AMS Sectional Meeting Full Program
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1997 Spring Southeastern Sectional Meeting
Memphis, TN, March 2122, 1997
Meeting #919
Associate secretaries:
Robert J Daverman, AMS
daverman@math.utk.edu
Friday March 21, 1997

Friday March 21, 1997, 7:30 a.m.5:00 p.m.
Registration
Lobby, Psychology Lecture Hall, next to Psychology Building

Friday March 21, 1997, 7:30 a.m.5:00 p.m.
Book Sale and Electronic Products
Ground Floor Lobby, Psychology Building

Friday March 21, 1997, 8:00 a.m.10:50 a.m.
Special Session on Dynamical Systems and Fractal Geometry, I
Room 109, Dunn Hall
Organizers:
Fernanda Botelho, University of Memphis botelhof@hermes.msci.memst.edu

8:00 a.m.
The boundaries of selfsimilar tilings of ${\bf R}^n$.
James E. Keesling*, University of Florida
(9192814)

8:30 a.m.
Boundary of SelfSimilar sets.
Chithra A. Krishnamurthi*, University of Florida,Gainesville.
(9192815)

9:00 a.m.
Solving the Sextic by Iteration: A Study in Complex geometry and dynamics
Scott Crass*, Denison University
(9195122)

9:30 a.m.
Conservative Exact Rational Maps of the Sphere
Julia A. Barnes*, Western Carolina University
(9192820)

10:00 a.m.
Dynamics of Lattice Differential Equations
Erik S Van Vleck*, Colorado School of Mines
(9193416)

10:30 a.m.
Annulus Diffeomorphisms with many nonDenjoy minimal sets
Mark Turpin*, University of Hartford
(9196837)

Friday March 21, 1997, 8:00 a.m.10:50 a.m.
Special Session on Topology of Manifolds and Singular Spaces, I
Room 129, Dunn Hall
Organizers:
Bruce Hughes, Vanderbilt University hughescb@math.vanderbilt.edu
Andrew A. Ranicki, Edinburgh University a.ranicki@edinburgh.ac.uk

8:00 a.m.
Relative controlled end and hcobordism theorems
Frank S Quinn*, Virginia Tech
(9195734)

8:30 a.m.
Generalized assembly maps
Erik K. Pedersen*, Binghamton University
(91955117)

9:00 a.m.
On assembly maps for lattices and their analogues
Boris Goldfarb*, Stanford University
(9191955)

9:30 a.m.
Families of Hypersurfaces with nonisolated singularities
Terence J Gaffney*, Northeastern University
(91932106)

10:00 a.m.
The topology of some nonsingular algebraic spaces.
John W. Wood*, University of Illinois at Chicago
(91957107)

10:30 a.m.
Controlling Thom's $a_f$ Condition
David B Massey*, Northeastern University
(9193221)

Friday March 21, 1997, 8:00 a.m.10:50 a.m.
Special Session on Graph Theory, I
Room 233, Dunn Hall
Organizers:
Ralph J. Faudree, Jr., University of Memphis faudreer@mathsci.msci.memphis.edu
Richard H. Schelp, University of Memphis schelpr@hermes.msci.memphis.edu

8:00 a.m.
$P_3$isomorphisms for graphs
R. E. L. Aldred, University of Otago
M. N. Ellingham*, Vanderbilt University
(9190535)

8:30 a.m.
Infinite Paths in Planar Graphs
Xingxing Yu*, Vanderbilt University
(91905114)

9:00 a.m.
Graphical Knockouts
Peter J. Slater*, University of Alabama in Huntsville
(91905104)

9:30 a.m.
Some Results on Minimal Rankings
Renu Laskar*, Clemson University
Daniel J Pillone, Clemson University
(9190564)

10:00 a.m.
Group connectivity of chordal graphs
HongJian Lai*, West Virginia University
(91905170)

10:30 a.m.
Two results on matching extensions with prescribed and proscribed edge sets
R. E. L. Aldred, University of Otago, New Zealand
D. A. Holton, University of Otago, New Zealand
M. I. Porteous, University of Otago, New Zealand
M. D. Plummer*, Vanderbilt University
(91905151)

Friday March 21, 1997, 8:00 a.m.10:50 a.m.
Special Session on Partial Differential Equations, I
Room 209, Dunn Hall
Organizers:
Gisele Ruiz Goldstein, University of Memphis Gisele@ceri.memphis.edu
Jerome A. Goldstein, University of Memphis goldstej@mathsci.msci.memphis.edu

8:00 a.m.
Model equations related to KdV
Jerry L. Bona*, University of Texas at Austin
(91935321)

8:30 a.m.
The Global Behavior of Positive Solution to Certain EllipticSystems
Lige Li*, Kansas State University
(91935293)

9:00 a.m.
Some generalizations of the KadomtsevPetviashvili equations
Michael Mudi Tom*, Louisiana State University
(91935179)

9:30 a.m.
Motion by curvature. A center manifold analysis.
Gieri Simonett*, Vanderbilt University
Joachim Escher, University of Basel, Switzerland
(91935238)

10:00 a.m.
Quenching and BlowUp
C. Y. Chan*, University of Southwestern Louisiana
(91935222)

10:30 a.m.
A PicardMaclaurin Theorem for Initial Value PDE's
G. Edgar Parker*, James Madison University
James S. Sochacki, James Madison University
(9193552)

Friday March 21, 1997, 8:30 a.m.10:45 a.m.
Special Session on Numerical Solutions for Partial Differential Equations, I
Room 225, Dunn Hall
Organizers:
Ohannes Karakashian, University of Tennessee ohannes@math.utk.edu
Xiaobing Feng, University of Tennessee xfeng@math.utk.edu

8:30 a.m.
Implementing the PicardMaclaurin Theorem for Initial Value PDE's
James S Sochacki*, James Madison University
G. Edgar Parker, James Madison University
(9193511)

9:00 a.m.
Adaptive finite elements in 3D and the binary black hole initial data problem
Douglas N. Arnold*, Pennsylvania State University
(91965175)

9:45 a.m.
A TwoLevel Finite Element Method
Leopoldo P. Franca*, University of Colorado at Denver
Antonini P. Macedo, University of Colorado at Boulder
(91965182)

10:15 a.m.
Convergence Analysis of Orthogonal Spline Collocation for Elliptic Boundary Value Problems
Bernard Bialecki*, Colorado School of Mines
(91965186)

Friday March 21, 1997, 8:30 a.m.10:50 a.m.
Special Session on Complex Analysis in One and Several Variables, I
Room 204, Psychology Building
Organizers:
Dmitry Khavinson, University of Arkansas dmitry@comp.uark.edu

8:30 a.m.
PickNevalinna Interpolation
Stephen D Fisher*, Northwestern University
(9193072)

9:00 a.m.
Twopoint distortion theorems for spherically convex functions
C. David Minda*, University of Cincinnati
(91930154)

9:30 a.m.
Boundary Correspondence and dilatation of harmonic mappings
Peter Duren*, University of Michigan, Ann Arbor
Dmitry Khavinson, University of Arkansas, Fayetteville
(9193017)

10:00 a.m.
Local minimality results related to the Bloch and Landau constants.
Albert Baernstein, II*, Washington University, St.Louis, MO
Jade P. Vinson, Washington University, St.Louis, MO
(91930141)

10:30 a.m.
Conformal images of tangential and nontangential arcs
John Akeroyd*, University of Arkansas
(9193096)

Friday March 21, 1997, 8:30 a.m.10:50 a.m.
Special Session on Harmonic Analysis and Convexity, I
Room 206, Psychology Building
Organizers:
Eric A. Carlen, Georgia Institute of Technology carlen@math.gatech.edu
Erwin Lutwak, Polytechnic University lutwak@magnus.poly.edu
Elisabeth Werner, Case Western Reserve University emw2@po.cwru.edu

8:30 a.m.
A Special Case Of Mahler's Conjecture
Mario A. Lopez, University of Denver
Shlomo Reisner*, University of Denver
(91952227)

9:00 a.m.
Banach space operators preserving the extreme points of the unit ball.
Vania Mascioni*, University of Texas, Austin
(91946204)

9:30 a.m.
Discrepancy estimates and the Radon transform
Allen D. Rogers*, Elmhurst College
(91952310)

10:00 a.m.
Continuity of Steiner symmetrization
Almut Burchard*, Princeton University
(91946288)

10:30 a.m.
Convexity and Extremals of Zeta Functions of Laplacians
Richard S Laugesen*, Johns Hopkins University
(91935287)

Friday March 21, 1997, 8:30 a.m.10:50 a.m.
Special Session on Chaotic Dynamics, I
Room 123, Dunn Hall
Organizers:
Nikolai I. Chernov, University of Alabama at Birmingham chernov@math.uab.edu
Serge Troubetzkoy, University of Alabama at Birmingham troubetz@math.uab.edu

8:30 a.m.
Dynamics of Spatial Averages
Leonid A Bunimovich, Georgia Institute of Technology
Miaohua Jiang*, Georgia Institute of Technology
(91958253)

9:00 a.m.
Torsion in the Isentropic Euler Fluid and the Impulsively Started Cylinder
Philip Rupert Baldwin*, The University of Akron
Subramanian I Hariharan, The University of Akron
(91976164)

9:30 a.m.
A theory of chaotic time series
Regis J. Serinko*, Pennsylvania State University
(91960256)

10:00 a.m.
Cocyclic Subshifts
Jaroslaw Kwapisz*, Center for Dynamical Systems and Nonlinear Studies, Georgia Institute of Technology
(91958194)

10:30 a.m.
Substitution dynamics, tilings, and symmetry
Charles Radin*, University of Texas at Austin
(91952150)

Friday March 21, 1997, 8:30 a.m.10:50 a.m.
Special Session on Random Graphs, I
Room 227, Dunn Hall
Organizers:
Bela Bollobas, University of Memphis bollobab@ibex.msci.memphis
Cecil C. Rousseau, University of Memphis rousseac@mathsci.msci.memphis.edu

8:30 a.m.
Contiguity Amongst Random Graph Models
Michael S. O. Molloy*, University of Toronto
(91905248)

9:00 a.m.
On Random Matchings in Regular Graphs
Jeong Han Kim*, AT&T LabsResearch
(91905265)

9:30 a.m.
Asymptotic isoperimetric inequalities
Joel Spencer*, New York University
(9190528)

10:00 a.m.
On a Problem by Welsh in FirstPassage Percolation
Sven Erick Alm*, Uppsala University, Sweden
(9190549)

10:30 a.m.
On the hexagonal lattice site percolation critical probability.
John C. Wierman*, Johns Hopkins University
(9196050)

Friday March 21, 1997, 8:45 a.m.10:55 a.m.
Special Session on Invariants of 3Manifolds, I
Room 125, Dunn Hall
Organizers:
Richard Martin Hain, Duke University hain@math.duke.edu
Jun Yang, Duke University yang@math.duke.edu
Stavros Garoufalidis, Brown University stavros@math.mit.edu

8:45 a.m.
ChernSimons invariant for ideal hyperbolic polyhedra
Walter D Neumann*, Melbourne University, Australia
Jun Yang, Duke University
(91957168)

9:20 a.m.
A universal finite type invariant for integral homology 3spheres
Thang T. Q. Le*, SUNY at Buffalo
(9195753)

9:55 a.m.
On the virtual automorphism group of hyperbolic surface groups
Christopher T. Odden*, Duke University
(91920235)

10:30 a.m.
Burau Representation and Random Walk on String Links
Xiaosong Lin, University of California, Riverside and The Chinese University of Hong Kong
Feng Tian, University of California, San Diego
Zhenghan Wang*, Indiana University at Bloomington
(91957312)

Friday March 21, 1997, 9:00 a.m.10:50 a.m.
Special Session on Approximation in Mathematics, I
Room 351, Dunn Hall
Organizers:
George A. Anastassiou, University of Memphis anastasg@mathsci.msci.memphis.edu

9:00 a.m.
Scattered Cardinal Hermite Interpolation by Positive DefiniteFunctions
Xingping Sun*, Southwest Missouri State University
(91941329)

9:30 a.m.
On smoothness and conditions and conformality conditions for bivariate cubic splines
Don Hong*, East Tennessee State University
Huanwen Liu, University of Wollongong, Australia
(91941331)

10:00 a.m.
Approximation by Spline Elements over a Mixed ThreeDirectional Mesh
Don Hong, East Tennessee State University
Ram Mohapatra*, University of Central Florida
Shuntang Wu, Zhenjiang Normal College, China
(91941333)

10:30 a.m.
Projection methods for approximate solutions of integral equations ofthe first kind based on sampling theorems and multiresolution analysis
M. Zuhair Nashed*, University of Delaware
(91965322)

Friday March 21, 1997, 9:00 a.m.10:50 a.m.
Special Session on Symbolic Dynamics, I
Room 107, Dunn Hall
Organizers:
Paul B. Trow, University of Memphis trowp@mathsci.msci.memphis.edu

9:00 a.m.
Dynamics of affine maps induced on the torus
Roy L. Adler*, IBM Research Center
Bruce Kitchens, IBM Research Center
Charles Tresser, IBM Research Center
(91958316)

9:30 a.m.
Symbolic dynamics for almost linear maps of the torus
Bruce P. Kitchens*, IBM Research Center
Adler L. Adler, IBM Research Center
Charles P. Tresser, IBM Research Center
(91958122)

10:00 a.m.
Tiling the integers and sofic systems
Ethan M. Coven*, Wesleyan University
William Geller, IUPUI
(91958113)

10:30 a.m.
Conjugacies Between Markov Subgroups of $(\Bbb Z/2\Bbb Z^{\Bbb Z^2}$.
Sylvia Silberger*, Wesleyan University
(91958138)

Friday March 21, 1997, 9:00 a.m.10:50 a.m.
Special Session on Convergence and Recurrence in Ergodic Theory, I
Room 244, Psychology Building
Organizers:
Mate Wierdl, University of Memphis matyi@moni.msci.memphis.edu
James T. Campbell, University of Memphis campbelj@hermes.msci.memphis.edu

9:00 a.m.
A.E. Multiple Recurrence for weakly mixing systems
Idris Assani*, University of North Carolina at ChapelHill
(91928134)

9:40 a.m.
Unconditional Convergence of Differences in Ergodic Theory
Bryan Johnson*, University of Illinois at Urbana
Joseph M. Rosenblatt, University of Illinois at Urbana
(91928131)

10:20 a.m.
Oscillation inequalities in ergodic theory
Roger L. Jones*, DePaul University
Robert Kaufman, University of Illinois at Urbana
Joseph Rosenblatt, University of Illinois at Urbana
Mate Wierdl, University of Memphis
(91928126)

Friday March 21, 1997, 11:05 a.m.11:55 a.m.
Invited Address
Conditionally invariant measures in dynamical systems
Psychology Lecture Hall, next to Psychology Building
Nikolai I. Chernov*, University of Alabama at Birmingham

Friday March 21, 1997, 1:30 p.m.2:20 p.m.
Invited Address
Convolution inequalites in convex geometry
Psychology Lecture Hall, next to Psychology Building
Keith Ball*, Texas A & M University

Friday March 21, 1997, 2:30 p.m.5:20 p.m.
Special Session on Approximation in Mathematics, I
Room 351, Dunn Hall
Organizers:
George A. Anastassiou, University of Memphis anastasg@mathsci.msci.memphis.edu

2:30 p.m.
Bilinear maps of bounded variation on products of Banach lattices.
Gerard J. Buskes*, University of Mississippi
(9194608)

3:00 p.m.
Multivariate and Matrix Refinement Masks
Thomas A Hogan*, Vanderbilt University
(9194109)

3:30 p.m.
Simultaneous Approximation by Algebraic Polynomials
Kirill Kopotun*, Vanderbilt University
(9194112)

4:00 p.m.
Approximation by rational functions in Hardy space
Xin Li*, University of Central Florida
(9194124)

4:30 p.m.
Rate of convergence of some multivariate neural network opeators to the unit
George A. Anastassiou*, University of Memphis
(9194130)

5:00 p.m.
Convexity properties of circular Bernstein Bezier curves.
TianXiao He, Illinois Wesleyan University
Larry L. Schumaker*, Vanderbilt University
(9194136)

Friday March 21, 1997, 2:30 p.m.4:20 p.m.
Special Session on Symbolic Dynamics, II
Room 107, Dunn Hall
Organizers:
Paul B. Trow, University of Memphis trowp@mathsci.msci.memphis.edu

2:30 p.m.
Flow equivalence of reducible SFTs and filtered SL(Z) equivalence of their defining infinite matrices
Mike M. Boyle*, Univ. of Maryland at College Park
Danrun Huang, University of Washington
(91954140)

3:00 p.m.
JewettKrieger: One Step Beyond and Outer Limits
Nicholas S. Ormes*, University of Maryland, College Park
(91958139)

3:30 p.m.
A ${\Bbb Z}^2$ Embedding Theorem
Samuel J. Lightwood*, University of Maryland, College Park
(91958142)

4:00 p.m.
Textile Systems and Two Dimensional Shifts of Finite Type
Kathleen Madden*, Lafayettte College
Aimee Johnson, Swarthmore College
(9195843)

Friday March 21, 1997, 2:30 p.m.6:00 p.m.
Special Session on Numerical Solutions for Partial Differential Equations, II
Room 225, Dunn Hall
Organizers:
Ohannes Karakashian, University of Tennessee ohannes@math.utk.edu
Xiaobing Feng, University of Tennessee xfeng@math.utk.edu

2:30 p.m.
Finite Element Methods for Approximating a model of ferromagnetism.
Peter B Monk*, University of Delaware
(91965188)

3:00 p.m.
Effects of discretization on solving the Ericksen's bar problem
Charles R Collins*, University of Tennessee
(91965190)

3:45 p.m.
A Conservative Form of the Modified Method of Characteristics
Jim Douglas, Jr.*, Purdue University
Felipe Pereira, Laboratorio Nacional de Computacao Cientifica, Brazil
(91965191)

4:15 p.m.
Numerical Approximation of Stationary MHD Flow with a Nonideal Boundary
Amnon J. Meir*, Auburn University
Paul G. Schmidt, Auburn University
(91965192)

5:00 p.m.
Numerical simulation of blowup for the nonlinear Schrodinger equation
Ohannes Karakashian*, University of Tennessee
Michael Plexousakis, University of Tennessee
(91965298)

5:30 p.m.
A Posteriori Error Estimation and Adaptivity for DegenerateParabolic Problems
Ricardo H. Nochetto*, The University of Tennessee
(91965332)

Friday March 21, 1997, 2:30 p.m.4:20 p.m.
Special Session on Convergence and Recurrence in Ergodic Theory, II
Room 244, Psychology Building
Organizers:
Mate Wierdl, University of Memphis matyi@moni.msci.memphis.edu
James T. Campbell, University of Memphis campbelj@hermes.msci.memphis.edu

2:30 p.m.
A nonlinear version of Szemer\'edi's Theorem for sets of positivedensity in the real line.
Vitaly Bergelson, The Ohio State University
Randall G. McCutcheon*, Case Western University
(91928132)

3:10 p.m.
Some Recent Developments and Questions in the Theory ofAlmost Everywhere Convergence of Weighted Ergodic Averages.
James H. Olsen*, North Dakota State University
(9194795)

3:50 p.m.
$L^p$ bounds for the bilinear Hilbert transform
Michael T. Lacey*, Georgia Institute of Technology
Christoph M. Thiele, Universit\"at Kiel
(91928127)

Friday March 21, 1997, 2:30 p.m.5:20 p.m.
Special Session on Complex Analysis in One and Several Variables, II
Room 204, Psychology Building
Organizers:
Dmitry Khavinson, University of Arkansas dmitry@comp.uark.edu

2:30 p.m.
Bohr's power series theorem in several variables
Harold P. Boas*, Texas A&M University
Dmitry Khavinson, University of Arkansas
(9193205)

3:00 p.m.
On elliptic and parabolic measure
John L. Lewis*, University of Kentucky
(9193058)

3:30 p.m.
The $\bar\partial$Neumann Problem in the Sobolev Topology
Steve Krantz*, Washington University
Luigi Fontana, Universit\`a di Milano
Marco M Peloso, Politecnico di Torino
(91932184)

4:00 p.m.
Plurisubharmonic functions and subellipticity of the $\overline{\partial}$Neumann problem on nonsmooth domains
Emil J. Straube*, Texas A\&M University
(91932245)

4:30 p.m.
A Frobeniustype theorem for some singular partial differential equations
Jill E. Hemmati*, University of Arkansas
(9193592)

5:00 p.m.
Mizohata Structures on $S^2$: Automorphisms and Standardness
Abdelhamid Meziani*, Florida International University
(91930157)

Friday March 21, 1997, 2:30 p.m.4:50 p.m.
Special Session on Harmonic Analysis and Convexity, II
Room 206, Psychology Building
Organizers:
Eric A. Carlen, Georgia Institute of Technology carlen@math.gatech.edu
Erwin Lutwak, Polytechnic University lutwak@magnus.poly.edu
Elisabeth Werner, Case Western Reserve University emw2@po.cwru.edu

2:30 p.m.
Differentiability of the Integral of Banach space valued functions
S. J. Dilworth, University of South Carolina
Maria Girardi*, University of South Carolina
(91946223)

3:00 p.m.
Kinematic and translative integral formulae concerning the convex hull operation
Stefan Glasauer*, University of Oklahoma
(91952199)

3:30 p.m.
Mean width and diameter of proportional sections of a symmetricconvex body
Apostolos A. Giannopoulos*, Oklahoma State University
Vitali D. Milman, Tel Aviv University
(91946233)

4:00 p.m.
Isoperimetric Inequality vs. Virial Identity
Michael Kiessling*, Rutgers University, New Brunswick
(91935289)

4:30 p.m.
Inmobilization Problems
Luis Montejano Peimbert*, Instituto de Matematicas, UNAM
(91952197)

Friday March 21, 1997, 2:30 p.m.4:40 p.m.
Special Session on Invariants of 3Manifolds, II
Room 125, Dunn Hall
Organizers:
Richard Martin Hain, Duke University hain@math.duke.edu
Jun Yang, Duke University yang@math.duke.edu
Stavros Garoufalidis, Brown University stavros@math.mit.edu

2:30 p.m.
On the structure of the Torelli group
Stavros Garoufalidis*,
(91957189)

3:05 p.m.
Finite type 3manifold invariants and holomorphic functions
Ruth Lawrence*, Univeristy of Michigan, Ann Arbor
(91957301)

3:40 p.m.
HyperKahler Geometry and Invariants of 3Manifolds
Edward Witten, Institute for Advanced Study
Lev Rozansky*, University of Illinois at Chicago
(91957210)

4:15 p.m.
Stable formality of moduli space
Alexander A. Voronov*, M.I.T.
(91957266)

Friday March 21, 1997, 2:30 p.m.5:20 p.m.
Special Session on Chaotic Dynamics, II
Room 123, Dunn Hall
Organizers:
Nikolai I. Chernov, University of Alabama at Birmingham chernov@math.uab.edu
Serge Troubetzkoy, University of Alabama at Birmingham troubetz@math.uab.edu

2:30 p.m.
Noncompact limit sets
Krystyna M Kuperberg*, Auburn University
(91958285)

3:00 p.m.
Horseshoes and the Conley Index Spectrum
Konstantin Mischaikow*, Georgia Tech
(91958250)

3:30 p.m.
Entropy and the number of geodesics joining two points
Keith Howard Burns*, Northwestern University
Gabriel Paternain, Universidad de la Republica, Montevideo, Uruguay
(91958203)

4:00 p.m.
Graph Substitutions
Joseph Peter Previte*, University of Maryland
(91957147)

4:30 p.m.
Some results and many questions about renormalization in dynamics.
Charles P. Tresser*, IBM, Yorktown Heights, NY
(91958165)

5:00 p.m.
Using a Finite Horizon to make Embedded Surfaces with Ergodic GeodesicFlow.
Victor J. Donnay*, Bryn Mawr College
(91958305)

Friday March 21, 1997, 2:30 p.m.4:50 p.m.
Special Session on Recurrent Neural Networks and Applications, I
Room 109, Dunn Hall
Organizers:
Fernanda Botelho, University of Memphis botelhof@hermes.msci.memst.edu
Max H. Garzon, University of Memphis garzonm@hermes.msci.memst.edu

2:30 p.m.
A Language That Recurrent Neural Networks Can't Recognize in Less than Exponential Time
Cristopher Moore*, Santa Fe Institute
(91968195)

3:00 p.m.
Decoding Discrete Structures From Fixed Points Of Analog Hopfield Networks
Arun K Jagota*, University of California, Santa Cruz
(9196839)

3:30 p.m.
Tradeoffs between noise and computation in analog neural networks
Pekka Orponen*, University of Jyv{\"a}skyl{\"a}, Finland
(91968304)

4:00 p.m.
FaultTolerance in neural networks with two neurons
Fernanda Botelho,
Max Garzon,
Mi Zhou*,
(91968240)

4:30 p.m.
PrimalTarget Recurrent Neural Nets for Hypergraph Optimization Problems
Dmitri Kaznachey*, St. Jude / University of Memphis
Arun Jagota, University of California, Santa Cruz
(91968216)

Friday March 21, 1997, 2:30 p.m.5:50 p.m.
Special Session on Topology of Manifolds and Singular Spaces, II
Room 129, Dunn Hall
Organizers:
Bruce Hughes, Vanderbilt University hughescb@math.vanderbilt.edu
Andrew A. Ranicki, Edinburgh University a.ranicki@edinburgh.ac.uk

2:30 p.m.
Higher analytic torsion
Mel Rothenberg*, University of Chicago
(91957163)

3:00 p.m.
Orthogonal calculus and index theory
Michael S Weiss*, University of Notre Dame
(9195760)

3:30 p.m.
hCobordisms and Mapping Cylinder Obstructions
Bogdan Vajiac*, University of Notre Dame
(91957112)

4:00 p.m.
Which GSpheres are suspensions?
Frank Connolly*, University of Notre Dame
(91957174)

4:30 p.m.
Obstructions to transversality for some singular spaces
Heather M Johnston*, Rutgers University
(91957102)

5:00 p.m.
Universal formulas for the generalized Casson's invariants of knots
Hans U. Boden*, McMaster University
Andrew J. Nicas, McMaster University
(91955159)

5:30 p.m.
Ring structure on Floer homology for symplectic fixed points
Matthias Schwarz*, Stanford University
(91958100)

Friday March 21, 1997, 2:30 p.m.5:20 p.m.
Special Session on Graph Theory, II
Room 233, Dunn Hall
Organizers:
Ralph J. Faudree, Jr., University of Memphis faudreer@mathsci.msci.memphis.edu
Richard H. Schelp, University of Memphis schelpr@hermes.msci.memphis.edu

2:30 p.m.
The Number of Cycles in a 2Factor
Ronald J. Gould*, Emory University
(9190568)

3:00 p.m.
Twofactors with few components in clawfree graphs
Ronald J. Gould, Emory University
Michael S. Jacobson*, University of Louisville
(91905108)

3:30 p.m.
Hamilton weight and Petersen minor
C. Q. Zhang*, West Virginia University
H. J. Lai, West Virginia University
(9190547)

4:00 p.m.
Closure, paths and cycles of clawfree graphs
Zden\v{e}k Ryj\'{a}\v{c}ek, University of West Bohemia, Czech Republic
Akira Saito*, Nihon University, Japan
R.H. Schelp, The University of Memphis
(9190583)

4:30 p.m.
Toughness and hamiltonicity of families of chordal graphs
Jen\H{o} Lehel*, University of Louisville
(91905103)

5:00 p.m.
Results on Forbidden Triples for Hamiltonian Graphs
Linda M Lesniak*, Drew University
(91905144)

Friday March 21, 1997, 2:30 p.m.3:50 p.m.
Special Session on Random Graphs, II
Room 227, Dunn Hall
Organizers:
Bela Bollobas, University of Memphis bollobab@ibex.msci.memphis
Cecil C. Rousseau, University of Memphis rousseac@mathsci.msci.memphis.edu

2:30 p.m.
Antichains in the partition lattice.
Rod Canfield*, University of Georgia
(91905318)

3:00 p.m.
Endomorphisms of partially ordered sets
Dwight Duffus, Emory University
Tomasz Luczak*, Emory University
Vojt\v ech R\"odl, Emory University
Andrzej Ruci\'nski, Emory University
(91905254)

3:30 p.m.
Quadrilaterals in the cube and directed graphs
Richard H. Schelp, University of Memphis
Andrew Thomason*, University of Cambridge and University of Memphis
(91905328)

Friday March 21, 1997, 2:30 p.m.5:20 p.m.
Special Session on Partial Differential Equations, II
Room 209, Dunn Hall
Organizers:
Gisele Ruiz Goldstein, University of Memphis Gisele@ceri.memphis.edu
Jerome A. Goldstein, University of Memphis goldstej@mathsci.msci.memphis.edu

2:30 p.m.
Inverse Spectral Problems and Herglotz Functions
Fritz Gesztesy*, University of Missouri  Columbia
(91934202)

3:00 p.m.
Spectral and growth bounds for the linearized Eulerand kinematic dynamo operator
Yuri Latushkin*, University of MissouriColumbia
Misha Vishik, University of TexasAustin
(91958207)

3:30 p.m.
The spectrum of the Laplacian on a class of Riemannian manifolds
Robert M Kauffman*, UAB, Birmingham
Alberto G. Setti, University of Milan, Italy
(91947183)

4:00 p.m.
Lower gradient bound for ground state eigenfunctions of Dirichlet Laplacians
Rodrigo Banuelos, Purdue University
Michael M.H. Pang*, University of MissouriColumbia
(91935260)

4:30 p.m.
On the solution theory of linear, higher order, factored, abstract Cauchy problems
Nikos Kodogianidis*, Saint Leo College
(91935193)

5:00 p.m.
Rellich inequalities
Andreas M. Hinz*, University of Munich, Germany
(91935273)

Friday March 21, 1997, 2:30 p.m.5:10 p.m.
Session on Contributed Paper Session
Room 230, Psychology Building

2:30 p.m.
Multiple Spike Layer Solutions to Semilinear Elliptic Equation with Neuman Boundary Conditions
Michal Kowalcyk*, University of Minnesota
(91935317)

2:45 p.m.
On the relationship betwen a Cauchy problem and a family ofboundary  value problems for a second order differential equation
Aurora Breazna*, Louisiana State University
(91935123)

3:00 p.m.
On the Thomas  Fermi model for a quantum system
Andrei Breazna*, Louisiana State University
(9193570)

3:15 p.m.
Summation of functional serious which occur in thermomechenical problem with respect to nongomogeneous structures.
Andriy Mikolaevich Blazhievskiy*, Technological University of Podillya, Khmelnitsky, Ukraine
(9193507)

3:30 p.m.
CampbellHausdorff series and Palgebras Lie
Boris S Khots*,
(91922297)

3:45 p.m.
Strong convergence of copulas
Piotr Mikusi\'nski*, University of Central Florida
(91928243)

4:00 p.m.
Sparp subelliptic estimate for n1 forms on finite type domains
LopHing Ho*, Wichita State University
(9193218)

4:15 p.m.
Spherical harmonics, multinomial expansions, and the Pythagorean theorem.
Allan Fryant*, Greensboro College
(9194254)

4:30 p.m.
Minimal Length Normal Forms for Braid words
Margaret A. Yoder*, Eastern Kentucky University
(9192044)

4:45 p.m.
Geometric Representations of Substitution Dynamical Systems
Luca Q Zamboni*, U.N.T.
Charles Holton, U.C. Berkeley
(91954232)

5:00 p.m.
Directed Graphs and Geometric Representations of Substitutions
Charles G. Holton, Jr.*, University of California
Luca Q. Zamboni, University of North Texas
(91958299)

Friday March 21, 1997, 5:00 p.m.6:20 p.m.
Special Session on Dynamical Systems and Fractal Geometry, II
Room 109, Dunn Hall
Organizers:
Fernanda Botelho, University of Memphis botelhof@hermes.msci.memst.edu

5:00 p.m.
Maps of the interval, inverse limit spaces, and the pseudoarc
Louis S. Block*, University of Florida
James E. Keesling, University of Florida
Vladimir V. Uspenskij, International Moscow University
(91954228)

5:30 p.m.
Generalized crises: how planar invariant sets merge asa system parameter is varied
Kathleen Alligood*, George Mason University
(91958241)

6:00 p.m.
Denjoy minimal sets are far from affine.
Alec Norton*, University of Texas, Austin
(9195823)

Friday March 21, 1997, 7:30 p.m.8:30 p.m.
Paul Erdos Lecture Series Invited Address
Extremal problems for graphs and integers
Room 123, Fogelman Center
Vera T. S\'os*, Hungarian Academy of Science
Saturday March 22, 1997

Saturday March 22, 1997, 7:30 a.m.12:00 p.m.
Registration
Lobby, Psychology Lecture Hall, next to Psychology Building

Saturday March 22, 1997, 7:30 a.m.12:00 p.m.
Book Sale and Electronic Products
Ground Floor Lobby, Psychology Building

Saturday March 22, 1997, 8:00 a.m.8:50 a.m.
Special Session on Dynamical Systems and Fractal Geometry, III
Room 109, Dunn Hall
Organizers:
Fernanda Botelho, University of Memphis botelhof@hermes.msci.memst.edu

8:00 a.m.
The Hausdorff dimension of the boundary of the L\'evy dragon
Paul F. Duvall*, University of North Carolina at Greensboro
James E. Keesling, University of Florida
(91928149)

8:30 a.m.
Geometric approach to global qualitative investigation of polynomial dynamical systems.
Valery A. Gaiko*, Belarus State University of Informatics & Radioelectronics, Minsk, Belarus
(91934171)

Saturday March 22, 1997, 8:00 a.m.10:50 a.m.
Special Session on Complex Analysis in One and Several Variables, III
Room 204, Psychology Building
Organizers:
Dmitry Khavinson, University of Arkansas dmitry@comp.uark.edu

8:00 a.m.
On dilatations and substantial boundary points of homeomorphisms ofJordan curves
Shanshuang Yang*, Emory University
(9193038)

8:30 a.m.
The Hardy class of K{\oe}nigs maps
Pietro PoggiCorradini*, University of Virginia
(9193063)

9:00 a.m.
Quasiselfsimilar Jordan Curves
David A. Herron*, University of Cincinati
(9193067)

9:30 a.m.
The existence of Hayman directions for entire functions of slowgrowth
John Rossi*, Virginia Tech
(91930283)

10:00 a.m.
A ``regular'' pentagonal tiling of the plane
Kenneth Stephenson*, University of Tennessee
Phil Bowers, Florida State University
(91930161)

10:30 a.m.
Composition operators and measures
Joseph A Cima, University of North Carolina
Alec L Matheson*, Lamar University
(9194262)

Saturday March 22, 1997, 8:00 a.m.10:50 a.m.
Special Session on Topology of Manifolds and Singular Spaces, III
Room 129, Dunn Hall
Organizers:
Bruce Hughes, Vanderbilt University hughescb@math.vanderbilt.edu
Andrew A. Ranicki, Edinburgh University a.ranicki@edinburgh.ac.uk

8:00 a.m.
Analysis and Topological Manifolds
John Roe*, Jesus College, England
(9195841)

8:30 a.m.
Nonvanishing of Ktheoretic index and applications
Guoliang Yu*, University of Colorado, Boulder
(9191965)

9:00 a.m.
Geometry and homotopy functors
Christopher W. Stark*, University of Florida
(91958105)

9:30 a.m.
Cartesian products of 3manifolds
Slawomir Kwasik*, Tulane University
Reinhard Schultz, University of California, Riverside
(9195794)

10:00 a.m.
Stable Diffeomorphisms of 4manifolds
James F. Davis*, Indiana University
(9195766)

10:30 a.m.
Stabilized fixed point neighborhoods in $4$manifolds
Reinhard Schultz*, University of California, Riverside
S{\l}awomir Kwasik, Tulane University
(9195797)

Saturday March 22, 1997, 8:00 a.m.10:50 a.m.
Special Session on Graph Theory, III
Room 233, Dunn Hall
Organizers:
Ralph J. Faudree, Jr., University of Memphis faudreer@mathsci.msci.memphis.edu
Richard H. Schelp, University of Memphis schelpr@hermes.msci.memphis.edu

8:00 a.m.
Ramsey colorings for diagonals of convex sets
Heiko Harborth*, Technische Universsit\"at Braunschweig, Germany
(91905155)

8:30 a.m.
The largest matroid circuitcocircuit Ramsey number
Joseph E. Bonin, George Washington University
Jennifer McNulty, University of Montana
Talmage J. Reid*, University of Mississippi
(91905118)

9:00 a.m.
The Order of Magnitude of Some Ramsey Functions
Yusheng Li*, University of Memphis
Cecil C. Rousseau, University of Memphis
(9190548)

9:30 a.m.
Line Graphs and Forbidden Induced Subgraphs
Lubo Soltes*, West Virginia University
HongJian Lai, West Virginia University
(9190584)

10:00 a.m.
Forbidden Ordered Subgraph versus Forbidden Subgraph Characterizations of Graph Classes
Mark C. Ginn*, Austin Peay State University
(9190527)

10:30 a.m.
Aharoni's duality theorem and partially ordered sets
Dwight A Duffus*, Emory University
Edward w Goddard, Emory University
(91905101)

Saturday March 22, 1997, 8:00 a.m.10:50 a.m.
Special Session on Partial Differential Equations, III
Room 209, Dunn Hall
Organizers:
Gisele Ruiz Goldstein, University of Memphis Gisele@ceri.memphis.edu
Jerome A. Goldstein, University of Memphis goldstej@mathsci.msci.memphis.edu

8:00 a.m.
Uniqueness of the solution of the Schr\"odinger equation with discontinuous coefficients
Yoshimi Sait\B o*, University of Alabama at Birmingham
(91935259)

8:30 a.m.
Inequalities for the Dirichlet and Neumann Eigenvalues of the Laplacian for Domains on Spheres
Mark S. Ashbaugh*, University of Missouri
(91935264)

9:00 a.m.
On second order linear differential equations with inverse squaresingularities
Rudi Weikard*, University of Alabama at Birmingham
(91934229)

9:30 a.m.
Radial solutions to a Dirichlet problem arising is Astrophysics
Alfonso Castro*, University of North Texas
(91935320)

10:00 a.m.
Finding critical points of the Ginzburg Landau Functional by means of Sobolev Gradients
John W. Neuberger*, University of North Texas
Renka J. Robert, University of North Texas
(91935166)

10:30 a.m.
Asymptotics of the resolvent of the Dirac operator with scalar shortrange and bounded potentials
Christopher Pladdy*, Nicholls State University
(91981309)

Saturday March 22, 1997, 8:30 a.m.10:50 a.m.
Special Session on Approximation in Mathematics, II
Room 351, Dunn Hall
Organizers:
George A. Anastassiou, University of Memphis anastasg@mathsci.msci.memphis.edu

8:30 a.m.
Convergence of Subdivision and Dilation Equations.
Marian Neamtu*, Vanderbilt University
(9196540)

9:00 a.m.
Macroelements and Orthogonal Multiresolutional Analysis
TianXiao He*, Illinois Wesleyan University
(9194142)

9:30 a.m.
Approximating a bandlimited function in terms of its samples
Rudolf Stens*, RWTH Aachen, Lehrstuhl A f\"ur Mathematik, Germany
(91994206)

10:00 a.m.
Weak Copositive and Intertwining Approximation
Ying K. Hu, Georgia Southern University
Kirill A. Kopotun, Vanderbilt University
Xiang M. Yu*, Southwest Missouri State University
(9194145)

10:30 a.m.
Joint Spectral Radius and H\"older Regularity of Multiresolution Analyses
Mohsen Maesumi*, Lamar University
(9194174)

Saturday March 22, 1997, 8:30 a.m.10:45 a.m.
Special Session on Numerical Solutions for Partial Differential Equations, III
Room 225, Dunn Hall
Organizers:
Ohannes Karakashian, University of Tennessee ohannes@math.utk.edu
Xiaobing Feng, University of Tennessee xfeng@math.utk.edu

8:30 a.m.
Stability and Convergence of Higher Order Finite Element Methods forPartial Differential Equations
Tadeusz J Janik*, University of Alabama in Huntsville
(91965213)

9:00 a.m.
SpaceTime Finite Elements for a Problem in Surface Diffusion
Bernard D Coleman, Rutgers University
Richard S Falk*, Rutgers University
Maher Moakher, Rutgers University
(91965201)

9:45 a.m.
Analysis and computation of flow control and optimization problems
Max D Guznburger*,
(91965214)

10:15 a.m.
Recent Advances in Mixed Finite Element Methods for NonlinearProblems and Applications
EunJae Park*, University of Wyoming
(91965221)

Saturday March 22, 1997, 8:30 a.m.10:50 a.m.
Special Session on Harmonic Analysis and Convexity, III
Room 206, Psychology Building
Organizers:
Eric A. Carlen, Georgia Institute of Technology carlen@math.gatech.edu
Erwin Lutwak, Polytechnic University lutwak@magnus.poly.edu
Elisabeth Werner, Case Western Reserve University emw2@po.cwru.edu

8:30 a.m.
Floating Body, Illumination Body, and Polytopal Approximation
Carsten H Sch\"utt*, Christian Albrechts Universit\"at
(9195259)

9:00 a.m.
Geometric Averages of Projections of Convex Bodies.
K. K. Spriestersbach*, University of Dallas
(91952284)

9:30 a.m.
Adapted Convex Bodies
Jane R SangwineYager*, Saint Mary's College of California
(91952262)

10:00 a.m.
An inequality for sections and projections of convex bodies
Jonathan Spingarn*, Georgia Tech
(91952275)

10:30 a.m.
Sliding convex bodies inside nonconvex domains
Ralph Howard*, University of South Carolina
(91952211)

Saturday March 22, 1997, 8:30 a.m.10:50 a.m.
Special Session on Chaotic Dynamics, III
Room 123, Dunn Hall
Organizers:
Nikolai I. Chernov, University of Alabama at Birmingham chernov@math.uab.edu
Serge Troubetzkoy, University of Alabama at Birmingham troubetz@math.uab.edu

8:30 a.m.
On the dynamics of infinite dimensional Hamiltonian particle systems
Oliver R. Knill*, University of Arizona, Tucson
(91982269)

9:00 a.m.
Conformally symplectic dynamics
Carlangelo Liverani, University of Rome II, Italy
Maciej P. Wojtkowski*, University of Arizona
(91958272)

9:30 a.m.
The number of periodic orbits in a polygonal billiard table with pockets
Gregory Galperin*, Eastern Illinois University (EIU)
(91970267)

10:00 a.m.
Periodic orbits for billiards in polygons
Eugene Gutkin*, USC, Los Angeles
(91958173)

10:30 a.m.
Geometry of projective billiards
Serge Tabachnikov*, University of Arkansas
(91958279)

Saturday March 22, 1997, 8:45 a.m.10:55 a.m.
Special Session on Invariants of 3Manifolds, III
Room 125, Dunn Hall
Organizers:
Richard Martin Hain, Duke University hain@math.duke.edu
Jun Yang, Duke University yang@math.duke.edu
Stavros Garoufalidis, Brown University stavros@math.mit.edu

8:45 a.m.
Finitetype $3$manifold invariants and the lower central series ofthe Torelli group.
Jerome Paul Levine*, Brandeis University
Stavros Garoufalidis, Harvard University
(91957239)

9:20 a.m.
padic Lie groups and splittings of 3manifold groups
Darren Long, University of California, Santa Barbara
Alan Reid*, University of Texas, Austin
(91957187)

9:55 a.m.
Generalizing Casson's invariant from SU(2) to SU(3)
Hans U. Boden*, McMaster University
Chris Herald, Swarthmore College
(91957111)

10:30 a.m.
Embedding Incompressible Surfaces in ThreeManifolds
Hugh Nelson Howards*, University of California, San Diego
(91954178)

Saturday March 22, 1997, 9:00 a.m.10:50 a.m.
Special Session on Symbolic Dynamics, III
Room 107, Dunn Hall
Organizers:
Paul B. Trow, University of Memphis trowp@mathsci.msci.memphis.edu

9:00 a.m.
Duality and ordered cohomology of shifts of finite type
K. H. Kim, Alabama State University
F. W. Roush, Alabama State University
Susan G. Williams*, University of South Alabama
(91958258)

9:30 a.m.
Polynomial matrices and spectra of nonnegative matrices
K. H. Kim, Alabama State University
Fred W. Roush*, Alabama State University
(91958135)

10:00 a.m.
Graph presentations for Markov shifts
Doris Fiebig*, University of Heidelberg
(91958116)

10:30 a.m.
Factor theorems and embedding theorems for locally compact Markov shifts
Ulf Fiebig*, University of Heidelberg
(91958115)

Saturday March 22, 1997, 9:00 a.m.10:50 a.m.
Special Session on Convergence and Recurrence in Ergodic Theory, III
Room 244, Psychology Building
Organizers:
Mate Wierdl, University of Memphis matyi@moni.msci.memphis.edu
James T. Campbell, University of Memphis campbelj@hermes.msci.memphis.edu

9:00 a.m.
Tail Fields Generated by Symbol Counts in MeasurePreserving Systems
Karl Petersen*, University of North Carolina
JeanPaul Thouvenot, Universit\' e Pierre et Marie Curie
(91928129)

9:40 a.m.
Symmetric measures and oscillation inequalities
Karin Reinhold*, University of Albany, SUNY
(91928130)

10:20 a.m.
When the Integral is the Limit
Joseph Max Rosenblatt*, University of Illinois
(91928158)

Saturday March 22, 1997, 9:00 a.m.10:50 a.m.
Special Session on Recurrent Neural Networks and Applications, II
Room 109, Dunn Hall
Organizers:
Fernanda Botelho, University of Memphis botelhof@hermes.msci.memst.edu
Max H. Garzon, University of Memphis garzonm@hermes.msci.memst.edu

9:00 a.m.
Nonparametric Adaptive Learning With Feedback
Halbert White*, University of California, San Diego
Xiaohong Chen,
(9196829)

9:30 a.m.
A Learning Algorithm for Applying Cohen's Models to System Identification
James W Howse*,
Chaouki T Abdallah,
Gregory L Heileman,
(91993296)

10:00 a.m.
Extraction of Rules from Recurrent Neural Networks and Applications to Financial Time Series
C. L. Giles*, NEC Research Institute
Steve Lawrence, NEC Research Institute
AhChung Tsoi, University of Woollongong, Australia
(91968308)

10:30 a.m.
Generating Random TimeSeries with Arbitrary Distributions by ChaoticNeural Networks
Xin Wang*, UCLA Computer Science Department
(9196825)

Saturday March 22, 1997, 10:00 a.m.10:20 a.m.
Special Session on Mathematical Methods in Computer Vision, I
Room 219, Psychology Building
Organizers:
Benjamin B. Kimia, Brown University kimia@lems.brown.edu

10:00 a.m.
Hierarchical Markov random fields and stochastic optimization with stable points
Gregory Budzban,
William A. Casey*,
(91960234)

Saturday March 22, 1997, 11:05 a.m.11:55 a.m.
Invited Address
Invariant curve and surface flows in computer vision
Psychology Lecture Hall, next to Psychology Building
Allen R. Tannenbaum*, University of Minnesota

Saturday March 22, 1997, 1:30 p.m.1:50 p.m.
Invited Address
Hodge theory and mapping class groups
Psychology Lecture Hall, next to Psychology Building
Richard M. Hain*, Duke University
(91920148)

Saturday March 22, 1997, 2:30 p.m.4:50 p.m.
Special Session on Approximation in Mathematics, III
Room 351, Dunn Hall
Organizers:
George A. Anastassiou, University of Memphis anastasg@mathsci.msci.memphis.edu

2:30 p.m.
On the mesh independence principle for a certain class of Newton methods and applications
Ioannis K. Argyros*, Cameron University
(9196593)

3:00 p.m.
Multivariate Exponential Differences
Thomas Kunkle*, College of Charleston
(91941169)

3:30 p.m.
Mellin Transforms and the Exponential Sampling Theorem
Paul L. Butzer*, RWTH Aachen
Stefan Jansche, University of Kiel
(91944244)

4:00 p.m.
Moduli of smoothness and best approximation of functions with singularities
Michael Ganzburg*, Hampton University
(91941209)

4:30 p.m.
Optimum Parameters for the Generalized ADI Method
B. Le Bailly, Facultes Universitaires NotreDame de la Paiz, NAMUR
JeanPierre Thiran*, Facultes Universitaires NotreDame de la Paix, NAMUR
(91941271)

Saturday March 22, 1997, 2:30 p.m.4:20 p.m.
Special Session on Symbolic Dynamics, IV
Room 107, Dunn Hall
Organizers:
Paul B. Trow, University of Memphis trowp@mathsci.msci.memphis.edu

2:30 p.m.
Semigroups Associated with 2dimensional Shifts
Nata\v sa Jonoska*, University of South Florida
(91958121)

3:00 p.m.
Characterizing tilings with selfsimilar structures
Natalie M Priebe*, University of North Carolina at Chapel Hill
(91958295)

3:30 p.m.
A class of quasiinvariant measures for the $\beta$shift
Kennan Shelton*, University of North Carolina at Chapel Hill
(91928247)

4:00 p.m.
Friedland's entropy for $Z^2$actions
William Geller*, Indiana UniversityPurdue University
Mark Pollicott, Manchester University, England
(91958300)

Saturday March 22, 1997, 2:30 p.m.5:20 p.m.
Special Session on Dynamical Systems and Fractal Geometry, IV
Room 109, Dunn Hall
Organizers:
Fernanda Botelho, University of Memphis botelhof@hermes.msci.memst.edu

2:30 p.m.
Classification of Denjoy Continua
Marcy Barge*, Montana State University
Robert F Williams, University of Texas at Austin
(91958230)

3:00 p.m.
Local stability and Lyapunov functions
Jorge Lewowicz, Faultad de Ingenier\'\i a., Universidad de La Republica, Uruguay
Juan Tolosa*, Richard Stockton College
(91958225)

3:30 p.m.
Numerical calculations for a family of torus maps with wandering domains.
Patrick D. McSwiggen*, University of Cincinnati
(91958255)

4:00 p.m.
Geometric integration on nonsmooth sets
Jenny C. Harrison*, U.C. Berkelely
(91928286)

4:30 p.m.
Connecting Webs for 2Parameter Dynamical Systems
J. Ringland*, SUNY Buffalo
K. Brucks, Univ. of WisconsinMilwaukee
M. Schell, SMU, Dallas
C. Tresser, IBM, Yorktown Heights, NY
(91958282)

5:00 p.m.
Invariant, generic, and noisy topology
Judy Kennedy*, University of Delaware
(91958306)

Saturday March 22, 1997, 2:30 p.m.5:15 p.m.
Special Session on Numerical Solutions for Partial Differential Equations, IV
Room 225, Dunn Hall
Organizers:
Ohannes Karakashian, University of Tennessee ohannes@math.utk.edu
Xiaobing Feng, University of Tennessee xfeng@math.utk.edu

2:30 p.m.
Numerical Analysis of Conservation Laws and HamiltonJacobi Equations.
Pierre A. Gremaud*, North Carolina State University
(91965200)

3:00 p.m.
Finite Element Superconvergence for the ReissnerMindlin Plate Model
Zhimin Zhang*, Texas Tech University
(91965252)

3:45 p.m.
Mixed Finite Element Methods on NonMatching Multiblock Grids
Todd Arbogast*, Texas Inst. for Computational and Applied Math., The University of Texas at Austin
Lawrence C. Cowsar, Lucent Technologies Bell Laboratories
Mary F. Wheeler, Texas Institute for Computational and Applied Mathematics, The University of Texas at Austin
Ivan Yotov, Texas Institute for Computational and Applied Mathematics, The University of Texas at Austin
(91965276)

4:15 p.m.
On the Reliability of FEMsolutions for Helmholtz equation
Frank Ihlenburg*, The University of Texas
(91965281)

4:45 p.m.
Finite Element Methods and Domain Decomposition Algorithms for a fluidSolidInteraction Problem
Xiaobing Feng*, The University of Tennessee
(91965236)

Saturday March 22, 1997, 2:30 p.m.3:40 p.m.
Special Session on Convergence and Recurrence in Ergodic Theory, IV
Room 244, Psychology Building
Organizers:
Mate Wierdl, University of Memphis matyi@moni.msci.memphis.edu
James T. Campbell, University of Memphis campbelj@hermes.msci.memphis.edu

2:30 p.m.
Multiparameter Superadditive Ergodic Theorems for Mean Ergodic$L_1$contractions
Do\u gan \c C\" omez*, North Dakota State University
(91928124)

3:10 p.m.
Random Averages
M\'at\'e Wierdl*, University of Memphis
(91928167)

Saturday March 22, 1997, 2:30 p.m.5:20 p.m.
Special Session on Complex Analysis in One and Several Variables, IV
Room 204, Psychology Building
Organizers:
Dmitry Khavinson, University of Arkansas dmitry@comp.uark.edu

2:30 p.m.
Sums of Kernel Functions
Daniel H Luecking*, University of Arkansas
(91930110)

3:00 p.m.
Cyclic vectors for crescent domains
Alexandru Aleman, Fernuniversitaet Hagen, Germany
Stefan Richter, University of Tennessee, Knoxville
William T. Ross*, University of Richmond
(9193061)

3:30 p.m.
Estimates of the Bergman kernel in Bergman spaces with radial weights
Richard Rochberg*, Washington University
Finbarr Holland, Cork University, Ireland
(91946198)

4:00 p.m.
Extremal Functions in Some Weighted Bergman Spaces
Carl Sundberg*, University of Tennessee
(91932237)

4:30 p.m.
Compact composition operators between weighted Bergman spaces on convex domains in $C^n$
Peter R. Mercer*, St. Mary's College of Maryland
(91932143)

5:00 p.m.
Distortion Theorems and Coefficient Bounds for Subclasses of Univalent Functions
Bruce O'Neill*, Mississippi Valley State University
(91930291)

Saturday March 22, 1997, 2:30 p.m.4:50 p.m.
Special Session on Harmonic Analysis and Convexity, IV
Room 206, Psychology Building
Organizers:
Eric A. Carlen, Georgia Institute of Technology carlen@math.gatech.edu
Erwin Lutwak, Polytechnic University lutwak@magnus.poly.edu
Elisabeth Werner, Case Western Reserve University emw2@po.cwru.edu

2:30 p.m.
The Fourier transform formula for the volume of sectionsof star bodies, and minimal sections of the $l_p^n$balls with $0
Alexander Koldobsky*, University of Texas at San Antonio
(9195256)

3:00 p.m.
Minkowski Sums of Projections of Convex Bodies
Paul R. Goodey*, University of Oklahoma
(91952212)

3:30 p.m.
Even valuations on convex bodies
Daniel A. Klain*, Georgia Institute of Technology
(9195299)

4:00 p.m.
The Santalo body of a convex body (joint work of E. Werner and M. Meyer)
Mathieu Meyer*, Universite de MarnelaVallee, France
Elisabeth M. Werner, Case Western REserve University
(91952303)

4:30 p.m.
A general geometric construction for affine surface area
Elisabeth M. Werner*, Case Western Reserve University
(91952314)

Saturday March 22, 1997, 2:30 p.m.4:40 p.m.
Special Session on Invariants of 3Manifolds, IV
Room 125, Dunn Hall
Organizers:
Richard Martin Hain, Duke University hain@math.duke.edu
Jun Yang, Duke University yang@math.duke.edu
Stavros Garoufalidis, Brown University stavros@math.mit.edu

2:30 p.m.
The Kauffman bracket skein algebra of links and arcs.
J\'ozef H. Przytycki*, George Washington University
(91957313)

3:05 p.m.
The Quest for the Minimum Volume Orientable Cusped Hyperbolic 3Manifolds
Chun Christopher Cao, Boston College
G. Robert Meyerhoff*, Boston College
(91957311)

3:40 p.m.
Construction and Classification of 1+1+1dim TQFT's.
Thomas Kerler*, Ohio State University
Volodimir Lyubashenko, Kansas State University
(91955302)

4:15 p.m.
Four vertex theorem and contact topology
Thomas K.K. Au, The Chinese University of Hong Kong
XiaoSong Lin*, University of California, Riverside
(91957270)

Saturday March 22, 1997, 2:30 p.m.4:50 p.m.
Special Session on Chaotic Dynamics, IV
Room 123, Dunn Hall
Organizers:
Nikolai I. Chernov, University of Alabama at Birmingham chernov@math.uab.edu
Serge Troubetzkoy, University of Alabama at Birmingham troubetz@math.uab.edu

2:30 p.m.
Building higher degree Julia sets
John C Mayer*, University of Alabama at Birmingham
(91954277)

3:00 p.m.
Intertwining Surgery and the Geography of the Cubic Connectedness Locus
Michael Yampolsky*, SUNY at Stony Brook
Adam Epstein, SUNY at Stony Brook
(91958185)

3:30 p.m.
Calculating Topological Entropy
Stewart L. Baldwin*, Auburn University, Auburn
Edward E Slaminka,
(91958268)

4:00 p.m.
Typical limit sets of critical points for smooth interval maps, II
Alexander Blokh*, University of Alabama at Birmingham
Michal Misiurewicz, Indiana University  Purdue University Indianapolis
(91958292)

4:30 p.m.
Typical limit sets of critical points for smooth interval maps, I
Alexander Blokh, University of Alabama at Birmingham
Michal Misiurewicz*, Indiana University  Purdue University Indianapolis
(91958290)

Saturday March 22, 1997, 2:30 p.m.5:50 p.m.
Special Session on Topology of Manifolds and Singular Spaces, IV
Room 129, Dunn Hall
Organizers:
Bruce Hughes, Vanderbilt University hughescb@math.vanderbilt.edu
Andrew A. Ranicki, Edinburgh University a.ranicki@edinburgh.ac.uk

2:30 p.m.
The Stratified Structure of Alexandrov Spaces
Conrad P Plaut*, University of Tennessee
(91953176)

3:00 p.m.
Finiteness theorems for hyperbolic manifolds
Igor Belegradek*, University of Maryland, College Park
(91957133)

3:30 p.m.
Algebraic Topology for Controlled Spaces
Hans J Munkholm*, IMADA, Odense University, Denmark
(9195546)

4:00 p.m.
The Geometric Finiteness Obstruction for Boundedly Controlled CW Complexes
Jill H. Wiesner*, Guilford College
(91957109)

4:30 p.m.
A comparison of Steenrod homology theories
Douglas Mennella*, SUNY at Binghamton
(9195586)

5:00 p.m.
On the exponent of the topological equivariant Kgroups.
Francis X. Connolly, University of Notre Dame
Stratos Prassidis*, Vanderbilt University
(9191971)

5:30 p.m.
Embedding theorems for Poincar\'e complexes
John R. Klein*, Bielefeld University
(9195551)

Saturday March 22, 1997, 2:30 p.m.5:20 p.m.
Special Session on Graph Theory, IV
Room 233, Dunn Hall
Organizers:
Ralph J. Faudree, Jr., University of Memphis faudreer@mathsci.msci.memphis.edu
Richard H. Schelp, University of Memphis schelpr@hermes.msci.memphis.edu

2:30 p.m.
Crossings in the Complete Graph
Barry L Piazza, University of Southern Mississippi
Sam Stueckle, Travecca Nazarene University
Richard D. Ringeisen*, East Carolina University
Heiko Harborth, Tech Universitat Braunschweig
Richard Guy, University of Calgary
(9190557)

3:00 p.m.
Uniform Maximum Degree and Edge Density
Debra Knisley*, East Tennessee State University
(91905146)

3:30 p.m.
Clique covering the edges of a locally cobipartite graph
Guantao Chen*, Georgia State University
Michael Jacobson, University of Louisville
Andr\'{e} K\'{e}zdy, University of Louisville
Jen\H{o} Lehel, University of Louisville
Edward Scheinerman, The Johns Hopkins University
Chi Wang, University of Louisville
(9190591)

4:00 p.m.
Heavy transversals in weighted hypergraphs with an application to consensus
Andr\'{e} E. K\'{e}zdy*, University of Louisville
Jen\H{o} Lehel, University of Louisville
Robert Powers, University of Louisville
(9190585)

4:30 p.m.
Minimal directed graphs of specified diameter
Zolt\'an F\"uredi*, University of Illinois and Math. Inst. of the Hungarian Academy
(91905152)

5:00 p.m.
On the Number of Vertices with Specified Eccentricity
Dhruv Mubayi, University of Illinois
Douglas B. West*, University of Illinois
(9190598)

Saturday March 22, 1997, 2:30 p.m.5:20 p.m.
Special Session on Partial Differential Equations, IV
Room 209, Dunn Hall
Organizers:
Gisele Ruiz Goldstein, University of Memphis Gisele@ceri.memphis.edu
Jerome A. Goldstein, University of Memphis goldstej@mathsci.msci.memphis.edu

2:30 p.m.
Peicewise $C^1$ Viscosity Solutions of Some Bellman Equations
James R. Dorroh*, Louisiana State University
Guillermo S. Ferreyra, Louisiana State University
(91935274)

3:00 p.m.
A Free Boundary Problem with Both Smooth and Nonsmooth Fit
J. R. Dorroh, Louisiana State University, Baton Rouge
Guillermo Ferreyra*, Louisiana State University, Baton Rouge
(91949261)

3:30 p.m.
An age dependent regularization of Martin's problem
W. Fitzgibbon, University of Houston
J. Morgan, Texas A&M University
M. Parrott*, University of South Florida
G. Webb, Vanderbilt University
(91935307)

4:00 p.m.
Existence results for Classes of Constrained Semipositone problems
Ratnasingham Shivaji*, Mississippi State University
(91935257)

4:30 p.m.
Weakly Coupled Systems of Partial Differential Equations Modelling the Circulation of Infectious Disease in Structured Populations
William E. Fitzgibbon, III*, University of Houston
Michel Langlais, Universite Bordeaux 2
(91935153)

5:00 p.m.
Large Diffusive Models of Resource and Sexual Competition
Wei Feng*, University of North Carolina at Wilmington
Wei Liu, University of North Carolina at Wilmington
(91935319)
Inquiries: meet@ams.org