
AMS Sectional Meeting Program by Day
Current as of Tuesday, April 12, 2005 15:08:49
Program 
Deadlines 
Inquiries: meet@ams.org
1991 Central Section Meeting
South Bend, IN, March 1516, 1991
Meeting #864
Associate secretaries: Andy R Magid, AMS amagid@ou.edu
Friday March 15, 1991

Friday March 15, 1991, 8:00 a.m.9:50 a.m.
Special Session on Mathematical Economics and Dynamical Systems, I
Room 01, Northside Hall

8:00 a.m.
New methods for the analysis of broad band time series.
Robert Savit*, University of Michigan, Ann Arbor
(86490134)

8:30 a.m.
Learning while playing via classifier systems.
Carl P. Simon*, University of Michigan, Ann Arbor
(86490143)

9:00 a.m.
Comparative statics of dynamic programming.
Mark Feldman, University of Illinois, UrbanaChampaign
Andrew McLennan*, University of Minnesota, Minneapolis
(86490142)

9:30 a.m.
Privacy preserving mechanisms.
Kenneth R. Mount*, Northwestern University
(86490147)

Friday March 15, 1991, 8:00 a.m.9:50 a.m.
Special Session on Geometric Topology, I
Room 06, Northside Hall

8:00 a.m.
Coverings of singular spaces.
Mathew Timm*, Bradley University
(8645770)

8:30 a.m.
Psuedofree orbifolds of low rank.
Dariusz M. Wilczynski*, University of Notre Dame
(86457108)

9:00 a.m.
Intersection homology and topological quantum field theory.
Charles Frohman*, University of Iowa
A. Nicas, McMaster University
(8645785)

9:30 a.m.
On exotic smoothings of 4manifolds.
\v Zarko Bi\v zaca*, University of Notre Dame
(8645788)

Friday March 15, 1991, 8:00 a.m.9:50 a.m.
Special Session on Noncommutative Ring Theory, I
Room 05, Northside Hall

8:00 a.m.
Dubrovin valuation rings in crossed product algebras.
Darrell Haile*, Indiana University, Bloomington
Patrick Morandi, New Mexico State University, Las Cruces
(86416112)

8:30 a.m.
Valuations on group rings in nonzero characteristic.
Alexander Lichtman*, University of Wisconsin, Parkside
(86416118)

9:00 a.m.
Remarks on graded and filtered algebras.
E. Behr*, Illinois State University
(86416117)

9:30 a.m.
Noncommutative algebraic geometry and representations.
Alexander L. Rosenberg*, Harvard University
(86413119)

Friday March 15, 1991, 8:00 a.m.9:50 a.m.
Special Session on Hilbert Spaces of Analytic Functions, I
Room 107, Northside Hall

8:00 a.m.
Interpolation by multipliers of the Dirichlet space.
Sheldon Axler*, Michigan State University
(8644656)

8:30 a.m.
The nwidth of the unit ball of H^2(CAP OMEGA).
Stephen D. Fisher*, Northwestern University
(8643033)

9:00 a.m.
Proper holomorphic mappings and the CowenDouglas class.
Norberto Salinas*, University of Kansas
(8644741)

9:30 a.m.
Multiplication operators on functional Hilbert spaces in several variables.
Raul E. Curto*, University of Iowa
(8644760)

Friday March 15, 1991, 8:00 a.m.9:50 a.m.
Special Session on Probability and Prediction Theory, I
Room 013, Northside Hall

8:00 a.m.
On mixing conditions and Markov representation.
Richard C. Bradley*, Indiana University, Bloomington
(8646008)

8:30 a.m.
Necessary and sufficient conditions for a secondorder WienerIto integral process to be mixing.
Daniel W. Chambers*, Boston College
(8646036)

9:00 a.m.
Limit theorems for nonlinear functions of a stationary vectorvalued Gaussian process.
TaeIl Jeon, Wayne State University
TzeChien Sun*, Wayne State University
(8646062)

9:30 a.m.
Prediction for I.D. processes: Some recent developments.
Balram S. Rajput*, University of Tennessee, Knoxville
(8646018)

Friday March 15, 1991, 10:00 a.m.10:50 a.m.
Invited Address
Infinitedimensional skew fields.
Room 113, Northside Hall
Leonid G. MakarLimanov*, Wayne State University
(86416144)

Friday March 15, 1991, 12:30 p.m.1:20 p.m.
Invited Address
Simplicial complexes associated to finite groups and their representations.
Room 113, Northside Hall
Stephen D. Smith*, University of Illinois, Chicago and California Institute of Technology
(86420145)

Friday March 15, 1991, 2:00 p.m.5:20 p.m.
Special Session on Mathematical Economics and Dynamical Systems, II
Room 01, Northside Hall

2:00 p.m.
A gametheoretic characterization of competitive economies.
Myrna H. Wooders*, University of Toronto
(8649023)

2:30 p.m.
On the mathematical structure of large games with imperfect information.
M. Ali Khan*, Johns Hopkins University, Baltimore
(8649048)

3:00 p.m.
A characterization of random matching schemes.
Richard Boylan*, Washington University
(8649025)

3:30 p.m.
Recursive utility: Discrete time theory.
R. A. Becker*, Indiana University, Bloomington
J. H. Boyd, III, University of Rochester
(8649047)

4:00 p.m.
Intermediation, bubbles, and Pareto efficiency in economies with production.
Mark Pingle, University of Nevada
Leigh Tesfatsion*, Iowa State University
(8649079)

4:30 p.m.
Projection and aggregation paradoxes in statistical rankings.
Deanna B. Haunsperger*, Northwestern University and University of Delaware
(8649022)

5:00 p.m.
Some aspects of information sigmafields in general equilibrium theory.
Beth Allen*, University of Pennsylvania
(8649002)

Friday March 15, 1991, 2:00 p.m.3:50 p.m.
Special Session on Simplicial Complexes Associated to Finite Groups and their Representations, I
Room 106, Northside Hall

2:00 p.m.
The local determination of Mackey functors.
Peter J. Webb*, University of Minnesota, Minneapolis
(86420128)

2:30 p.m.
Complexes in block theory.
Geoffrey Robinson*, University of Florida
(8642096)

3:00 p.m.
On the topology of conjugacy classes.
J. L. Alperin*, University of Chicago
(8642032)

3:30 p.m.
Permutation complexes and homology representations.
Amir H. Assadi*, University of Wisconsin, Madison
(8645795)

Friday March 15, 1991, 2:00 p.m.3:20 p.m.
Special Session on Model Theory, I
Room 09, Northside Hall

2:00 p.m.
Definability over definable sets.
David W. Kueker, University of Maryland, College Park
Philip W. Steitz*, Beloit College
(86403106)

2:30 p.m.
Projective planes associated with algebraically closed fields.
Kitty L. Holland*, University of Illinois, Chicago
(8640383)

3:00 p.m.
Uncountable weakly minimal theories.
Philipp Rothmaler*, Univeristy of Kiel, Federal Republic of Germany
(86403111)

Friday March 15, 1991, 2:00 p.m.4:20 p.m.
Special Session on Geometric Topology, II
Room 06, Northside Hall

2:00 p.m.
Groups with infinite virtual cohomological dimension which act freely on R^m x S^n1.
Stratos Prassidis*, McMaster University
(86457109)

2:30 p.m.
Asymptotic aspects of group actions.
Christopher W. Stark*, University of Florida
(86457133)

3:00 p.m.
Nil groups in Ktheory and surgery.
Frank X. Connolly, University of Notre Dame
Tadeusz Ko\'zniewski*, University of Notre Dame
(86457135)

3:30 p.m.
Counting simplehomotopy types.
Steven C. Ferry*, State University of New York, Binghamton
(86457139)

4:00 p.m.
Informal Discussion

Friday March 15, 1991, 2:00 p.m.4:20 p.m.
Special Session on Algebraic Topology, I
Room 08, Northside Hall

2:00 p.m.
Divisibility properties of the integral cohomology ring of BSpin(n).
Jay A. Wood*, Purdue University, Calumet Campus
(8645510)

2:30 p.m.
On the homotopy theory of structured ring spectra.
Thomas Hunter*, University of Kentucky
(8645530)

3:00 p.m.
The Adams spectral sequence for the homotopy of spheres.
Robert R. Bruner*, Wayne State University
(8645571)

3:30 p.m.
Constructing homology theories from group theory.
K. Lesh*, Brandeis University
(8645515)

4:00 p.m.
The bar construction for spectra.
Anthony D. Elmendorf*, Indiana University, South Bend
(8645519)

Friday March 15, 1991, 2:00 p.m.3:50 p.m.
Special Session on Noncommutative Ring Theory, II
Room 05, Northside Hall

2:00 p.m.
Monomorphisms of the Weyl algebra.
Carolyn Dean*, University of Michigan, Ann Arbor
Jeanne Wald Kerr, Michigan State University
(86416114)

2:30 p.m.
Commutativity techniques in the Weyl algebra.
Jeanne Wald Kerr*, Michigan State University
Carolyn Dean, University of Michigan, Ann Arbor
(86416113)

3:00 p.m.
Mappings on skew polynomial rings.
Jerry D. Rosen*, California State University, Northridge
Mary P. Rosen, California State University, Northridge
(86416102)

3:30 p.m.
A criterion for a module to be injective and some applications.
Ian M. Musson*, University of Wisconsin, Milwaukee
(86416104)

Friday March 15, 1991, 2:00 p.m.4:20 p.m.
Special Session on Hilbert Spaces of Analytic Functions, II
Room 107, Northside Hall

2:00 p.m.
Commutants of subnormal operators.
W. R. Wogen*, University of North Carolina, Chapel Hill
(8644709)

2:30 p.m.
The factorization of functions in the polydisc.
Hari Bercovici, Indiana University, Bloomington
Derek Westwood*, Wright State University
(8643261)

3:00 p.m.
Julia operators and complementation in Krein spaces.
Michael A. Dritschel*, Purdue University, West Lafayette
James Rovnyak, University of Virginia
(8644782)

3:30 p.m.
Toeplitz operators on weighted Hardy spaces.
B. Mark Davis, University of California, Berkeley
John E. McCarthy*, Indiana University, Bloomington
(8644637)

4:00 p.m.
NevanlinnaPick interpolation on multiply connected domains.
Joseph A. Ball*, Virginia Polytechnic Institute and State University
Kevin F. Clancey, University of Georgia
(8643027)

Friday March 15, 1991, 2:00 p.m.5:20 p.m.
Special Session on Probability and Prediction Theory, II
Room 013, Northside Hall

2:00 p.m.
Deconvolutions and the commutant lifting theorem.
Ciprian Foias*, Indiana University, Bloomington
(86447100)

2:30 p.m.
Infinite dimensional stationary sequences with multipicity one.
A. Makagon, Michigan State University
H. Salehi*, Michigan State University
(8646053)

3:00 p.m.
Continuous time periodically correlated processes: Spectrum and prediction.
A. Makagon*, Technical University of Wroclaw, Poland and Michigan State University
A. G. Miamee, Hampton University
H. Salehi, Michigan State University
(8646072)

3:30 p.m.
Correlation autoregressive processes.
A. G. Miamee*, Hampton University
(8646073)

4:00 p.m.
J. von Neumann alternating projections and interpolation of stationary processes.
Mohsen Pourahmadi*, Northern Illinois University
(86460101)

4:30 p.m.
Informal Discussion

5:00 p.m.
Unrestrained relative entropy.
P. R. Masani*, University of Pittsburgh, Pittsburgh
(8646099)

Friday March 15, 1991, 2:00 p.m.4:10 p.m.
Session on Foundations, Combinatorics, and Algebra
Room 105, Northside Hall

2:00 p.m.
The relative strength of two union theorems without AC.
Paul Howard*, Eastern Michigan University
(86403127)

2:15 p.m.
twise balanced design.
D. K. RayChaudhuri, Ohio State University, Columbus
Tianbao Zhu*, Ohio State University, Columbus
(8640503)

2:30 p.m.
Dependence systems.
Marcin Schroeder*, Southern Illinois University, Carbondale
(86406141)

2:45 p.m.
Filets in autometrized algebras.
Mary Hansen*, Indiana University, Kokomo
(8640697)

3:00 p.m.
Rings whose cyclics have finite Goldie dimension.
A. H. AlHuzali, Ohio University, Athens
S. K. Jain, Ohio University, Athens
S. R. LopezPermouth*, Ohio University, Athens
(8641692)

3:15 p.m.
Constructing injective hulls for sums of injectives.
A. H. AlHuzali*, Ohio University, Athens
S. K. Jain, Ohio University, Athens
S. R. LopezPermouth, Ohio University, Athens
(8641664)

3:30 p.m.
On nearness algebras.
Vijaya Gompa*, Ball State University
(86418126)

3:45 p.m.
Cayley algebras and the isomorphisms of orthogonal groups in characteristic two.
Mary T. Treanor*, Valparaiso University
(86420130)

4:00 p.m.
On the near Frattini subgroups of ordinary free products of groups.
Mohammad K. Azarian*, University of Evansville
(8642042)
Inquiries: meet@ams.org

