1997, 7:30 a.m.4:00 p.m.
Exhibit and Book Sale
Room 255, Skiles Classroom Building

Saturday October 18, 1997, 8:00 a.m.10:50 a.m.
Special Session on SetTheoretic Techniques in Topology and Analysis, II
Room 168, Skiles Classroom Building Organizers: Gary F. Gruenhage, Auburn University garyg@mail.auburn.edu
Piotr Koszmider, Auburn University piotr@mail.auburn.edu

8:00 a.m.
Actions of noncompact groups
Slawomir Solecki*, Indiana University
(92622152)

8:30 a.m.
How are "denseness" of a subspace and Pospisil's estimate affected by a nonAbelian group structure?
Stephen Watson*, York University
(92622242)

9:00 a.m.
Groupwise Density
Andreas R. Blass*, University of Michigan
(92603220)

9:30 a.m.
Some topological properties viewed through filter combinatorics
Claude Laflamme*, University of Calgary
(92654175)

10:00 a.m.
Continuous functions on sets of real numbers.
Marion Scheepers*, Boise State University
(9265443)

10:30 a.m.
An EitherOr Chain Condition for Boolean Spaces
Murray G. Bell*,
(9265438)

Saturday October 18, 1997, 8:00 a.m.10:50 a.m.
Special Session on Modern Banach Space Theory, II
Room 249, Skiles Classroom Building Organizers: Stephen Dilworth, University of South Carolina dilworth@math.sc.edu
Maria K. Girardi, University of South Carolina girardi@math.sc.edu

8:00 a.m.
Intersection bodies and the BusemannPetty problem
Alexander Koldobsky*, University of Texas at San Antonio
(9265223)

8:30 a.m.
On the paffine surface area
Elisabeth M Werner*, Case Western Reserve University
Mathieu Meyer, Universite Marne la Vallee
(92652217)

9:00 a.m.
Approximation of convex bodies by polytopes
Carsten H Schutt*,
(92652216)

9:30 a.m.
Some more $\ell_2$ saturated weak Hilbert spaces
George Androulakis, University of MissouriColumbia
Peter G. Casazza, University of MissouriColumbia
Denka N. Kutzarova*,
(92646106)

10:00 a.m.
On the Szlenk index and the $\ell_1^+$ index of a Banach space
Dale Alspach, Oklahoma State University
Robert Judd*, The University of Texas at Austin
Edward Odell, The University of Texas at Austin
(92646108)

10:30 a.m.
Subspaces without local unconditional structure in $\ell_2(X)$
Ryszard A. Komorowski, Technical University, Wroclaw
Nicole TomczakJaegermann*, University of Alberta
(92646262)

Saturday October 18, 1997, 8:00 a.m.10:50 a.m.
Special Session on Nonlinear Dynamics and Applications, II
Room 146, Skiles Classroom Building Organizers: Wenxian Shen, Auburn University ws@math.auburn.edu
Yingfei Yi, Georgia Institute of Technology yi@math.gatech.edu

8:00 a.m.
Dynamics of spatially discrete systems.
John MalletParet*, Brown University
(92635272)

8:30 a.m.
Invariant manifolds for semiflows in Banach space
Peter W Bates*, BYU
Kening Lu, BYU
Chongchun Zeng, NYU
(9263585)

9:00 a.m.
Sphericity in multiparticle diffusion.
Nick D Alikakos*, U of Tenn, and U of Athens
Giorgio Fusco, Universita di L'Aquila
Gieri Simonett,
(9263565)

9:30 a.m.
Qualitative Behavior of Solutions of a Chemotactic Diffusion System
Xuefeng Wang*, Tulane University
(92635254)

10:00 a.m.
Existence and bifurcation of solutions to reactiondiffusion systems
James R. Ward, jr.*,
(92635226)

10:30 a.m.
Uniqueness of Bistable Traveling Wave for Mutualist Species
Wenzhang Huang*,
(92634230)

Saturday October 18, 1997, 8:00 a.m.10:50 a.m.
Special Session on Discrete and Combinatorial Geometry, II
Room 246, Skiles Classroom Building Organizers: Andr\'as Bezdek, Auburn University bezdean@mail.auburn.edu
Wlodzimierz Kuperberg, Auburn University kuperwl@mail.auburn.edu

8:00 a.m.
Covering the greatest part of a convex disc by congruent circles
G\'abor Fejes T\'oth*,
(92652223)

8:30 a.m.
On Some Problems and Results in Combinatorial Geometry.
Zolt\'an F\"uredi*, University of Illinois, Urbana, and Hungarian Academy of Sciences,
(92652295)

9:00 a.m.
Sphere Packings, V
Samuel P Ferguson*,
(92651196)

9:30 a.m.
Computers and Sphere Packings
Thomas C Hales*, University of Michigan
(92652287)

10:00 a.m.
Minimum limited snakes
Heiko Harborth*, Technische Universit\"at Braunschweig
(9265258)

10:30 a.m.
The Gr\"unbaumDress Polyhedra
Egon Schulte*, Northeastern University
(92651118)

Saturday October 18, 1997, 8:00 a.m.10:50 a.m.
Special Session on Recent Developments in PDE's, Calculus of Variations, and Applications to Problems in Materials Science, II
Room 254, Skiles Classroom Building Organizers: Irene Fonseca, Carnegie Mellon University fonseca@andrew.cmu.edu
Daniel Phillips, Purdue University phillips@math.purdue.edu
Vladimir Sverak, University of Minnesota sverak@math.umn.edu

8:00 a.m.
Problems and Theorems related to the Nodal and Critical Sets of Solutions of Elliptic PDE's
FangHua Lin*, university of chicago
(92635203)

9:00 a.m.
The $\infty$eigenvalue problem
Peter Lindqvist,
Juan J Manfredi*,
(92635227)

10:00 a.m.
Connected components of free discontinuity sets in image segmentation and fracture mechanics
Christopher J. Larsen*, WPI
(92649201)

10:30 a.m.
Exact relations for effective tensors of polycrystals.
Yury Grabovsky*, Department of Mathematics University of Utah
(9267316)

Saturday October 18, 1997, 8:00 a.m.10:45 a.m.
Special Session on Applications of Symbolic Computation to Differential Equations, II
Room 270, Skiles Classroom Building Organizers: James Herod, Georgia Tech herod@math.gatech.edu
Maria Clara Nucci, University of Perugia, Italy nucci@unipg.it

8:00 a.m.
Visualizing 3D Systems of Differential Equations with Maple
William C Bauldry*, Appalachian State U
Sue A Bauldry, Wake Forest U
(9269289)

9:00 a.m.
Vignettes: Maple in the DE Classroom
Robert J Lopez*, RoseHulman Institute of Technology
(92698259)

10:00 a.m.
Computer Assisted Determination of Iterated Symmetries
Scott A Herod*,
(92635232)

Saturday October 18, 1997, 8:20 a.m.10:50 a.m.
Special Session on Discrete Conformal Geometry, II
Room 243, Skiles Classroom Building Organizers: Philip Lee Bowers, Florida State University bowers@math.fsu.edu

8:20 a.m.
Aperiodic tiling
Charles Radin*,
(92651147)

9:00 a.m.
A Conformal Generalization of the Pinwheel Tiling
Lorenzo A Sadun*,
(92651110)

9:40 a.m.
Conformality of rotationally invariant finite subdivision rules
James W Cannon,
William J Floyd*,
Walter R Parry,
(92630119)

10:20 a.m.
Galois actions on maps on Riemann surfaces
Gareth A. Jones*, University of Southampton
(92651166)

Saturday October 18, 1997, 8:30 a.m.10:50 a.m.
Special Session on The Dynamics and Topology of Low Dimensional Flows, II
Room 149, Skiles Classroom Building Organizers: Michael C. Sullivan, Southern Illinois University at Carbondale mcs@math.nwu.edu
Robert W. Ghrist, University of Texas at Austin ghrist@math.utexas.edu

8:30 a.m.
Contact Topology and the Hydrodynamic Seifert Conjecture
John B. Etnyre,
Robert W. Ghrist*,
(9265846)

9:00 a.m.
Templates and Hopf algebras
Louis H. Kauffman, University of Illinois at Chicago, 851 S. Morgan St.
Masahico Saito*, University of South Florida
Michael C. Sullivan, Southern Illinois University at Carbondale
(92657199)

9:30 a.m.
Periodic points from periodic prime ends
Marcy Barge, Montana State University State University
Krystyna Kuperberg*, Auburn University
(92658212)

10:00 a.m.
Contact Anosov Perturbations of Locally Symmetric Geodesic Flows
Jeffrey R Boland*,
(92670250)

10:30 a.m.
New dynamical invariants on hyperbolic manifolds.
Philip L. Boyland*, University of Florida
(9265841)

Saturday October 18, 1997, 8:30 a.m.10:50 a.m.
Special Session on Stochastic Inequalities and Their Applications, II
Room 202, Skiles Classroom Building Organizers: Theodore P. Hill, Georgia Institute of Technology hill@math.gatech.edu
Christian Houdr\'e, Georgia Institute of Technology houdre@math.gatech.edu

8:30 a.m.
Moment inequalities for sums of independent random vectors
Krzysztof Oleszkiewicz*, Warsaw University
(9266076)

9:00 a.m.
Control and Stopping of a Diffusion Process on an Interval
Ioannis Karatzas,
William D Sudderth*,
(92660195)

9:30 a.m.
Inequalities and applications connected with the $\rho^*$mixing condition for stochastic processes
Richard C Bradley*, Indiana University
(9266047)

10:00 a.m.
Some Correlation Inequalities
Gideon Schechtman,
Thomas Schlumprecht,
Joel Zinn*,
(92660222)

10:30 a.m.
A Bonferronitype inequality and limit theorems for sums of dependent random vectors
Adam Jakubowski*, Nicholas Copernicus University
(92660113)

Saturday October 18, 1997, 8:30 a.m.10:50 a.m.
Special Session on Concrete Aspects of Real Polynomials, II
Room 268, Skiles Classroom Building Organizers: Victoria Ann Powers, Emory University vicki@mathcs.emory.edu
Bruce A. Reznick, University of Illinois, ChampaignUrbana reznick@math.uiuc.edu

8:30 a.m.
Polynomials with Concentration at Low Degrees
Per H Enflo*, Kent State Univ.
(92612204)

9:00 a.m.
Perturbing polynomials with all their roots on the unit circle
Michael J. Mossinghoff*, Appalachian State University
Christopher G. Pinner, Flinders University of South Australia
Jeffrey D. Vaaler, University of Texas at Austin
(92612177)

9:30 a.m.
Inequalities for polynomials with 1,0,1 coefficients
Tamas Erdelyi*,
(92641235)

10:00 a.m.
Singular points and limit cycles of planar polynomial vector fields
Ilia Itenberg*, Institut de Recherche Math\'ematique de Rennes, France
Eugenii Shustin, Tel Aviv University, Israel
(92634123)

10:30 a.m.
The control of linear systems and Shapiros's conjecture
Frank J Sottile*, Department of Mathematics, University of Toronto
(9261456)

Saturday October 18, 1997, 8:30 a.m.10:50 a.m.
Special Session on Complex and Algebraic Dynamics and Applications, I
Room 143, Skiles Classroom Building Organizers: Marek R. Rychlik, University of Arizona rychlik@math.arizona.edu

8:30 a.m.
Dynamics of Holomorphic Correspondences.
Christopher Shaun Penrose*, Queen Mary and Westfield College, University of London
(92658282)

9:00 a.m.
Correspondence and Translation Principles for the Mandelbrot set
Karsten Keller*,
(92630153)

9:30 a.m.
Decay of Gemetry in the Cubic Family
Gregory Swiatek*, Penn State
(92658266)

10:00 a.m.
On dynamics of regular polynomial endomorphisms of C$^N$.
Mattias Jonsson*,
Eric Bedford, Indiana University
(92658280)

10:30 a.m.
Discussion and Problem Session

Saturday October 18, 1997, 8:45 a.m.10:55 a.m.
Session on Contributed Papers, I
Room 171, Skiles Classroom Building

8:45 a.m.
Introduction to the theory of development
Viktor V. Ivanov*, St. Petersburg, FL
(9269257)

9:00 a.m.
Blowup of Solutions for Nonlinear Wave Equations in High Dimensions
Hengli Jiao*, Jackson State University
(92635148)

9:15 a.m.
Regulation of singular ODE's modeling oscillating systems
Ronald E Mickens*, Clark Atlanta University
(92634198)

9:30 a.m.
Slow motion in higherorder systems and $\Gamma$convergence in one space dimension
William D. Kalies,
Robert C.A.M. VanderVorst,
Thomas Wanner*, Universit\"at Augsburg
(9263582)

9:45 a.m.
SetTheoretical technique of H  Limit of Hausdorff Spectra of H  Spaces
Eugeny I Smirnov*, Russia
(9264613)

10:00 a.m.
Density of infinite Markov systems
Alfredo L\'azaro Gonz\'alez, Universidad Nacional de Mar del Plata, Argentina
Richard A. Zalik*, Auburn University
(92641263)

10:15 a.m.
Quadratic Volume preserving maps
Hector E Lomeli*, University of Colorado, Boulder
James D Meiss, Professor
(9265822)

10:30 a.m.
Transverse homoclinic orbits for maps without horseshoes
Evelyn Sander*, Georgia Tech
(9265883)

10:45 a.m.
Some remarks on a paper by S.G.Slobodnik
Zbigniew Piotrowski*, Youngstown State University
(9265495)

Saturday October 18, 1997, 9:00 a.m.10:50 a.m.
Special Session on Harmonic Analysis and Its Applications, I
Room 271, Skiles Classroom Building Organizers: Michael Lacey, Georgia Institute of Technology lacey@math.gatech.edu

9:00 a.m.
Canonical Bilinear operators on Hardy spaces and Time frequency analysis
John E. Gilbert, The University of Texas at Austin
Andrea Nahmod*, Institute for Advanced Study
(92642274)

9:30 a.m.
From Bilinear operators with nonsmooth symbols to Bilinear Cone operators.
John E. Gilbert*, The University of Texas at Austin
Andrea Nahmod, Institute for Advanced Study
(92642273)

10:00 a.m.
On geometry and phase plane analysis
Jose A Barrionuevo*, University of South Alabama
Michael T Lacey,
(92642207)

10:30 a.m.
Geometric asymptotics and the logarithmic Sobolev inequality
William Beckner*, University of Texas at Austin
(92658154)

Saturday October 18, 1997, 11:10 a.m.12:00 p.m.
Invited Address
The bilinear Hilbert transform: New methods of phase plane analysis.
Auditorium, Van Leer Electrical and Computer Engineering Building
Michael T. Lacey*, Georgia Institute of Technology

Saturday October 18, 1997, 1:25 p.m.2:15 p.m.
Invited Address
The solution of the equichordal point problem and the dynamics of algebraic correspondences.
Auditorium, Van Leer Electrical and Computer Engineering Building
Marek R. Rychlik*, University of Arizona
(9265825)

Saturday October 18, 1997, 2:30 p.m.5:50 p.m.
Special Session on SetTheoretic Techniques in Topology and Analysis, III
Room 168, Skiles Classroom Building Organizers: Gary F. Gruenhage, Auburn University garyg@mail.auburn.edu
Piotr Koszmider, Auburn University piotr@mail.auburn.edu

2:30 p.m.
A strong generic ergodicity property of unitary conjugacy
Alexander S Kechris*,
(9260464)

3:00 p.m.
On duality between measure and category
Tomek Bartoszy\'{n}ski*, Boise State University
(92604162)

3:30 p.m.
Perfectly meager sets and weakly perfect ordered spaces
David J. Lutzer*, College of William and Mary
Harold R Bennett, Texas Tech University
Masami Hosobuchi, Tokyo Kasei Gakuin University
(9265435)

4:00 p.m.
Liftings for products of probability spaces
Maxim R Burke*, University of Prince Edward Island
(92628214)

4:30 p.m.
Matveev's variations on the theme of compactness and countable compactness
Winfried Just*,
Michael V. Matveev,
Paul J. Szeptycki,
(92654124)

5:00 p.m.
Remarks on property (a)
Jerry E Vaughan*,
(92654270)

5:30 p.m.
Continuous images of $\omega^*$ under PFA
Alan S Dow*,
Klaas Pieter Hart,
(92654253)

Saturday October 18, 1997, 2:30 p.m.4:50 p.m.
Special Session on The Dynamics and Topology of Low Dimensional Flows, III
Room 149, Skiles Classroom Building Organizers: Michael C. Sullivan, Southern Illinois University at Carbondale mcs@math.nwu.edu
Robert W. Ghrist, University of Texas at Austin ghrist@math.utexas.edu

2:30 p.m.
More on topological horseshoes: dynamical system topology preserved in the presence of noise
Judy A. Kennedy,*, University of Delaware
(92658117)

3:00 p.m.
Invariant sets for geodesic flows
Keith Burns*,
Mark Pollicott,
(9265393)

3:30 p.m.
Dense Orbits in Area Preservings Flows on Surfaces
Michael D. Hirsch*,
(9265811)

4:00 p.m.
Branched surfaces and the lift of foliations to the universal cover
Sandra L Shields*,
(92657229)

4:30 p.m.
"Conjectures on the discontinuous bifurcations in generic one parameter families of planar dynamical systems".
James A. Yorke*, University of Maryland
(92600289)

Saturday October 18, 1997, 2:30 p.m.6:20 p.m.
Special Session on Modern Banach Space Theory, III
Room 249, Skiles Classroom Building Organizers: Stephen Dilworth, University of South Carolina dilworth@math.sc.edu
Maria K. Girardi, University of South Carolina girardi@math.sc.edu

2:30 p.m.
Stonean representations of vectorvalued Orlicz spaces.
Peter Greim*, The Citadel
Henryk Hudzik, A.\ Mickiewicz University, Pozna\'n
(92646260)

3:00 p.m.
Spaces of uniformly convergent Fourier series
Scott F Saccone*, Washington University
(92646252)

3:30 p.m.
Approximation of Lipschitz maps by affine maps
S. Bates,
W. B. Johnson*, Texas A&M University
J. Lindenstrauss, The Hebrew University of Jerusalem
D. Preiss, University College London
G. Schechtman, The Weizmann Institute of Science
(92646200)

4:00 p.m.
On the uniform KadecKlee property
Edward Odell*, University of Texas at Austin
Helmut Knaust, University of Texas at El Paso
Thomas Schlumprecht,
(9264628)

4:30 p.m.
On super complete Banach spaces
Haskell Rosenthal*, The University of Texas at Austin
(92646151)

5:00 p.m.
Non commutative Disc Algebras
Alvaro Arias*, The University of Texas at San Antonio
(92647192)

5:30 p.m.
Sharpening spectral inequalities
Vania D Mascioni*,
(92647171)

6:00 p.m.
Operators on $C(\omega^\alpha)$ which do not preserve $C(\omega^\alpha)$
Dale E. Alspach*, Oklahoma State University
(92646107)

Saturday October 18, 1997, 2:30 p.m.4:20 p.m.
Special Session on Harmonic Analysis and Its Applications, II
Room 271, Skiles Classroom Building Organizers: Michael Lacey, Georgia Institute of Technology lacey@math.gatech.edu

2:30 p.m.
On the two weights problem for the Hilbert transform.
Mar\'{\i}a C. Pereyra*, Univ. of New Mexico
(92642288)

3:00 p.m.
($L^p, L^p$)mappings of oscillatory integrals.
Yi Biao Pan,
Gary Sampson*,
Pawel Szeptycki,
(9264294)

3:30 p.m.
Brownian Motion on Cones
Rodrigo Banuelos*,
Robert Smits,
(9263177)

4:00 p.m.
Smoothness of Wavelet Paraproducts
Andrew G. Bennett*, Kansas State University
Eric P. Canning, Kansas State University
(9264227)

Saturday October 18, 1997, 2:30 p.m.5:20 p.m.
Special Session on Computer Proofs in Set Theory and Logic, I
Room 171, Skiles Classroom Building Organizers: Johan G. F. Belinfante, Georgia Institute of Technology belinfan@math.gatech.edu

2:30 p.m.
The Emergence of Formalized Mathematics
Robert L. Constable*, Cornell University
(92603244)

3:00 p.m.
A Firstorder Logic Interactive Theorem Prover for Teaching Geometry
Richard D. Sommer*, Stanford University
Patrick Suppes, Stanford University
(92603249)

3:30 p.m.
Computer Proofs in Abstract Algebra
Kenneth Kunen*, University of Wisconsin
(92620109)

4:00 p.m.
On the decidability of word problems in quasivarieties.
David A. McAllester*, AT\&T Research
(92603245)

4:30 p.m.
The Comprehension Schema in Tableaux
Benjamin Price Shults*, Kenyon College
(92604102)

5:00 p.m.
Mizar  a proof assistant
Piotr Rudnicki*,
(92600155)

Saturday October 18, 1997, 2:30 p.m.5:50 p.m.
Special Session on Stochastic Inequalities and Their Applications, III
Room 202, Skiles Classroom Building Organizers: Theodore P. Hill, Georgia Institute of Technology hill@math.gatech.edu
Christian Houdr\'e, Georgia Institute of Technology houdre@math.gatech.edu

2:30 p.m.
The (s)Convex Orders Among Real Random Variables, With Applications.
Michel Denuit, Universit\'e Libre de Bruxelles
Claude Lef\`evre, Universit\'e Libre de Bruxelles
Moshe Shaked*, University of Arizona
(9266049)

3:00 p.m.
Convex Bodies and Gaussian Processes
Richard A. Vitale*, University of Connecticut
(9266029)

3:30 p.m.
Concentration of measure and Information Inequalities.
Amir Dembo*, Stanford University.
(92660276)

4:00 p.m.
A General Class of Exponential Inequalities for Martingales and Ratios.
Victor H de la Pena*, Columbia University
(92660164)

4:30 p.m.
Optimal Tail Comparison Based on Comparison of Moments
Iosif Pinelis*, Michigan Technological University
(9266017)

5:00 p.m.
An inequality of correlation type for stable vectors
Alexander Koldobsky*, University of Texas at San Antonio
(9266024)

5:30 p.m.
Limit theorems over a stationary sequence of random vectors
Miguel A. Arcones*, Univ. of Texas, Austin
(9266040)

Saturday October 18, 1997, 2:30 p.m.6:20 p.m.
Special Session on Discrete Conformal Geometry, III
Room 243, Skiles Classroom Building Organizers: Philip Lee Bowers, Florida State University bowers@math.fsu.edu

2:30 p.m.
Pleating structures for quasifuchsian space of once punctured tori
Linda Keen*, CUNY
Caroline Series,
(92632126)

3:10 p.m.
Towers of Riemann surfaces and virtual automorphisms of fundamental groups.
Subhashis Nag*, Cornell University {\it and} The Institute of Mathematical Sciences.
(9263061)

3:50 p.m.
Superrigidity of the mapping class group
Howard Masur*, University of Illinois at Chicago
Benson Farb, University of Chicago
(92657257)

4:30 p.m.
Geometry and combinatorics of curves on surfaces
Yair N Minsky*, SUNY at Stony Brook
(92657206)

5:10 p.m.
Geometry of some protein configurations.
J. R. Quine*, Florida State University
(92651261)

5:50 p.m.
Real analytic variation of moduli of ring domains
Clifford J. Earle*, Cornell University
(92630142)

Saturday October 18, 1997, 2:30 p.m.4:50 p.m.
Special Session on Concrete Aspects of Real Polynomials, III
Room 268, Skiles Classroom Building Organizers: Victoria Ann Powers, Emory University vicki@mathcs.emory.edu
Bruce A. Reznick, University of Illinois, ChampaignUrbana reznick@math.uiuc.edu

2:30 p.m.
Can an acuteangled cone be imbedded in a rightangled cone?
ManDuen Choi*, Department of Mathematics, University of Toronto
(9261573)

3:00 p.m.
Bad points for positive semidefinite polynomials
Charles N. Delzell*, Louisiana State Univ.
(92612174)

3:30 p.m.
Sums of Squares of Polynomials in $R[x,y]$
David B Leep*,
(92612168)

4:00 p.m.
Real Even Symmetric Forms
William R Harris*, Georgetown College
(92611137)

4:30 p.m.
Laws of inertia for higher degree forms
Bruce Reznick*,
(92615150)

Saturday October 18, 1997, 2:30 p.m.5:50 p.m.
Special Session on Nonlinear Dynamics and Applications, III
Room 146, Skiles Classroom Building Organizers: Wenxian Shen, Auburn University ws@math.auburn.edu
Yingfei Yi, Georgia Institute of Technology yi@math.gatech.edu

2:30 p.m.
Invariant tori for periodically perturbed oscillators
Carmen Chicone*, University of Missouri
(9263439)

3:00 p.m.
Evolution semigroups and their applications
Yuri Latushkin*, University of MissouriColumbia
(9263492)

3:30 p.m.
Generalized Floquet exponents for certain homoclinic orbits, and its applications in bifurcation and dynamics.
Weishi Liu*,
(9263453)

4:00 p.m.
Riemann Problem Solutions of Codimensions 0 and 1
Stephen Schecter*, North Carolina State University
(92635149)

4:30 p.m.
Method of singular characteristics for HamiltonJacobi equations that develop shock structures
XiaoBiao Lin*, NC State university
(92635194)

5:00 p.m.
Singular nonlinear multipoint conjugate boundary value problems
Paul W. Eloe, University of Dayton
Johnny Henderson*, Auburn University
(9263419)

5:30 p.m.
Connecting orbit structure of monotone solutions in the shadow system.
Hiroshi Kokubu*, Department of Mathematics, Kyoto University, Japan
Konstantin Mischaikow, CDSNS, School of Mathematics, Georgia Institute of Technology
Yasumasa Nishiura, Research Institute for Electronic Science, Hokkaido University, Japan
Hiroe Oka, Department of Applied Mathematics and Informatics,
Takeshi Takaishi, HiroshimaDENKI Institute of Technology, Japan
(9265845)

Saturday October 18, 1997, 2:30 p.m.5:20 p.m.
Special Session on Complex and Algebraic Dynamics and Applications, II
Room 143, Skiles Classroom Building Organizers: Marek R. Rychlik, University of Arizona rychlik@math.arizona.edu

2:30 p.m.
Homoclinic connections and Euler's finitedifference schemes
Alexander Tovbis*,
(9266570)

3:00 p.m.
New singular strange attractors arising from hyperbolic flows
Carlos A Morales*,
Maria J Pacifico,
(92658275)

3:30 p.m.
Propagation of singularities in billiards.
Leonid A Bunimovich*, Georgia Institute of Technology
(92658267)

4:00 p.m.
Stability and instability for polygonal outer billiards
Eugene Gutkin*, University of Southern California
(9265854)

4:30 p.m.
Discussion and Problem Session

Saturday October 18, 1997, 2:30 p.m.5:20 p.m.
Special Session on Discrete and Combinatorial Geometry, III
Room 246, Skiles Classroom Building Organizers: Andr\'as Bezdek, Auburn University bezdean@mail.auburn.edu
Wlodzimierz Kuperberg, Auburn University kuperwl@mail.auburn.edu

2:30 p.m.
Geometry of polygons
Branko Gr\"unbaum*, University of Washington
(92651115)

3:00 p.m.
Loose Ends in Knot Theory.
Jeffrey C Lagarias*, AT&T LabsResearch
(92657213)

3:30 p.m.
The construction of Grassmannian packings and quantum codes from orthogonal geometry.
Neil J. A. Sloane*, AT&T LabsResearch
(92651290)

4:00 p.m.
Exponential lower bound for the translative kissing numbers of $d$dimensional convex bodies
Istvan Talata*, Department of Mathematics, Auburn University
(92652218)

4:30 p.m.
Sphere Packings, Crystal and Quasicrystal Growth
Wills M. Joerg*,
(9265281)

5:00 p.m.
Critical points on convex surfaces
Tudor Zamfirescu*, University of Dortmund
(92652146)

Saturday October 18, 1997, 2:30 p.m.6:15 p.m.
Special Session on Recent Developments in PDE's, Calculus of Variations, and Applications to Problems in Materials Science, III
Room 254, Skiles Classroom Building Organizers: Irene Fonseca, Carnegie Mellon University fonseca@andrew.cmu.edu
Daniel Phillips, Purdue University phillips@math.purdue.edu
Vladimir Sverak, University of Minnesota sverak@math.umn.edu

2:30 p.m.
Relaxation of multiwell variational problems based on necessary conditions
Andrej V Cherkaev*, Department of Mathematics, University of Utah
(92649205)

3:30 p.m.
Geometric restrictions for the existence of viscosity solutions.
Wilfrid D. Gangbo*, Georgia Institute of Technology
(92649233)

4:30 p.m.
Inverting the $p$Harmonic Operator
Carlo Sbordone*, University of Napoli (ITALY)
(92635165)

5:30 p.m.
Some Variational Functionals in Quasiconformal Geometry
Tadeusz Iwaniec*,
(92635285)

Saturday October 18, 1997, 2:30 p.m.5:15 p.m.
Special Session on Applications of Symbolic Computation to Differential Equations, III
Room 270, Skiles Classroom Building Organizers: James Herod, Georgia Tech herod@math.gatech.edu
Maria Clara Nucci, University of Perugia, Italy nucci@unipg.it

2:30 p.m.
Symbolic Computation of Conserved Densities for Nonlinear Evolution and DifferenceDifferential Equations
Willy A.M. Hereman*, Colorado School of Mines
(9263551)

3:30 p.m.
IterationBifurcation Analysis of PDEs Using Symbolic Computation
Jerry F. Magnan*, Florida State University
(92635284)

4:30 p.m.
Computing Differential Galois Groups
Michael F Singer*,
(92612125)
Sunday October 19, 1997

Sunday October 19, 1997, 7:30 a.m.11:00 a.m.
Meeting Registration
Room 255, Skiles Classroom Building

Sunday October 19, 1997, 7:30 a.m.11:00 a.m.
Exhibit and Book Sale
Room 255, Skiles Classroom Building

Sunday October 19, 1997, 8:00 a.m.10:50 a.m.
Special Session on SetTheoretic Techniques in Topology and Analysis, IV
Room 168, Skiles Classroom Building Organizers: Gary F. Gruenhage, Auburn University garyg@mail.auburn.edu
Piotr Koszmider, Auburn University piotr@mail.auburn.edu

8:00 a.m.
Forcing for slaloms of density zero sets
Andrzej Roslanowski*,
(92604178)

8:30 a.m.
Totally proper forcing
Todd Eisworth, University of Kansas
Peter Nyikos*, University of South Carolina
(92603256)

9:00 a.m.
Continuous Restrictions of Real Functions to Large Sets
Jakub Jasinski*,
Ireneusz Reclaw,
(92626139)

9:30 a.m.
A survey of Qset spaces and their applications
Balogh T Zoltan*, Miami University
(9265432)

10:00 a.m.
Luzin and antiLuzin almost disjoint families
Judith Roitman*, University of Kansas
Lajos Soukup, Mathematical Institute of Hung. Acad. Sci.
(9260488)

10:30 a.m.
The Complexity of packing measures and dimension.
R. Daniel Mauldin*, University of North Texas
(9260460)

Sunday October 19, 1997, 8:30 a.m.11:50 a.m.
Special Session on Modern Banach Space Theory, IV
Room 249, Skiles Classroom Building Organizers: Stephen Dilworth, University of South Carolina dilworth@math.sc.edu
Maria K. Girardi, University of South Carolina girardi@math.sc.edu

8:30 a.m.
Stability of the fixed point property of Hilbert spaces
PeiKee Lin*,
(9264710)

9:00 a.m.
Perturbation of frames for subspaces of Hilbert and Banach spaces.
Ole Christensen,
Christine DeFlitch,
Chris Lennard*,
(92646241)

9:30 a.m.
Constructions of smooth, single function, multivariate wavelets
Qing Gu,
David Larson,
Darrin Speegle*,
(9264697)

10:00 a.m.
Local Theory of Frames and Schauder Bases for Hilbert Spaces
Peter G. Casazza*, University of Missouri
(92646173)

10:30 a.m.
Convolution Operators Associated with Vector Measures
Mangatiana A. Robdera,
Paulette Saab*, University of Missouri
(92646104)

11:00 a.m.
On the spectrum of quadratic forms
George Androulakis*, University of MissouriColumbia
Stamatis Dostoglou,
(92646105)

11:30 a.m.
Positive definite functions associated with contraction semigroups
Anton R. Schep*, Univ. of South Carolina
(92647132)

Sunday October 19, 1997, 8:30 a.m.11:20 a.m.
Special Session on Nonlinear Dynamics and Applications, IV
Room 146, Skiles Classroom Building Organizers: Wenxian Shen, Auburn University ws@math.auburn.edu
Yingfei Yi, Georgia Institute of Technology yi@math.gatech.edu

8:30 a.m.
Functional ReactionDiffusion Problems from Climate Modeling
Georg Hetzer*, Auburn University
(9263575)

9:00 a.m.
Positive Solutions for Semipositone Systems in an Annulus.
Dang D. Hai,
Ratnasingham Shivaji*, Mississippi State University
(92634167)

9:30 a.m.
Travelling fronts in discrete space and continuous time
Karl P. Hadeler,
Bertram Zinner*,
(92639131)

10:00 a.m.
Evolution Problems Describing Viscous Incompressible MHD Flow With Nonideal Boundaries
Paul G Schmidt*, Auburn University
(92635247)

10:30 a.m.
On PeriodicParabolic Equations with Nonlinear Boundary Conditions
M. N. Nkashama*, University of Alabama at Birmingham
(92635268)

11:00 a.m.
On efficient computation of connecting orbits.
Mark J. Friedman*, University of Alabama in Huntsville
(92634281)

Sunday October 19, 1997, 9:00 a.m.10:50 a.m.
Special Session on The Dynamics and Topology of Low Dimensional Flows, I
Room 149, Skiles Classroom Building Organizers: Michael C. Sullivan, Southern Illinois University at Carbondale mcs@math.nwu.edu
Robert W. Ghrist, University of Texas at Austin ghrist@math.utexas.edu

9:00 a.m.
Flows in Plane Fields
John B Etnyre*,
Robert Ghrist,
(92657158)

9:30 a.m.
A Model of the Collinear ThreeBody Problem.
Samuel R. Kaplan*, Bowdoin College
(9267320)

10:00 a.m.
Interesting Attractors.
William L. Block*, Wheaton College
(92658292)

10:30 a.m.
PseudoAnosov flows on 3manifolds.
Lee D. Mosher*, Rutgers University
(92658293)

Sunday October 19, 1997, 9:00 a.m.11:20 a.m.
Special Session on Computer Proofs in Set Theory and Logic, II
Room 171, Skiles Classroom Building Organizers: Johan G. F. Belinfante, Georgia Institute of Technology belinfan@math.gatech.edu

9:00 a.m.
A set theory for mechanized mathematics
William M. Farmer*, St. Cloud State University
(92604103)

9:30 a.m.
Applications of Set Theoretic Reasoning in Automated Deduction
Robert L Veroff*, University of New Mexico
(92668101)

10:00 a.m.
Automated Equational Deduction
William McCune*, Mathematics and Computer Science Division, Argonne National Laboratory
(92603176)

10:30 a.m.
Instancebased Deduction Techniques for Set Theory
David A Plaisted*, UNCChapel Hill
Yunshan Zhu, UNCChapel Hill
(92603239)

11:00 a.m.
Experimenting with OTTER
Thomas Jech*,
(9260312)

Sunday October 19, 1997, 9:00 a.m.11:50 a.m.
Special Session on Stochastic Inequalities and Their Applications, IV
Room 202, Skiles Classroom Building Organizers: Theodore P. Hill, Georgia Institute of Technology hill@math.gatech.edu
Christian Houdr\'e, Georgia Institute of Technology houdre@math.gatech.edu

9:00 a.m.
Tail probabilities for sums of independent random variables.
Stephen J MontgomerySmith*, University of Missouri
(9266015)

9:30 a.m.
A domination inequality and its consequences for some polynomials in special martingale differences.
Jerzy Szulga*, Auburn University, AL
(92660283)

10:00 a.m.
Convexity Inequalities for Traces and Quantum Entropy
Eric Carlen*, Georgia Institute of Technology
(92660286)

10:30 a.m.
Martingale inequalities and concentration of the size of a random sphere of influence graph around its mean
Pawel Hitczenko*,
(9266062)

11:00 a.m.
Exponential Integrability of Diffusions
Yaozhong Hu*, University of Kansas
(9266042)

11:30 a.m.
The Additive Forms of Prophet Inequality for Transforms.
Zhongde Yan*, Southern University and A \& M College
(92660291)

Sunday October 19, 1997, 9:00 a.m.10:50 a.m.
Special Session on Discrete Conformal Geometry, IV
Room 243, Skiles Classroom Building Organizers: Philip Lee Bowers, Florida State University bowers@math.fsu.edu

9:00 a.m.
On symmetries of hyperbolic 3manifolds
Albert Marden*,
(92651209)

9:40 a.m.
Ramanujan partition identities
Hershel M. Farkas, The Hebrew University of Jerusalem
Irwin Kra*,
(92630111)

10:20 a.m.
Multi dimensional Theta identities
Yaacov Kopeliovich*,
(92630116)

Sunday October 19, 1997, 9:00 a.m.11:50 a.m.
Special Session on Complex and Algebraic Dynamics and Applications, III
Room 143, Skiles Classroom Building Organizers: Marek R. Rychlik, University of Arizona rychlik@math.arizona.edu

9:00 a.m.
Geometry of the boundary of Siegel disks
Jacek Graczyk*, Michigan State University
Peter Jones,
(92658271)

9:30 a.m.
Measuretheoretic Properties of Analytic Maps of ${\Bbb P}^1$ and ${\Bbb P}^2$.
Lorelei M Koss*,
(9263259)

10:00 a.m.
A Classification of the Julia Sets of Hyperbolic Functions with Polynomial Schwartzian Derivative.
Paul F Strack*, UNC  Chapel Hill
(92630134)

10:30 a.m.
Holomorphic Dynamics in ${\Bbb C}^n$
Stefan M Heinemann*,
(92632145)

11:00 a.m.
Discussion and Problem Session

Sunday October 19, 1997, 9:00 a.m.10:45 a.m.
Special Session on Applications of Symbolic Computation to Differential Equations, IV
Room 270, Skiles Classroom Building Organizers: James Herod, Georgia Tech herod@math.gatech.edu
Maria Clara Nucci, University of Perugia, Italy nucci@unipg.it

9:00 a.m.
Algorithms for classifying subalgebras of Lie algebras
Pavel Winternitz*, Universite de Montreal
(92622140)

10:00 a.m.
Exact Solutions of Nonlinear Differential Equations through Symmetries
Maria Clara Nucci*, Universit\`a di Perugia (Italy)
(92658251)
Inquiries: meet@ams.org

