AMS Sectional Meeting Full Program
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1997 Spring Central Sectional Meeting
Detroit, MI, May 24, 1997
Meeting #922
Associate secretaries:
Susan J Friedlander, AMS
susan@math.northwestern.edu
Friday May 2, 1997

Friday May 2, 1997, 11:00 a.m.4:00 p.m.
Registration
Lobby Area, State Hall Building

Friday May 2, 1997, 11:00 a.m.4:00 a.m.
Exhibit and Book Sale
Lobby Area, State Hall Building

Friday May 2, 1997, 1:30 p.m.2:20 p.m.
Invited Address
The football player and the infinite series
Auditorium, Upper Deroy Building
Harold P. Boas*, Texas A&M University
(9223026)

Friday May 2, 1997, 3:00 p.m.6:20 p.m.
Special Session on Partial Differential Equations: Theories, Applications and Numerical Approaches, I
Room 114, State Hall Building
Organizers:
Jennifer Zhao, University of MichiganDearborn xich@umdsun2.umd.umich.edu
Frank J. Massey, III, University of MichiganDearborn fmassey@umf1.umd.umich.edu
Daoqi Yang, Wayne State University yang@math.wayne.edu

3:00 p.m.
A second order integrodifferential equation in whole space
J. L. Menaldi*, Wayne State University
(92235167)

3:30 p.m.
Nonlinear vibration and stabilization of elastic panel
P. L. Chow*, Wayne State University
(92235171)

4:00 p.m.
Approximation of the Solution of the DarbouxIonescu Problem
Viorica Mure\c san*, Technical University of ClujNapoca, Romania
(92235153)

4:30 p.m.
On the connections between the Wasserstein metric and diffusions
Richard K Jordan*, University of Michigan
(9223532)

5:00 p.m.
A Maximum Principle for Hyperbolic Systems
Anton S. Mure\c san*, Babe\c sBolyai University ClujNapoca, Romania
(92235152)

5:30 p.m.
Polynomial expansions of solutions of a class of Cauchy problems that involve one space variable
Louis R. Bragg*, Oakland University
(9223505)

6:00 p.m.
A comparison principle for quasilinear elliptic equations and its application
Zhiren Jin*, Wichita State University
Kirk Lancaster, Wichita State University
(92235108)

Friday May 2, 1997, 3:00 p.m.5:20 p.m.
Special Session on Representation Theory of Finite Groups and Related Topics, I
Room 129, State Hall Building
Organizers:
David Howard Gluck, Wayne State University dgluck@math.wayne.edu

3:00 p.m.
Homogeneous Integral Table Algebras
Harvey I. Blau*, Northern Illinois University
Bangteng Xu, Northern Illinois University
(92220107)

3:30 p.m.
Some remarks on blocks of Special Linear Groups
Harvey I. Blau, Northern Illinois University
Harald E. Ellers*, Northern Illinois University
(92220223)

4:00 p.m.
A decomposition theorem for $K$theory of a group algebra
Sarah J. Witherspoon*, University of Toronto and University of California, Berkeley
(92220144)

4:30 p.m.
Quillen Stratification for the Stable Module Category
Wayne W. Wheeler*, University of Georgia
(9222068)

5:00 p.m.
Hochschild cohomology is {\it really} Representation Theory.
Stephen F. Siegel*, University of Massachusetts, Amherst
Sarah J. Witherspoon, University of California, Berkeley
(92220250)

Friday May 2, 1997, 3:00 p.m.5:50 p.m.
Special Session on Differential Geometry and Its Applications, I
Room 123, State Hall Building
Organizers:
Daniel S. Drucker, Wayne State University drucker@math.wayne.edu
ChorngShi Houh, Wayne State University houh@math.wayne.edu

3:00 p.m.
Rigidity of Actions of Abelian and Semisimple groups
Ralf J Spatzier*, Univ of Michigan
(92253110)

3:30 p.m.
Compactifications of Hermitian locally symmetric spaces and aconjecture of HarrisZucker
Lizhen Ji*, University of Michigan
(9225330)

4:00 p.m.
Hermitian conformal classes and almost K\"ahler structures on 4manifolds
Vestislav Apostolov, Institute of Mathematics, Bulgarian Academy of Science
Tedi Draghici*, Michigan State University
(9225394)

4:30 p.m.
Twistor spaces for homogeneous spaces and applications to harmonic maps
J. A. Jim\'{e}nez*, Penn State Hazleton
(92253129)

5:00 p.m.
Length spectrum of circles in a complex projective space
Sadahiro Maeda*, Shimane University, Japan
Toshiaki Adachi, Nagoya Institute of Technology, Japan
(9225315)

5:30 p.m.
The space of harmonic twospheres in a unitary group or complex Grassmannian
Martin A Guest*, University of Rochester
(9225322)

Friday May 2, 1997, 3:00 p.m.5:20 p.m.
Special Session on Algebraic Topology, I
Room 125, State Hall Building
Organizers:
Robert R. Bruner, Wayne State University rrb@math.wayne.edu
David Handel, Wayne State University handel@math.wayne.edu

3:00 p.m.
Exponential relations in the Steenrod algebra for $BP$ cohomology
Michael D Slack*, Western Michigan University
(9225547)

3:30 p.m.
The Real BrownPeterson spectrum and the $Z/2$equivariant Steenrod algebra.
Igor Kriz*, University of Michigan at Ann Arbor
(92255253)

4:00 p.m.
Complex Oriented Equivariant Cohomology Theories and their Formal Group Laws
Michael Cole*, University of Michigan at Ann Arbor
(92255252)

4:30 p.m.
Phantom maps out of iterated loop spaces
Frederic R. Cohen,
H\`{a} Minh Le*, Wayne State University
Charles A. McGibbon, Wayne State University
(9225549)

5:00 p.m.
On $G$sequences and Fiber spaces
Moo Ha Woo*, Korea University, Seoul, Korea
(92255258)

Friday May 2, 1997, 3:00 p.m.5:50 p.m.
Special Session on Groups and Geometries, I
Room 131, State Hall Building
Organizers:
Daniel E. Frohardt, Wayne State University danf@math.wayne.edu
Robert L. Griess, Jr., University of Michigan rlg@math.lsa.umich.edu
Kay Magaard, Wayne State University kaym@math.wayne.edu

3:00 p.m.
Applications of group geometries to group cohomology
Stephen D. Smith*, University of Illinois at Chica
(9222090)

3:30 p.m.
Extensions of KacMoody Twin Buildings using Quasireal roots.
Curtis D. Bennett*, Bowling Green State University
(92220118)

4:00 p.m.
The Quillen Complex of $Sp_{2n}(q)$
Kaustuv M Das*, Eastern Illinois University
(9222034)

4:30 p.m.
Geometry and Cohomology of certain 2groups
Alejandro Adem*, University of WisconsinMadison
(92220277)

5:00 p.m.
Actions of $SL(2,7)$ and $PSL(2,7)$ Subgroups of the Complex Lie Group of Type $E_8$ on $2^k$torsion Subgroups of a Maximal Torus
Michael J Kantor*, Knox College
(92220244)

5:30 p.m.
CameronLiebler classes of lines in $PG(3,q)^\ast$
Aiden Bruen*, University of Western Ontario
Keldon Drudge, University of Western Ontario
(92215281)

Friday May 2, 1997, 3:00 p.m.4:50 p.m.
Special Session on Recent Advances in Noncommutative Ring Theory, I
Room 127, State Hall Building
Organizers:
Peter Malcolmson, Wayne State University petem@math.wayne.edu
Frank Okoh, Wayne State University okoh@math.wayne.edu

3:00 p.m.
Lie Modules with Bounded Multiplicities
Daniel J. Britten, University of Windsor
Frank W. Lemire*, University of Windsor
(9221745)

3:00 p.m.
Cofinite Lie Algebras
Richard E. Phillips, Michigan State University
Jeanne Wald*, Michigan State University
(9221786)

4:00 p.m.
Ideals in Tensor Powers of the Enveloping Algebra $U(sl_2)$.
Stefan Catoiu*, University of WisconsinMadison
(9221620)

4:30 p.m.
Finite group actions on affine semigroup algebras
Martin W. Lorenz*, Temple University, Philadelphia, PA 191226094
(9221697)

Friday May 2, 1997, 3:00 p.m.5:40 p.m.
Special Session on Stochastic Processes in Finance and Control, I
Room 115, State Hall Building
Organizers:
Raoul LePage, Michigan State University rdl@entropy.stt.msu.edu
Bert M. Schreiber, Wayne State University berts@math.wayne.edu

3:00 p.m.
Bidask Spread and Incomplete Markets
Per A. Mykland*, The University of Chicago
(9226081)

3:30 p.m.
Hedging Options with Transaction Costs
Shlomo Levental*, Michigan State University, East Lansing
(92260178)

4:00 p.m.
Parameter Estimation for some Financial Market Models
Andrius Jankunas*, Wayne State University
(92260119)

4:30 p.m.
Continuous Time Analogue of the Multiplicative Update Algorithm and OnLine Portfolio Selection
Alexander White*, Michigan State University, East Lansing
(92260216)

5:00 p.m.
Some Risk Sensitive Control Models in Finance
Wendell H. Fleming*, Brown University
(92260174)

Friday May 2, 1997, 3:00 p.m.5:50 p.m.
Special Session on C*Algebras, I
Room 116, State Hall Building
Organizers:
Jerry Kaminker, Indiana UniversityPurdue University at Indianapolis kaminker@math.iupui.edu
Claude L. Schochet, Wayne State University claude@math.wayne.edu

3:00 p.m.
On a certain class of simple $C^*$algebras
Xinhui Jiang*, The Fields Institute
(9224676)

3:30 p.m.
Finite group actions on AF algebras
Marius D. Dadarlat*, Purdue University, West Lafayette
(92246127)

4:00 p.m.
The Natural Topology on the Kasparov Groups
Claude L. Schochet*, Wayne State University
(92246212)

4:30 p.m.
KTheory of certain simple C*algebras
Shuang Zhang*, University of Cincinnati
(92246236)

5:00 p.m.
Commutators of free random variables
Alexandru M. Nica*, University of Michigan, Ann Arbor
Roland Speicher, Universitat Heidelberg, Germany
(92247242)

5:30 p.m.
Hilbert C*modules : A Useful Tool
Szekai Jack Tsui*, Oakland University
(9224674)

Friday May 2, 1997, 3:00 p.m.5:50 p.m.
Special Session on VOA's Monstrous Moonshine and Related Topics, I
Room 135, State Hall Building
Organizers:
Robert L. Griess, Jr., University of Michigan rlg@math.lsa.umich.edu
Chongying Dong, University of California Santa Cruz dong@cats.ucsc.edu

3:00 p.m.
Quantum analogs of generalized Verma modules
Viatcheslav M. Futorny, Kiev University, Kiev, Ukraine
Duncan J Melville*, St. Lawrence University
(92217231)

3:30 p.m.
Automorphisms of genus 2 curves and Kummer surfaces
Charles B. Thomas*, University of Cambridge, United Kingdom
(92220239)

4:00 p.m.
Replicable functions and the Monster
Simon P Norton*, Cambridge, England
(92230112)

4:30 p.m.
Higher Genus Modular Equations
Chris Cummins*,
(92211161)

5:00 p.m.
A vectorvalued function generalizing the elliptic modular function $j(z)$
Mihai Cipu, Centre Interuniversitaire en Calcul Math\'ematique Alg\'ebrique
John McKay*, Centre Interuniversitaire en Calcul Math\'ematique Alg\'ebrique
(92211255)

5:30 p.m.
Mirror Pairs of Finite Groups.
Geoffrey Mason*, University of California, Santa Cruz
(92220271)

Friday May 2, 1997, 3:00 p.m.5:50 p.m.
Special Session on Algebraic Combinatorics, I
Room 137, State Hall Building
Organizers:
Devadatta M. Kulkarni, Oakland University kulkarni@oakland.edu

3:00 p.m.
Combinatorics of paraunitary groups
Hyungju Alan Park*, Oakland University
(92205265)

3:30 p.m.
Multivariable Lagrange inversion, Gessel Viennot cancellation and the Matrix Tree Theorem
Ian P. Goulden*, University of Waterloo
Datta M. Kulkarni, Oakland University
(92205241)

4:00 p.m.
Distribution invariants of association schemes
Nachimuthu Manickam*, DePauw University
(9220570)

4:30 p.m.
The Tutte dichromate and Whitney homology of matroids
David G. Wagner*, University of Waterloo
(9220510)

5:00 p.m.
Strongly regular graphs and alternating spaces.
Chris D. Godsil*, University of Waterloo
(92205139)

5:30 p.m.
Symplectic Matroids
Alexandre V. Borovik, UMIST, United Kingdom
Israel M. Gelfand, Rutgers University, New Brunswick
Neil L. White*, University of Florida, Gainesville
(92205130)

Friday May 2, 1997, 3:00 p.m.5:50 p.m.
Special Session on Optimization and Variational Analysis, I
Room 117, State Hall Building
Organizers:
Boris S. Mordukhovich, Wayne State University boris@math.wayne.edu
Jay S. Treiman, Western Michigan University treiman@mathstat.wmich.edu
Qiji Zhu, Western Michigan University zhu@mathstat.wmich.edu

3:00 p.m.
Partially Smooth Variational Analysis
Jonathan M Borwein*, Simon Fraser University
(9224937)

3:30 p.m.
Convex spectral functions of compact operators
J. M. Borwein, CECM, Simon Fraser University
Adrian S. Lewis*, University of Waterloo
J. Read, CECM, Simon Fraser University
(92249141)

4:00 p.m.
More on limiting Frechet $\epsilon$subdifferentials
Michel Thera*, Universit\'e de Limoges, France
(9224936)

4:30 p.m.
Sufficient conditions for weakminima of order two and directional derivatives of the value function
Doug E. Ward*, Miami University
(9229017)

5:00 p.m.
Limits of Partial Viscosity Subderivatives
Jay S. Treiman*, Western Michigan University
(92249143)

5:30 p.m.
Some Applications of Partially Smooth Variational Principles
Qiji Jim Zhu*, Western Michigan University
(9224953)

Friday May 2, 1997, 3:00 p.m.5:20 p.m.
Special Session on Wavelets and Applications, I
Room 111, State Hall Building
Organizers:
Gregory F. Bachelis, Wayne State University greg@math.wayne.edu
Grant Gerhart, Tardec, Tacom, Army gerhartg@cc.tacom.army.mil
TzeChien Sun, Wayne State University tsun@cms.wayne.edu

3:00 p.m.
Positive density estimation with wavelets
Gilbert G. Walter*, University of WisconsinMilwaukee
Xiaoping Shen, University of WisconsinMilwaukee
(9224291)

3:30 p.m.
Hardy spaces and a Walsh model for the Bilinear Hilbert Transform
John E. Gilbert*, The University of Texas at Austin
(92242268)

4:00 p.m.
Wavelet Packet Models of EventRelated Potentials
Jonathan A. Raz*, University of Michigan, Ann Arbor
(9226246)

4:30 p.m.
Wavelet Analysis and Acoustic Classification
Robert E. Karlsen*, US Army  TACOM
David Gorsich, US Army  TACOM
Grant R. Gerhart, US Army  TACOM
Thomas J. Meitzler, US Army  TACOM
(92262211)

5:00 p.m.
Multiresolution based Optical Flow Calculation
David J Gorsich*, U.S. Army
Robert Karlsen, U.S. Army
Grant Gerhart, U.S. Army
(92268218)

Friday May 2, 1997, 3:30 p.m.5:50 p.m.
Special Session on Analysis and Geometry, I
Room 113, State Hall Building
Organizers:
Carlos E. Kenig, University of Chicago cek@math.uchicago.edu
Tatiana Toro, University of Washington toro@math.washington.edu

3:30 p.m.
On geometric branched covers
Juha Heinonen*, University of Michigan, Ann Arbor
(92235274)

4:00 p.m.
Dirichlet to Neumann Maps and Conformal Deformations
Ziqi Sun*, Wichita State University
(92235137)

4:30 p.m.
Informal Discussion

5:00 p.m.
Harmonic function theory on manifolds
William P. Minicozzi, II*, Johns Hopkins University
Tobias H. Colding, Courant Institute, New York University
(92258246)

5:30 p.m.
Harmonic Map Flows Between Certain Singular Spaces
Changyou Wang*, University of Chicago
(92258251)
Saturday May 3, 1997