
AMS Sectional Meeting Full Program
Current as of Tuesday, April 12, 2005 15:08:50
Program 
Deadlines 
Inquiries: meet@ams.org
1991 Western Section Meeting
Portland, OR, June 1415, 1991
Meeting #866
Associate secretaries: Lance W Small, AMS lwsmall@ucsd.edu
Friday June 14, 1991

Friday June 14, 1991, 8:00 a.m.9:50 a.m.
Special Session on Fourier Analysis, I
Room 358, Neuberger Hall

8:00 a.m.
Hamel bases and partitions of compact connected Abelian groups into sets of full outermeasure.
Gerald L. Itzkowitz*, Queens College, City University of New York
(8664201)

8:30 a.m.
Embedding of the Fourier Stieltjes algebra into the dual of certain C*algebra.
Anthony ToMing Lau*, University of Alberta
(8664303)

9:00 a.m.
Bilinear operators on L^infinity(G) of locally compact groups.
Colin C. Graham*, Lakehead University
Anthony T. M. Lau, University of Alberta
(8664317)

9:30 a.m.
On convolution operators which are not expressible as convolution by bounded measures.
E. E. Granirer*, University of British Columbia
(8664208)

Friday June 14, 1991, 8:00 a.m.9:55 a.m.
Special Session on Inverse Problems and Applications, I
Room 350, Neuberger Hall

8:00 a.m.
Some determined inverse problems.
James Ralston*, University of California, Los Angeles
Gregory Eskin, University of California, Los Angeles
(8663535)

8:30 a.m.
Boundary conditions and impedance imaging.
Margaret Cheney*, Rensselaer Polytechnic Institute
(8663528)

9:00 a.m.
Limited data tomography and microlocal analysis.
Eric Todd Quinto*, Tufts University
(8663536)

9:30 a.m.
Inverse scattering for the Schrodinger equation in a magnetic field.
Ziqi Sun*, Wichita State University
(8663526)

Friday June 14, 1991, 8:30 a.m.9:50 a.m.
Special Session on Combinatorial Group Theory and Low Dimensional Topology, I
Room 343, Neuberger Hall

8:30 a.m.
Reconstruction of manifolds from their spines.
Dale Rolfsen*, University of British Columbia
David Gillman, University of British Columbia
(8665758)

9:00 a.m.
Fixed subgroups of free group automorphisms.
Xingguo Zhang*, Michigan State University
(8662047)

9:30 a.m.
Groups satisfying the restricted Gromov property.
Benjamin Fine*, Fairfield University
Gerhard Rosenberger, University of Dortmund, Federal Republic of Germany
(8662053)

Friday June 14, 1991, 8:30 a.m.9:50 a.m.
Special Session on Cycles and Poles of LFunctions, I
Room 346, Neuberger Hall

8:30 a.m.
Cycles on certain arithmetic quotients of the twoball.
Jonathan D. Rogawski*, University of California, Los Angeles
(8661462)

9:00 a.m.
Symmetric square Lfunctions on GL(n).
Daniel Bump*, Stanford University
(8661164)

9:30 a.m.
A globalization of the MerkurjevSuslin theorem and cycles on arithmetic schemes.
Yevsey Nisnevich*, Johns Hopkins University, Baltimore
(8661454)

Friday June 14, 1991, 10:00 a.m.10:50 a.m.
Invited Address
The Tate conjectures: Introduction and examples.
Room 190, School of Business Administration
Dinakar Ramakrishnan*, California Institute of Technology
(8661437)

Friday June 14, 1991, 1:00 p.m.1:50 p.m.
Invited Address
Inverse boundary value problems and applications.
Room 190, School of Business Administration
Gunther A. Uhlmann*, University of Washington
(8663549)

Friday June 14, 1991, 2:00 p.m.4:20 p.m.
Special Session on Meromorphic Differential Equations, I
Room 341, Neuberger Hall

2:00 p.m.
A differential analogue of Kummer theory.
Daniel Bertrand*, Universite de Paris VI, France
(8661425)

2:50 p.m.
Moduli of Fuchsian linear differential equations with fixed Galois groups.
Michael F. Singer*, North Carolina State University
(8661221)

3:40 p.m.
Multisummability of formal solutions.
Yasutaka Sibuya*, University of Minnesota, Minneapolis
(8663423)

Friday June 14, 1991, 2:00 p.m.4:20 p.m.
Special Session on Combinatorial Group Theory and Low Dimensional Topology, II
Room 343, Neuberger Hall

2:00 p.m.
Distinguishing presentations of metacyclic fundamental groups of 3manifolds.
F. Rudolf Beyl*, Portland State University
M. Paul Latiolais, Portland State University
(8665755)

2:30 p.m.
Degree one maps between threemanifolds.
Yongwu Rong*, Michigan State University
(8665715)

3:00 p.m.
An embedding for the second homotopy group of a subcomplex of a finite contractible twocomplex.
William A. Bogley*, Oregon State University
(8662052)

3:30 p.m.
Discussion

4:00 p.m.
Groups and topographs.
S. Kalajdzievski*, University of Manitoba
(8662045)

Friday June 14, 1991, 2:00 p.m.4:20 p.m.
Special Session on Cycles and Poles of LFunctions, II
Room 346, Neuberger Hall

2:00 p.m.
Cycle classes of infinite order and zeroes of Lseries on triple products of elliptic curves.
Joe P. Buhler*, Reed College
(8661461)

2:30 p.m.
Some correspondences between modular threefolds.
Neils O. Nygaard*, University of Chicago
(8661459)

3:00 p.m.
Abelian varieties associated with K3 surfaces.
Kapil H. Paranjape*, University of Chicago
(8661463)

3:30 p.m.
Discussion

4:00 p.m.
On the cycle map for codimension two cycles on varieties over finitely generated fields.
Wayne M. Raskind*, University of Arizona
(8661460)

Friday June 14, 1991, 2:00 p.m.4:25 p.m.
Special Session on Inverse Problems and Applications, II
Room 350, Neuberger Hall

2:00 p.m.
Trying to beat Heisenberg.
F. Alberto Grunbaum*, University of California, Berkeley
(8663530)

2:30 p.m.
Microlocal analysis of restricted Xray transforms.
Allan Greenleaf*, University of Washington
Gunther Uhlmann, University of Washington
(8664450)

3:00 p.m.
Boundary data for Schrodinger operators.
Rick Lavine*, University of Rochester
(8663533)

3:30 p.m.
Undetermined coefficient problems for second order equations.
William Rundell*, Texas A\thsp\&\thsp M University, College Station
(8663406)

4:00 p.m.
Local tomography.
Adel Faridani*, Oregon State University
(8663534)

Friday June 14, 1991, 2:00 p.m.4:10 p.m.
General Session
Room 307, Neuberger Hall

2:00 p.m.
Essential vertices in maximum matchings.
James E. Simpson*, University of Kentucky
(8660551)

2:20 p.m.
Constructing the spherical harmonics.
Allan Fryant*, Jamestown College
(8663110)

2:40 p.m.
Inverse spectral theory for some singular SturmLiouville problems.
Robert Carlson*, University of Colorado, Colorado Springs
(8663441)

3:00 p.m.
Dirichlet operator and equivalence of subspaces.
Karim Seddighi*, Shiraz University, Iran
(8664714)

3:20 p.m.
An extension of norm inequalities for integral operators on cones when 0 < p < 1.
V. Siadat*, California State University, Dominguez Hills
K. Zhou, California State University, Sacramento
(8664748)

3:40 p.m.
Generalized coupling model of global electrocortical activity.
Syed Arif Kamal*, University of Karachi, Pakistan
Khursheed A. Siddiqui, University of Karachi, Pakistan
(8669216)

4:00 p.m.
The maximal ideal space of L^infinity.
M. Rajagopalan*, Tennessee State University
Peter Greim, The Citadel
(8664666)

Friday June 14, 1991, 2:05 p.m.4:50 p.m.
Special Session on Fourier Analysis, II
Room 358, Neuberger Hall

2:05 p.m.
Measures, Fourier coefficients, and Baire category.
Russell Lyons*, Indiana University, Bloomington
(8664320)

3:00 p.m.
Differentiation of Zygmund functions.
David Ullrich*, Oklahoma State University, Stillwater
(8664204)

3:30 p.m.
Entropy norms and lacunary Fourier series.
W. Christopher Lang*, Mississippi State University
(8664211)

4:00 p.m.
Convolution measure algebras that are not hypergroups.
William C. Connett, University of Missouri, St.\ Louis
Alan L. Schwartz*, University of Missouri, St.\ Louis
(8664212)

4:30 p.m.
Classification of selfdual divisible LCA groups.
Sheng L. Wu*, University of Oregon
(8664313)
Saturday June 15, 1991

Saturday June 15, 1991, 7:30 a.m.9:50 a.m.
Special Session on Fourier Analysis, III
Room 358, Neuberger Hall

7:30 a.m.
LittlewoodPaley sets.
Kathryn E. Hare*, University of Waterloo
Ivo Klemes, McGill University
(8664209)

8:00 a.m.
LittlewoodPaley theory on solenoids.
Nakhl\'e H. Asmar*, University of Missouri, Columbia
Stephen MontgomerySmith, University of Missouri, Columbia
(8664318)

8:30 a.m.
The L^pconjecture for hypergroups.
Richard Vrem*, Humboldt State University
(8664305)

9:00 a.m.
Generalized maximal functions of Martingales.
Andrew G. Bennett*, Kansas State University
Bernd S. W. Schroeder, Kansas State University
(8666019)

9:30 a.m.
The set of closed subgroups of a topological group.
Tom Hollingsed*, University of Oregon
(8662222)

Saturday June 15, 1991, 8:00 a.m.9:50 a.m.
Special Session on Combinatorial Group Theory and Low Dimensional Topology, III
Room 343, Neuberger Hall

8:00 a.m.
Fixed point free actions on homology 3spheres.
Erhard Luft, University of British Columbia
Denis Sjerve*, University of British Columbia
(8665757)

8:30 a.m.
Nonhomotopy equivalent 2complexes with isomorphic pi_1 and pi_2.
Nancy Waller*, Portland State University
M. Paul Latiolais, Portland State University
(8665756)

9:00 a.m.
Rtrees and partial rotations.
Frank S. Rimlinger*, Fairfield University
(8662002)

9:30 a.m.
3Manifolds whose universal covers are 1connected at infinity, and grouptheoretic ideas.
John R. Stallings*, University of California, Berkeley
(8662044)

Saturday June 15, 1991, 8:00 a.m.9:55 a.m.
Special Session on Inverse Problems and Applications, III
Room 350, Neuberger Hall

8:00 a.m.
Constructing twodimensional potentials from nodal line patterns.
Joyce R. McLaughlin*, Rensselaer Polytechnic Institute
Ole H. Hald, University of California, Berkeley
(8663527)

8:30 a.m.
Inverse hyperbolic problems with local boundary measurements.
Victor Isakov*, Wichita State University
(8663532)

9:00 a.m.
Identification of the elasticity tensor by boundary measurements.
Gen Nakamura*, Josai University, Japan
(8663565)

9:30 a.m.
Parallel algorithms for an inverse SturmLiouville problem.
Michael Pilant*, Texas A\thsp\&\thsp M University, College Station
William Rundell, Texas A\thsp\&\thsp M University, College Station
(8663407)

Saturday June 15, 1991, 10:00 a.m.10:50 a.m.
Invited Address
Recent progress in meromorphic differential equations.
Room 190, School of Business Administration
V. S. Varadarajan*, University of California, Los Angeles
(8663442)

Saturday June 15, 1991, 1:00 p.m.3:30 p.m.
Special Session on Meromorphic Differential Equations, II
Room 341, Neuberger Hall

1:00 p.m.
Calculating Stokes' multipliers for some meromorphic differential equations.
D. A. Lutz*, San Diego State University
R. Schaefke, University of Essen, Germany
(8663440)

1:50 p.m.
Logarithmic decay and overconvergence of the unit root and associated zeta functions.
Bernard Dwork, Princeton University
Steven Sperber*, University of Minnesota, Minneapolis
(8661443)

2:40 p.m.
Fuchsian moduli on a curve.
K. Iwasaki*, University of Tokyo, Japan
(8663424)

Saturday June 15, 1991, 1:00 p.m.3:25 p.m.
Special Session on Inverse Problems and Applications, IV
Room 350, Neuberger Hall

1:00 p.m.
Problems in impedance imaging.
David Isaacson*, Rensselaer Polytechnic Institute
(8663529)

1:30 p.m.
Spectrally determined singularities in a potential.
Constantine J. Callias*, Case Western Reserve University
(8663546)

2:00 p.m.
Xray reconstruction in R^3.
David Finch*, Oregon State University
(8663531)

2:30 p.m.
Numerical recovery of certain discontinuous conductivities.
Kurt Bryan*, NASA Langley Research Center, Virginia
(8663539)

3:00 p.m.
The recovery of potentials from finite spectral data.
Bruce Lowe*, Texas A\thsp\&\thsp M University, College Station
Michael Pilant, Texas A\thsp\&\thsp M University, College Station
William Rundell, Texas A\thsp\&\thsp M University, College Station
(8663438)
Inquiries: meet@ams.org

