AMS Sectional Meeting Program by Day
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1992 Fall Central Section Meeting
Dayton, OH, October 30  November 1, 1992
Meeting #876
Associate secretaries:
Andy R Magid, AMS
amagid@ou.edu
Friday October 30, 1992

Friday October 30, 1992, 1:30 p.m.2:20 p.m.
Invited Address
Finite methods in infinite groups and discrete geometries.
Auditorium, Medical Sciences Building
Jonathan I. Hall*, Michigan State University
(87620180)

Friday October 30, 1992, 3:00 p.m.4:50 p.m.
Special Session on Quantum Groups and Regular Algebras, I
Room 64, Rike Hall

3:00 p.m.
Representations of quantum groups and crystal base theory.
SeokJin Kang*, North Carolina State University
(8761742)

3:30 p.m.
Verma module annihilators for quantized enveloping algebras.
Gail Letzter*, Blacksburg, Virginia
Antony Joseph, The Weizmann Institue, Israel and Universite de Paris, France
(87616136)

4:00 p.m.
A qanalog for the Virasoro algebra.
E. Kirkman*, Wake Forest University
C. Procesi, University of Rome, Italy
L. Small, University of California at San Diego, La Jolla
(87616159)

4:30 p.m.
Hopf algebra duality, injective modules and quantum groups.
William Chin, DePaul University
Ian M. Musson*, University of Wisconsin, Milwaukee
(87616110)

Friday October 30, 1992, 3:00 p.m.4:50 p.m.
Special Session on Operator Theory and Operator Algebras, I
Room 150, Russ Engineering Center

3:00 p.m.
Rectifiable diameters of the Grassmann spaces of von Neumann algebras and certain C*algebras.
Shuang Zhang*, University of Cincinnati
(87646238)

3:30 p.m.
Morita equivalence of operator algebras.
David P. Blecher*, University of California, Berkeley
Paul S. Muhly, University of Iowa
Vern Paulson, University of Houston
(8764684)

4:00 p.m.
Von Neumann's inequality for commuting, diagonalizable contractions.
B. A. Lotto*, University of California, Berkeley
T. Steger, University of Chicago
(87647129)

4:30 p.m.
Hyperinvariant subspaces of the harmonic Dirichlet space.
William T. Ross, University of Richmond
Stefan Richter*, University of Tennessee, Knoxville
Carl Sundberg, University of Tennessee, Knoxville
(8764734)

Friday October 30, 1992, 3:00 p.m.4:50 p.m.
Special Session on Combinatorics and Graph Theory, I
Room 67, Rike Hall

3:00 p.m.
Digraph polynomials.
Joe Buhler, Reed College
Fan Chung, Bellcore, Morristown, New Jersey
Ron Graham*, AT&T Bell Laboratories, Murray Hill, New Jersey
(8760539)

3:30 p.m.
Perfect Mendelsohn designs without repeated blocks.
D. Frank Hsu*, Fordham University
(87605194)

4:00 p.m.
Designs, graphs and automorphisms.
J. F. Dillon*, National Security Agency, Maryland
(87605102)

4:30 p.m.
Some resolvable regular graph designs.
D. L. Kreher, Michigan Technological University
Walter D. Wallis*, Southern Illinois University
(8760533)

Friday October 30, 1992, 3:00 p.m.4:50 p.m.
Special Session on Groups and Geometries, I
Room 68, Rike Hall

3:00 p.m.
Graphs which are locally projective spaces.
Richard M. Weiss*, Tufts University
(8762058)

3:30 p.m.
A general scheme for constructing polygons.
Ernest E. Shult*, Kansas State University
Joseph A. Thas, University of Ghent, Belgium
(87651234)

4:00 p.m.
Classifying distancetransitive graphs.
John van Bon*, Tufts University
(87620112)

4:30 p.m.
2Modular embeddings of monster geometries.
Stephen D. Smith*, University of Illinois, Chicago
(8762009)

Friday October 30, 1992, 3:00 p.m.4:50 p.m.
Special Session on Differential and Integral Equations, I
Room 146, Russ Engineering Center

3:00 p.m.
Nonnegative solutions of quasilinear elliptic boundary value problems with nonnegative coefficients.
N. P. Cac, University of Iowa
A. M. Fink, Iowa State University
Juan A. Gatica*, University of Iowa
(8763423)

3:30 p.m.
Periodic solutions for Volterra difference equations.
Saber N. Elaydi*, Trinity University
(87639161)

4:00 p.m.
Comet like periodic orbits in the Nbody problem.
Kenneth Meyer*, University of Cincinnati
(8767062)

4:30 p.m.
Integrable differential equations and convexity.
Anthony M. Bloch*, Ohio State University, Columbus
(87634135)

Friday October 30, 1992, 3:00 p.m.4:50 p.m.
Special Session on Knots and Topological Quantum Field Theory, I
Room 58, Rike Hall

3:00 p.m.
Quantum physics and categorical topology.
Louis Crane*, Yale University
(8765508)

3:30 p.m.
The generalized Casson invariant and branched covers of knots.
David T. Mullins*, New College, Univeristy of South Florida
(87657256)

4:00 p.m.
Knot complement problem in three manifolds.
Yongwu Rong*, Michigan State University
(8765712)

4:30 p.m.
Triangulations and TQFT's.
David N. Yetter*, Kansas State University
(87657114)

Friday October 30, 1992, 3:00 p.m.4:50 p.m.
Special Session on Riccatti Equations and Transport Theory, I
Room 148, Russ Engineering Center

3:00 p.m.
Abstract transmission operators, reflection operators and solutions of linear and Riccati equations.
Steven M. Shew*, Glendale Community College
(87634157)

3:30 p.m.
Integrodifferential equations for twodimensional transmission, leftturn and rightturn kernels.
Paul Nelson, Texas A\thsp\&\thsp M University, College Station
Dan L. Seth*, Morehead State University
R. Vasudevan, Institute of Mathematical Sciences, India
(87699100)

4:00 p.m.
The inverse problem of threedimensional Chandrasekar's equation.
Alan P. Wang*, Arizona State University
(87685166)

4:30 p.m.
On the scattering matrix with an angular shift.
Jonq Juang*, National Chiao Tung University, People's Republic of China
(87634247)

Friday October 30, 1992, 3:00 p.m.4:50 p.m.
Special Session on Topology of Affine Hypersurfaces and Related Number Theory, I
Room 168, Rike Hall

3:00 p.m.
Topology of affine algebraic surfaces.
Burt Totaro*, University of Chicago
(87614169)

3:30 p.m.
Smooth contractible hypersurfaces in C^n and exotic structures on C^n.
Shulim Kaliman*, University of Miami
(87614184)

4:00 p.m.
Critical points at infinity.
A. Durfee*, Mount Holyoke College
(87614248)

4:30 p.m.
Topological invariants of affine hypersurfaces.
A. Libgober*, University of Illinois, Chicago
(87614170)

Friday October 30, 1992, 3:00 p.m.4:50 p.m.
Special Session on SetTheoretic Topology, I
Room 156, Rike Hall

3:00 p.m.
On subcontinua and sub cutpoints of beta R.
A. Dow*, York University
K. P. Hart, Delft University of Technology
(87603237)

3:30 p.m.
Informal Discussion

3:30 p.m.
Not all dendroids have means.
Stephen Watson*, York University
(87654246)

4:00 p.m.
If every continuous image of X is real compact, must X be Lindelof?
William G. Fleissner*, University of Kansas
(8765468)

Friday October 30, 1992, 3:00 p.m.4:50 p.m.
Special Session on Function Theory, I
Room 145, Russ Engineering Center

3:00 p.m.
An extremal property of meromorphic functions with nfold symmetry.
Albert Baernstein, II*, Washington University
(87630145)

3:30 p.m.
A proof of Picard's theorem and Rickman's theorem by way of Harnack's inequality.
John Lewis*, University of Kentucky
(87630128)

4:00 p.m.
Absolutely continuous conjugacies of inner functions.
David H. Hamilton*, University of Maryland, College Park
(87630143)

4:30 p.m.
Holomorphic mappings onto convex sets in nspace.
Ted J. Suffridge*, University of Kentucky
(87632160)

Friday October 30, 1992, 3:00 p.m.4:25 p.m.
Session on Graph Theory, I
Room 70, Rike Hall

3:00 p.m.
Destroying the automorphisms of a graph by orientations.
Frank Harary*, New Mexico State University
(87605236)

3:15 p.m.
Hdecomposition numbers of graphs.
Brian A. Keller, Western Michigan University
Robert C. Vandell*, Western Michigan University
Steven J. Winters, Western Michigan University
(87605179)

3:30 p.m.
On signed degrees in signed graphs.
Frank Harary, New Mexico State University
Gary Chartrand, Western Michigan University
Heather Jordan Gavlas, Western Michigan University
Michelle Schultz*, Western Michigan University
(87605178)

3:45 p.m.
Directed distance in digraphs: Centers and medians.
Gary Chartrand, Western Michigan University
Garry L. Johns, Saginaw Valley State University
Songlin Tian, Central Missouri State University
Steven J. Winters*, Western Michigan University
(87605177)

4:00 p.m.
Two results in the study of harmonious colorings.
David Moser*, Indiana UniversityPurdue University, Ft.\ Wayne
(87605162)

4:15 p.m.
A 4chromatic unitdistance graph with no triangles.
Kiran B. Chilakamarri*, Central State University
(87605142)

Friday October 30, 1992, 5:00 p.m.5:50 p.m.
Invited Address
Noncommutative graded algebras and projective geometry.
Auditorium, Medical Sciences Building
J. T. Stafford*, University of Michigan, Ann Arbor
(87616125)

Friday October 30, 1992, 7:00 p.m.9:20 p.m.
Special Session on Operator Theory and Operator Algebras, II
Room 144, Russ Engineering Center

7:00 p.m.
Quasitriangular algebras in semifinite von Neumann algebras and related topics.
Victor Kaftal*, University of Cincinnati
Gary Weiss, University of Cincinnati
(8764681)

7:30 p.m.
Binary shifts on the hyperfinite II_1 factor.
Geoffrey Price*, United States Naval Academy
(8764627)

8:00 p.m.
Continuous semigroups of endomorphisms of B(H).
Robert T. Powers*, University of Pennsylvania
(87646156)

8:30 p.m.
Extensions of operators and covariant operator systems.
Palle E. T. Jorgensen*, University of Iowa
(8764701)

9:00 p.m.
Berezin symbol and the multipliers of the functional Hilbert spaces.
Semra Kilic*, University of New Hampshire
(87647130)

Friday October 30, 1992, 7:00 p.m.9:50 p.m.
Special Session on Combinatorics and Graph Theory, II
Room 67, Rike Hall

7:00 p.m.
Symmetrizable commutative fission schemes.
Sung Y. Song*, Iowa State University
(8760590)

7:30 p.m.
U(n) very wellpoised 10 phi 9 transformations.
Stephen C. Milne, Ohio State University, Columbus
John W. Newcomb*, Ohio State University, Columbus
(8763388)

8:00 p.m.
Nonterminating qwhipple transformations for basic hypergeometric series in U(n).
Stephen C. Milne*, Ohio State University, Columbus
John W. Newcomb, Ohio State University, Columbus
(8763389)

8:30 p.m.
Hamilton paths in Cayley digraphs.
Stephen J. Curran*, University of Pittsburgh, Johnstown
(8760524)

9:00 p.m.
Signs in the Laplace and multiLaplace expansions of determinants.
Lin Tan*, West Chester University of Pennsylvania
(8760587)

9:30 p.m.
Rectractable points and the fixed point property.
Bernd S. W. Schroeder*, Kansas State University
(8760605)

Friday October 30, 1992, 7:00 p.m.9:50 p.m.
Special Session on Knots and Topological Quantum Field Theory, II
Room 58, Rike Hall

7:00 p.m.
A counterexample to the KirbyMelvin and ReshetikhinTuraev formulations of the Witten invariant.
Francis D. Lonergan*, Webster, Massachusetts
(8765521)

7:30 p.m.
Minimal energy electrostatic knots.
Sam Lomonaco*, University of Maryland, Baltimore County
(87678212)

8:00 p.m.
A method of computing Arf invariants.
Patrick M. Gilmer*, Louisiana State University, Baton Rouge
(87657113)

8:30 p.m.
Topological invariants and integration.
Dan Freed*, University of Texas, Austin
(87657276)

Friday October 30, 1992, 7:00 p.m.9:50 p.m.
Special Session on Riccati Equations and Transport Theory, II
Room 148, Russ Engineering Center

7:00 p.m.
Informal Discussion

7:00 p.m.
Enskog theory for dense gases with intermolecular potentials.
William Greenberg*, Virginia Polytechnic Institute and State University
Lei Peng, Virginia Polytechnic Institute and State University
Liu Rong, Virginia Polytechnic Institute and State University
(87682243)

7:30 p.m.
Transient radiative transport via Green functions.
Kevin L. Kreider*, University of Akron
(87682140)

8:30 p.m.
Informal Discussion

8:30 p.m.
The linearized Vlasov equation. I.
R. Glassey*, Indiana University, Bloomington
J. Schaeffer, Carnegie Mellon University
(8763599)

9:00 p.m.
The linearized Vlasov equation. II
R. Glassey, Indiana University, Bloomington
J. Schaeffer*, Carnegie Mellon University
(87635252)

Friday October 30, 1992, 7:00 p.m.8:20 p.m.
Special Session on Topology of Affine Hypersurfaces and Related Number Theory, II
Room 168, Rike Hall

7:00 p.m.
Essential surjectivity of the (classical) crystalline Dieudonne functor.
William Messing*, University of Minnesota, Minneapolis
(87614202)

7:30 p.m.
Arithmetic geometry and abelian varieties.
P. Norman*, University of Massachusetts, Amherst
(87614261)

8:00 p.m.
Complement of a hypersurface and number theory.
M. Tretkoff*, Stevens Institute of Technology
(87614265)

Friday October 30, 1992, 7:00 p.m.8:50 p.m.
Special Session on Function Theory, II
Room 145, Russ Engineering Center

7:00 p.m.
On a result of Beurling.
James A. Jenkins*, Washington University
(87630137)

7:30 p.m.
Robin capacity and extremal length.
Peter Duren*, University of Michigan, Ann Arbor
John Pfaltzgraff, University of North Carolina, Chapel Hill
(87630165)

8:00 p.m.
Distance to the boundary under univalent functions.
Roger W. Barnard, Texas Tech University
Carl H. FitzGerald*, University of California at San Diego, La Jolla
(87630201)

8:30 p.m.
On a fixed area problem.
Yuk Leung*, University of Delaware
(87630195)
Inquiries: meet@ams.org