AMS Sectional Meeting Full Program
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Program 
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1991 Southeastern Sectional Meeting
Tampa, FL, March 2223, 1991
Meeting #865
Associate secretaries:
Joseph A Cima, AMS
cima@email.unc.edu
Friday March 22, 1991

Friday March 22, 1991, 7:00 a.m.9:30 a.m.
Special Session on Harmonic Analysis and Applications, I
Room 202, Chemistry Building

7:00 a.m.
Some dimension results.
Anca Deliu*, Georgia Institute of Technology
(86541132)

7:40 a.m.
Extension domains for A_rho weights.
Peter Holden*, Florida International University
(8654208)

8:20 a.m.
Local solvability of first order linear operators with Lipschitz coefficients.
Jorge Hounie*, Universidade Federal de Pernambuco, Cidade Universitaria, Brasil
(8653592)

9:00 a.m.
A marriage theorem with Lebesque measure.
Steve Hudson*, Florida International University
(8654202)

Friday March 22, 1991, 7:00 a.m.9:20 a.m.
Special Session on Approximation Theory, I
Room 205, Chemistry Building

7:00 a.m.
Approximation of functions by polynomials in C[1, 1].
Z. Ditzian*, University of Alberta
D. Jiang, University of Alberta
(86541151)

7:30 a.m.
Monotone polynomial approximation in L_p, 0
D. Leviatan*, Tel Aviv University, Israel
(8654139)

8:00 a.m.
On blendingtype Kfunctionals.
Claudia Cottin*, University of Duisburg, Federal Republic of Germany
(8654169)

8:30 a.m.
Recent results on global smoothness preservation.
Claudia Cottin, University of Duisburg, Federal Republic of Germany
Heinz H. Gonska*, European Business School, Federal Republic of Germany
(86541189)

9:00 a.m.
Best uniform appproximation by solutions of elliptic differential equations.
Paul M. Gauthier, University of Montreal
D. Zwick*, University of Vermont
(86541191)

Friday March 22, 1991, 7:00 a.m.9:50 a.m.
Special Session on Finite Groups and Related Topics, I
Room 130, Physics Building

7:00 a.m.
Divisible codes and representations.
Harold N. Ward*, University of Virginia
(86594100)

7:30 a.m.
Hermitian and Ree unitals and their codes.
E. F. Assmus, Jr.*, Lehigh University
(8652053)

8:00 a.m.
The Jamison method in Galois geometries.
A. A. Bruen*, University of Western Ontario
J. C. Fisher, University of Regina
(86505144)

8:30 a.m.
Hyperplanes and embeddings of pointline geometries.
E. E. Shult*, Kansas State University
(86551140)

9:00 a.m.
Primitive permutation characters.
Robert M. Guralnick*, University of Southern California
Jan Saxl, Princeton University
(8652097)

9:30 a.m.
The absolute Galois group of a Hilbertian PRCfield.
Helmut V\"olklein*, University of Florida
Michael Fried, University of California, Irvine
(8651189)

Friday March 22, 1991, 7:00 a.m.9:50 a.m.
Special Session on Operator Methods for Control Problems, I
Room 120, Physics Building

7:00 a.m.
Controllability of distributed systems.
Lawrence Markus*, University of Minnesota, Minneapolis
(8659305)

8:00 a.m.
Mathematical controllability theory of capital growth of nations.
E. N. Chukwu*, North Carolina State University
(86593173)

8:40 a.m.
RKH space methods for identification of linear stochastic systems: A factorization approach.
Robert E. Fennell*, Clemson University
James A. Reneke, Clemson University
(8659383)

9:20 a.m.
Exact controllability of dynamic von Karman plates.
John E. Lagnese*, Georgetown University
(8659343)

Friday March 22, 1991, 7:00 a.m.9:30 a.m.
Special Session on Hypergeometric Functions on Domains of Positivity, Jack Polynomials, and Applications, I
Room 105, Chemistry Building

7:00 a.m.
Multivariate statistics in polymer physics.
Bruce Eichinger*, Biosym Technologies, Inc., San Diego and University of Washington
(86533139)

7:40 a.m.
Positive bilinear forms on polynomials with a reflection group invariance property.
Charles F. Dunkl*, University of Virginia
(8653384)

8:20 a.m.
Analytic continuation of the hypergeometric function of a matrix variable.
Jacques Faraut*, Universite Pierre et Marie Curie, France
(8653391)

9:00 a.m.
A Markov chain on the symmetric group and Jack's symmetric functions.
Phil Hanlon*, University of Michigan, Ann Arbor
(8650587)

Friday March 22, 1991, 8:00 a.m.9:10 a.m.
Special Session on Differential Geometry and Mathematical Physics, I
Room 118, Physics Building

8:00 a.m.
Null geodesics in cosmic censorship.
John K. Beem*, University of Missouri, Columbia
Andrzej Krolak, Polish Academy of Sciences, Poland
(8655301)

8:40 a.m.
Phase space symmetries and geometric quantization.
Gerard G. Emch*, University of Florida
(86553104)

Friday March 22, 1991, 8:00 a.m.9:50 a.m.
Special Session on Several Complex Variables, I
Room 109, Physics Building

8:00 a.m.
Ends of varieties.
H. Alexander*, University of Illinois, Chicago
(8653267)

8:30 a.m.
On an example of Ahern and Rudin.
John T. Anderson*, College of the Holy Cross
(8653223)

9:00 a.m.
Approximation on thin sets.
Thomas Bagby*, Indiana University, Bloomington
P. M. Gauthier, Universit\'e de Montr\'eal
(8653237)

9:30 a.m.
Leviflat hypersurfaces and averaging problems.
David E. Barrett*, University of Michigan, Ann Arbor
(8653244)

Friday March 22, 1991, 8:00 a.m.9:50 a.m.
Special Session on Probability on Algebraic and Topological Structures, I
Room 108, Physics Building

8:00 a.m.
Multiplicative symmetry groups of Markov processes.
Joseph Glover, University of Florida
Renming Song*, University of Florida
(8656028)

8:30 a.m.
Symmetry groups of Markov processes.
Ming Liao*, Auburn University, Auburn
(8656016)

9:00 a.m.
A multidimensional Feller program.
Joseph C. Watkins*, University of Southern California
(86560107)

9:30 a.m.
Markov functions.
Joseph Glover*, University of Florida
(8656052)

Friday March 22, 1991, 8:00 a.m.9:50 a.m.
Special Session on Fractal and Spectral Geometry, I
Room 101, Chemistry Building

8:00 a.m.
IFS's, compact semigroups, and topological contractions.
P. F. Duvall, Jr., University of North Carolina, Greensboro
J. W. Emert, Ball State University
L. S. Husch*, University of North Carolina, Greensboro
(8655426)

8:40 a.m.
Iterated function systems with applications to wavelet bases and the inverse fractal probelm.
J. S. Geronimo*, Georgia Institute of Technology
(86554174)

9:20 a.m.
Fractal functions and multiresolution analyses.
Douglas Hardin, Vanderbilt University
Bruce Kessler, Vanderbilt University
Peter R. Massopust*, Vanderbilt University
(8654174)

Friday March 22, 1991, 8:00 a.m.9:20 a.m.
Special Session on Nonlinear Boundary Value Problems, I
Room 102, Chemistry Building

8:00 a.m.
Permanence in some reactiondiffusion models from ecology.
R. S. Cantrell, University of Miami
C. Cosner*, University of Miami
V. C. L. Hutson, University of Sheffield, United Kingdom
(86535114)

8:30 a.m.
A singular parabolic problem.
Jerome A. Goldstein*, Tulane University and Mathematical Sciences Research Institute, Berkeley
(86535116)

9:00 a.m.
Existence and regularity for a singular parabolic problem.
Gisele Ruiz Rieder*, Louisiana State University, Baton Rouge
J. R. Dorroh, Louisiana State University, Baton Rouge
(86535178)

Friday March 22, 1991, 8:00 a.m.9:50 a.m.
Special Session on Mathematical Issues in Biologically Motivated Computing, I
Room 104, Chemistry Building

8:00 a.m.
Controlling chaos in distributed systems.
Bernado Huberman*, Xerox PARC, Palo Alto, California and Stanford University
(86568159)

9:00 a.m.
The possible role of ascendency in neural networks.
Ken Bosworth*, Chesapeake Biological Laboratory, University of Maryland, Solomons
Bob Ulanowicz, Chesapeake Biological Laboratory, University of Maryland, Solomons
(86568169)

9:30 a.m.
Evolving transformation systems: A new symbiosis of the discrete and the continuous.
Lev Goldfarb*, University of New Brunswick, Fredericton
(8656835)

Friday March 22, 1991, 10:00 a.m.11:00 a.m.
Invited Address
Can one hear the shape of a fractal drum? From the WeylBerry conjecture to the Riemann hypothesis.
Room 101, Chemistry Building
Michel L. Lapidus*, University of California, Riverside and Yale University
(8653545)

Friday March 22, 1991, 12:00 p.m.1:00 p.m.
Invited Address
The Weyl functional calculus.
Room 101, Chemistry Building
Josefina Alvarez*, New Mexico State University
(8654746)

Friday March 22, 1991, 1:10 p.m.3:00 p.m.
Special Session on Harmonic Analysis and Applications, II
Room 202, Chemistry Building

1:10 p.m.
Weighted inequalities for the Fourier transform.
H. Heinig, McMaster University
R. Johnson*, University of Maryland, College Park
(86542133)

1:50 p.m.
On the continuity of solutions to certain elliptic equations.
Craig A. Nolder*, Florida State University
(86535131)

2:30 p.m.
Some operators on the classical Hardy spaces.
Aristomenis Siskakis*, University of Thessaloniki, Greece and New Mexico State University, Las Cruces
(8653059)

Friday March 22, 1991, 1:10 p.m.3:30 p.m.
Special Session on Approximation Theory, II
Room 205, Chemistry Building

1:10 p.m.
Subexponential growth of solutions of difference equations.
Doron S. Lubinsky, University of Witwatersrand, Republic of South Africa
Paul Nevai*, Ohio State University, Columbus
(8653996)

1:40 p.m.
Zeros of orthogonal polynomials.
Vilmos Totik*, University of South Florida
(86533190)

2:10 p.m.
Polynomials orthogonal on the unit circle with random reflection coefficients.
J. S. Geronimo*, Georgia Institute of Technology
(86530175)

2:40 p.m.
On Markov's inequality on R for the Hermite weight.
X. Li*, University of Central Florida
R. N. Mohapatra, University of Central Florida
R. S. Rodriguez, University of Central Florida
(86541120)

3:10 p.m.
Muntz theorem on closed sets with positive measure.
Peter Borwein, Dalhousie University
Tam\'as Erd\'elyi*, Ohio State University, Columbus
(86541124)

Friday March 22, 1991, 1:10 p.m.3:20 p.m.
Special Session on Finite Groups and Related Topics, II
Room 130, Physics Building

1:10 p.m.
Nielsen separation: Distinct orbits of G(Q/Q) actions detected by representation theory.
Michael D. Fried*, University of California, Irvine
(86520179)

1:40 p.m.
Extended generalized polygons.
Richard M. Weiss*, Tufts University
(8652078)

2:10 p.m.
On loop rings and codes of nets.
G. Eric Moorhouse*, University of Wyoming
(8651779)

2:40 p.m.
Projective planes with regular collineation group and a question of prime power.
Chat Yin Ho*, University of Florida
(86520122)

Friday March 22, 1991, 1:10 p.m.3:40 p.m.
Special Session on Differential Geometry and Mathematical Physics, II
Room 118, Physics Building

1:10 p.m.
On the topology of black holes.
Gregory J. Galloway*, University of Miami
(86583167)

1:50 p.m.
Control theory and centroaffine geometry.
Robert Gardner*, University of North Carolina, Chapel Hill
(86593102)

2:30 p.m.
Geometry near the boundary of some YangMills moduli spaces.
David Groisser*, University of Florida
(8655376)

3:10 p.m.
A bosonic version of the Krichever correspondence.
Mitchell Rothstein*, University of Georgia
(86535171)

Friday March 22, 1991, 1:10 p.m.2:30 p.m.
Special Session on Several Complex Variables, II
Room 109, Physics Building

1:10 p.m.
Contact geometry and CR structures on S^3.
John Bland*, University of Toronto
(8653268)

1:40 p.m.
Holomorphic approximation of CR functions on tubular submanifolds of C^2.
Andre Boivin, University of Western Ontario
Roman Dwilewicz*, University of Warsaw, Poland
(8653242)

2:10 p.m.
Informal Discussion

Friday March 22, 1991, 1:10 p.m.2:30 p.m.
Special Session on Probability on Algebraic and Topological Structures, II
Room 108, Physics Building

1:10 p.m.
Eigenvalue bounds on convergence to stationarity for nonreversible Markov chains, with an application to the exclusion process.
James Allen Fill*, Johns Hopkins University, Baltimore
(8656094)

1:40 p.m.
Symmetries on random arrays and setindexed process.
Olav Kallenberg*, Auburn University, Auburn
(8656019)

2:10 p.m.
Weak convergence of probability measures on semigroups.
Gregory Budzban*, Martin Marietta Aerospace, Orlando, Florida
(86560117)

Friday March 22, 1991, 1:10 p.m.4:20 p.m.
Special Session on Fractal and Spectral Geometry, II
Room 101, Chemistry Building

1:10 p.m.
On negative dimensions for fractal sets and for multifractal measures.
Benoit B. Mandelbrot*, IBM T.J. Watson Research Center, Yorktown Heights, New York and Yale University
(86528186)

1:50 p.m.
The Riemann zeta function and the onedimensional WeylBerry conjecture for fractal drums.
Michel Lapidus, University of California, Riverside
Carl Pomerance*, University of Georgia
(8651173)

2:30 p.m.
The Riemann hypothesis, vibrating fractal strings and the modified WeylBerry conjecture.
Michel L. Lapidus, University of California, Riverside
Helmut Maier*, University of Georgia
(8651150)

3:10 p.m.
Integration on continuously embedded manifolds.
Jenny Harrison*, Mathematical Sciences Research Institute, Berkeley
(86558129)

3:50 p.m.
Counting and distribution problems in fractal geometry.
Steven P. Lalley*, Purdue University, West Lafayette
(86530181)

Friday March 22, 1991, 1:10 p.m.3:40 p.m.
Special Session on Operator Methods for Control Problems, II
Room 102, Chemistry Building

1:10 p.m.
Uniform decay rates for the solutions of semilinear wave equation with nonlinear boundary damping.
Irena Lasiecka*, University of Virginia
(8653558)

1:50 p.m.
Rational approximations of infinite dimensional systems.
E. B. Lee*, University of Minnesota, Minneapolis
(86549177)

2:30 p.m.
A minimax problem for semilinear nonlocal competitive systems.
Suzanne Lenhart*, University of Tennessee, Knoxville
Vladimir Protopopescu, Oak Ridge National Laboratory, Tennessee
Srdjan Stojanovic, University of Cincinnati
(8653514)

3:10 p.m.
What's new in boundary control theory of PDE's.
Walter Littman*, University of Minnesota, Minneapolis
(8653582)

Friday March 22, 1991, 1:10 p.m.5:40 p.m.
Special Session on Hypergeometric Functions on Domains of Positivity, Jack Polynomials, and Applications, II
Room 105, Chemistry Building

1:10 p.m.
Operatorvalued Bessel functions on symmetric cones.
Hongming Ding, University of Vermont
Kenneth I. Gross*, University of Vermont
(86533152)

1:50 p.m.
Finite field analogues of Bessel and Legendre functions for GL(n) and applications in graph theory.
Audrey Terras*, University of California at San Diego, La Jolla
(8651103)

2:30 p.m.
Identitites for generalized hypergeometric coefficients.
L. C. Biedenharn*, Duke University
(86533153)

3:10 p.m.
Degenerate principal series on tube type domains.
Kenneth D. Johnson*, University of Georgia
(8652286)

3:50 p.m.
A constant term orthogonality for the Jack symmetric functions.
Kevin W. J. Kadell*, Arizona State University
(86533154)

4:30 p.m.
Variation on a theme of Macdonald.
G. J. Heckman, Catholic University, The Netherlands
R. Brussee, University of Leiden, The Netherlands
E. M. Opdam*, University of Leiden, The Netherlands
(8653325)

5:10 p.m.
Associated continuous Hahn polynomials.
David R. Masson*, University of Toronto
(86533127)

Friday March 22, 1991, 1:10 p.m.3:35 p.m.
General Session
Room 120, Physics Building

1:10 p.m.
C^infinity functions with convergent Taylor series.
T. I. Ramsamujh*, Florida International University
(8650415)

1:25 p.m.
On the constructions of designs.
D. K. RayChaudhuri, Ohio State University, Columbus
Tianbao Zhu*, Ohio State University, Columbus
(8650506)

1:40 p.m.
On double stirling asymptotic formula.
R. Y. Song*, Florida State University
J. R. Quine, Florida State University
(8651112)

1:55 p.m.
Some remarks on primal ideals of the polynomial ring and power series ring.
J. H. Kim*, East Carolina University
(8651357)

2:10 p.m.
A new look at the rationals.
Anthony J. D'Aristotile*, State University of New York, College at Plattsburgh
Orrin Frink, Kennebunkport, Maine
(8651663)

2:25 p.m.
On the number of conjugacy classes in finite groups.
Edward A. Bertram*, University of Hawaii, Manoa
(86520123)

2:40 p.m.
Support points of subordination families.
Shelton Perera*, Union College
(86530135)

2:55 p.m.
The solution of a boundary value problem for a differential equation of nth order in a weighted Lebesque class.
Salah A. Emara*, American University in Cairo, Egypt
(86534119)

3:10 p.m.
Bound and tight extensions of a normed space.
N. V. Rao*, University of Toledo
(86546182)

3:25 p.m.
Equivalent composition operators.
Randall K. CampbellWright*, University of Tampa
(8654762)

Friday March 22, 1991, 1:40 p.m.3:00 p.m.
Special Session on Mathematical Issues in Biologically Motivated Computing, II
Room 104, Chemistry Building

1:40 p.m.
Emergent computation, genetic algorithms, and the immune system.
Stephanie Forrest*, University of New Mexico
(86568168)

2:10 p.m.
Periodic behaviors of deterministic interactionless Lindenmayer systems.
Tom Head*, State University of New York, Binghamton
(86568166)

2:40 p.m.
Evolution as a theme in artificial life.
David Jefferson*, University of California, Los Angeles
(86568165)
Saturday March 23, 1991

Saturday March 23, 1991, 7:00 a.m.9:30 a.m.
Special Session on Harmonic Analysis and Applications, III
Room 202, Chemistry Building

7:00 a.m.
Weak type (1.1) estimates for some extension operators related to rough maximal functions.
Peter Sj\"ogren, Chalmers University of Technology, Sweden
Fernando Soria*, Institute for Advanced Study
(8654260)

7:40 a.m.
Absolute continuity of ellipticcaloric measure.
Caroline Sweezy*, New Mexico State University, Las Cruces
(8654261)

8:20 a.m.
Robust quantities in partial differential equations.
Luc Tartar*, Carnegie Mellon University
(86535134)

9:00 a.m.
The Winer test for semilinear elliptic PDE.
David R. Adams*, University of Kentucky
(8653511)

Saturday March 23, 1991, 7:00 a.m.9:50 a.m.
Special Session on Finite Groups and Related Topics, III
Room 130, Physics Building

7:00 a.m.
Goupoids and buildings.
Curtis Bennett*, Michigan State University
(86520101)

7:30 a.m.
Chains of subgroups in Lie type groups.
Douglas Brozovic*, Ohio State University, Columbus
(8652027)

8:00 a.m.
Character degree divisibility in the Glauberman correspondence.
B. Hartley, Univeristy of Manchester, England
A. Turull*, University of Florida
(86520145)

8:30 a.m.
Finite subgroups of Lie groups.
Robert L. Griess, Jr.*, University of Michigan, Ann Arbor
(86520158)

9:00 a.m.
Blocktheoretic invariants.
Geoffrey Robinson*, University of Florida
(8652077)

9:30 a.m.
Quadratic modules in even characteristic.
Ulrich Meierfrankenfeld*, Michigan State University
G. Stroth, Free University of Berlin, Federal Republic of Germany
(86520172)

Saturday March 23, 1991, 7:00 a.m.9:30 a.m.
Special Session on Hypergeometric Functions on Domains of Positivity, Jack Polynomials, and Applications, III
Room 105, Chemistry Building

7:00 a.m.
Generalized hypergeometric functions in several variables.
Zhimin Yan*, University of California, Irvine
(8653385)

7:40 a.m.
Combinatorial properties of Jack symmetric functions.
Richard P. Stanley*, Massachusetts Institute of Technology
(8653351)

8:20 a.m.
Operatorvalued Bessel functions on SchroedingerFock spaces and Siegel domains of type II, and applications to representation theory.
Hongming Ding*, University of Vermont
(86533148)

9:00 a.m.
Random walks and zonal polynomials.
Persi Diaconis*, Harvard University
(86560146)

Saturday March 23, 1991, 8:00 a.m.9:50 a.m.
Special Session on Approximation Theory, III
Room 205, Chemistry Building

8:00 a.m.
Interpolation by periodic radial functions.
Yuan Xu, University of Texas, Austin
E. W. Cheney*, University of Texas, Austin
(86541185)

8:30 a.m.
Robustness of scattereddata interpolation matrices.
Joseph D. Ward*, Texas A\thsp\&\thsp M University, College Station
(8654199)

9:00 a.m.
On the 4/3 conjecture.
B. L. Chalmers*, University of California, Riverside
F. T. Metcalf, University of California, Riverside
B. Shekhtman, University of South Florida
Y. Shekhtman, Los Angeles, California
(8654170)

9:30 a.m.
The Polya algorithm as a metric selection.
Robert Huotari*, Idaho State University
(8654155)

Saturday March 23, 1991, 8:00 a.m.9:10 a.m.
Special Session on Differential Geometry and Mathematical Physics, III
Room 118, Physics Building

8:00 a.m.
Local cohomology in gauge theories, BRST transformations and anomalies.
Rudolf Schmid*, Emory University
(86581121)

8:40 a.m.
QuasiHopf algebras, differential analogs and beyond.
Jim Stasheff*, University of North Carolina, Chapel Hill
(86581188)

Saturday March 23, 1991, 8:00 a.m.9:50 a.m.
Special Session on Several Complex Variables, III
Room 109, Physics Building

8:00 a.m.
Kernels for the barred partialNeumann problem.
Kyoko Kimura*, University of South Carolina, Columbia
(86535192)

8:30 a.m.
Harmonic analysis on domains.
Steven G. Krantz*, Washington University
(8653110)

9:00 a.m.
Multidimensional manifolds in uniform algebra spectra.
Toma Tonev*, University of Toledo
(8653218)

9:30 a.m.
Pick interpolation on a uniform algebra.
Brian Cole, Brown University
Keith Lewis, Brown University
John Wermer*, Brown University
(8654622)

Saturday March 23, 1991, 8:00 a.m.9:50 a.m.
Special Session on Microcomputers and Workstations in Mathematics: Teaching and Research, I
Room 203, Chemistry Building

8:00 a.m.
New software for interactive computer graphics in introductory differential geometry.
Thomas Banchoff*, Brown University
(8655398)

8:40 a.m.
Adding a laboratory component to elementary differential equations.
Andrew G. Bennett*, Kansas State University
(86598105)

9:20 a.m.
Mathematics, micros and undergraduate courses.
James William Bruce*, Mount Holyoke College and University of Liverpool, United Kingdom
(86598115)

Saturday March 23, 1991, 8:00 a.m.9:50 a.m.
Special Session on Probability on Algebraic and Topological Structures, III
Room 108, Physics Building

8:00 a.m.
Semigroups, attractors and random matrices: An interplay.
Arunava Mukherjea*, University of South Florida
(86560137)

8:30 a.m.
Order independence and factor convergence in iterative scaling.
A. O. Pittenger*, University of Maryland, Baltimore County
(8656066)

9:00 a.m.
Martingales in manifolds: Dimensionfree estimates of first passage times.
R. W. R. Darling*, University of South Florida
(8656065)

9:30 a.m.
Some classical inequalities revisited.
Murali Rao, University of Florida
Hrvoje \v Siki\'c*, University of Florida and University of Zagreb, Yugoslavia
(8652664)

Saturday March 23, 1991, 8:00 a.m.9:50 a.m.
Special Session on Fractal and Spectral Geometry, III
Room 101, Chemistry Building

8:00 a.m.
Local connectivity results in complex dynamics.
John H. Hubbard*, Cornell University
(86558180)

8:40 a.m.
The scenery flow for hyperbolic Julia sets.
Tim Bedford, Delft University of Technology, Netherlands
Albert Fisher*, Yale University
Mariusz Urbanski, University of Gottingen, Federal Republic of Germany
(86528130)

9:20 a.m.
Dimension results and problems for deterministic and random sets.
R. Daniel Mauldin*, University of North Texas
(86528176)

Saturday March 23, 1991, 8:00 a.m.9:50 a.m.
Special Session on Operator Methods for Control Problems, III
Room 120, Physics Building

8:00 a.m.
Multivalued adjoints in optimal control theory.
M. Zuhair Nashed*, University of Delaware
(86549184)

8:40 a.m.
A question of wellposedness for certain control systems.
Richard Datko*, Georgetown University
(8659321)

9:20 a.m.
Stochastic differential games with a small parameter.
K. M. Ramachandran*, University of South Florida
G. Yin, Wayne State University
(86593110)

Saturday March 23, 1991, 8:00 a.m.9:50 a.m.
Special Session on Nonlinear Boundary Value Problems, II
Room 102, Chemistry Building

8:00 a.m.
Boundness and decay results.
W. E. Fitzgibbon*, University of Houston, University Park
(8653556)

8:30 a.m.
Stable steadystate solutions on catalyst surfaces.
Nela Lakos*, Ohio State University, Columbus
David Terman, Ohio State University, Columbus
(8653532)

9:00 a.m.
Boundedness and asymptotic convergence for a class of autocatalytic chemical systems.
Sheila J. Waggoner*, Furman University
(8653572)

9:30 a.m.
Linear and semilinear eigenvalue problems in R^n.
Allan L. Edelson*, University of California, Davis
Adolfo Rumbos, University of California, Davis
(8653571)

Saturday March 23, 1991, 8:00 a.m.9:50 a.m.
Special Session on Mathematical Issues in Biologically Motivated Computing, III
Room 104, Chemistry Building

8:00 a.m.
Computation at the edge of chaos: Phase transition and emergent computation.
Christopher Langton*, Los Alamos National Laboratory
(86568170)

9:00 a.m.
Evolution of communication in a population of simple machines.
Bruce MacLennan*, University of Tennessee, Knoxville
(86568164)

9:30 a.m.
The computational complexity of discrete feedforward neural networks.
Ian Parberry*, Univesity of North Texas
(86568163)

Saturday March 23, 1991, 10:00 a.m.11:00 a.m.
Invited Address
Hypergeometric functions on domains of positivity, and applications.
Room 101, Chemistry Building
Donald St. P. Richards*, University of Virginia
(8653317)

Saturday March 23, 1991, 12:00 p.m.1:00 p.m.
Invited Address
Wavelet compression.
Room 101, Chemistry Building
Ronald A. DeVore*, University of South Carolina, Columbia
(8654193)

Saturday March 23, 1991, 1:10 p.m.3:10 p.m.
Special Session on Harmonic Analysis and Applications, IV
Room 202, Chemistry Building

1:10 p.m.
Multipliers for Hardy spaces on locally compact Vilenkin groups.
Kees Onneweer*, University of New Mexico
(8654334)

1:50 p.m.
Spaces of sequences, sampling theorem, and functions of exponential type.
Rodolfo H. Torres*, Courant Institute of Mathematical Sciences, New York University
(8654629)

2:30 p.m.
Informal Discussion

Saturday March 23, 1991, 1:10 p.m.3:30 p.m.
Special Session on Approximation Theory, IV
Room 205, Chemistry Building

1:10 p.m.
Wavelets in low dimension.
Sherman D. Riemenschneider*, University of Alberta
Zuowei Shen, University of Alberta
(86541150)

1:40 p.m.
A direct application of wavelets to differential equations.
R. A. Lorentz*, Gesellschaft f\"ur Mathematik und Datenverarbeitung, Federal Republic of Germany
W. Madych, University of Connecticut, Storrs
(8656530)

2:10 p.m.
Convex and coconvexprobabilistic wavelet approximation.
George A. Anastassiou, Memphis State University
Xiang Ming Yu*, Memphis State University
(86541183)

2:40 p.m.
Splines and multiresolution analyses.
W. R. Madych*, University of Connecticut, Storrs
(8654131)

3:10 p.m.
The approximation order of box spline spaces.
Amos Ron*, University of Wisconsin, Madison
N. Sivakumar, Texas A\thsp\&\thsp M University, College Station
(86541141)

Saturday March 23, 1991, 1:10 p.m.3:30 p.m.
Special Session on Finite Groups and Related Topics, IV
Room 130, Physics Building

1:10 p.m.
Extensions of simple modules for G_2(3^n) and Ree groups of type G_2.
Peter Sin*, University of Florida
(86520147)

1:40 p.m.
Vectorspace embeddings of finite geometries.
Stephen D. Smith*, University of Illinois, Chicago
(8652090)

2:10 p.m.
On affine planes with a 2transitive orbit on l_infinity.
Yutaka Hiramine*, Osaka University, Japan and University of Iowa
(86551118)

2:40 p.m.
Bounded automorphisms of groups.
Renfang Jiang*, Washington University
(86520156)

3:10 p.m.
tregulus nets and their collineation groups.
Norman L. Johnson*, University of Iowa
Yutaka Hiramine, Osaka University, Japan
(8650580)

Saturday March 23, 1991, 1:10 p.m.3:00 p.m.
Special Session on Differential Geometry and Mathematical Physics, IV
Room 118, Physics Building

1:10 p.m.
The Cboundary of the final singularity.
Frank J. Tipler*, Tulane University
(86583103)

1:50 p.m.
Higher casual relations and nonlinear electrodynamics.
Geoffrey Martin*, University of Toledo
(8658341)

2:30 p.m.
Riemann metrics with prescribed Ricci curvature.
Georgi I. Kamberov*, Rice University
(8655338)

Saturday March 23, 1991, 1:10 p.m.4:20 p.m.
Special Session on Microcomputers and Workstations in Mathematics: Teaching and Research, II
Room 203, Chemistry Building

1:10 p.m.
Exploring small groups in the classroom.
Ladnor Geissinger*, University of North Carolina, Chapel Hill
(86598142)

1:50 p.m.
Work of the geometry supercomputer project.
Albert Marden*, University of Minnesota, Minneapolis
(86598143)

2:30 p.m.
Computationally based algebraic geometry and commutative algebra.
Donal O'Shea*, Mount Holyoke College
(86513138)

3:10 p.m.
NSFREU students get results in group theory  say CALEY essential.
Gary J. Sherman*, RoseHulman Institute of Technology
(8652049)

3:50 p.m.
Informal Discussion

Saturday March 23, 1991, 1:10 p.m.2:30 p.m.
Special Session on Probability on Algebraic and Topological Structures, IV
Room 108, Physics Building

1:10 p.m.
Markov chains with stochastically stationary transition probabilities.
Steven Orey*, University of Minnesota, Minneapolis
(86560106)

1:40 p.m.
Generalized Orlicz spaces, non L_2 Ustatistics, and multiple stochastic integrals.
Jerzy Szulga*, Auburn University, Auburn
(86560108)

2:10 p.m.
Stucture and moving average representation for strongly harmonizable processes.
Marc H. Mehlman*, University of Pittsburgh, Johnstown
(8656036)

Saturday March 23, 1991, 1:10 p.m.4:20 p.m.
Special Session on Fractal and Spectral Geometry, IV
Room 101, Chemistry Building

1:10 p.m.
Fractal spectral asymptotics.
Robert S. Strichartz*, Cornell University
(8654220)

1:50 p.m.
Fractal measures and mean quadratic variations.
KaSing Lau*, University of Pittsburgh, Pittsburgh
(8654575)

2:30 p.m.
Hardy's inequality and fractal measures.
Steve Hudson, Florida International University
Mark Leckband*, Florida International University
(86542109)

3:10 p.m.
Gaussian estimates for the Laplacian with lower order terms with applications to spectral asymptotics of certain fractal measures.
Alberto G. Setti*, Cornell University
(8655847)

3:50 p.m.
Harmonic calculus on fractals.
Jun Kigami*, Osaka University, Japan
(86558193)

Saturday March 23, 1991, 1:10 p.m.3:40 p.m.
Special Session on Operator Methods for Control Problems, IV
Room 102, Chemistry Building

1:10 p.m.
Periodic solutions for nonlinearly coupled control problems.
Emilio O. Roxin*, University of Rhode Island
(86549112)

1:50 p.m.
Riccati operator differential equations and hyperbolic mixed problems.
R. Triggiani*, University of Virginia
I. Lasiecka, University of Virginia
(86535187)

2:30 p.m.
Exponential stabilization of a nonlinear beam equation via the approach of inertial manifolds.
Yuncheng You*, University of South Florida
(8653581)

3:10 p.m.
Pertubation of domains in optimal control systems.
Bingyu Zhang*, University of Cincinnati
(86593111)

Saturday March 23, 1991, 1:10 p.m.3:00 p.m.
Special Session on Nonlinear Boundary Value Problems, III
Room 109, Physics Building

1:10 p.m.
Homotopy continuation methods and bounded solutions of nonautonomous equations.
James R. Ward*, University of Alabama, Birmingham
(8653495)

1:40 p.m.
Psuedo monotone dynamical systems on function spaces and applications.
M. N. Nkashama*, University of Alabama, Birmingham
(86534113)

2:10 p.m.
Informal Discussion

2:40 p.m.
Singular right focal boundary value problems.
Johnny Henderson*, Auburn University, Auburn
Paul Eloe, University of Dayton
(8653404)

Saturday March 23, 1991, 1:10 p.m.5:00 p.m.
Special Session on Hypergeometric Functions on Domains of Positivity, Jack Polynomials, and Applications, IV
Room 105, Chemistry Building

1:10 p.m.
Special functions and representations in the Fock space.
Ray A. Kunze*, University of Georgia
(86533126)

1:50 p.m.
Root systems and Jack polynomials.
I. G. Macdonald*, University of California at San Diego, La Jolla
(86517157)

2:30 p.m.
AskeyWilson polynomials for root systems of type BC.
Tom H. Koornwinder*, Centrum voor Wiskunde en Informatica, The Netherlands
(8653388)

3:10 p.m.
Unification of two types of hypergeometric functions and the related Jacobi polynomials.
Rene J. Beerends*, University of Leiden, Netherlands
Eric M. Opdam, University of Leiden, Netherlands
(8653307)

3:50 p.m.
Analysis in nonconvex homogeneous domains and barred partialcohomological extensions of spherical functions.
Simon G. Gindikin*, Moscow University, USSR and Rutgers University, New Brunswick
(86533155)

4:30 p.m.
The HallLittlewood polynomials and graded representations of S_n.
Adriano M. Garsia*, University of California at San Diego, La Jolla
(86517128)

Saturday March 23, 1991, 1:10 p.m.3:05 p.m.
General Session
Room 120, Physics Building

1:10 p.m.
Variational and quasi variational inequalities.
A. H. Siddiqui*, Aligarh M. University, India
(8654924)

1:25 p.m.
Simplexes in Riemannian manifolds.
Boris V. Dekster*, Mount Allison University
(8655309)

1:40 p.m.
Unimodality with vertex at the origin.
Shashanka Mitra*, Pennsylvania State University, DuBois Campus
(8656013)

1:55 p.m.
The bounded law of the iterated logarithm in Banach spaces.
Anant P. Godbole*, University of California, Santa Barbara
(8656033)

2:10 p.m.
On probabilistic transformations.
Morgan Phillips*, University of Central Florida
(8656054)

2:25 p.m.
Exchangeable trees and random distributions.
Tomasz Downarowicz, University of North Texas
R. Daniel Mauldin, University of North Texas
Michael G. Monticino*, University of North Texas
(86560136)

2:40 p.m.
Functions efficiently computable in parallel and distributed models.
John Pedersen*, University of South Florida
(86568149)

2:55 p.m.
Fixedpoint logics defined by pebble games.
Gregory L. McColm*, University of South Florida
(86568125)

Saturday March 23, 1991, 1:40 p.m.3:00 p.m.
Special Session on Mathematical Issues in Biologically Motivated Computing, IV
Room 104, Chemistry Building

1:40 p.m.
Asynchronous distributed computation: A topological approach to proving generic properties.
Richard Stark*, University of South Florida
(86568162)

2:10 p.m.
Cellular dynamics and information content: Issues arising in theoretical and computational gerentology.
Matthew Witten*, University of Texas, Austin
(86568161)

2:40 p.m.
Evolutions of cellular automata configurations.
Sheng Yu*, University of Western Ontario
(86568160)
Inquiries: meet@ams.org