
AMS Sectional Meeting Program by Day
Current as of Tuesday, April 12, 2005 15:09:29
Program 
Deadlines 
Inquiries: meet@ams.org
1996 Spring Central Sectional Meeting
Iowa City, IA, March 2223, 1996
Meeting #909
Associate secretaries: Andy R Magid, AMS amagid@ou.edu
Saturday March 23, 1996

Saturday March 23, 1996, 8:00 a.m.10:50 a.m.
Special Session on Moments and Operators, III
Room 348, Iowa Memorial Union/Iowa House Organizers: Raul E. Curto, University of Iowa
Palle E. T. Jorgensen, University of Iowa
Paul S. Muhly, University of Iowa

8:00 a.m.
Moment problems and prediction.
I. C. Gohberg, Tel Aviv University, Israel
Henry J. Landau*, AT&T Research, Murray Hill, New Jersey
(90942131)

8:30 a.m.
Quadrature domains and operator theory.
Liming Yang, University of Hawaii, Honolulu
John E. McCarthy*, Washington University
(90947112)

9:00 a.m.
Positivedefinite functions on free semigroups.
Gelu Fanica Popescu*, University of Texas, San Antonio
(9094782)

9:30 a.m.
The truncated complex moment problem.
Lawrence A. Fialkow*, State University of New York, College at New Paltz
(9094726)

10:00 a.m.
Oneterm solutions of certain moment problems.
Jingbo Xia*, State University of New York, Buffalo
(90947102)

10:30 a.m.
The complex moment problem and subnormality.
F. H. Szafraniec*, Jagiellonian University, Poland
(90947114)

Saturday March 23, 1996, 8:00 a.m.10:50 a.m.
Special Session on Mostly Finite Geometries, III
Room 335, Iowa Memorial Union/Iowa House Organizers: Norman L. Johnson, University of Iowa

8:00 a.m.
$p$Ranks of finite geometric structures.
G. Eric Moorhouse*, University of Wyoming
(90951232)

8:30 a.m.
Building a cyclic $q$clan.
Stanley E. Payne*, University of Colorado, Denver
Tim Penttila, University of Western Australia, Australia
Gordon F. Royle, University of Western Australia, Australia
(9095180)

9:00 a.m.
On completing a union of $3$spaces to a plane.
Julia Nowlin Brown*, York University
(90951251)

9:30 a.m.
Virtual derivation.
Robert Allen Liebler*, Colorado State University
(90951238)

10:00 a.m.
Weighted circles in $EG(2,q)$.
F. A. Sherk*, University of Toronto
(90951249)

10:30 a.m.
Parallelisms of $PG(3,3)$.
Alan R. Prince*, HeriotWatt University, United Kingdom
(90951226)

Saturday March 23, 1996, 8:00 a.m.10:50 a.m.
Special Session on Physical Knot Theory, III
Room 346, Iowa Memorial Union/Iowa House Organizers: Jonathan K. Simon, University of Iowa
Gregory Buck, Saint Anselm's College

8:00 a.m.
Knot energies by ropes.
Claus Ernst*, Western Kentucky University
Yuanan Diao, Kennesaw State College
Esaias J. Janse van Rensburg, York University
(9095765)

8:30 a.m.
In search of a good polygonal knot energy function.
Yuanan Diao*, Kennesaw State College
Claus Ernst, Western Kentucky University
Esaias J. Janse van Rensburg, York University
(9095787)

9:00 a.m.
Energies for polygonal knots.
Yuanan Diao, Kennesaw State College
Claus Ernst, Western Kentucky University
Esaias J. Janse van Rensburg*, York University
(90965101)

9:30 a.m.
Equilateral polygonal knots.
Kenneth C. Millett*, University of California, Santa Barbara
(90957247)

10:00 a.m.
M\"obius energy of Hopf links and the Morse theory of electrons on $S^2$.
Robert Barnard Kusner*, University of Massachusetts, Amherst
John M. Sullivan, University of Minnesota, Minneapolis
James Lawrence, University of Massachusetts, Amherst
Nick Schmitt, University of Massachusetts, Amherst
(90957255)

10:30 a.m.
Discretizations of M\"obius knot energies.
John M. Sullivan*, University of Minnesota, Minneapolis
(90957254)

Saturday March 23, 1996, 8:00 a.m.10:50 a.m.
Special Session on Commutative Ring Theory, III
Room 256, Iowa Memorial Union/Iowa House Organizers: Daniel D. Anderson, University of Iowa

8:00 a.m.
The residue fields of a zerodimensional ring.
William J. Heinzer, Purdue University, West Lafayette
David C. Lantz*, Colgate University
Roger A. Wiegand, University of Nebraska, Lincoln
(90913252)

8:30 a.m.
Minimal generating sets for ideals in local domains.
Kurt D. Herzinger*, University of Nebraska, Lincoln
(90913116)

9:00 a.m.
The $S_2$fication of a commutative ring.
Joseph P. Brennan*, North Dakota State University
(90913118)

9:30 a.m.
Unique factorization of bonds and other cashflows.
Douglas L. Costa*, University of Virginia
(90913165)

10:00 a.m.
Characterizing when $R(X)$ is completely integrally closed.
Thomas G. Lucas*, University of North Carolina, Charlotte
(90913154)

10:30 a.m.
Properties of the projective line over the integers.
Aihua Li, Loyola University
Sylvia Margaret Wiegand*, University of Nebraska, Lincoln
(90913216)

Saturday March 23, 1996, 8:00 a.m.10:50 a.m.
Special Session on Research in Mathematics by Undergraduates
Room 259, Iowa Memorial Union/Iowa House Organizers: Carl C. Cowen, Purdue University, West Lafayette

8:00 a.m.
Informal discussion

8:30 a.m.
Elasticity of factorizations of power series.
Janice M. Winner*, University of Kentucky
(9091388)

9:00 a.m.
Improved bounds for the reliability of ddimensional consecutivekoutofn systems.
Laura Kay Potter*, University of Northern Iowa
(9096015)

9:30 a.m.
Redundant matrices for linear transformations.
Carl C. Cowen, Purdue University, West Lafayette
Daniel E. Crosby*, Purdue University, West Lafayette
(90915148)

10:00 a.m.
A graphdependent condition for a pattern of matrices allowing a line sum constant matrix.
Michael E. Holcomb*, Oklahoma State University, Stillwater
David P. Stanford, College of William & Mary
(90915229)

10:30 a.m.
Control of redundant robots.
Jason A. Aubrey*, Purdue University, West Lafayette
Carl C. Cowen, Purdue University, West Lafayette
Lorena I. Romero, Wellesley College
(90915147)

Saturday March 23, 1996, 8:30 a.m.10:50 a.m.
Special Session on Derivatives and Financial Mathematics, II
Room 337, Iowa Memorial Union/Iowa House Organizers: John F. Price, Maharishi International University

8:30 a.m.
On an interiorpoint columngeneration algorithm for stochastic financial optimization.
Yinyu Ye*, University of Iowa
(9099074)

9:00 a.m.
Pricing options when asset return follows a ``colored'' Brownian process.
Steven H. Zhu*, First National Bank of Chicago, Chicago, Illinois
(9099076)

9:30 a.m.
Path structure of the bond price process in the Heath, Jarrow, and Morton model.
Valery Alexandrovich Kholodnyi, Integrated Energy Services, Fairfield, Iowa
Milan N. Lukic*, University of Wisconsin, Milwaukee
(90960211)

10:00 a.m.
Testing the Heath, Jarrow and Morton model for interest rates.
Mukarram Attari*, University of Iowa
(9099078)

10:30 a.m.
Problem session

Saturday March 23, 1996, 8:30 a.m.10:50 a.m.
Special Session on Group Representations and Mathematical Physics, III
Room 301, Van Allen Hall Organizers: Tuong TonThat, University of Iowa

8:30 a.m.
Computing cohomology using covariant differential operators.
Ronald J. Stanke*, Baylor University
(90922158)

9:00 a.m.
Quantization of collective dynamics.
George Rosensteel*, Tulane University
(90922193)

9:30 a.m.
Algebras of growth one.
Efim Zelmanov*, Yale University
(90922270)

10:00 a.m.
$p$Adic Bessel functions and harmonic analysis.
Paul J. Sally, Jr.*, University of Chicago
(90922240)

10:30 a.m.
Current densities in relativistic fewbody systems.
F. Coester*, Argonne National Laboratories, Argonne, Illinois
(90981146)

Saturday March 23, 1996, 8:30 a.m.10:20 a.m.
Special Session on Geometry and Cohomology, III
Room 343, Iowa Memorial Union/Iowa House Organizers: Walter I. Seaman, University of Iowa

8:30 a.m.
On the incompleteness of Berger's list of holonomy representations.
Quoshin Chi*, Washington University
Sergey Merkulov, University of Glasgow, United Kingdom
Lorenz J. Schwachhoefer, University of Leipzig, Germany
(9095379)

9:00 a.m.
On symmetries of constant mean curvature surfaces.
Josef F. Dorfmeister*, University of Kansas
Guido Haak, Technical University of Berlin, Germany
(90953205)

9:30 a.m.
SeibergWitten invariants of complex surfaces with the reversed orientation.
Tedi C. Draghici*, Michigan State University
(9095768)

10:00 a.m.
Dupin hypersurfaces with four principal curvatures.
Gary R. Jensen*, Washington University
Thomas E. Cecil, College of the Holy Cross
(90953110)

Saturday March 23, 1996, 8:30 a.m.10:50 a.m.
Special Session on Topology of 3manifolds, III
Room 345, Iowa Memorial Union/Iowa House Organizers: Charles Frohman, University of Iowa
YingQing Wu, University of Iowa

8:30 a.m.
Dehn surgery.
C. M. Gordon*, University of Texas, Austin
(90957258)

9:00 a.m.
On mutatative $3$manifolds.
Yongwu Rong*, George Washington University
(9095760)

9:30 a.m.
The Kauffman bracket skein module and $SL_2(F)$ representations of $\pi(M)$.
Doug Bullock*, Boise State University
(9095754)

10:00 a.m.
Elementary moves on Heegaard diagrams.
Feng Luo*, Rutgers University, New Brunswick
(9095753)

10:30 a.m.
On graph manifolds.
Hyam Rubinstein, Melbourne University, Australia
Shicheng Wang*, Beijing University, People's Republic of China
Fengchun Yu, Beijing University, People's Republic of China
(9095763)

Saturday March 23, 1996, 8:30 a.m.10:50 a.m.
Special Session on Theta Correspondences and Automorphic Forms, II
Room 347, Iowa Memorial Union/Iowa House Organizers: David C. Manderscheid, University of Iowa

8:30 a.m.
Exceptional $\Theta$correspondences.
Kay Magaard*, Wayne State University
Gordan Savin, University of Utah
(9092250)

9:00 a.m.
Minimal representations, shared orbits and dual pair correspondences.
JingSong Huang*, Hong Kong University of Science and Technology, Hong Kong
(9092293)

9:30 a.m.
$K$types of minimal representations ($p$adic case).
Gordan Savin*, University of Utah
(9092249)

10:00 a.m.
Explicit models for small unitary representations.
Siddhartha Sahi*, Rutgers University, New Brunswick
(90922174)

10:30 a.m.
Coperiods.
S. Rallis*, Ohio State University, Columbus
(90911227)

Saturday March 23, 1996, 8:30 a.m.10:50 a.m.
Special Session on Geometric and Analytic Methods in Several Complex Variables, II
Room 257, Iowa Memorial Union/Iowa House Organizers: Franc Forstneric, University of Wisconsin, Madison

8:30 a.m.
An estimate on pseudoconvex boundaries.
Emil J. Straube*, Texas A & M University, College Station
(90932184)

9:00 a.m.
The CauchyRiemann equation on singular spaces.
John Erik Fornaess, University of Michigan, Ann Arbor
Estela A. Gavosto*, University of Michigan, Ann Arbor
(90932220)

9:30 a.m.
Divergence of the normalization for real Lagrangian surfaces near complex tangents.
Xianghong Gong*, Mathematical Sciences Research Institute, Berkeley
(9093221)

10:00 a.m.
Proper holomorphic mappings.
Victoria Pambuccian*, Indiana University, Bloomington
(90932199)

10:30 a.m.
The Ahlfors map and Szeg\H o kernel for an annulus.
Thomas J. Tegtmeyer, Purdue University, West Lafayette
Anthony D. Thomas*, University of Wisconsin, Platteville
(9093022)

Saturday March 23, 1996, 9:00 a.m.10:50 a.m.
Special Session on Arrangements of Hyperplanes, III
Room 351, Iowa Memorial Union/Iowa House Organizers: Michael J. Falk, Northern Arizona University
Richard C. Randell, University of Iowa

9:00 a.m.
Ordered configurations of roots of real polynomials.
Volkmar Welker*, Institute for Experimental Mathematics, Germany
(90957127)

9:30 a.m.
Homotopy theory of arrangements.
Richard C. Randell*, University of Iowa
(90952214)

10:00 a.m.
Intersection lattices of discriminantal arrangements.
Margaret M. Bayer*, University of Kansas
(90952178)

10:30 a.m.
Complex hyperplane arrangements.
Helene Barcelo*, Arizona State University
E. C. Ihrig, Arizona State University
(90952195)

Saturday March 23, 1996, 9:00 a.m.10:50 a.m.
Special Session on Nonlinear Partial Differential Equations, III
Room 341, Iowa Memorial Union/Iowa House Organizers: Lihe Wang, University of Iowa
Gerhard O. Strohmer, University of Iowa

9:00 a.m.
Weak continuity of multilinear operators and homogenization.
Sijue Wu*, Northwestern University
(90935263)

9:30 a.m.
The Plateau Problem for boundary curves with connectors.
Henry C. Wente*, University of Toledo
(90949250)

10:00 a.m.
Topological decomposition of Sobolev functions.
Ed W. Stredulinsky*, University of Wisconsin, Richland Center
Peter Michael Laurence, University of Rome La Sapienza, Italy
(90935261)

10:30 a.m.
Multidimensional diffusion waves for the NavierStokes equations of compressible flow.
David C. Hoff*, Indiana University, Bloomington
Kevin R. Zumbrun, Indiana University, Bloomington
(9093537)

Saturday March 23, 1996, 9:30 a.m.10:50 a.m.
Special Session on Current Issues in Nonlinear Conservation Laws, III
Room 253, Iowa Memorial Union/Iowa House Organizers: Suncica Canic, Iowa State University

9:30 a.m.
Mass conserving front tracking for miscible two phase flow.
Kou Kang Chang, Indiana University, Bloomington
W. Brent Lindquist*, State University of New York, Stony Brook
(9097640)

10:00 a.m.
Viscous shock profiles and postshock oscillations.
Smadar Karni*, Courant Institute of Mathematical Sciences, New York University
(90976137)

10:30 a.m.
A class of positive difference schemes for symmetrizable systems of conservation laws in any number of space dimensions.
Peter D. Lax*, Courant Institute of Mathematical Sciences, New York University
XuDong Liu, Courant Institute of Mathematical Sciences, New York University
(9097697)

Saturday March 23, 1996, 11:00 a.m.11:50 a.m.
Invited Address
Unique continuation for solutions to partial differential equations.
Auditorium, Pappajohn Business Administration Building
Daniel I. Tataru*, Northwestern University
(9093503)

Saturday March 23, 1996, 1:30 p.m.2:50 p.m.
Invited Address
Rotation sets in dynamical systems.
Auditorium, Pappajohn Business Administration Building
Michal Misiurewicz*, Indiana UniversityPurdue University, Indianapolis
(9095402)

Saturday March 23, 1996, 2:30 p.m.6:50 p.m.
Special Session on Mostly Finite Geometries, IV
Room 335, Iowa Memorial Union/Iowa House Organizers: Norman L. Johnson, University of Iowa

2:30 p.m.
Informal discussion

3:00 p.m.
Quasiregular collineation groups and related Schur rings.
Yutaka Hiramine*, University of Iowa
(9095191)

3:30 p.m.
Partial geometries and Steiner designs.
Vladimir D. Tonchev*, Michigan Technological University
(90951119)

4:00 p.m.
Blueprints for classical quadrangles and hexagons.
Michael Andrew Abramson*, Bowling Green State University
(90951225)

4:30 p.m.
The Terwilliger algebra of a generalized quadrangle.
Sylvia A. Hobart*, University of Wyoming
(90905231)

5:00 p.m.
Classification results for ovoids in $O_8^{+}(q)$.
Athula Gunawardena*, Wayne State College
(9090532)

5:30 p.m.
Morphisms of buildings and related geometries.
Peter M. Johnson*, University of London, United Kingdom
(90951248)

6:00 p.m.
Informal discussion

Saturday March 23, 1996, 2:30 p.m.6:20 p.m.
Special Session on Group Representations and Mathematical Physics, IV
Room 301, Van Allen Hall Organizers: Tuong TonThat, University of Iowa

2:30 p.m.
Geometry and analysis on nonconvex tubes.
Simon G. Gindikin*, Rutgers University, New Brunswick
(90922183)

3:00 p.m.
Invariant theory and the oscillator representation.
Kenneth I. Gross*, University of Vermont
(90922188)

3:30 p.m.
Nonlinear dynamical systems which are not integrable.
Robert Gilmore*, Drexel University
(90922222)

4:00 p.m.
Group representation theory, number theory and wavelet inverse theory.
Brian DeFacio*, University of Missouri, Columbia
Jon A. Sjogren, Bolling AFB, District of Columbia
(9092083)

4:30 p.m.
Laws of trigonometry in symmetric spaces.
Helmer Aslaksen*, National University of Singapore, Singapore
HsuehLing Huynh, AT&T Research, Murray Hill, New Jersey
(90953166)

5:00 p.m.
Generalised Casimir operators.
Helmer Aslaksen, National University of Singapore, Singapore
EngChye Tan, National University of Singapore, Singapore
ChenBo Zhu*, National University of Singapore, Singapore
(90917142)

5:30 p.m.
A new set of operatorvalued Bessel functions.
Hongming Ding*, Saint Louis University
(90922151)

6:00 p.m.
On some reciprocity theorems for infinitedimensional dual pairs of groups.
Tuong TonThat*, University of Iowa
(90922208)

Saturday March 23, 1996, 2:30 p.m.6:20 p.m.
Special Session on Commutative Ring Theory, IV
Room 256, Iowa Memorial Union/Iowa House Organizers: Daniel D. Anderson, University of Iowa

2:30 p.m.
Factorization in rings and modules.
Daniel D. Anderson, University of Iowa
Silvia ValdesLeon*, University of Southern Maine
(90913145)

3:00 p.m.
Cohomological varieties, lifting, and Tor on a complete intersection.
David Allen Jorgensen*, University of Nebraska, Lincoln
(90913117)

3:30 p.m.
Ideals of integervalued polynomial rings.
Alan Loper*, Ohio State University, Newark
(90913123)

4:00 p.m.
A strictly algebraic approach to the Jacobian Conjecture.
Eloise Ann Hamann*, San Jose State University
(9091328)

4:30 p.m.
Gaussian polynomials and content ideals.
William J. Heinzer*, Purdue University, West Lafayette
Craig L. Huneke, Purdue University, West Lafayette
(90913143)

5:00 p.m.
Gaussian polynomials and content invertibility.
Sarah Glaz*, University of Connecticut, Storrs
(9091323)

5:30 p.m.
The depth of a tensor product of modules.
Craig L. Huneke, Purdue University, West Lafayette
Roger A. Wiegand*, University of Nebraska, Lincoln
(90913140)

6:00 p.m.
An intersection condition for prime ideals.
Robert Gilmer*, Florida State University
(9091344)

Saturday March 23, 1996, 3:00 p.m.6:20 p.m.
Special Session on Moments and Operators, IV
Room 348, Iowa Memorial Union/Iowa House Organizers: Raul E. Curto, University of Iowa
Palle E. T. Jorgensen, University of Iowa
Paul S. Muhly, University of Iowa

3:00 p.m.
A general maximum entropy principle in time varying interpolation theory.
Ciprian Ilie Foias*, Indiana University, Bloomington
Arthur E. Frazho, Purdue University, West Lafayette
(90947266)

3:30 p.m.
On the multiplication of free $n$tuples of noncommutative random variables.
Alexandru M. Nica*, University of Michigan, Ann Arbor
Roland Speicher, University of Heidelberg, Germany
(90947212)

4:00 p.m.
Trigonometric moment problems for arbitrary finite subsets of $\bold Z^n$.
JeanPierre Gabardo*, McMaster University
(90942197)

4:30 p.m.
The operator of Foias and Williams: Some algebraic properties.
Srdjan Petrovic*, Indiana University, Bloomington
(90947218)

5:00 p.m.
Estimates for Banach space norms in the von Neumann algebras in the Berezin quantization of Riemann surfaces.
Florin Radulescu*, University of Iowa
(90947246)

5:30 p.m.
Multidimensional spectral theory of noncommuting operators.
Vladimir V. Kisil*, University Nacional Autonoma de Mexico, Mexico
(9094785)

6:00 p.m.
FourierStieltjes algebras of locally compact groupoids.
Martin E. Walter*, University of Colorado, Boulder
(90943103)

Saturday March 23, 1996, 3:00 p.m.5:20 p.m.
Special Session on Arrangements of Hyperplanes, IV
Room 351, Iowa Memorial Union/Iowa House Organizers: Michael J. Falk, Northern Arizona University
Richard C. Randell, University of Iowa

3:00 p.m.
Topology of the complements and geometry of finite sets of points.
Anatoly S. Libgober*, University of Illinois, Chicago
(90914186)

3:30 p.m.
Infinite arrangements and cohomology of $SL_n(Z)$.
Yining Xia*, Northern Illinois University
(9095541)

4:00 p.m.
Perversity, duality, and arrangements in $\Bbb C^3$.
David B. Massey*, Northeastern University
(90932171)

4:30 p.m.
Braid monodromy of arrangements and representations of braid groups.
Daniel C. Cohen, Louisiana State University, Baton Rouge
Alexandru I. Suciu*, Northeastern University
(90920239)

5:00 p.m.
Informal discussion

Saturday March 23, 1996, 3:00 p.m.6:20 p.m.
Special Session on Physical Knot Theory, IV
Room 346, Iowa Memorial Union/Iowa House Organizers: Jonathan K. Simon, University of Iowa
Gregory Buck, Saint Anselm's College

3:00 p.m.
Energy minimizing knots in $S^3$ and $H^3$.
Jun O'Hara*, Tokyo Metropolitan University,
(90957253)

3:30 p.m.
On the energy and length of a knot.
Gregory Buck*, Saint Anselm's College
(90957224)

4:00 p.m.
Magnetic flux tubes, elastic rods and uniformly charged loops.
Atta Y.K Chui*, University of Cambridge, United Kingdom
H. K. Moffatt, University of Cambridge, United Kingdom
(90957267)

4:30 p.m.
Cutting the knot: Reconnection in superfluids, dislocations, and flood plains.
Klaus Schwarz*, IBM T. J. Watson Research Center, Yorktown Heights, New York
(90957221)

5:00 p.m.
Knotted and linked periodic solutions to ordinary differential equations.
Robert W. Ghrist*, Cornell University
(90957228)

5:30 p.m.
Results on harmonic knots.
Aaron Keith Trautwein*, Carthage College
(90957152)

6:00 p.m.
The thickness of knots.
Rick Litherland*, Louisiana State University, Baton Rouge
Oguz C. Durumeric, University of Iowa
Jonathan K. Simon, University of Iowa
(90957269)

Saturday March 23, 1996, 3:00 p.m.5:20 p.m.
Special Session on Geometry and Cohomology, IV
Room 343, Iowa Memorial Union/Iowa House Organizers: Walter I. Seaman, University of Iowa

3:00 p.m.
Dirac operators on Clifford bundles and jointly seminormal spectra.
Mircea Martin*, University of Kansas
(90958213)

3:30 p.m.
Minimal orbits of metrics and applications.
Yoshiaki Maeda, Keio University, Japan
Steven Rosenberg, Boston University
Philippe Tondeur*, University of Illinois, UrbanaChampaign
(9095867)

4:00 p.m.
On SeibergWitten solutions.
Shuguang Wang*, University of Missouri, Columbia
(90957215)

4:30 p.m.
On the dressing action of loop groups on harmonic maps.
Hongyou Wu*, Northern Illinois University
(90953104)

5:00 p.m.
Geodesic length functions and cohomology of mapping class groups.
Yining Xia*, Northern Illinois University
(9095529)

Saturday March 23, 1996, 3:00 p.m.5:20 p.m.
Special Session on Topology of 3manifolds, IV
Room 345, Iowa Memorial Union/Iowa House Organizers: Charles Frohman, University of Iowa
YingQing Wu, University of Iowa

3:00 p.m.
Incompressible surfaces in knot exteriors.
Marc E. Culler, University of Illinois, Chicago
Peter B. Shalen*, University of Illinois, Chicago
(90957207)

3:30 p.m.
The Burau representations modulo $2$.
Daryl Cooper, University of California, Santa Barbara
David Darren Long*, University of California, Santa Barbara
(9095757)

4:00 p.m.
Minimal cusp lengths in hyperbolic $3$manifolds.
Colin C. Adams*, Williams College
(9095725)

4:30 p.m.
Almost normal surfaces in $3$manifolds.
Michelle M. Stocking*, University of California, Davis
(9095758)

5:00 p.m.
Rank, Heegaard genus, and the Meridional generator conjecture.
Steven A. Bleiler*, Portland State University
Amelia Jones, Vassar College
(90954141)

Saturday March 23, 1996, 3:00 p.m.4:50 p.m.
Special Session on Nonlinear Partial Differential Equations, IV
Room 337, Iowa Memorial Union/Iowa House Organizers: Lihe Wang, University of Iowa
Gerhard O. Strohmer, University of Iowa

3:00 p.m.
A transonic flow problem.
Yuxi Zheng*, Indiana University, Bloomington
(90982124)

3:30 p.m.
NavierStokes equations in thin three dimensional domains with various boundary conditions.
Roger Temam, Indiana University, Bloomington
Mohammed B. Ziane*, Indiana University, Bloomington
(90935167)

4:00 p.m.
Headmedia interaction in magnetic recording.
Avner Friedman, University of Minnesota, Minneapolis
Bei Hu*, University of Notre Dame
(9093510)

4:30 p.m.
Compressible flows under the influence of gravity.
Gerhard O. Strohmer*, University of Iowa
Wojciech M. Zajaczkowski, Academy of Science, Poland
(90935161)

Saturday March 23, 1996, 3:00 p.m.4:50 p.m.
Special Session on Current Issues in Nonlinear Conservation Laws, IV
Room 253, Iowa Memorial Union/Iowa House Organizers: Suncica Canic, Iowa State University

3:00 p.m.
Remarks on Mach configurations for the smalldisturbance equation.
Cathleen S. Morawetz*, Courant Institute of Mathematical Sciences, New York University
(90976109)

3:30 p.m.
Steady states of the VlasovPoissonFokkerPlanck system.
Robert T. Glassey, Indiana University, Bloomington
John W. Schaeffer, Carnegie Mellon University
Yuxi Zheng*, Indiana University, Bloomington
(90982126)

4:00 p.m.
A numerical method for a freeboundary problem arising in weak shock reflection.
Dragan Mirkovic*, Iowa State University
Suncica Canic, Iowa State University
(90976120)

4:30 p.m.
Diffraction of weak shocks: Linear and weakly nonlinear scalings.
Esteban G. Tabak*, Courant Institute of Mathematical Sciences, New York University
Ruben R. Rosales, Massachusetts Institute of Technology
(90976128)

Saturday March 23, 1996, 3:00 p.m.5:50 p.m.
Special Session on Theta Correspondences and Automorphic Forms, III
Room 347, Iowa Memorial Union/Iowa House Organizers: David C. Manderscheid, University of Iowa

3:00 p.m.
Minimal representations of exceptional $p$adic groups.
Karl E. Rumelhart*, Ohio State University, Columbus
(90911194)

3:30 p.m.
The minimal representation of $SO(4,3)$ over a local nonarchimedian field.
Julie Rina Roskies*, Stanford University
(90911173)

4:00 p.m.
Theta representations and the RankinSelberg method.
Daniel Willis Bump*, Stanford University
(90911200)

4:30 p.m.
A remark on certain periods on $GL(4)$.
Masaaki Furusawa*, Johns Hopkins University
(90911192)

5:00 p.m.
The SeigelWeil formula for the metaplectic group.
W. Jay Sweet, Jr.*, Florida International University
(90922203)

5:30 p.m.
A CauchyHarishChandra integral.
Tomasz Przebinda*, University of Oklahoma
(90922169)

Saturday March 23, 1996, 3:00 p.m.4:25 p.m.
General Session
Room 341, Iowa Memorial Union/Iowa House

3:00 p.m.
Peano postulates for a finite set.
Jack M. Anderson*, South Dakota State University
Sam F. Adli, South Dakota State University
(90903236)

3:15 p.m.
Frobenius matrix approximation with linearly singular values.
Yves Nievergelt*, Eastern Washington University
(9091589)

3:30 p.m.
Propagation of wedgeextendibility by geometric methods.
Charles A. Pehlivanian*, United States Military Academy
(9093233)

3:45 p.m.
Approximation properties of a strongly nonlinear boundaryvalue problem on unbounded domains.
Michael D. Marcozzi*, United States Military Academy
(9093586)

4:00 p.m.
Infinite bump solutions of nonlinear Schr\"odinger equations.
Neeza Thandi*, Dalhousie University
(90935185)

4:15 p.m.
A numerical clustering algorithm and some results on convexity.
Richard Andrew Holley, University of Colorado, Boulder
Jerome I. Malitz, University of Colorado, Boulder
Seth M. Malitz*, Evolving Systems, Incorporated, Boulder, Colorado
(90968129)
Inquiries: meet@ams.org

