AMS Sectional Meeting Full Program
Current as of Tuesday, April 12, 2005 15:08:36
1989 AMS Central Section Meeting
Muncie, IN, October 2728, 1989
Meeting #852
Associate secretaries: Andy R Magid, AMS amagid@ou.edu
Friday October 27, 1989

Friday October 27, 1989, 7:00 a.m.9:50 a.m.
AMS Special Session on Differential Equations, I
Room 308 A \& B, Pittenger Student Center

7:00 a.m.
Global dynamics of nonlinear evolution equations.
Yuncheng You*, University of Minnesota, Minneapolis
(85235116) 
7:30 a.m.
An optimization problem in electromagnetic wave propagation.
Robert Ochs*, University of Toledo
(85278132) 
8:00 a.m.
A three dimensional inverse scattering problem in acoustics.
Robert T. Smith*, Millersville University of Pennsylvania
(8523571) 
8:30 a.m.
Boundary conditions for a onedimensional problem in viscoelasticity.
R. J. Weinacht, University of Delaware
B. F. Esham, Jr.*, State University of New York, College at Geneseo
(85235143) 
9:00 a.m.
Global existence of smooth shearing motions of KBKZ fluids.
Deborah Brandon*, Virginia Polytechnic Institute and State University
(8527626) 
9:30 a.m.
Effects of spatial arrangement of heterogeneous environments in population dynamics.
Robert Stephen Cantrell*, University of Miami
Chris Cosner, University of Miami
(8529262)

7:00 a.m.

Friday October 27, 1989, 8:00 a.m.10:20 a.m.
AMS Special Session on Number Theory and Algebraic Geometry, I
Room 301, Pittenger Student Center

8:00 a.m.
Asymptotics of a lattice point problem and Dmodules.
Ben Lichtin*, University of Rochester
(85211119) 
8:30 a.m.
On a functional equation of Igusa's local zeta function.
Diane Meuser*, Boston University
(85214146) 
9:00 a.m.
An algebraic identity arising in the computation of an Igusa local zeta function.
Margaret Robinson*, Mount Holyoke College
(85211118) 
9:30 a.m.
Shintani zeta functions for GL(2).
Akihiko Yukie*, Oklahoma State University and Institute for Advanced Study
(85212134) 
10:00 a.m.
The classification of spinors under GSpin(14) over finite fields and its application.
Xiaowei Zhu*, University of Oklahoma
(8521174)

8:00 a.m.

Friday October 27, 1989, 8:00 a.m.9:50 a.m.
AMS Special Session on Noncommutative Algebra in Geometry and Arithmetic, I
Pine Shelf Room, Pittenger Student Center

8:00 a.m.
State spaces, finite algebras and skew group rings.
Ricardo Alfaro*, University of Michigan, Flint
(8521653) 
8:30 a.m.
Enveloping algebras of nilpotent Lie superalgebras.
Allen D. Bell*, University of Wisconsin, Milwaukee
Ian M. Musson, University of Wisconsin, Milwaukee
(8521669) 
9:00 a.m.
Morita equivalence of primitive factors of the enveloping algebra U(sl(2)).
Timothy J. Hodges*, University of Cincinnati
(85216104) 
9:30 a.m.
Enveloping fields of nonsplit three dimensional semisimple Lie algebras.
Peter Malcolmson*, Wayne State University
(8521666)

8:00 a.m.

Friday October 27, 1989, 8:00 a.m.10:20 a.m.
AMS Special Session on Triangular Operator Algebras, I
Forum, Pittenger Student Center

8:00 a.m.
Compactness and complete distributivity of lattices.
Kenneth R. Davidson*, University of Waterloo
David R. Pitts, University of California, Los Angeles
(8524782) 
8:30 a.m.
Isometries of certain reflexive operator algebras.
Robert L. Moore*, University of Alabama, Tuscaloosa
Tavan T. Trent, University of Alabama, Tuscaloosa
(8524731) 
9:00 a.m.
Triangular subalgebras of groupoid C*algebras.
Baruch Solel*, University of Haifa, Israel and University of North Carolina, Charlotte
(8524642) 
9:30 a.m.
Direct integrals and invariant subspaces.
Donald W. Hadwin*, University of New Hampshire
(8524783) 
10:00 a.m.
On joint quasitriangularity.
Norberto Salinas*, University of Kansas
(85247102)

8:00 a.m.

Friday October 27, 1989, 8:00 a.m.10:20 a.m.
AMS Special Session on Statistics and Probability, I
Room 303, Pittenger Student Center

8:00 a.m.
Hypergeometric and related distributions of order k.
Anant P. Godbole*, Michigan Technological University
(8526032) 
8:30 a.m.
Adjustment for the reporting delay of AIDS and estimation of the size of the HIV infected population in the USA.
Ian B. Macneill*, University of Western Ontario
L. Liu, University of Western Ontario
Q. P. Duong, Bureau of Management Consulting, Canada
V. K. Jandhyala, University of California, Irvine
(8526234) 
9:00 a.m.
Nonparametric rank based main effects test procedures for the twoway layout in the presence of interaction.
Douglas A. Wolfe*, Ohio State University, Columbus
Angela M. Dean, Ohio State University, Columbus
M. Dirk Wiers, Ohio State University, Columbus
Bradley A. Hartlaub, Ohio State University, Columbus
(8526249) 
9:30 a.m.
Probing encountered data, meta analysis and weighted distribution methods.
G. P. Patil*, Pennsylvania State University, University Park
C. Taillie, Pennsylvania State University, University Park
(8526252) 
10:00 a.m.
On shrinkage estimation of the parameters of an autoregressive Gaussian process.
A. K. Md. E. Saleh*, Carleton University
(8526237)

8:00 a.m.

Friday October 27, 1989, 8:00 a.m.10:20 a.m.
AMS Special Session on Function Spaces and Topology, I
Room 306, Pittenger Student Center

8:00 a.m.
Irrational rotations on simply connected domains.
Beverly L. Brechner*, University of Florida
(8525444) 
8:30 a.m.
Discrete dynamical systems and homeomorphism groups.
(852541123) 
9:00 a.m.
The dimension of the space of homeomorphisms.
James Keesling*, University of Florida
(8525497) 
9:30 a.m.
Span and open mappings.
Edwin Duda*, University of Miami
(8525425) 
10:00 a.m.
Informal Discussion

8:00 a.m.

Friday October 27, 1989, 8:30 a.m.9:15 a.m.
AMS Special Session on Complex Analysis, I
Room 305, Pittenger Student Center

8:30 a.m.
Hulls of graphs.
H. Alexander*, University of Illinois, Chicago
(85232108)

8:30 a.m.

Friday October 27, 1989, 10:30 a.m.11:30 a.m.
AMS Invited Address
Exponential sums and padic analysis.
Room 301302, Pittenger Student Center
Steven Sperber*, University of Minnesota, Minneapolis
(8521290) 
Friday October 27, 1989, 12:30 p.m.1:30 p.m.
AMS Invited Address
Some advances in operator algebra.
Ballroom, Pittenger Student Center
Paul S. Muhly*, University of Iowa
(8524640) 
Friday October 27, 1989, 2:00 p.m.5:20 p.m.
AMS Special Session on Number Theory and Algebraic Geometry, II
Room 301, Pittenger Student Center

2:00 p.m.
Additive Galois structure of global function fields.
Ted Chinburg*, University of Pennsylvania
(8521155) 
2:30 p.m.
Factorization of singular moduli for rank 2 Drinfeld modules.
David R. Dorman*, Middlebury College and Harvard University
(8521112) 
3:00 p.m.
Lseries of grossencharacters of type A_0 for function fields.
David Goss*, Ohio State University, Columbus
(8521175) 
3:30 p.m.
Kolyvagin's classes in ShafarevichTate groups.
William G. McCallum*, University of Arizona
(85211128) 
4:00 p.m.
Arithmetic of elliptic curves.
Karl Rubin*, Ohio State University, Columbus
(85211149) 
4:30 p.m.
Canonical models and adelic representations.
Alice Silverberg*, Ohio State University, Columbus
(8521478) 
5:00 p.m.
Kummer's lemma for primepower cyclotomic fields.
Lawrence C. Washington*, University of Maryland, College Park
(85211135)

2:00 p.m.

Friday October 27, 1989, 2:00 p.m.4:45 p.m.
AMS Special Session on Complex Analysis, II
Room 305, Pittenger Student Center

2:00 p.m.
Iteration of polynomial automorphisms of C^2.
Eric Bedford*, Indiana University, Bloomington
John Smillie, Cornell University
(8523214) 
3:00 p.m.
Compactification of Kahler manifolds and integrality of characteristic numbers.
Sai Kee Yeung*, Massachusetts Institute of Technology
(8523270) 
4:00 p.m.
A moduli space for pointed convex domains.
John Bland*, University of Toronto
Tom Duchamp, University of Washington
(85232109)

2:00 p.m.

Friday October 27, 1989, 2:00 p.m.3:50 p.m.
AMS Special Session on Extremally Disconnected Spaces and their Applications, I
Room 219A, Pittenger Student Center

2:00 p.m.
alephprojective spaces.
Louis M. Friedler*, University of Bridgeport
Stephen Willard, University of Alberta
(8525454) 
2:30 p.m.
Some cardinality issues concerning Boolean algebras and Boolean spaces.
Karel Prikry*, University of Minnesota, Minneapolis
(85254121) 
3:00 p.m.
Boolean topology and convergence.
Thomas Jech*, Pennsylvania State University, University Park
(85254154) 
3:30 p.m.
Completeness of measuretype algebras for finitely additive measures.
Thomas E. Armstrong*, University of Maryland, Baltimore County
(8522822)

2:00 p.m.

Friday October 27, 1989, 2:00 p.m.3:50 p.m.
AMS Special Session on Noncommutative Algebra in Geometry and Arithmetic, II
Pine Shelf Room, Pittenger Student Center

2:00 p.m.
Decommutatizations of group rings and some of their properties.
Eli Aljadeff*, University of Illinois, UrbanaChampaign
(8521681) 
2:30 p.m.
Cyclic homology and Grothendieck groups of crossed products.
Martin Lorenz*, Temple University
(8521680) 
3:00 p.m.
Differential operators on some affine cones.
Ian M. Musson*, University of Wisconsin, Milwaukee
(8521668) 
3:30 p.m.
Algebraic structure of Skylanin algebras.
S. P. Smith, University of Washington
J. T. Stafford*, University of Michigan, Ann Arbor
(8521679)

2:00 p.m.

Friday October 27, 1989, 2:00 p.m.5:20 p.m.
AMS Special Session on Triangular Operator Algebras, II
Forum, Pittenger Student Center

2:00 p.m.
Cohomology in operator algebras.I.
Frank L. Gilfeather*, University of New Mexico
Roger Smith, Texas A\thsp\&\thsp M University, College Station
(85246150) 
2:30 p.m.
Cohomology in operator algebras. II.
Frank L. Gilfeather, University of New Mexico
Roger Smith*, Texas A\thsp\&\thsp M University, College Station
(85246151) 
3:00 p.m.
The weak closures in II_1 hyperfinite factors of canonical nest subalgebras of UHF algebras.
Richard L. Baker*, University of California, Berkeley
(8524764) 
3:30 p.m.
Normprinciple bimodules of nest algebras.
Xingde Dai*, Texas A\thsp\&\thsp M University, College Station
(85247153) 
4:00 p.m.
Triangular operators.
Warren R. Wogen*, University of North Carolina, Chapel Hill
(85247101) 
4:30 p.m.
A survey of noncommutative thin sets.
John Froelich*, University of Houston, University Park
(8524765) 
5:00 p.m.
Triangular subalgebras of UHF C*algebras.
Belisario A. Ventura*, University of California, Irvine and California State University, San Bernardino
(85246142)

2:00 p.m.

Friday October 27, 1989, 2:00 p.m.5:20 p.m.
AMS Special Session on Statistics and Probability, II
Room 303, Pittenger Student Center

2:00 p.m.
Inference for exponential autogressive processes.
L. Billard*, University of Georgia
(8526076) 
2:30 p.m.
Second order corrections to limiting normality.
Donald A. S. Fraser*, University of Toronto
(8526288) 
3:00 p.m.
On spectral domain of harmonizable processes.
A. G. Miamee, Hampton University
Habib Salehi*, Michigan State University
(8526020) 
3:30 p.m.
Interpretation of the analysis of complex experimental designs: a case study.
George P. McCabe*, Purdue University, West Lafayette
(8526292) 
4:00 p.m.
Statistical inference for nonregular families of densities.
Vijay K. Rohatgi*, Bowling Green State University
(8526219) 
4:20 p.m.
Testing the goodnessoffit of a linear model via nonparametric regression techniques.
Randy L. Eubank*, Texas A\thsp\&\thsp M University, College Station
Clifford H. Spiegelman, Texas A\thsp\&\thsp M University, College Station
(8526245) 
5:00 p.m.
Matrix derivatives and multivariate moments.
Derrick S. Tracy*, University of Windsor
(8526250)

2:00 p.m.

Friday October 27, 1989, 2:00 p.m.4:20 p.m.
AMS Special Session on Function Spaces and Topology, II
Room 306, Pittenger Student Center

2:00 p.m.
Compact open, Isbell and bounded open topology on function spaces.
Panos Lambrinos*, University of Central Florida
(85254133) 
2:30 p.m.
Properties of C(X) with the epitopology.
Robert A. McCoy*, Virginia Polytechnic Institute and State University
(8525496) 
3:00 p.m.
New topologies on convex functions.
Gerald Beer*, California State University, Los Angeles
(8525404) 
3:30 p.m.
Mosco convergence and function spaces.
Robert K. Tamaki*, California State University, Los Angeles
Gerald Beer, California State University, Los Angeles
(8525405) 
4:00 p.m.
On automorphism groups of locally compact groups.
T. S. Wu, Case Western Reserve University
J. S. Yang*, University of Southern California
(8522213)

2:00 p.m.

Friday October 27, 1989, 2:00 p.m.4:20 p.m.
AMS Special Session on Differential Equations, II
Room 308 A \& B, Pittenger Student Center

2:00 p.m.
A bifurcation problem at a singular limit.
James Serrin*, University of Minnesota, Minneapolis
(85235115) 
2:30 p.m.
Diffusion models with microstructure.
R. E. Showalter*, University of Texas, Austin
(8523586) 
3:00 p.m.
Algebraic and topological selections of multivalued adjoints of differential operators.
Sun J. Lee, University of South Florida
M. Zuhair Nashed*, University of Delaware
(85234111) 
3:30 p.m.
Profile of finite extinction in a onedimensional nonlinear diffusion equation.
Hiroshi Matano*, University of Tokyo, Japan
(85235131) 
4:00 p.m.
On the symmetry of solutions of semilinear elliptic equations on R^n.
Yi Li*, University of Chicago
WeiMing Ni, University of Minnesota, Minneapolis
(85235127) 
4:30 p.m.
Superlinear semipositone problems.
Ratnasingham Shivaji*, Mississippi State University
(8523573) 
5:00 p.m.
Finite time blowup in a model of solar magnetohydrostatics.
David Eberly*, University of Texas, San Antonio
(8528585)

2:00 p.m.

Friday October 27, 1989, 2:00 p.m.3:50 p.m.
AMS Session on Analysis
Room 311, Pittenger Student Center

2:00 p.m.
A numerical method for the diffusion equation subject to moving boundary nonlocal specification.
Shingmin Wang*, Northeast Missouri State University
(85235117) 
2:20 p.m.
Positive solutions to a general competition model.
Roger Logan*, Kansas State University
Lige Li, Kansas State University
(8523558) 
2:40 p.m.
Parameter function determination in boundary value parabolic equation.
Morteza ShafiiMousavi*, Indiana University, South Bend
(85235107) 
3:00 p.m.
Strong porosity and Brownian motion.
Casper Goffman*, Purdue University, West Lafayette
(85226122) 
3:20 p.m.
Higher regularity of solutions to the pLaplacian obstacle problem.
Jun Mu*, Indiana University, Bloomington
(8523503) 
3:40 p.m.
Artificial boundary conditions for elastodynamics.
Douglas B. Meade*, Purdue University, West Lafayette
(85235136)

2:00 p.m.
Saturday October 28, 1989

Saturday October 28, 1989, 7:00 a.m.9:20 a.m.
AMS Special Session on Extremally Disconnected Spaces and their Applications, II
Room 219A, Pittenger Student Center

7:00 a.m.
Maximal subgroups of beta N can be small.
Neil Hindman*, Howard University
(8522216) 
7:30 a.m.
A characterisation of Beta N.
M. Rajagopalan*, Tennessee State University
(8525410) 
8:00 a.m.
New techniques for constructing nonnormal subspaces.
Andrzej Szyma\'nski*, Slippery Rock University of Pennsylvania
(85254141) 
8:30 a.m.
Hyperstonean methods in vectorvalued function spaces.
Peter Greim*, The Citadel
(85254155) 
9:00 a.m.
The Stonian transform of a vectorvalued function.
Robert F. Wheeler*, Northern Illinois University
(8524609)

7:00 a.m.

Saturday October 28, 1989, 7:00 a.m.9:20 a.m.
AMS Special Session on Triangular Operator Algebras, III
Forum, Pittenger Student Center

7:00 a.m.
Classification of triangular AF algebras.
Stephen C. Power*, University of Lancaster, England
(8524711) 
7:30 a.m.
Triangular AF algebras and nest subalgebras of UHF algebras.
Justin Peters*, Iowa State College, Ames
(85246156) 
8:00 a.m.
Triangular AF algebras and nest subalgebras of UHF algebras.
Bruce Wagner*, Iowa State University
(85246100) 
8:30 a.m.
Compactness and complete distributivity for commutative subspace lattices.
Kenneth R. Davidson, University of Waterloo
David R. Pitts*, University of Nebraska, Lincoln and University of California, Los Angeles
(8520608) 
9:00 a.m.
On the closure of triangular algebras.
John Lindsay Orr*, University of Lancaster, England
(8524724)

7:00 a.m.

Saturday October 28, 1989, 7:00 a.m.9:20 a.m.
AMS Special Session on Statistics and Probability, III
Room 303, Pittenger Student Center

7:00 a.m.
The GaltonWatson predatorprey process.
John Coffey*, Purdue University, Calumet Campus
(8526002) 
7:30 a.m.
Diagnostics for Restimates of regression coefficients.
Joseph W. McKean*, Western Michigan University
(8526291) 
8:00 a.m.
Some limit theorems for perturbed empirical distribution functions evaluated at a random point.
Madan Puri*, Indiana University, Bloomington
(8526295) 
8:30 a.m.
Path properties of infinite series of independent OrnsteinUhlenbeck processes.
Mikl\'os Cs\"org\"o*, Carleton University
(8526089) 
9:00 a.m.
A characterization of spherically symmetric distributions.
Mir M. Ali*, University of Western Ontario
(8526077)

7:00 a.m.

Saturday October 28, 1989, 7:00 a.m.9:20 a.m.
AMS Special Session on Function Spaces and Topology, III
Room 306, Pittenger Student Center

7:00 a.m.
Invariance of continuity.
Prem Sharma*, Butler University
(8525433) 
7:30 a.m.
Proximal graph topologies.
S. A. Naimpally*, Kuwait University, Kuwait
G. Di Maio, University of Naples, Italy
(8525417) 
8:00 a.m.
On topoplogical classification of funtion spaces C_p(X) of low Borel complexity.
T. Dobrowolski, University of Warsaw, Poland
W. Marciszewski*, University of Kansas and University of Warsaw, Poland
J. Mogilski, University of Alabama, Tuscaloosa and University of Warsaw, Poland
(8525436) 
8:30 a.m.
Informal Discussion 
9:00 a.m.
kto 1 mappings.
Jo Heath*, Auburn University, Auburn
(85254140)

7:00 a.m.

Saturday October 28, 1989, 7:00 a.m.9:20 a.m.
AMS Special Session on Differential Equations, III
Room 308 A \& B, Pittenger Student Center

7:00 a.m.
Existence of positive solutions for elliptic systems, degenerate and nondegenerate ecological models.
Anthony W. Leung*, University of Cincinnati
Guangwei Fan, University of Cincinnati
(8523572) 
7:30 a.m.
An algorithm for globally analytic triangularization of a matrix function.
Harry Gingold, West Virginia University
PoFang Hsieh*, Western Michigan University
(8521518) 
8:00 a.m.
Some characteristic equations arising in epidemic models.
Fred Brauer*, University of Wisconsin, Madison
(8529228) 
8:30 a.m.
A remark on the Gevrey property of formal solutions.
Yasutaka Sibuya*, University of Minnesota, Minneapolis
(8523460) 
9:00 a.m.
Fuchsian quasidifferential equations.
Lawrence Markus*, University of Minnesota, Minneapolis
(85234112)

7:00 a.m.

Saturday October 28, 1989, 8:00 a.m.9:20 a.m.
AMS Special Session on Number Theory and Algebraic Geometry, III
Room 101, Burkhardt Hall

8:00 a.m.
Monodromy of Kloosterman Fcrystals, II.
Richard Crew*, University of Minnesota, Minneapolis
(85214145) 
8:30 a.m.
Effective bounds for order of padic growth of solutions at a regular singularity.
G. Christol, University of Paris 6, France
B. Dwork*, Princeton University
(85234105) 
9:00 a.m.
The Newton polygon and Padic analytic variation of Lfunctions over finite fields.
Daqing Wan*, University of Washington
(8521121)

8:00 a.m.

Saturday October 28, 1989, 8:00 a.m.9:20 a.m.
AMS Special Session on Noncommutative Algebra in Geometry and Arithmetic, III
Pine Shelf Room, Pittenger Student Center

8:00 a.m.
The level of division algebra over local and global fields.
David B. Leep*, University of Kentucky
JeanPierre Tignol, University Catholique de Louvain, Belgium
Nicole Vast, University Catholique de Louvain, Belgium
(8521141) 
8:30 a.m.
Wild representation type and failure of directsum cancellation.
R. M. Guralnick, University of Southern California
L. S. Levy*, University of Wisconsin, Madison
R. B. Warfield, Jr., University of Washington
(85213144) 
9:00 a.m.
An approximation theorem for noncommutative valuation rings.
Patrick J. Morandi*, Indiana University, Bloomington
(8521648)

8:00 a.m.

Saturday October 28, 1989, 8:00 a.m.9:30 a.m.
AMS Session on Algebra and Geometry
Room 311, Pittenger Student Center

8:20 a.m.
Orderings and nonring CMC subsets of a ring.
Kenneth G. Valente*, Colgate University
Marie A. Vitulli, University of Oregon
(8521387) 
8:40 a.m.
Embedding analytic manifolds in uniform algebra spectrum.
Toma V. Tonev*, University of Toledo
(8523215) 
9:00 a.m.
Geometry of the dual ball of the spin factor.
Yaakov Friedman, Jerusalem College of Technology, Israel
Bernard Russo*, University of California, Irvine
(85246106) 
9:20 a.m.
Distinguishing certain Brieskorn manifolds.
John W. Emert*, Ball State University
(85257120)

8:20 a.m.

Saturday October 28, 1989, 8:00 a.m.8:05 a.m.
MAA Session on Welcome
Room 301, Pittenger Student Center

8:00 a.m.

8:00 a.m.

Saturday October 28, 1989, 8:05 a.m.8:25 a.m.
MAA Invited Address
Does Rudolf Steiner have the answer?
Room 301, Pittenger Student Center
Gloria Olive*, University of Otago, New Zealand and Anderson University 
Saturday October 28, 1989, 8:25 a.m.9:15 a.m.
MAA Invited Address
Gaussian binomnial coefficients.
Room 301, Pittenger Student Center
Gerald L. Alexanderson*, Santa Clara University 
Saturday October 28, 1989, 9:30 a.m.10:30 a.m.
AMS Invited Address
Imbedding pseudoconvex domains into a ball.
Ballroom, Pittenger Student Center
Laszlo Lempert*, Purdue University, West Lafayette
(8523206) 
Saturday October 28, 1989, 9:45 a.m.10:30 a.m.
MAA Invited Address
REU students get results in group theorysay CAYEY essential.
Room 301, Pittenger Student Center
Gary J. Sherman*, RoseHulman Institute of Technology 
Saturday October 28, 1989, 11:30 a.m.12:30 p.m.
AMSMAA Invited Address
Writing mathematics.
Room 301, Pittenger Student Center
Sheldon Axler*, Michigan State University 
Saturday October 28, 1989, 12:40 p.m.1:25 p.m.
MAA Invited Address
Topology and the robot arm.
Room 301, Pittenger Student Center
Daniel H. Gottlieb*, Purdue University, West Lafayette 
Saturday October 28, 1989, 12:45 p.m.1:45 p.m.
AMS Invited Address
Stability and chaos in almost periodic systems.
Ballroom, Pittenger Student Center
Kenneth R. Meyer*, University of Cincinnati
(8525835) 
Saturday October 28, 1989, 1:30 p.m.2:00 p.m.
MAA Invited Address
Teaching calculus and differential equations with the computer algebra system MAPLE.
Room 301, Pittenger Student Center
Robert J. Lopez*, RoseHulman Institute of Technology 
Saturday October 28, 1989, 2:00 p.m.3:20 p.m.
AMS Special Session on Number Theory and Algebraic Geometry, IV
Room 101, Burkhardt Hall

2:00 p.m.
On topoplogy of quasiordinary singularities.
Kyungho Oh*, Purdue University, West Lafayette
(8521427) 
2:30 p.m.
The nonring CMC subsets of a commutative ring.
Kenneth G. Valente, Colgate University
Marie A. Vitulli*, University of Oregon
(8521323) 
3:00 p.m.
Waring's problem in matrix rings over fields.
Daniel E. Otero*, Xavier University
(85215147)

2:00 p.m.

Saturday October 28, 1989, 2:00 p.m.4:45 p.m.
AMS Special Session on Complex Analysis, III
Room 305, Pittenger Student Center

Saturday October 28, 1989, 2:00 p.m.3:20 p.m.
AMS Special Session on Extremally Disconnected Spaces and their Applications, III
Room 219A, Pittenger Student Center

2:00 p.m.
Ultrapowers of Banach spaces C (X).
K. Sundaresan*, Cleveland State University
(8525407) 
2:30 p.m.
Bases for a class of spaces containing basically disconnected spaces and spaces of minimal prime ideals: the locally compact case.
Melvin Henriksen*, Harvey Mudd College
(85254148) 
3:00 p.m.
On the projective cover of S_omegaII.
Ananda V. Gubbi*, Southwest Missouri State University
(8525401)

2:00 p.m.

Saturday October 28, 1989, 2:00 p.m.3:50 p.m.
AMS Special Session on Noncommutative Algebra in Geometry and Arithmetic, IV
Pine Shelf Room, Pittenger Student Center

2:00 p.m.
Actions of Lie algebras and Hopf algebras on associative rings.
Jeffrey Bergen*, DePaul University
(85216103) 
2:30 p.m.
Commutativity and primitivity in the enveloping algebra of the Virasoro algebra. I.
Carolyn A. Dean*, University of Michigan, Ann Arbor
(85216126) 
3:00 p.m.
Commutativity and primitivity in the enveloping algebra of the Virasoro algebra. II.
Jeanne Wald Kerr*, Michigan State University
(85216125) 
3:30 p.m.
Tensor algebra of a relatively free group.
Leonid Krop*, DePaul University
(8521667)

2:00 p.m.

Saturday October 28, 1989, 2:00 p.m.5:20 p.m.
AMS Special Session on Triangular Operator Algebras, IV
Forum, Pittenger Student Center

2:00 p.m.
On nonself adjoint operator algebras.
Edward G. Effros, University of California, Los Angeles
ZhongJin Ruan*, University of Illinois, UrbanaChampaign
(8524639) 
2:30 p.m.
Nest algebras and the DunfordPettis property.
Timothy G. Feeman*, Villanova University
(85247139) 
3:00 p.m.
Nests of subspaces in Banach space.
Alvaro Arias*, Texas A\thsp\&\thsp M University, College Station
Jeff Farmer, Texas A\thsp\&\thsp M University, College Station
(85246152) 
3:30 p.m.
A new duality for spaces of operators.
David P. Blecher*, University of HoustonUniversity Park
(8524763) 
4:00 p.m.
On reflexive operator algebras.
Elias Katsoulis*, University of Athens, Greece
(85247138) 
4:30 p.m.
Extensions of isometric isomorphisms.
Richard Mercer*, Wright State University
(8524730) 
5:00 p.m.
The tensor product problem for reflexive algebras.
Jon Kraus*, State University of New York, College at Buffalo
(8524756)

2:00 p.m.

Saturday October 28, 1989, 2:00 p.m.5:20 p.m.
AMS Special Session on Statistics and Probability, IV
Room 303, Pittenger Student Center

2:00 p.m.
Multivariate model building with partial, additive and interaction splines.
Grace Wahba*, University of Wisconsin, Madison
(8526284) 
2:30 p.m.
On the asymptotic optimality of certain empirical Bayes simultaneous testing procedures.
Shanti S. Gupta*, Purdue University, West Lafayette
Tachen Liang, Purdue University, West Lafayette
(8526251) 
3:00 p.m.
A limit theorem for moment sequences.
FuChuen Chang, Purdue University, West Lafayette
J. H. B. Kemperman, Rutgers University, New Brunswick
W. J. Studden*, Purdue University, West Lafayette
(8526038) 
3:30 p.m.
Three useful expressions for expectations involving a Wishart matrix and its inverse.
George P. H. Styan*, McGill University
(8526293) 
4:00 p.m.
Inference regarding the dispersion matrix under the Hierarchical multivariate model, and related distribution theory.
J. N. Srivastava*, Colorado State University
(85262158) 
4:30 p.m.
Asymptotical estimation of variance.
Andrew L. Rukhin*, University of Maryland, Baltimore County
(8526246) 
5:00 p.m.
A weak convergence result useful in autoregression.
Hira L. Koul*, Michigan State University
(8526294)

2:00 p.m.

Saturday October 28, 1989, 2:00 p.m.4:20 p.m.
AMS Special Session on Function Spaces and Topology, IV
Room 306, Pittenger Student Center

2:00 p.m.
Generalized semicontinuous functions.
John S. Kulesza*, George Mason University
(8525443) 
2:30 p.m.
Function space topologies for Darboux and related functions.
Kenneth R. Kellum*, San Jose State University
(8525498) 
3:00 p.m.
Toward a function space topology for variational calculus in Sobolev and related function spaces.
M. Zuhair Nashed*, University of Delaware
(8524999) 
3:30 p.m.
A note on umbral spaces.
Terence E. Wilson*, Mississippi State University
(85254157) 
4:00 p.m.
Informal Discussion

2:00 p.m.

Saturday October 28, 1989, 2:00 p.m.5:20 p.m.
AMS Special Session on Differential Equations, IV
Room 308 A \& B, Pittenger Student Center

2:00 p.m.
Estimates of oscillations for the prescribed mean curvature equation.
F. V. Atkinson*, University of Toronto
(85234114) 
2:30 p.m.
Lyapunov functions for quadratically truncated plane autonomous systems.
W. S. Loud*, University of Minnesota, Minneapolis
(8523429) 
3:00 p.m.
Asymptotics beyond all orders in an eigenvalue problem.
Alastair D. Wood*, Dublin City University, Republic of Ireland
(85234130) 
3:30 p.m.
On large time behaviour of linear degenerate hyperbolic systems.
Harry Gingold*, West Virginia University
Victor Trutzer, University of Lowell
(85235113) 
4:00 p.m.
Contour integral solutions of certain systems of hypergeometric partial differential equations and their applications.
H. M. Srivastava*, University of Victoria
(85234129) 
4:30 p.m.
The existence of optimal controls for infinite horizon hereditary Lagrange problems with state and control dependent discount factors.
Dean A. Carlson*, University of Toledo
(8524947) 
5:00 p.m.
Asymptotic behavior of the solutions of a certain nth order ordinary homogeneous differential equation in the vicinity of an irregular singular point.
T. K. Puttaswamy*, Ball State University
(8523461)

2:00 p.m.

Saturday October 28, 1989, 2:05 p.m.2:30 p.m.
MAA Business Meeting
Room 301, Pittenger Student Center