
AMS Sectional Meeting Full Program
Current as of Tuesday, April 12, 2005 15:09:11
Program 
Deadlines 
Inquiries: meet@ams.org
Southeastern 1994 Spring Sectional Meeting
Lexington, KY, March 1819, 1994
Meeting #890
Associate secretaries: Robert J Daverman, AMS daverman@math.utk.edu
Friday March 18, 1994

Friday March 18, 1994, 8:30 a.m.10:50 a.m.
Special Session on Infinite Groups and Group Rings, I
Room 201, Business and Economics

8:30 a.m.
Using symbolic computer calculations to construct group representations.
Thomas A. Fournelle*, University of Wisconsin, Parkside
(8902054)

9:00 a.m.
Are dimension quotients D_n(G)/lower case gamma_n(G) central?
Narain Gupta*, University of Manitoba
(89020120)

9:30 a.m.
Semisimplicity of crossed products.
Derek J. S. Robinson*, University of Illinois, UrbanaChampaign
Eli Aljadeff, Israel Institute of Technology, Israel
(8902014)

10:00 a.m.
Near commutativity conditions in groups.
LuiseCharlotte Kappe*, State University of New York, Binghamton
Michael Tomkinson, University of Glasgow, United Kingdom
(8902035)

10:30 a.m.
Some nonSpecht multilinear commutator identities.
C. Kanta Gupta*, University of Manitoba
(89020119)

Friday March 18, 1994, 8:30 a.m.10:50 a.m.
Special Session on Graph Theory, I
Room 313, Business and Economics

8:30 a.m.
Alternating walks in partially 2edgecolored graphs and optimal strength of graph labeling.
Andr\'e E. K\'ezdy, University of Louisville
Chi Wang*, University of Louisville
(8900548)

9:00 a.m.
Chromatic difference sequences.
Karen L. Collins*, Wesleyan University
(8900521)

9:30 a.m.
On the ultimate normalized chromatic difference sequence of a graph.
Huishan Zhou*, Georgia State University
(8900524)

10:00 a.m.
The greatest common divisor index of a graph.
Gary Chartrand, Western Michigan University
Saba Farrokh, Western Michigan University
Wayne Goddard, University of Pennsylvania
Grzegorz Kubicki*, University of Louisville
Christina M. Mynhardt, University of South Africa, Republic of South Africa
(8900585)

10:30 a.m.
On mchromatic factorizations of complete graphs.
Gary Chartrand*, Western Michigan University
H\'ector Hevia, Universidad Cath\'olica de Valparaiso, Chile
Ortrud R. Oellermann, Brandon University
(8900552)

Friday March 18, 1994, 8:30 a.m.10:50 p.m.
Special Session on Collaborative Learning in Calculus and Precalculus, I
Room 252, Business and Economics

8:30 a.m.
Collaborative learningThe cutting edge, and more fun for everybody.
Uri Treisman*, University of California, Berkeley
(89099173)

9:00 a.m.
Achieving a diverse graduating class.
Ray Shiflett*, California Polytechnic State University
(8909825)

9:30 a.m.
Longterm benefits of collaborative learning programs: A case study.
Martin Vern Bonsangue*, California State University, Fullerton
(8909840)

10:00 a.m.
Panel Discussion on {\it Collaborative programs}, Uri Treisman, Martin Bonsangue, and Ray Shiflett

Friday March 18, 1994, 8:30 a.m.10:50 a.m.
Special Session on Homotopy Theory, I
Room 213, Business and Economics

8:30 a.m.
E_infinity module spectra over connective Ktheory.
Jerome J. Wolbert*, University of Chicago
(8905583)

9:00 a.m.
A few remarks on Hopf algebra cohomology.
John H. Palmieri*, University of Wisconsin, Madison
(89055137)

9:30 a.m.
On torsion in the cohomology of certain mapping spaces.
Nicholas J. Kuhn*, University of Virginia
Mark Winstead, University of California at San Diego, La Jolla
(8905590)

10:00 a.m.
Topological Quillen homology.
Thomas Hunter*, Swarthmore College
James McClure, Purdue University, West Lafayette
(89055126)

10:30 a.m.
Topological Hochschild homology of extensions of Z and Z/p by polynomials.
Ayelet Lindenstrauss*, University of Pennsylvania
(89055122)

Friday March 18, 1994, 8:30 a.m.10:50 a.m.
Special Session on Quantum Algebraic Geometry, I
Room 215, Business and Economics

8:30 a.m.
K3 surfaces with involution and mirror pairs of CalabiYau manifolds.
Ciprian Borcea*, Rider College
(8901439)

9:20 a.m.
Fibrations on CalabiYau threefolds.
Antonella Grassi*, University of Pennsylvania
(8901493)

10:10 a.m.
Mirror symmetry for elliptic CalabiYau threefolds with constant Jinvariant.
Mark W. Gross*, Cornell University, Ithaca
(89014144)

Friday March 18, 1994, 8:45 a.m.10:50 a.m.
Special Session on Mathematics of ManyBody Quantum Theory, I
Room 305, Business and Economics

8:45 a.m.
Introduction.
Mary Beth Ruskai*, University of Massachusetts, Lowell
(89081152)

9:00 a.m.
Essential spectrum of an nparticle Hamiltonian in a magnetic field.
Gregorij Zhislin*, Russian Academy of Sciences, Russia
(8908157)

9:30 a.m.
Limits on stability of positive molecular ions in a homogeneous magnetic field.
Simeon Vugal'ter*, Steklov Institute of Mathematics, Russia
(8908158)

10:00 a.m.
Binding of atoms and stability of molecules in ThomasFermi and Hartree models.
Isabelle Catto*, University of ParisDauphine, France
(89081115)

10:30 a.m.
Rates on convergence for the RayleighRitz variational methods.
Robert Nyden Hill*, University of Delaware
(8908175)

Friday March 18, 1994, 9:00 a.m.10:50 a.m.
Special Session on Geometric Group Theory and Metric Geometry, I
Room 208, Business and Economics

9:00 a.m.
Compactifying covers of 3manifolds.
Mike Mihalik*, Vanderbilt University
(8902036)

9:40 a.m.
Tame combings and rewriting systems for groups.
Susan M. Hermiller*, University of Melbourne, Australia
John Meier, Lafayette College
(8902037)

10:20 a.m.
Normalizers in semihyperbolic groups.
Juan M. Alonso*, Stockholm University, Sweden
(8902096)

Friday March 18, 1994, 9:00 a.m.10:50 a.m.
Special Session on Partial Differential Equations and Minimal Smoothness Conditions, I
Room 301, Business and Economics

9:00 a.m.
The Cauchy problem for nonlinear parabolic equations of very fast diffusion type.
Panagiota Daskalopoulos*, University of Minnesota, Minneapolis
Manuel Del Pino, University of Chicago
(8903567)

9:30 a.m.
Regularity of Aharmonic function.
Pekka J. Koskela, University of Michigan
Enrique Villamor, Florida International University
Juan J. Manfredi*, University of Pittsburgh
(89030149)

10:00 a.m.
Embedding theorems on various function spaces associated with degenerate vector fields and applications.
Guozhen Lu*, Wright State University
(8904679)

10:30 a.m.
Isoperimetric and Sobolev inequalities for CarnotCaratheodory metrics.
Nicola Garofalo*, Purdue University, West Lafayette
(89035172)

Friday March 18, 1994, 11:00 a.m.11:50 a.m.
Invited Address

Friday March 18, 1994, 1:30 p.m.2:20 p.m.
Invited Address
Mirror symmetry and the quantum moduli space of CalabiYau manifolds.
Room 148, Business and Economics
David R. Morrison*, Duke University
(89014154)

Friday March 18, 1994, 2:30 p.m.5:20 p.m.
Special Session on Infinite Groups and Group Rings, II
Room 201, Business and Economics

2:30 p.m.
Computer generated results on the unit groups of modular group algebras.
Donald B. Coleman, University of Kentucky
Robert Sandling*, University of Manchester, United Kingdom
(8901662)

3:00 p.m.
Semiprimitivity of group algebras.
Donald S. Passman*, University of Wisconsin, Madison
(8901606)

3:30 p.m.
Building on a counterexample to a conjecture of Hans Zassenhaus.
Peter Floodstrand Blanchard*, University of Virginia
(89020156)

4:00 p.m.
Constructing units in ZG.
S. K. Sehgal*, University of Alberta
(8901616)

4:30 p.m.
Units of infinite order in certain group rings.
Gary Thompson*, Virginia Commonwealth University
(8902009)

5:00 p.m.
On the unit conjecture and the support of units in group algebras.
Peter C. Pappas*, Vassar College
(89099170)

Friday March 18, 1994, 2:30 p.m.5:00 p.m.
Special Session on Geometric Group Theory and Metric Geometry, II
Room 208, Business and Economics

2:30 p.m.
Groups course quasiisometric to H^2 x R.
Eleanor G. Rieffel*, University of Southern California
(8902281)

3:10 p.m.
Automatic structures on extensions of F_2 by Z.
Thomas Brady*, Brigham Young University
(8902080)

3:50 p.m.
Constructing (semi) hyperbolic groups via cubical complexes.
John Meier*, Lafayette College
(8902041)

4:30 p.m.
PseudoAnsov diffeomorphisms with prescribed cubic expansions.
Richard W. Kenyon*, Centre National de la Recherche Scientifique, France
(8902042)

Friday March 18, 1994, 2:30 p.m.4:50 p.m.
Special Session on Partial Differential Equations and Minimal Smoothness Conditions, II
Room 301, Business and Economics

2:30 p.m.
Singular integrals and parabolic PDE.
Steve Hofmann*, Wright State University
(8904219)

3:00 p.m.
Boundary value problems for the Maxwell system.
Marius Mitrea*, University of South Carolina, Columbia
(8903533)

3:30 p.m.
Transmission problems in electromagnetism.
Rodolfo H. Torres*, University of Michigan, Ann Arbor
(8903555)

4:00 p.m.
Third derivative estimates for Dirichlet's problem in convex domains.
Stephen J. Fromm*, McMaster University
David Jerison, Massachusetts Institute of Technology
(8903597)

4:30 p.m.
Parabolic equations with coefficients in Morrey spaces.
Gary M. Lieberman*, Iowa State University
(89035145)

Friday March 18, 1994, 2:30 p.m.6:00 p.m.
Special Session on Graph Theory, II
Room 313, Business and Economics

2:30 p.m.
Forbidden subgraphs and Hamiltonian properties.
Ralph Faudree*, Memphis State University
Zdenek Ryjacek, University of West Bohemia, Czech Federal Republic
Ingo Schiermeyer, Technische Hochsuchule Aachen, Germany
(8900577)

3:00 p.m.
The transfer matrix method for counting cycles and paths on grid graphs.
Y. H. Harris Kwong*, State University of New York, College at Fredonia
D. G. Rogers, The University, Aberdeen, United Kingdom
(8900563)

3:30 p.m.
Large enough rectangles can be tiled, but how large is "enough"?
Darren A. Narayan, State University of New York, Binghamton
Allen J. Schwenk*, Western Michigan University
(8900550)

4:00 p.m.
Graph rigidity and connectivity.
D. S. Franzblau*, Rutgers University, Piscataway
(8900569)

4:30 p.m.
Extremal graphs for intersecting triangles.
P. Erd\"os, Hungarian Academy of Science, Hungary
Z. F\"uredi, University of Illinois, UrbanaChampaign
R. J. Gould*, Emory University
D. S. Gunderson, Emory University
(8900529)

5:00 p.m.
Problem session

Friday March 18, 1994, 2:30 p.m.5:50 p.m.
Special Session on Collaborative Learning in Calculus and Precalculus, II
Room 252, Business and Economics

2:30 p.m.
Collaborative learning in calculus and precalculus.
Peter U. Georgakis*, Santa Barbara City College
(8909827)

3:00 p.m.
Discussion

3:30 p.m.
Mathematical collaborative learning at Shoreline Community College.
Carl Main*, Shoreline Community College
(89098114)

4:00 p.m.
Discussion

4:30 p.m.
Unique university/high school collaboration increases mathematics access.
Roberta L. Dees*, University of Illinois, Chicago
(8909732)

5:00 p.m.
Panel Discussion on {\it Collaborative workshops}, Roberta Dees and Michael Freeman.

Friday March 18, 1994, 2:30 p.m.4:50 p.m.
Special Session on Inverse Spectral Problems: Theory and Computation, I
Room 306, Business and Economics

2:30 p.m.
Using eigenvalues to detect coefficient singularities.
Robert Carlson*, University of Colorado, Colorado Springs
(8903434)

3:00 p.m.
A finite difference algorithm for an inverse SturmLiouville problem.
Roger Knobel, University of TexasPan American
Richard Fabiano, Jr., Texas A & M University, College Station
Bruce Lowe*, Texas A & M University, College Station
(8903411)

3:30 p.m.
Asymptotics for natural frequencies and mode shapes for vibrating, rectangular membranes.
Ole H. Hald, University of California, Berkeley
Joyce R. McLaughlin*, Rensselaer Polytechnic Institute
(89035151)

4:00 p.m.
The spectral theory of a fourthorder periodic eigenvalue problem.
Vassilis G. Papanicolaou*, Wichita State University
(89034105)

4:30 p.m.
Inverse boundary value problems for first order perturbations of the Laplacian.
Gunther Uhlmann*, University of Washington
(89035104)

Friday March 18, 1994, 2:30 p.m.5:50 p.m.
Special Session on Homotopy Theory, II
Room 213, Business and Economics

2:30 p.m.
Local Dickson invariants.
Dan Arnon*, Massachusetts Institute of Technology
(89055121)

3:00 p.m.
Algebraic elements of Pic_n.
Mark Mahowald, Northwestern University
Hal Sadofsky*, Johns Hopkins University
(89055128)

3:30 p.m.
The cohomology of finitedimensional Hopf algebras.
Anetta Bajer*, Pennsylvania State University, Reading
Hal Sadofsky, Johns Hopkins University
(89055135)

4:00 p.m.
Commutative algebra in equivariant stable homotopy theory.
J. P. May*, University of Chicago
(89055131)

4:30 p.m.
Looping BousfieldKan towers.
James M. Turner*, Massachusetts Institute of Technology
(8905561)

5:00 p.m.
THH of A_infinity and E_infinity ring spectra revisited.
A. D. Elmendorf*, Purdue University, Calumet Campus
(8901908)

5:30 p.m.
Hybrid spaces with interesting cohomology.
Kathryn Lesh*, University of Toledo
(89055138)

Friday March 18, 1994, 2:30 p.m.6:30 p.m.
Special Session on Quantum Algebraic Geometry, II
Room 215, Business and Economics

2:30 p.m.
Mirror symmetry for hypersurfaces in weighted projective space and topological couplings.
Per Berglund*, Institute for Advanced Study
Sheldon Katz, Oklahoma State University
(8901495)

3:20 p.m.
The nonlinear K\"ahler form in quantum geometry.
Paul S. Aspinwall*, Institute for Advanced Study
(8901468)

4:10 p.m.
Discussion

5:00 p.m.
On WeilPetersson completions of moduli spaces of CalabiYau manifolds.
Paul S. Green, University of Maryland, College Park
Yoshiko Hayakawa*, University of Maryland, College Park
(8901484)

5:50 p.m.
Quantum cohomology and mirror symmetry for a hypersurface in a toric variety.
M. Ronen Plesser*, Institute for Advanced Study
(8901494)

Friday March 18, 1994, 2:30 p.m.5:20 p.m.
Special Session on Mathematics of ManyBody Quantum Theory, II
Room 305, Business and Economics

2:30 p.m.
Local properties of coulombic wave functions.
M. HoffmannOstenhof*, University of Wien, Austria
T. HoffmannOstenhof, Vienna University, Austria
H. Stremnitzer, University of Wien, Austria
(8908198)

3:00 p.m.
Solutions of Schrodinger equations that decay superexponentially fast.
Jaime Cruz*, Universidad de las Americas, Mexico
(8903560)

3:30 p.m.
Regularity properties of the zero set of solutions to Schr\"odinger equations.
T. HoffmannOstenhof*, Vienna University, Austria
M. HoffmannOstenhof, University of Wien, Austria
N. Nadirashvili, Academy of Sciences of the USSR, Moscow
(8903582)

4:00 p.m.
Magnetic LiebThirring inequalities.
L\'aszl\'o Erd\"os*, Princeton University
(8908107)

4:30 p.m.
Localization for the wave equation in random media.
J. M. Combes, University of Toulon, France
P. D. Hislop, University of Kentucky
C. A. Shubin*, California State University, Northridge
A. Tip, Instituut voor Atoom en Moolecuulfysia, Netherlands
(89080163)

5:00 p.m.
Localisation of wave functions near a critical value of the energy.
Thierry Paul*, University of ParisDauphine, France
(89081157)
Saturday March 19, 1994

Saturday March 19, 1994, 8:00 a.m.10:50 a.m.
Special Session on Collaborative Learning in Calculus and Precalculus, III
Room 252, Business and Economics

8:00 a.m.
An applied Treisman style calculus intervention at a coop university.
Maurice Gilmore*, Northeastern University
(8909823)

8:30 a.m.
Enrichment programs in calculus.
Joseph Egar, Cleveland State University
Sherwood Silliman*, Cleveland State University
Bhushan Wadhwa, Cleveland State University
(8909828)

9:00 a.m.
Discussion

9:30 a.m.
Potential impact that a collaborative learning program can have throughout campus.
Paul R. McCreary*, University of Illinois, UrbanaChampaign
(8909876)

10:00 a.m.
Wisconsin emerging scholars program.
Michael Bleicher*, University of Wisconsin, Madison
(8909899)

10:30 a.m.
Discussion

Saturday March 19, 1994, 8:00 a.m.9:55 a.m.
General Session
Room 215, Business and Economics

8:00 a.m.
Fivefold loop spaces with trivial DyerLashof and Browder operations.
Mark Foskey*, University of California at San Diego, La Jolla
(8905546)

8:15 a.m.
The mixed harmonious Ramsey number.
David Moser*, Manchester College
(89005107)

8:30 a.m.
A generalization of the Liouville's theorem on elementary functions.
N. V. Rao*, University of Toledo
(8901287)

8:45 a.m.
Wave polynomials.
Allan Fryant*, Greensboro College
M. K. Vemuri, University of Chicago
(8903518)

9:00 a.m.
Manifold with the structure satisfying F^K+1  a^2 F^K1 = 0.
Lovejoy Das*, Kent State University
(89053110)

9:15 a.m.
Convergence problems for partially observed stochastic games.
Kandethody Ramachandran*, University of South Florida
(89060109)

9:30 a.m.
On the numerical stability of Volterra integral equations with several delays.
Baruch Cahlon*, Oakland University
(89065108)

9:45 a.m.
Preparing instructors for the collaborative learning environment.
Bradford J. Kline*, University of Illinois, UrbanaChampaign
(8909892)

Saturday March 19, 1994, 8:30 a.m.10:50 a.m.
Special Session on Infinite Groups and Group Rings, III
Room 201, Business and Economics

8:30 a.m.
The generalized Wielandt subgroup of a group.
James C. Beidleman, University of Kentucky
Martyn R. Dixon*, University of Alabama
Derek J. S. Robinson, University of Illinois, UrbanaChampaign
(8902002)

9:00 a.m.
A new characterization of totally projective groups.
Paul Hill*, Auburn University, Auburn
(8902047)

9:30 a.m.
On periodic products of groups.
Sergei Ivanov*, University of Illinois, UrbanaChampaign
(8902031)

10:00 a.m.
Relation modules of infinite groups.
Martin J. Evans*, University of Alabama
(89020102)

10:30 a.m.
The isomorphism problem for cyclically pinched onerelator groups.
Gerhard Rosenberger*, University of Dortmund, Germany
(8902010)

Saturday March 19, 1994, 8:30 a.m.10:50 a.m.
Special Session on Graph Theory, III
Room 313, Business and Economics

8:30 a.m.
The median procedure on median graphs.
F. R. McMorris*, University of Louisville
Henry Martyn Mulder, Erasmus University, The Netherlands
Fred S. Roberts, Rutgers University, New Brunswick
(8900515)

9:00 a.m.
Venn diagrams and Venn graphs.
Kiran B. Chilakamarri, Central State University
Peter Hamburger, Indiana UniversityPurdue University, Ft.\ Wayne
Raymond E. Pippert*, Indiana UniversityPurdue University, Ft.\ Wayne
(8900553)

9:30 a.m.
Generation of trees with fixed height and bounded degree.
Kathleen A. McKeon*, Connecticut College
(89005101)

10:00 a.m.
Using graph theory in statistics.
Terry McKee*, Wright State University
(8900503)

10:30 a.m.
Nonmonotonic logicsapplications to graph theory.
Miroslaw Truszczynski*, University of Kentucky
(8900530)

Saturday March 19, 1994, 8:30 a.m.10:50 a.m.
Special Session on Homotopy Theory, III
Room 213, Business and Economics

8:30 a.m.
Duals of Thom complexes.
Robert R. Bruner*, Wayne State University
(89055125)

9:00 a.m.
Complex oriented cohomology of covers of BU.
Neil Strickland*, Massachusetts Institute of Technology
(89055127)

9:30 a.m.
Tate cohomology for arbitrary groups.
Guido Mislin*, Eidgen Technische Hochschule, Switzerland
(8901870)

10:00 a.m.
The mod p Ktheory of cap omega^kS^2n+1).
Lisa Langsetmo*, Wayne State University
(8905591)

10:30 a.m.
A generalization of Swan's theorem.
John R. Martino*, Western Michigan University
Stewart B. Priddy, Northwestern University
(89055123)

Saturday March 19, 1994, 8:30 a.m.10:50 a.m.
Special Session on Quantum Algebraic Geometry, III
Room 215, Business and Economics

8:30 a.m.
The mirror symmetry of nfolds with K=) may nevertheless be trivial.
Tristan H\"ubsch*, Howard University
(89014140)

9:20 a.m.
Duality symmetries in string theory.
Xenia C. de la Ossa*, Institute for Advanced Study
(89014147)

10:10 a.m.
Less is more: On the moduli space of (0,2) SCFTs.
Jacques Distler*, Princeton University
(89014160)

Saturday March 19, 1994, 8:30 a.m.10:50 a.m.
Special Session on Mathematics of ManyBody Quantum Theory, III
Room 305, Business and Economics

8:30 a.m.
Number theory, atoms and classical mechanics.
Luis A. Seco*, University of Toronto
(8908138)

9:00 a.m.
Asymptotic completeness for Nparticle long range systems in constant magnetic fields.
Izabella \L aba*, University of Toronto
(8907871)

9:30 a.m.
Geometric methods in inverse scattering theory.
Ricardo Weder*, IIMASUNAM, Mexico
(8903574)

10:00 a.m.
Perturbation theory for the Schrodinger operator with a periodic potential.
Yulia E. Karpeshina*, Saint Petersburg State University, Russia
(8908156)

10:30 a.m.
SegalBargmann transform in L^p spaces.
Stephen B. Sontz*, University of Virginia
(8908159)

Saturday March 19, 1994, 9:00 a.m.10:50 a.m.
Special Session on Geometric Group Theory and Metric Geometry, III
Room 208, Business and Economics

9:00 a.m.
An ultrapumping lemma with applications to negatively curved groups.
Kim Ruane*, Florida State University
(89020116)

9:40 a.m.
Infinite dimensional boundaries of negatively curved spaces.
Eric Lewis Swenson*, Michigan Tech University
(89020171)

10:20 a.m.
Metrics on infinite dimensional groups.
Conrad Plaut*, University of Tennessee
(8902889)

Saturday March 19, 1994, 9:00 a.m.10:50 a.m.
Special Session on Partial Differential Equations and Minimal Smoothness Conditions, III
Room 301, Business and Economics

9:00 a.m.
Regularity of solutions to the Schr\"odinger equation.
Jiaping Zhong*, University of Texas, Austin
(89035112)

9:30 a.m.
Uniqueness in the Cauchy problems for higher order elliptic differential operators.
Wensheng Wang*, University of Chicago
(8903566)

10:00 a.m.
Boundary uniqueness for solutions of parabolic equations in nonsmooth domains.
Carlos E. Kenig*, University of Chicago
(89035166)

10:30 a.m.
Estimates for elliptic PDE in cones.
Gregory Verchota*, Syracuse University
Jill Pipher, Brown University
(89035150)

Saturday March 19, 1994, 9:00 a.m.10:50 a.m.
Special Session on Inverse Spectral Problems: Theory and Computation, II
Room 306, Business and Economics

9:00 a.m.
On identification of nonlinear modal interactions in response dominated by linear behavior.
Suzanne Weaver Smith*, University of Kentucky
(89093134)

9:30 a.m.
Determining coefficients using multiple input sources.
Bruce Lowe, Texas A & M University, College Station
William Rundell*, Texas A & M University, College Station
(89035143)

10:00 a.m.
Mathematical foundations of the holedrilling method for evaluation of residual stress.
ChiSing Man*, University of Kentucky
(89073146)

10:30 a.m.
Reconstruction of a general second order elliptic operator via incomplete boundary spectral data.
Alexander Katchalov*, University of Kentucky
(8903565)

Saturday March 19, 1994, 9:30 a.m.10:50 a.m.
Special Session on Elliptic Genera and Elliptic Cohomology, I
Room 206, Business and Economics

9:30 a.m.
HP^2bundles and elliptic homology.
Matthias Kreck, University of Mainz, Germany
Stephan Stolz*, University of Notre Dame
(89055165)

10:00 a.m.
Some new results on elliptic genus.
Kefeng Liu*, Massachusetts Institute of Technology
(89055159)

10:30 a.m.
Discussion

Saturday March 19, 1994, 11:00 a.m.11:50 a.m.
Invited Address

Saturday March 19, 1994, 1:30 p.m.2:20 p.m.
Invited Address

Saturday March 19, 1994, 2:30 p.m.4:50 p.m.
Special Session on Infinite Groups and Group Rings, IV
Room 201, Business and Economics

2:30 p.m.
Groups rich in finite quotients.
Vonn Walter*, University of Illinois, UrbanaChampaign
(8902012)

3:00 p.m.
Images of periodic linear groups.
Richard E. Phillips*, Michigan State University
(8902001)

3:30 p.m.
The automorphism tower problem revisited.
Simon Thomas*, Rutgers University, New Brunswick
(8902004)

4:00 p.m.
Groups with few conjugacy classes of insoluble subgroups.
Howard Smith*, Bucknell University
(8902005)

4:30 p.m.
nfree groups and the model theory of free groups.
Benjamin Fine*, Fairfield University
Anthony Gaglione, U. S. Naval Academy
Gerhard Rosenberger, University of Dortmund, Germany
Dennis Spellman, Philadelphia, Pennsylvania
(89020118)

Saturday March 19, 1994, 2:30 p.m.4:20 p.m.
Special Session on Geometric Group Theory and Metric Geometry, IV
Room 208, Business and Economics

2:30 p.m.
CAT(O) reflection manifolds.
F. D. Ancel, University of Wisconsin, Milwaukee
M. W. Davis, Ohio State University, Columbus
C. R. Guilbault*, University of Wisconsin, Milwaukee
(89053132)

3:10 p.m.
CAT(O) 4manifolds with a tame point are Euclidean.
Paul Thurston*, Cornell University, Ithaca
(8905773)

3:50 p.m.
Cut points in the boundary of negatively curved groups.
Philip L. Bowers*, Florida State University
(89020117)

Saturday March 19, 1994, 2:30 p.m.5:20 p.m.
Special Session on Partial Differential Equations and Minimal Smoothness Conditions, IV
Room 301, Business and Economics

2:30 p.m.
Variance of the lifetime of conditioned Brownian motion, and the heat kernel.
Burgess Davis*, Purdue University, West Lafayette
(89035111)

3:00 p.m.
The L^p Dirichlet problem for elliptic operators with nonsmooth coefficients.
Nancy Lim*, University of Chicago
(89035100)

3:30 p.m.
The vibrations of the Koch snowflake drum.
Michel L. Lapidus*, University of California, Riverside
(89035113)

4:00 p.m.
An inequality of Norman Meyer's for the heat equation and an improved Fatou theorem.
Caroline Sweezy*, New Mexico State University, Las Cruces
(89035133)

4:30 p.m.
Variational integrals coercive in the mean.
Tadeusz Iwaniec*, Syracuse University
(89035161)

5:00 p.m.
Hcouples and L_pHodge theory.
Chad Scott*, Syracuse University
(89035162)

Saturday March 19, 1994, 2:30 p.m.5:20 p.m.
Special Session on Graph Theory, IV
Room 313, Business and Economics

2:30 p.m.
Which shortchorded graphs are balanced? Perfect?
Olivia M. Carducci*, Lafayette College
(8900551)

3:00 p.m.
Privacy and irredundance in graphs.
S. M. Hedetniemi, Clemson University
S. T. Hedetniemi*, Clemson University
A. A. McRae, Clemson University
W. D. Weakley, Indiana UniversityPurdue University, Ft.\ Wayne
(8900549)

3:30 p.m.
The toughness of cubic graphs.
Wayne Goddard*, University of Pennsylvania
(8900544)

4:00 p.m.
On the product of the independence domination number of a graph and its complement.
E. J. Cockayne, University of Victoria
Gerd H. Fricke*, Wright State University
C. M. Mynhardt, University of South Africa, Republic of South Africa
(8900586)

4:30 p.m.
A problem in domination.
Guantao Chen, North Dakota State University
Michael S. Jacobson*, University of Louisville
(8900545)

5:00 p.m.
Induced cycles between consecutive ranks of the Boolean algebra.
Michael S. Jacobson, University of Louisville
Andr\'e E. K\'ezdy*, University of Louisville
(8900543)

Saturday March 19, 1994, 2:30 p.m.4:20 p.m.
Special Session on Collaborative Learning in Calculus and Precalculus, IV
Room 252, Business and Economics

2:30 p.m.
Initiating an intervention project for underrepresented students.
William A. Hawkins*, University of the District of Columbia
(89099174)

3:00 p.m.
Panel Discussion on {\it Funding for special projects}, Bill Hawkins and Michael Freeman.

Saturday March 19, 1994, 2:30 p.m.5:00 p.m.
Special Session on Inverse Spectral Problems: Theory and Computation, III
Room 306, Business and Economics

2:30 p.m.
A boundary determination problem from the design of periodic diffractive structures.
David C. Dobson*, Texas A & M University, College Station
(89035103)

3:00 p.m.
Some uniqueness theorems related to inverse spectral problems.
Ziqi Sun*, Wichita State University
(8903520)

3:30 p.m.
Energy theorems and bounds is linearized elasticity with residual stress.
F. George Abatt, University of Illinois, UrbanaChampaign
Donald E. Carlson*, University of Illinois, UrbanaChampaign
(8907313)

4:00 p.m.
On the sensitivity of an identification technique in structural diagnostic problems.
Cesare Davini*, University of Udine, Italy
(89073106)

4:30 p.m.
Inverse boundary problem for a general second order elliptic operator.
Yaroslav Kurylev*, Purdue University, West Lafayette
(8903464)

Saturday March 19, 1994, 2:30 p.m.6:30 p.m.
Special Session on Quantum Algebraic Geometry, IV
Room 215, Business and Economics

2:30 p.m.
Theta functions of CalabiYau integrable systems.
Ron Donagi*, University of Pennsylvania
(89014148)

3:20 p.m.
Calculation of GromovWitten invariants via excess intersection theory.
Sheldon Katz*, Oklahoma State University, Stillwater
(89014130)

4:10 p.m.
Discussion

5:00 p.m.
A mathematics theory of quantum cohomology.
Yongbin Ruan*, University of Utah
Gang Tian, Courant Institute of Mathematical Sciences, New York University
(89053139)

5:50 p.m.
Quantum field theory methods in counting holomorphic curves.
Michael Bershadsky*, Harvard University
(89014141)

Saturday March 19, 1994, 2:30 p.m.4:20 p.m.
Special Session on Elliptic Genera and Elliptic Cohomology, II
Room 209, Business and Economics

2:30 p.m.
The fixedpoint formula on loop spaces as an isogeny formula, and its relationship to the Tate curve.
Matthew Ando*, University of Virginia
(8905588)

3:00 p.m.
The cobordism spectrum MO(8).
Mark Hovey*, University of Kentucky
Doug Ravenel, University of Rochester
(8905572)

3:30 p.m.
Group actions and higher Dirac operators.
Tianjun Li*, Brandeis University
(89057164)

4:00 p.m.
On the rigidity of higher elliptic genera.
Donggeng Gong*, University of Chicago
Kefeng Liu, Massachusetts Institute of Technology
(89058129)

Saturday March 19, 1994, 2:30 p.m.3:50 p.m.
Special Session on Mathematics of ManyBody Quantum Theory, IV
Room 305, Business and Economics

2:30 p.m.
On the existence of monotonic fronts for a class of physical problems described by the equation lambda u ''' + u' = f(u).
Rafael D. Benguria*, Pontificia University Catolica, Chile
M. Christina Depassier, Pontificia University Catolica, Chile
(89034142)

3:00 p.m.
On classical linear wave equations in pulsating bounded domains.
P. Duclos*, Universit'e de Toulon et du Var, France
J. Dittrich, Nuclear Physics Institute, Czech Federal Republic
P. \v Seba, Nuclear Physics Institute, Czech Federal Republic
(89081155)

3:30 p.m.
Effective masses and the inverse problem for the Hill operator.
P. Kargaev, University of Saint Petersburg, Russia
E. Korotyaev*, Saint Petersburg Electrotech Institute, Russia
(89081153)

Saturday March 19, 1994, 3:30 p.m.5:50 p.m.
Special Session on Homotopy Theory, IV
Room 213, Business and Economics

3:30 p.m.
Postnikov towers of E_infinity ring spectra with an application to BP.
I. Kriz*, Chicago University
(8905522)

4:00 p.m.
An equivariant van Kampen spectral sequence.
Michele Intermont*, University of Notre Dame
(8905517)

4:30 p.m.
Some remarks on Shimomura and Yabe's calculation of Pi_* (L_2S^o).
Mark Mahowald*, Northwestern University
(8905778)

5:00 p.m.
The L_2localization of the fiber of the double suspension.
Robert D. Thompson*, Hunter College, City University of New York
(89055136)

5:30 p.m.
Equivariant KKtheory from a homotopy theoretic point of view.
Crichton Ogle*, Ohio State University, Columbus
Paul Baum, Pennsylvania State University, University Park
Nigel Higson, Pennsylvania State University, University Park
(89046124)
Inquiries: meet@ams.org

