AMS Sectional Meeting Program by Day
Current as of Tuesday, April 12, 2005 15:08:58
1992 Fall Central Section Meeting
Dayton, OH, October 30  November 1, 1992
Meeting #876
Associate secretaries: Andy R Magid, AMS amagid@ou.edu
Saturday October 31, 1992

Saturday October 31, 1992, 8:00 a.m.10:50 a.m.
Special Session on Operator Theory and Operator Algebras, III
Room 144, Russ Engineering Center

8:00 a.m.
Ideals in nest algebras generated by a diagonal element.
John L. Orr, University of Nebraska, Lincoln
David R. Pitts*, University of Nebraska, Lincoln
(87647120) 
8:30 a.m.
Isomorphisms of some maximal triangular algebras.
John L. Orr*, University of Nebraska, Lincoln
(87647121) 
9:00 a.m.
Operators and wavelets.
Xingde Dai, University of North Carolina, Charlotte
David R. Larson*, Texas A\thsp\&\thsp M University, College Station
(87647211) 
9:30 a.m.
Full nest algebras.
Alan Hopenwasser*, University of Alabama, Tuscaloosa
Justin R. Peters, Iowa State University
(8764778) 
10:00 a.m.
On the operator equations AX=Y.
Robert L. Moore, University of Alabama, Tuscaloosa
Tavan T. Trent*, University of Alabama, Tuscaloosa
(8764794) 
10:30 a.m.
Operators with property A_1(1).
Derek Westwood*, Xavier University
(8764779)

8:00 a.m.

Saturday October 31, 1992, 8:00 a.m.10:50 a.m.
Special Session on Combinatorics and Graph Theory, III
Room 67, Rike Hall

8:00 a.m.
Cycle ideals for distanceregular graphs.
Aaron D. Meyerowitz*, Florida Atlantic University
(87605123) 
8:30 a.m.
Perfect Nelder block sequences.
D. A. Preece*, University of Canterbury, England
(87605103) 
9:00 a.m.
The strong Kronecker product.
Warwick de Launey, Cryptomathematics Group, Melbourne, Australia
Jennifer Seberry*, University of Wollongong, Australia
(8760528) 
9:30 a.m.
Difference sets in Abelian groups of p rank 2.
Surinder Sehgal*, Ohio State University, Columbus
K. T. Arasu, Wright State University, Dayton
(8760529) 
10:00 a.m.
Balanced ternary designs: An updated parameter list and some recent results.
Elizabeth J. Billington*, Auburn University, Auburn
(8760502) 
10:30 a.m.
A large set of designs on vector spaces.
D. K. RayChaudhuri*, Ohio State University, Columbus
Erin J. Schram, Shawnee Community College
(87605152)

8:00 a.m.

Saturday October 31, 1992, 8:00 a.m.10:50 a.m.
Special Session on Groups and Geometries, II
Room 68, Rike Hall

8:00 a.m.
Cyclic affine planes and Paley difference sets.
K. T. Arasu*, Wright State University, Dayton
A. Pott, JustusLiebig University Giessen, Germany
(8765138) 
8:30 a.m.
Elementary abelian 3subgroups of the monster.
Thomas M. Richardson*, Western Michigan University
(87620131) 
9:00 a.m.
Recent results on finite subroups of Lie groups.
Robert L. Griess, Jr.*, University of Michigan, Ann Arbor
(87620233) 
9:30 a.m.
When does a building have a twin.
Curtis Bennett*, Ohio State University, Columbus
(8761751) 
10:00 a.m.
On 6gonal graphs with a triply transitive suborbit.
Manley Perkel*, Wright State University
Cheryl Praeger, University of Western Australia
(8762059) 
10:30 a.m.
Locally finite groups and minimal conditions.
Richard E. Phillips*, Michigan State University
(8762057)

8:00 a.m.

Saturday October 31, 1992, 8:00 a.m.10:50 a.m.
Special Session on Topology of Affine Hypersurfaces and Related Number Theory, III
Room 168, Rike Hall

8:00 a.m.
Stratification of families of plane algebraic curves by the link at infinity.
S. Allen Broughton*, Cleveland State University
(87611259) 
8:30 a.m.
Modified integral closure conditions and equisingularity.
J. W. Bruce, University of Liverpool
Donal O'Shea*, Mount Holyoke College
(87632206) 
9:00 a.m.
Arithmetic algebraic geometry.
W. Niziol*, University of Chicago
(87614262) 
9:30 a.m.
The finiteness problem in rigid cohomology.
Richard Crew*, University of Florida
(87614189) 
10:00 a.m.
Hypergeometric differential equations.
Alan C. Adolphson*, Oklahoma State University
(87611250) 
10:30 a.m.
Weak completion and convex functions.
Daqing Wan*, University of Nevada, Las Vegas
(8761343)

8:00 a.m.

Saturday October 31, 1992, 8:00 a.m.10:50 a.m.
Special Session on SetTheoretic Topology, II
Room 156, Rike Hall

8:00 a.m.
Some results in topology and set theory.
Amer Beslagic*, George Mason University
(87654255) 
8:30 a.m.
Tightness and normality in products of fans.
Gary Gruenhage*, Auburn University, Auburn
K. Tamano, Yokohama National University, Japan
(87654150) 
9:00 a.m.
Homogeneity properties of the graph of the Jones additive function.
Robert W. Heath*, University of Pittsburgh
(87654149) 
9:30 a.m.
When are triquotient maps inductively perfect? Part I.
Myung Hyun Cho, Ohio University, Athens
Winfried Just, Ohio University, Athens
Howard H. Wicke*, Ohio University, Athens
(87654199) 
10:00 a.m.
When are triquotient maps inductively perfect? Part II.
Winfried Just*, Ohio University, Athens
Howard H. Wicke, Ohio University, Athens
(87654197) 
10:30 a.m.
Is there a Michael space in ZFC?
L. Brian Lawrence*, George Mason University
(87654186)

8:00 a.m.

Saturday October 31, 1992, 8:00 a.m.10:50 a.m.
Special Session on Function Theory, III
Room 145, Russ Engineering Center

7:00 a.m.
Informal Discussion 
8:30 a.m.
A distortion theorem for circle packings.
Tomasz Dubejko, University of Tennessee, Knoxville
Kenneth Stephenson*, University of Tennessee, Knoxville
(87630187) 
9:00 a.m.
On a theorem of Baernstein.
Enrique Villamor*, Florida International University
(87630117) 
9:30 a.m.
Informal Discussion 
9:30 a.m.
The support points of the unit ball in Bloch space.
Mario Bonk*, Institut fur Analysis, Germany
(87630174) 
10:00 a.m.
Problems in function theory.
Roger W. Barnard*, Texas Tech University
(87630231)

7:00 a.m.

Saturday October 31, 1992, 8:30 a.m.10:50 a.m.
Special Session on Hyperbolic Manifolds, I
Room 162, Rike Hall

8:30 a.m.
Constant mean curvature surfaces in hyperbolic manifolds.
Rob Kusner*, University of Michigan, Ann Arbor
(87653271) 
9:00 a.m.
The characteristic submanifold in higher dimensions.
Peter Scott*, University of Michigan, Ann Arbor
(8765722) 
9:30 a.m.
QuasiFuchsian surfaces in hyperbolic knot complements.
Colin Adams, Williams College
Alan Reid*, University of Texas, Austin
(87657154) 
10:00 a.m.
Twogenerator Kleinian groups with the NSDC property and commutator constructions.
Jane Gilman*, Rutgers University, Newark
(87630175) 
10:30 a.m.
Quasifuchsian subgroups of Kleinian groups.
James W. Anderson*, Rice University
(87630192)

8:30 a.m.

Saturday October 31, 1992, 8:30 a.m.10:50 a.m.
Special Session on Quantum Groups and Regular Algebras, II
Room 64, Rike Hall

8:30 a.m.
Zonal spherical functions on quantum homogenous spaces.
Naihuan Jing*, University of Kansas
(8762248) 
9:00 a.m.
Bases for quantum Demazure modules.
V. Lakshmibai*, Northeastern University
(87622158) 
9:30 a.m.
Informal Discussion 
9:30 a.m.
Koszul duality for operads.
V. Ginzburg, Russian Academy of Sciences, USSR
M. Kapranov*, Northwestern University
(87617241) 
10:00 a.m.
Representations of the quantized algebras of functions.
Yan Soibelman*, Harvard University
(87620264)

8:30 a.m.

Saturday October 31, 1992, 8:30 a.m.10:50 a.m.
Special Session on Differential and Integral Equations, II
Room 146, Russ Engineering Center

8:30 a.m.
Traveling waves for a generalized discrete Fisher's equation.
Bill Hudson, Auburn University, Auburn
Bertram Zinner*, Auburn University, Auburn
(8763441) 
9:00 a.m.
Finite extinction time for nonlinear parabolic Neumann boundary value problem.
Mark Edwin Oxley*, Air Force Institute of Technology
Alan V. Lair, Air Force Institute of Technology
(87635210) 
9:30 a.m.
Bursting oscillations in excitable membrane models.
David Terman*, Ohio State University, Columbus
(8769231) 
10:00 a.m.
Multiplicity results for several classes of boundaryvalue problems.
Philip Korman*, University of Cincinnati
Tiancheng Ouyang, University of Cincinnati
(87634106) 
10:30 a.m.
Optimal harvestingcoefficient control of steadystate preypredator diffusive VolterraLotka systems.
Anthony W. Leung*, University of Cincinnati
(8763565)

8:30 a.m.

Saturday October 31, 1992, 8:30 a.m.10:50 a.m.
Special Session on Knots and Topological Quantum Field Theory, III
Room 58, Rike Hall

8:30 a.m.
Knots, cablings and quantum field theory.
Christopher King*, Northeastern University
(8768147) 
9:00 a.m.
Latticized Abelian ChernSimons theory and knot invariants on Riemann surfaces.
David Eliezer*, Lawrence Livermore National Laboratory, Livermore, California
G. W. Semenoff, University of British Columbia
M. Bergeron, University of British Columbia
(87657268) 
9:30 a.m.
Quantum gravity and the Jones polynomial.
Jorge Pullin*, University of Utah
(8768307) 
10:00 a.m.
Global gravitational anomalyfree topological field theory.
Randy A. Baadhio*, University of California, Berkeley
(8768145) 
10:30 a.m.
Triangulations, categories and topological field theory.
Ruth J. Lawrence*, Harvard University
(87657235)

8:30 a.m.

Saturday October 31, 1992, 8:30 a.m.10:50 a.m.
Special Session on Riccati Equations and Transport Theory, III
Room 148, Russ Engineering Center

8:30 a.m.
Informal Discussion 
8:30 a.m.
Upwind finite difference discretization of BoltzmannPoisson system of electron transport in semiconductor devices.
Emad Fatemi*, University of Minnesota, Minneapolis
Farouk Odeh, IBM T. J. Watson Research Center, Yorktown Heights, New York
(8766598) 
9:00 a.m.
Particle methods for periodic VlasovPoisson systems.
Harold D. Victory, Jr.*, Texas Tech University
(87682220) 
10:00 a.m.
Asymptotically accurate models of semiconductors.
Patrick S. Hagan*, Los Alamos National Laboratory
Luis Reyna, IBM T. J. Watson Research Center, Yorktown Heights, New York
Robert W. Cox, Indiana UniversityPurdue University, Indianapolis
Barbara A. Wagner, University of Arizona
(8766571) 
10:30 a.m.
Computing steady states of quantum mechanical systems via Blochtype equations.
Christian Ringhofer*, Arizona State University
(87647274)

8:30 a.m.

Saturday October 31, 1992, 8:45 a.m.9:40 a.m.
Session on Graph Theory, II
Room 70, Rike Hall

8:45 a.m.
A standard mathematical proof of the four color problem.
Joseph E. Brierly*, United States Army TankAutomotive Command, Warren, Michigan
(87605273) 
9:00 a.m.
Homomorphism and sigmapolynomials.
Richard Alan Gillman*, Valparaiso University
(8760515) 
9:15 a.m.
The Steiner system S(5,8,24) constructed from dual affine planes.
Golala A. Kadir*, Yarmouk University, Jordan
(87605173) 
9:30 a.m.
Strongly regular Cayley graphs with lambdamu =1.
K. T. Arasu*, Wright State University
D. Jungnickel, JustusLiebig University Giessen, Germany
A. Pott, JustusLiebig University Giessen, Germany
S. L. Ma, National University of Singapore
(8760530)

8:45 a.m.

Saturday October 31, 1992, 9:45 a.m.10:40 a.m.
Session on Algebra
Room 70, Rike Hall

9:45 a.m.
Divisible analogs of Yamamoto's theorems on difference sets.
K. T. Arasu, Wright State University, Dayton
Qing Xiang*, Wright State University, Dayton
(8760540) 
10:00 a.m.
General Selmer groups and critical values of Hecke Lfunctions.
Li Guo*, Ohio State University, Columbus
(87614111) 
10:15 a.m.
The minimal angle of a linear transformation.
Javad Habibi*, Muskingum College
(87615242) 
10:30 a.m.
On the endomorphism algebra of the Coxeter complex of type A.
Eli A. Siegel*, Loyola University of Chicago
(87616104)

9:45 a.m.

Saturday October 31, 1992, 11:00 a.m.11:50 a.m.
Invited Address
From knots to quantum field theory and back.
Auditorium, Medical Sciences Building
Louis H. Kauffman*, University of Illinois, Chicago
(87681200) 
Saturday October 31, 1992, 1:30 p.m.2:20 p.m.
Invited Address
Symmetry and chaos.
Auditorium, Medical Sciences Building
Martin Golubitsky*, University of Houston, Downtown
(87634126) 
Saturday October 31, 1992, 2:30 p.m.6:50 p.m.
Special Session on Combinatorics and Graphy Theory, IV
Room 67, Rike Hall

2:30 p.m.
Factoring distance matrix polynomials of graphs.
Karen L. Collins*, Wesleyan University
(8760554) 
3:00 p.m.
The graphs of thin type.
Paul Terwilliger*, University of Wisconsin, Madison
(8760591) 
3:30 p.m.
Eigenvalues and eigenvectors for buckyballs and multilevel circulants.
ShyiLong Lee, Academia Sinica, People's Republic of China
YeungLong Luo, Academia Sinica, People's Republic of China
Bruce E. Sagan*, Michigan State University
YeongNan Yeh, Academia Sinica, People's Republic of China
(8760553) 
4:00 p.m.
Chordal completions of grids and planar graphs.
Fan R. K. Chung*, Bellcore, Morristown, New Jersey
David Mumford, Harvard University
(87605101) 
4:30 p.m.
On Hadwiger's graph coloring conjecture.
Neil Robertson*, Ohio State University, Columbus
(87605275) 
5:00 p.m.
On the Steiner medians of trees.
Lowell W. Beineke*, Indiana UniversityPurdue University, Ft.\ Wayne
Ortrud R. Oellerman, University of Natal, Republic of South Africa
Raymond E. Pippert, Indiana UniversityPurdue University, Ft.\ Wayne
(87605151) 
5:30 p.m.
A generalization of Dirac's result for balanced kpartite graphs.
Ralph Faudree, Memphis State University
Ronald J. Gould, Emory University
Michael S. Jacobson*, University of Louisville
Linda Lesniak, Drew University
(8760586) 
6:00 p.m.
Structure of the HoffmanSingleton graph.
Allen J. Schwenk*, Western Michigan University
(87605198) 
6:30 p.m.
Eigenvalues and separation in graphs.
Zevi Miller*, Miami University
Dan Pritikin, Miami University
(8760592)

2:30 p.m.

Saturday October 31, 1992, 3:00 p.m.6:50 p.m.
Special Session on Hyperbolic Manifolds, II
Room 162, Rike Hall

3:00 p.m.
Bending of hyperbolic manifolds along pleated hypersurfaces.
Boris Apanasov*, University of Oklahoma
(87657193) 
3:30 p.m.
Dirichlet points, Garnett points, and the geometry of infinite ends of hyperbolic surfaces.
Andrew Haas*, University of Connecticut, Storrs
(87630209) 
4:00 p.m.
Strong limits of geometrically finite hyperbolic 3manifolds.
R. D. Canary*, University of Michigan, Ann Arbor
Y. N. Minsky, University of Michigan, Ann Arbor
(87657216) 
4:30 p.m.
Harmonic maps and Thurston's ending lamination conjecture.
Yair N. Minsky*, University of Michigan, Ann Arbor
(87653217) 
5:00 p.m.
Hyperbolic volume and mod p homology.
Marc Culler, University of Illinois, Chicago
Peter B. Shalen*, University of Illinois, Chicago
(87657272) 
5:30 p.m.
A fundamental domain for the Teichmuller modular group.
Bernard Maskit*, State University of New York, Stony Brook
(87630223) 
6:00 p.m.
Realizability of automorphisms of 3manifold groups and deformation spaces of Kleinian groups.
Richard D. Canary, University of Michigan, Ann Arbor
Darryl McCullough*, University of Oklahoma
(87620224) 
6:30 p.m.
Polynomial iteration and covering for Kleinian groups.
F. W. Gehring*, University of Michigan, Ann Arbor
G. J. Martin, University of Auckland, New Zealand
(87630227)

3:00 p.m.

Saturday October 31, 1992, 3:00 p.m.5:20 p.m.
Special Session on Quantum Groups and Regular Algebras, III
Room 64, Rike Hall

3:00 p.m.
Line modules over the 5dimensional Sklyanin algebra.
Joanna M. Staniszkis*, University of Washington
(87616263) 
3:30 p.m.
When does the FRT construction yield a deformation of the matrix bialgebra?
Samuel D. Schack*, State University of New York, Buffalo
(87616253) 
4:00 p.m.
Construction of quantum groups from BelavinDrinfel'd infinitesimals.
Anthony Giaquinto*, University of Michigan, Ann Arbor
(87616225) 
4:30 p.m.
Quantum Weyl algebras associated to skew polynomial rinds.
James J. Zhang*, University of Michigan, Ann Arbor
(87616222) 
5:00 p.m.
Prime factor algebras of the coordinate ring of quantum matrices.
K. R. Goodearl, University of California, Santa Barbara
E. S. Letzter*, Texas A\thsp\&\thsp M University, College Station
(87616226)

3:00 p.m.

Saturday October 31, 1992, 3:00 p.m.6:20 p.m.
Special Session on Operator Theory and Operator Algebras, IV
Room 144, Russ Engineering Center

3:00 p.m.
Finite dimensional operator theory: A new approach.
Sheldon Axler*, Michigan State University
(8761597) 
3:30 p.m.
Finding the norm of a Schur multiplier.
Carl C. Cowen*, Purdue University, West Lafayette
(8761574) 
4:00 p.m.
Spectral theorem for unbounded groups of operators.
Khristo Boyadzhiev*, Ohio Northern University
Ralph deLaubenfels, Ohio University, Athens
(8764783) 
4:30 p.m.
Analytic reproducing kernels and factorization.
Paul J. McGuire*, Bucknell University
Gregory T. Adams, Bucknell University
John Froelich, University of Houston, University Park
Vern I. Paulsen, University of Houston, University Park
(8764776) 
5:00 p.m.
Free convolution of measures with compact support.
Hari Bercovici*, Indiana University, Bloomington
Dan Voiculescu, University of California, Berkeley
(87646167) 
5:30 p.m.
Reducing subspaces for composition operators on L^2.
Alan Lambert*, University of North Carolina, Charlotte
(8764780) 
6:00 p.m.
Unbounded holomorphic functional calculus.
Ralph deLaubenfels*, Ohio University, Athens
(8764726)

3:00 p.m.

Saturday October 31, 1992, 3:00 p.m.7:20 p.m.
Special Session on Groups and Geometries, III
Room 68, Rike Hall

3:00 p.m.
Nonfinitary, locally finite, simple groups.
Ulrich Meierfrankenfeld*, Michigan State University
(8762032) 
3:30 p.m.
Fixed point theorems for group actions on acyclic complexes.
Yoav Segev*, BenGurion University, Israel
(87647257) 
4:00 p.m.
On Tilde geometries and geometries related to the Petersen graph.
A. A. Ivanov*, Institute for System Studies, USSR
(8762052) 
4:30 p.m.
Fixed point ratios in exceptional groups of Lie type.
Daniel Frohardt, Wayne State University
Kay Magaard*, Wayne State University
(8762016) 
5:00 p.m.
Braid group action via GL(n,q) and U(n,q).
H. Volklein*, University of Florida
(8762017) 
5:30 p.m.
On the uniqueness of the G_2 algebra in characteristic 2.
Daniel Frohardt, Wayne State University
Peter Johnson*, Kansas State University
(87620134) 
6:00 p.m.
Near failure of factorization.
Alberto L. Delgado*, Kansas State University
(87620239) 
6:30 p.m.
Diagram automorphisms and outer automorphisms.
Antonio Pasini*, University of Siena, Italy
(8762050) 
7:00 p.m.
A geometry for M_24.
Richard Margolin*, The First Boston Corporation, New York, New York
(87620244)

3:00 p.m.

Saturday October 31, 1992, 3:00 p.m.6:20 p.m.
Special Session on Control Theory and Partial Differential Equations
Room 153, Russ Engineering Center

3:00 p.m.
Controlling quantummechanical systems.
Katherine Kime*, Case Western Reserve University
(8769369) 
3:20 p.m.
Informal Discussion 
3:30 p.m.
Openloop and feedback optimal controls for heatdiffusion equations.
Boris Mordukhovich*, Wayne State University
(87649207) 
4:00 p.m.
Optimal control problems for PDE with boundary conditions of antiperiodic type.
N. H. Pavel*, Ohio University, Athens
(87649208) 
5:00 p.m.
Computational methods in shape optimization for the NavierStokes equations.
Max D. Gunzburger*, Virginia Polytech Institute & State University
(87665122) 
5:30 p.m.
Conservation laws in optimization of shape.
Vadim Komkov*, Air Force Institute of Technology
(8769370) 
6:00 p.m.
Nonsmooth analysis and shape optimization for pde's.
Srdjan Stojanovic*, University of Cincinnati
(87649163)

3:00 p.m.

Saturday October 31, 1992, 3:00 p.m.5:50 p.m.
Special Session on Differential and Integral Equations, III
Room 146, Russ Engineering Center

3:00 p.m.
Stokes multipliers for a certain third order differential equation in the vicinity of an irregular singular point.
T. K. Puttaswamy*, Ball State University
(8763463) 
3:30 p.m.
Sign properties of Green's functions for a family of two point boundary value problems.
Paul W. Eloe*, University of Dayton
Jerry Ridenhour, Utah State University
(8763449) 
4:00 p.m.
Boundary value problems for Lipschitz equations with coefficients bounded in L^r.
Johnny Henderson*, Auburn University, Auburn
(8763404) 
4:30 p.m.
The Cauchy function for an nth order difference equation.
Allan Peterson*, University of Nebraska, Lincoln
(8763425) 
5:00 p.m.
Averaging techniques in oscillation theory.
Lynn Erbe*, University of Alberta
(8763464) 
5:30 p.m.
On a singular diffusion equation.
Hongfei Zhang*, Ball State University
(87634258)

3:00 p.m.

Saturday October 31, 1992, 3:00 p.m.6:50 p.m.
Special Session on Knots and Topological Quantum Field Theory, IV
Room 58, Rike Hall

3:00 p.m.
Diagrammatic invariants of knotted curves and surfaces.
J. Scott Carter*, University of South Alabama
Masahico Saito, University of Texas, Austin
(87657218) 
3:30 p.m.
Smoothings of higher dimensional knots and remarks on simplex equations.
J. Scott Carter, University of South Alabama
Masahico Saito*, University of Texas, Austin
(87657185) 
4:00 p.m.
2categories and 2knots.
John E. Fischer, Jr.*, Yale University
(8765714) 
4:30 p.m.
Informal Discussion 
4:30 p.m.
Multidimensional integrability, Dalgebras, and the Dsimplex equations.
Frank Nijhoff*, Clarkson University
(8761613) 
5:00 p.m.
Knots, tangles and electrical networks.
Jay R. Goldman*, University of Minnesota, Minneapolis
Louis H. Kauffman, University of Illinois, Chicago
(87657205)

3:00 p.m.

Saturday October 31, 1992, 3:00 p.m.6:50 p.m.
Special Session on Riccati Equations and Transport Theory, IV
Room 148, Russ Engineering Center

3:00 p.m.
Informal Discussion 
3:00 p.m.
Convexity and Riccati flows.
James S. Wolper*, Idaho State University
(87658251) 
3:30 p.m.
Geometry of Riccati like equations.
Clyde Martin*, Texas Tech University
Victor Shubov, Texas Technical University
(87693144) 
4:30 p.m.
Informal Discussion 
4:30 p.m.
Algebraic Riccati equations with operator coefficients.
Leiba Rodman*, College of William and Mary
(87647182) 
5:00 p.m.
Coupled Riccati equations in differential games.
H. AbouKandil*, Ecole Normale Superieure de Cachan, France
(8763472) 
6:00 p.m.
Preserving positive definiteness in the numerical solution of Riccati and Lyapunov equations.
Luca Dieci*, Georgia Institute of Technology
(87634267) 
6:30 p.m.
The decomposition method and applications to nonlinear transport and Riccati equation.
George Adomian*, General Analytics Incorporated, Athens, Georgia
(8763596)

3:00 p.m.

Saturday October 31, 1992, 3:00 p.m.6:50 p.m.
Special Session on Topology of Affine Hypersurfaces and Related Number Theory, IV
Room 168, Rike Hall

3:00 p.m.
Higher multiplicities and almost free divisors.
James Damon*, University of North Carolina, Chapel Hill
(87632105) 
3:30 p.m.
Aspherical threearrangements and cohomology of groups.
Richard Randell*, University of Iowa
(8761475) 
4:00 p.m.
Coxeter arrangements are hereditarily free.
Peter Orlik*, University of Wisconsin, Madison
Hiroaki Terao, University of Wisconsin, Madison
(8761410) 
4:30 p.m.
A simple hypergeometric system.
JeanLuc Brylinski*, Pennsylvania State University, University Park
(87614132) 
5:00 p.m.
On Kouchnirenko's theorem.
Pierrette CassouNogu\`es*, University of Bordeaux I, France
(87655203) 
5:30 p.m.
Koosterman sums as algebraic integers.
Benji N. Fisher*, Columbia University
(87611133) 
6:00 p.m.
Fermat equations and families.
David M. Goss*, Ohio State University, Columbus
(87611228) 
6:30 p.m.
Local densities as RadonNikodym derivatives.
David Hayes*, University of Massachusetts, Amherst
(87611155)

3:00 p.m.

Saturday October 31, 1992, 3:00 p.m.6:20 p.m.
Special Session on SetTheoretic Topology, III
Room 156, Rike Hall

3:00 p.m.
Product spaces which are nirresolvable.
Amer Beslagic, George Mason University
Ronnie Levy*, George Mason University
(87654139) 
3:30 p.m.
Normal thintall scattered spaces.
Peter J. Nyikos*, University of South Carolina, Columbia
(87654196) 
4:00 p.m.
A locally compact thin scattered space homeomorphic to each uncountable closed subspace.
Judy Roitman*, University of Kansas
(8765467) 
4:30 p.m.
First level Baire isomorphisms and dimension.
Dmitri B. Shakhmatov*, Miami University
(87654245) 
5:00 p.m.
Informal Discussion 
5:00 p.m.
Ultrafilters and chains from omega to omega.
Saharon Shelah, Hebrew University, Israel
Juris Steprans*, York University
(87654172) 
5:30 p.m.
Totally antisymmetric function.
Krzysztof Ciesielski*, West Virginia University
(8762656)

3:00 p.m.

Saturday October 31, 1992, 3:00 p.m.6:20 p.m.
Special Session on Function Theory, IV
Room 145, Russ Engineering Center

3:00 p.m.
Sobolev mappings with integrable dilation.
Juha Heinonen*, University of Michigan, Ann Arbor
Pekka Koskela, University of Michigan, Ann Arbor
(87630214) 
3:30 p.m.
The degree of regularity of a quasiconformal mapping.
Pekka Koskela*, University of Michigan, Ann Arbor
(87630213) 
4:00 p.m.
Sobolev capacity and Poincare domains.
David A. Herron*, University of Cincinnati
Pekka Koskela, University of Jyvaskyla, Finland
(87630148) 
4:30 p.m.
Extension of boundary maps for cylindrical and slit domains.
Manouchehr Ghamsari*, University of Cincinnati
(87630146) 
5:00 p.m.
Monotonicity properties of mappings with positive Jacobian.
Juan J. Manfredi*, University of Pittsburgh
(87630215) 
5:30 p.m.
Asymptotic values and the growth of analytic functions in spiral domains.
J. E. Brennan*, University of Kentucky
(87630164) 
6:00 p.m.
The radial growth of entire functions with density conditions.
John Rossi*, Virginia Polytechnic Institute and State University
(87630124)

3:00 p.m.

Saturday October 31, 1992, 3:00 p.m.5:55 p.m.
Session on Analysis
Room 70, Rike Hall

3:00 p.m.
Multipliers of families of CauchyStieltjes transforms.
R. A. Hibschweiler*, University of New Hampshire
T. H. MacGregor, State University of New York, Albany
(8763077) 
3:15 p.m.
An algebraic description of positive, holomorphic line bundles over flat manifolds.
N. Michelacakis*, University College of London, England
(87632171) 
3:30 p.m.
On a class of abstract Volterra equations.
Sergiu Aizicovici, Ohio University, Athens
Yimin Ding*, Ohio University, Athens
(8764593) 
3:45 p.m.
Equivalence of subnormal operators.
Zhijian Qiu*, Virginia Polytechnic Institute and State University
(8764537) 
4:00 p.m.
Relative Kcycles and elliptic boundary conditions.
Guihua Gong*, University of Toronto
(8765836) 
4:15 p.m.
Nonlinear evolution equations with exponential bounding.
David Gurney*, Southeastern Louisiana University
(87647176) 
4:30 p.m.
Composition operators on analytic Lipschitz spaces.
Kevin M. Madigan*, State University of New York, Albany
(8764711) 
4:45 p.m.
C*algebras of weighted composition operators and hyperbolicity of linear extensions of dynamical systems.
Yuri Latushkin*, University of Missouri, Columbia
(87647219) 
5:00 p.m.
Nonlinear control theory.
John Jones, Jr.*, Air Force Institute of Technology
(8764960) 
5:15 p.m.
alphaNagata spaces are linearly M_1.
M. Jeanne Harris*, Fairmont State College
(87654181) 
5:30 p.m.
Symmetrizable frame quasiuniformities.
Peter Fletcher, Virginia Polytechnic Institute
Worthen Hunsaker, Southern Illinois University
William Lindgren*, Slippery Rock University of Pennsylvania
(87654183) 
5:45 p.m.
Topological complexes and finite spaces in computer sciences.
Efim Khalimsky*, Dayton, Ohio
(8765403)

3:00 p.m.