AMS Sectional Meeting Full Program
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Program 
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1995 Spring Eastern Sectional Meeting
Hartford, CT, March 35, 1995
Meeting #898
Associate secretaries:
Lesley M Sibner, AMS
lsibner@duke.poly.edu
Friday March 3, 1995

Friday March 3, 1995, 1:00 p.m.5:30 p.m.
Special Session on Geometric Function Theory, I
Room 202203, School of Social Work

1:00 p.m.
The jinvariant for punctured tori.
Irwin Kra*, State University of New York, Stony Brook
(8983022)

2:00 p.m.
Algorithms, complexity and discreteness criteria in PSL(2,C).
Jane Gilman*, Rutgers University, Newark
(8986862)

2:45 p.m.
Break

3:00 p.m.
Geometric limits of punctured torus groups.
Yair N. Minsky*, State University of New York, Stony Brook
(8983099)

4:30 p.m.
Informal Discussion
Saturday March 4, 1995

Saturday March 4, 1995, 8:25 a.m.10:45 a.m.
Special Session on Cayley Graphs and Computation, I
Room 217, Undergraduate Building

8:25 a.m.
Cayley graphs: From surface actions to bellringing.
Andrew J. Woldar*, Villanova University
(89805122)

9:15 a.m.
Spectral bounds on the geometry of Cayley graphs.
John D. Lafferty*, Carnegie Mellon University
(89805100)

10:05 a.m.
Optimal cycle codes constructed from Ramanujan graphs.
J. P. Tillich*, University of British Columbia
G. Z\'emor, Ecole Nationale Superieure, France
(89894111)

Saturday March 4, 1995, 8:30 a.m.10:50 a.m.
Special Session on Enumerative Geometry, Toric Varieties and Mirror Symmetry, I
Room 212, Undergraduate Building

8:30 a.m.
Arithmetic of CalabiYau diagonal hypersurfaces.
Noriko Yui*, Queen's University
Fernando Quadros Gouv\^ea, Colby College
(8981458)

9:00 a.m.
Deforming CalabiYau threefolds.
Mark W. Gross*, Cornell University, Ithaca
(8981470)

9:30 a.m.
Cubics, integrable systems, and CalabiYau threefolds.
Ron Donagi, University of Pennsylvania
Eyal Markman*, University of Michigan, Ann Arbor
(8981469)

10:00 a.m.
On quantum cohomology of surfaces.
Antonella Grassi*, University of Pennsylvania
(8981474)

10:30 a.m.
Toric residues.
David A. Cox*, Amherst College
(8981477)

Saturday March 4, 1995, 8:30 a.m.10:50 a.m.
Special Session on Commutative Algebra, I
Room 208, Undergraduate Building

8:30 a.m.
Some factorization properties of the ring of integervalued polynomials.
David F. Anderson*, University of Tennessee, Knoxville
PaulJean Cahen, Faculty de Science de St Jerome, France
Scott Thomas Chapman, Trinity University
William W. Smith, University of North Carolina, Chapel Hill
(8981307)

9:00 a.m.
Prime ideals in birational extensions of polynomial rings.
William J. Heinzer, Purdue University, West Lafayette
David Lantz, Colgate University
Sylvia M. Wiegand*, University of Nebraska, Lincoln
(8981396)

9:30 a.m.
For torsionfree Abelian groups of finite rank, any exact duality is Warfield duality.
Charles I. Vinsonhaler*, University of Connecticut, Storrs
William Wickless, University of Connecticut, Storrs
Theodore G. Faticoni, Fordham University
(8982063)

10:00 a.m.
Complexities of commutative algebras.
Wolmer V. Vasconcelos*, Rutgers University, New Brunswick
(8981332)

10:30 a.m.
Flat covers over commutative Noetherian rings.
Jinzhong Xu*, University of Kentucky
(8981324)

Saturday March 4, 1995, 8:30 a.m.10:50 a.m.
Special Session on Nonlinear Boundary Value Problems, I
Room 216, Undergraduate Building

8:30 a.m.
Exact multiplicity results for nonvariational boundary value problems.
Philip Korman*, University of Cincinnati
(8983465)

9:00 a.m.
Existence and multiplicity results on a singular boundary value problem.
Y. S. Choi*, University of Connecticut, Storrs
Alan C. Lazer, University of Miami
P. Joseph McKenna, University of Connecticut, Storrs
(89835107)

9:30 a.m.
Uniqueness of solution to a quasilinear elliptic BVP.
Alan V. Lair, Air Force Institute of Technology
Aihua W. Shaker*, Air Force Institute of Technology
(8983521)

10:00 a.m.
Radial symmetry of large solutions of nonlinear elliptic equations.
Steven D. Taliaferro*, Texas A & M University, College Station
(8983535)

10:30 a.m.
A boundary value problem arising from the unsteady transonic small disturbance equation.
Sun\v ci\v ca \v Cani\v c*, Iowa State University
Barbara L. Keyfitz, University of Houston, Downtown
(89835108)

Saturday March 4, 1995, 8:30 a.m.10:50 a.m.
Special Session on Geometric Methods in Mathematical Physics, I
Room 211, Undergraduate Building

8:30 a.m.
Modular invariance and the vanishing theorems in topology.
Kefeng Liu*, Massachusetts Institute of Technology
(89855156)

9:00 a.m.
Symplectic cuttings and a glueing formula of geometric quantization.
Siye Wu*, Columbia University
(89858128)

9:30 a.m.
Twodimensional sigma models in fourdimensional YangMills.
Vladimir Sadov*, Harvard University
(89881103)

10:00 a.m.
Remarks on symplectic invariants.
Thomas H. Parker*, Michigan State University
(8985385)

10:30 a.m.
ChernSimons perturbation theory with a moduli space.
Scott Axelrod*, Massachusetts Institute of Technology
(89858101)

Saturday March 4, 1995, 8:30 a.m.10:50 a.m.
Special Session on Ergodic Theory, I
Room 311, Undergraduate Building

8:30 a.m.
$\B d$ topological entropy and pressure for amenable group actions.
O. Bradley Bassler*, Wesleyan University
(8982804)

9:00 a.m.
Unimodal interval maps with no sigmafinite invariant measure absolutely continuous with respect to Lebesgue measure.
Jane M. Hawkins*, University of North Carolina, Chapel Hill
Henk Bruin, University of ErlangenNurnberg, Germany
(8982845)

9:30 a.m.
The tail field and the complete orbit structure of a Borel endomorphism.
Dorothy Maharam*, Northeastern University
(8982851)

10:00 a.m.
A family of generalized Riesz products.
A. H. Dooley, University of New South Wales, Australia
S. J. Eigen*, Northeastern University
(8982880)

10:30 a.m.
Flows on homogeneous spaces.
David Witte*, Williams College
(89858129)

Saturday March 4, 1995, 9:00 a.m.10:45 a.m.
Special Session on Geometric Function Theory, II
Room 202203, School of Social Work

9:00 a.m.
Projective structures on Riemann surfaces.
Albert Marden*, University of Minnesota, Minneapolis
(8983034)

10:00 a.m.
Homotopy equivalences of 3manifolds and deformation theory of Kleinian groups.
Richard D. Canary*, University of Michigan, Ann Arbor
Darryl McCullough, University of Oklahoma
(89857137)

Saturday March 4, 1995, 9:00 a.m.10:50 a.m.
Special Session on Moduli Spaces, Operads and Representation Theory, 1
Room 308, Undergraduate Building

9:00 a.m.
The cyclohedra for the compactification of configuration spaces of the circle.
Jim Stasheff*, University of North Carolina, Chapel Hill
(89816135)

9:40 a.m.
Modular operads.
Ezra Getzler*, Massachusetts Institute of Technology
(8985889)

10:20 a.m.
Representations of finite upper triangular groups.
A. A. Kirillov*, University of Pennsylvania
(89820120)

Saturday March 4, 1995, 9:00 a.m.10:30 a.m.
Contributed Paper Session, I
Room 304, Undergraduate Building

9:00 a.m.
Moduli of higher spin curves.
Tyler J. Jarvis*, Mississippi State University
(8981426)

9:20 a.m.
Nonsquare determinants.
Vladimir Shpilrain*, Ruhr University, Germany
(8981905)

9:40 a.m.
Free subgroups of SO(3,Q) and SL(2,Z).
Guoyang Liu*, Wesleyan University
Lewis C. Robertson, Wesleyan University
(8982016)

10:00 a.m.
Some examples of computational coordinates for finite 2groups.
Jocelyn Quaintance*, Wesleyan University
Lewis C. Robertson, Wesleyan University
(8982017)

10:20 a.m.
Duality between locally mconvex algebras and completely regular spaces.
Domenico Rosa*, Teikyo Post University
(8984654)

Saturday March 4, 1995, 11:00 a.m.11:50 a.m.
Invited Address
Problems with obstacles.
Auditorium, Auditorium
Nina N. Uraltseva*, Saint Petersburg State University, Russia
(8983525)

Saturday March 4, 1995, 1:30 p.m.2:20 p.m.
Invited Address
Topological methods in representation theory.
Auditorium, Auditorium
Kari Vilonen*, Brandeis University
(89822121)

Saturday March 4, 1995, 2:30 p.m.5:30 p.m.
Special Session on Geometric Function Theory, III
Room 202203, School of Social Work

2:30 p.m.
Iteration of the Nielsen extension map.
Clifford J. Earle*, Cornell University, Ithaca
(89830109)

3:30 p.m.
Algebraic and geometric limits of sequences of Kleinian groups.
James W. Anderson*, Rice University
(8985787)

4:30 p.m.
Informal Discussion

Saturday March 4, 1995, 2:30 p.m.5:30 p.m.
Special Session on Enumerative Geometry, Toric Varieties and Mirror Symmetry, II
Room 212, Undergraduate Building

2:30 p.m.
Rational curves on singular toric varieties.
Martin A. Guest*, University of Rochester
(8981441)

3:00 p.m.
Quaternionic toric varieties.
Richard Scott*, Ohio State University, Columbus
(8981471)

3:30 p.m.
The Todd class of a toric variety.
James E. Pommersheim*, Massachusetts Institute of Technology
(89814148)

4:00 p.m.
Involutions on toric varieties.
Ciprian Borcea*, Rider University
(8981447)

4:30 p.m.
On the Euler characteristic of nongeneral degeneracy loci.
Lars J. Ernstrom*, Ohio State University, Mansfield
(8981473)

5:00 p.m.
Rational curves of degree at most 9 on the generic quintic threefold.
Steven L. Kleiman*, Massachusetts Institute of Technology
Trygve Johnsen, University of Tromso, Norway
(8981478)

Saturday March 4, 1995, 2:30 p.m.4:50 p.m.
Special Session on Commutative Algebra, II
Room 208, Undergraduate Building

2:30 p.m.
The BaerKaplansky Theorem for a class of global mixed groups.
Steven T. Files, University of Connecticut, Storrs
William Wickless*, University of Connecticut, Storrs
(8982012)

3:00 p.m.
Irreducibility of polynomials.
Joe L. Mott*, Florida State University
(8981383)

3:30 p.m.
The prime spectrum of polynomial rings.
Stephen J. McAdam, University of Texas, Austin
Chandni Shah*, University of California, Riverside
(8981397)

4:00 p.m.
Finiteness theorems for Picard groups.
Robert M. Guralnick, University of California, Los Angeles
David B. Jaffe, University of Nebraska, Lincoln
W. Raskind, University of California, Los Angeles
Roger A. Wiegand*, University of Nebraska, Lincoln
(8981388)

4:30 p.m.
Finite conditions for factorization.
Daniel D. Anderson*, University of Iowa
Bernadette Mullins, University of Iowa
(8981308)

Saturday March 4, 1995, 2:30 p.m.5:20 p.m.
Special Session on Nonlinear Boundary Value Problems, II
Room 216, Undergraduate Building

2:30 p.m.
Global bifurcation in infinite dimensional dynamical systems.
James R. Ward, Jr.*, University of Alabama, Birmingham
(8983550)

3:00 p.m.
Multiplepulse solutions in singularlyperturbed systems.
Tasso J. Kaper*, Boston University
(89835147)

3:30 p.m.
Multiplying of pulses in optical fibers.
James C. Alexander, University of Maryland, College Park
Christopher Jones*, Brown University
B. Sandstede, IAAS Berlin, Germany
(8989444)

4:00 p.m.
Higher order phasefield models and anisotropic interfacial motion.
Peter W. Bates, Brigham Young University
Paul C. Fife, University of Utah
Robert A. Gardner*, University of Massachusetts, Amherst
Christopher Jones, Brown University
(8983531)

4:30 p.m.
Oriented global fold maps in differential and integral equations.
Philip T. Church*, Syracuse University
James G. Timourian, University of Alberta
(8983560)

5:00 p.m.
An index and its applications in asymptotically Hamiltonian systems.
Tixiang Wang*, University of Connecticut, Groton
(8985818)

Saturday March 4, 1995, 2:30 p.m.4:50 p.m.
Special Session on Cayley Graphs and Computation, II
Room 217, Undergraduate Building

2:30 p.m.
Levels of uniformity in algebraically specified networks.
Arnold L. Rosenberg*, University of Massachusetts, Amherst
(8986837)

3:20 p.m.
The degreediameter problem for several varieties of Cayley graphs.
Randall Dougherty*, Ohio State University, Columbus
Vance Faber, Los Alamos National Laboratory
(89805143)

4:10 p.m.
The diameter of directed Cayley graphs of Abelian groups.
Charles M. Fiduccia, Supercomputing Research Center, Maryland
Rodney W. Forcade, Supercomputing Research Center, Maryland
Jennifer Zito*, Supercomputing Research Center, Maryland
(89805130)

Saturday March 4, 1995, 2:30 p.m.5:20 p.m.
Special Session on Geometric Methods in Mathematical Physics, II
Room 211, Undergraduate Building

2:30 p.m.
On the Hitchin system.
Bert van Geemen, University of Turin, Italy
Emma Previato*, Boston University
(8981461)

3:00 p.m.
Analytically completely integrable systems, normal functions, and nonabelian theta functions.
Ron Donagi*, University of Pennsylvania
(89858139)

3:30 p.m.
Quantum cohomology and representation theory.
Andrey O. Radul*, Howard University
(8981542)

4:00 p.m.
Monodromy of generalized theta functions.
Ron Donagi, University of Pennsylvania
Tony G. Pantev*, Massachusetts Institute of Technology
(89814144)

4:30 p.m.
Penrose transforms and the geometry of flag manifolds.
J. A. Wolf*, University of California, Berkeley
(8982202)

5:00 p.m.
The algebraic structure of quantum cohomology.
Ezra Getzler*, Massachusetts Institute of Technology
(89858159)

Saturday March 4, 1995, 2:30 p.m.5:15 p.m.
Special Session on Geometric Methods in Representation Theory, I
Room 313, Undergraduate Building

2:30 p.m.
Spherical functions on GxG/G and intertwining operators.
Pavel I. Etingof, Harvard University
Igor B. Frenkel, Yale University
Alexander Kirillov, Jr.*, Yale University
(8983391)

3:05 p.m.
Spinor representations of quantum groups.
Jintai Ding*, Yale University
(8981793)

3:40 p.m.
Spherical functions on affine Lie groups.
Pavel I. Etingof*, Harvard University
(89833102)

4:15 p.m.
Mirror maps and Thompson series.
Bong H. Lian*, Harvard University
(89822123)

4:50 p.m.
Localization for quantum groups.
Valery Lunts*, Indiana University, Bloomington
Alex Rosenberg, Indiana University, Bloomington
(8981692)

Saturday March 4, 1995, 2:30 p.m.4:40 p.m.
Contributed Paper Session, II
Room 304, Undergraduate Building

2:30 p.m.
Inclusion relations for a class of analytic functions.
Massoud Jahangiri*, Kent State University
(8983049)

2:50 p.m.
Generalized symplectic geometry as a covering theory for the Hamiltonian theories of classical particles and fields.
Ronald O. Fulp, North Carolina State University
Larry K. Norris, North Carolina State University
Jeffrey K. Lawson*, Wake Forest University
(8985303)

3:10 p.m.
Kinematic singularities in an extended electrodynamics.
Geoffrey K. Martin*, University of Toledo
(8985310)

3:30 p.m.
Algebraic index theorems and applications.
Boris Tsygan*, Pennsylvania State University
(89857138)

3:50 p.m.
Constructive 2dimensional topological quantum field theory.
Stephen Sawin*, Massachusetts Institute of Technology
(89881151)

4:10 p.m.
Symplectic structures for YangMills moduli spaces over symplectic fourmanifolds.
Paul M. N. Feehan*, Harvard University
(89858145)

4:30 p.m.
Cohomology pairings on moduli spaces.
M. Thaddeus*, Harvard University
(89814146)

Saturday March 4, 1995, 2:40 p.m.5:00 p.m.
Special Session on Ergodic Theory, II
Room 311, Undergraduate Building

2:40 p.m.
A simple map with no prime factors.
Andr\'es del Junco*, University of Toronto
(8982857)

3:10 p.m.
Smorodinsky's conjecture on rankone mixing.
Terrence M. Adams*, Poughkeepsie, New York
(8982866)

3:40 p.m.
A dynamical system with a Z^2 centralizer.
Aimee Johnson*, Swarthmore College
KyeWon Park, Ajou University, Korea
(8982848)

4:10 p.m.
Weak complements and ergodic infinite measure preserving transformations.
S. J. Eigen, Northeastern University
Arshag B. Hajian*, Northeastern University
Shizuo Kakutani, Yale University
(8982881)

4:40 p.m.
Rankone weak mixing for nonsingular transformations.
Terrence M. Adams, Poughkeepsie, New York
N. A. Friedman*, State University of New York, Albany
Cesar Silva, Williams College
(89828127)

Saturday March 4, 1995, 2:45 p.m.5:25 p.m.
Special Session on Moduli Spaces, Operads and Representation Theory, II
Room 308, Undergraduate Building

2:45 p.m.
On elliptic solutions of YangBaxter equations.
Igor B. Frenkel*, Yale University
(89835106)

3:35 p.m.
A rational model for the Floer homotopy type of a complex Kahler manifold.
Jack Morava*, Johns Hopkins University, Baltimore
(89858124)

4:15 p.m.
Equivariant elliptic cohomology and elliptic PoissonLie algebras.
Victor Ginzburg, University of Chicago
Mikhail M. Kapranov*, Northwestern University
Eric Vasserot, Ecole Normale Superieure, France
(89817152)

4:55 p.m.
Quantum operator algebras.
Gregg J. Zuckerman*, Yale University
(89881110)
Sunday March 5, 1995

Sunday March 5, 1995, 8:25 a.m.10:45 a.m.
Special Session on Cayley Graphs and Computation, III
Room 217, Undergraduate Building

8:25 a.m.
Time and space efficient routing algorithms for Cayley graphs.
K. Wendy Tang*, State University of New York, Stony Brook
(8986801)

9:15 a.m.
Normal algorithms and Cayley graphs.
Richard N. Draper*, Supercomputing Research Center, Maryland
(8980513)

10:05 a.m.
The Dopeytraveler problem on Cayley and coset graphs.
Fred S. Annexstein*, University of Cincinnati
(8980509)

Sunday March 5, 1995, 8:30 a.m.10:50 a.m.
Special Session on Enumerative Geometry, Toric Varieties and Mirror Symmetry, III
Room 212, Undergraduate Building

8:30 a.m.
Mirror symmetry for generic hypersurfaces in weighted projective spaces.
Per Berglund*, Institute for Advanced Study
Sheldon Katz, Oklahoma State University
Albrecht Klemm, CERN, Switzerland
(8981475)

9:00 a.m.
The Brauer group and mirror symmetry.
Paul S. Aspinwall*, Cornell University, Ithaca
(8981476)

9:30 a.m.
Series expansions of Grothendieck residues and enumeration of rational curves.
David R. Morrison*, Duke University
M. Ronen Plesser, Institute for Advanced Study
(8981468)

10:00 a.m.
Mirror symmetry and rigid CalabiYau manifolds.
Brian R. Greene*, Cornell University, Ithaca
(8981479)

10:30 a.m.
On stringtheoretic Hodge numbers of CalabiYau hypersurfaces in toric varieties.
Victor V. Batyrev*, University of Essen, Germany
(8981472)

Sunday March 5, 1995, 8:30 a.m.10:50 a.m.
Special Session on Commutative Algebra, III
Room 208, Undergraduate Building

8:30 a.m.
Almost Dedekind overrings of Z[x].
Alan Loper*, Ohio State University, Newark
(8981353)

9:00 a.m.
Classes of D+M rings defined by homological conditions.
Douglas Costa*, University of Virginia
SalahEddine Kabbaj, University of Fez, Morocco
(8981327)

9:30 a.m.
When is a power series ring nroot closed?
David F. Anderson, University of Tennessee, Knoxville
David E. Dobbs*, University of Tennessee, Knoxville
Moshe Roitman, University of Haifa, Israel
(8981330)

10:00 a.m.
The radical trace property and primary ideals.
Thomas G. Lucas*, University of North Carolina, Charlotte
(8981355)

10:30 a.m.
Symbolic powers, serre conditions and CohenMacaulay Rees algebras.
Susan Elaine Morey, Rutgers University, New Brunswick
Sunsook Noh*, Rutgers University, New Brunswick
Wolmer V. Vasconcelos, Rutgers University, New Brunswick
(8981395)

Sunday March 5, 1995, 8:30 a.m.10:50 a.m.
Special Session on Nonlinear Boundary Value Problems, III
Room 216, Undergraduate Building

8:30 a.m.
Exact multiplicity and stability of positive solutions for elliptic problems.
Renate Schaaf*, Utah State University
(89858158)

9:00 a.m.
Aspects of gassolid reactions.
Ivar Stakgold*, University of Delaware
(89858126)

9:30 a.m.
A free boundary problem arising in conservation laws that change type.
Barbara L. Keyfitz*, University of Houston, Downtown
Milton de Costa LopesFilho, IMECCUNICAMP, Brazil
(8983543)

10:00 a.m.
Positive radial solutions of some nonlinear pde's.
Hai Dinh Dang, Mississippi State University
Ra\'ul Man\'asevich, Universitad de Chile, Chile
Klaus Schmitt*, University of Utah
(8983590)

10:30 a.m.
Nonlinear elliptic and parabolic problems with boundary blowup.
Catherine Bandle*, University of Basel, Switzerland
(8983536)

Sunday March 5, 1995, 8:30 a.m.10:40 a.m.
Special Session on Geometric Methods in Representation Theory, II
Room 313, Undergraduate Building

8:30 a.m.
On tensor categories arising from configurational spaces.
Michael Finkelberg, Independent Moscow University, Russia
V. Schechtman*, State University of New York, Stony Brook
(8981838)

9:05 a.m.
Informal Discussion

9:40 a.m.
Quantum groups and the function 1qx.
Ian H. Grojnowski*, Yale University
(89816105)

10:15 a.m.
Geometric multiplicity formulas.
Sam Evens*, University of Arizona
(89822112)

Sunday March 5, 1995, 8:40 a.m.10:50 a.m.
Contributed Paper Session, III
Room 304, Undergraduate Building

8:40 a.m.
On some work of B. F. Logan.
L. A. Shepp*, AT&T Bell Laboratories, Murray Hill, New Jersey
(89849118)

9:00 a.m.
Some qorthogonal polynomials from letters of Ben Logan.
Richard A. Askey*, University of Wisconsin, Madison
(89833119)

9:20 a.m.
A brief history of the work on bandlimited signals.
Henry O. Pollak*, Summit, New York
(89842134)

9:40 a.m.
Prediction for two processes and the Nehari problem.
I. Gohberg, Tel Aviv University, Israel
H. J. Landau*, AT&T Bell Laboratories, Murray Hill, New Jersey
(89842142)

10:00 a.m.
Poincare's theorem and orthogonal polynomials on the real line.
Paul Nevai*, Ohio State University, Columbus
(89842116)

10:20 a.m.
Integral transforms related to orthogonal polynomials and solutions of 3D elliptic equations.
David V. Chudnovsky*, Columbia University
Gregory V. Chudnovsky, Columbia University
(89845117)

10:40 a.m.
Approximation by entire functions.
Donald J. Newman*, Temple University
(89841150)

Sunday March 5, 1995, 9:00 a.m.10:45 a.m.
Special Session on Geometric Function Theory, IV
Room 202203, School of Social Work

9:00 a.m.
What shape is a Maskit domain? Part I
Linda Keen*, Herbert H. Lehman College, City University of New York
John Parker, University of Durham, United Kingdom
Caroline Series, University of Durham, United Kingdom
(89830153)

10:00 a.m.
What shape is a Maskit domain? Part II
Linda Keen, Herbert H. Lehman College, City University of New York
John Parker, University of Durham, United Kingdom
Caroline Series*, University of Durham, United Kingdom
(89830154)

Sunday March 5, 1995, 9:00 a.m.10:50 a.m.
Special Session on Ergodic Theory, III
Room 311, Undergraduate Building

9:00 a.m.
Tilings and ergodic theory.
Steven Eric Dworkin*, University of Texas, Austin
(8980515)

9:30 a.m.
Tiling representations of R actions and alphaequivalence in two dimensions.
Ayse Arzu Sahin*, North Dakota State University
(8980567)

10:00 a.m.
Distality, meandistality and tight processes.
Jonathan King*, University of Florida
(8982823)

10:30 a.m.
Ergodicity and exchangeability.
Karl Petersen*, University of North Carolina, Chapel Hill
(8982820)

Sunday March 5, 1995, 9:00 a.m.10:50 a.m.
Special Session on Moduli Spaces, Operads and Representation Theory, III
Room 308, Undergraduate Building

9:00 a.m.
Intertwining operators and operads.
YiZhi Huang*, Rutgers University, New Brunswick
(8981798)

9:30 a.m.
Cohomology of moduli spaces and operads.
Alexander A. Voronov*, University of Pennsylvania
(89814132)

10:00 a.m.
Algebrogeometric construction of Quillen metrics.
Dennis A. McLaughlin*, Princeton University
(8981433)

10:30 a.m.
Modular functor and representation theory at rational level.
Feodor Malikov*, Yale University
(89858125)

Sunday March 5, 1995, 11:00 a.m.11:50 a.m.
Invited Address
Height and arithmetic.
Auditorium, Auditorium
Shouwu Zhang*, Princeton University
(8981128)

Sunday March 5, 1995, 1:30 p.m.2:20 p.m.
Invited Address
Fourier analysis, approximation, and functions analytic in a strip.
Auditorium, Auditorium
Benjamin F. Logan*, Colorado City, Texas
(89842115)

Sunday March 5, 1995, 2:30 p.m.5:30 p.m.
Special Session on Geometric Function Theory, V
Room 202203, School of Social Work

2:30 p.m.
Problem Session

Sunday March 5, 1995, 2:30 p.m.4:20 p.m.
Special Session on Nonlinear Boundary Value Problems, IV
Room 216, Undergraduate Building

2:30 p.m.
Fundamental tones and buckling loads of clamped plates.
Mark S. Ashbaugh, University of Missouri, Columbia
Richard Laugesen*, Institute for Advanced Study
(8983529)

3:00 p.m.
A numerical mountain pass method for the nonlinear Beam equation.
Lisa Doolittle Humphreys*, Rhode Island College
(89835114)

3:30 p.m.
Symmetry for an overdetermined boundary value problem in potential theory.
Wolfgang Christoph Marti Reichel*, University of Karlsruhe, Germany
(8983564)

4:00 p.m.
Spectral flow and bifurcation for strongly indefinite functionals.
Patrick M. Fitzpatrick*, University of Maryland, College Park
(89899161)

Sunday March 5, 1995, 2:30 p.m.4:50 p.m.
Special Session on Cayley Graphs and Computation, IV
Room 217, Undergraduate Building

2:30 p.m.
Computing Boolean functions on anonymous Cayley networks.
E. Kranakis, Carleton University
D. Krizanc*, Carleton University
(8986840)

3:20 p.m.
A model for wavefront computation based on Cayley graphs.
Michael D. Rice, Wesleyan University
Stephen B. Seidman*, Auburn University, Auburn
(8986814)

4:10 p.m.
Signature algorithms for interconnection networks.
Michael D. Rice*, Wesleyan University
Lewis C. Robertson, Wesleyan University
(8986811)

Sunday March 5, 1995, 2:30 p.m.5:20 p.m.
Special Session on Geometric Methods in Mathematical Physics, III
Room 211, Undergraduate Building

2:30 p.m.
Symplectic geometry of the classical and quantum representation ring.
Lisa Jeffrey, Princeton University
Jonathan Weitsman*, University of California, Santa Cruz
(89816141)

3:00 p.m.
Localization and RiemannRoch numbers for symplectic quotients.
Lisa Jeffrey*, Princeton University
(89858140)

3:30 p.m.
Vassiliev and quantum invariants of braids.
Dror BarNatan*, Harvard University
(89858155)

4:00 p.m.
Finite type 3manifold invariants.
Stavros Garoufalidis*, Massachusetts Institute of Technology
(8985159)

4:30 p.m.
Noncommutative residue and spectral geometry.
Steven Zelditch*, Johns Hopkins University, Baltimore
(89847113)

5:00 p.m.
Symplectic structures in gauge theory.
Naichung Conan Leung*, University of Minnesota, Minneapolis
(89855157)

Sunday March 5, 1995, 2:30 p.m.4:40 p.m.
Special Session on Geometric Methods in Representation Theory, III
Room 313, Undergraduate Building

2:30 p.m.
Bruhat cells and Korbits on flag varieties.
Hiroyuki Ochiai*, Rikkyo University, Japan and Massachusetts Institute of Technology
(89822104)

3:05 p.m.
Associative braided algebras.
Mikhail Khovanov*, Yale University
(8988194)

3:40 p.m.
Bernstein decomposition and types for smooth representations of SL(n,F), n prime and F padic.
Guillaume D. Sanje Mpacko*, Rutgers University, New Brunswick
(8982039)

4:15 p.m.
Integral intersection homology sheaves on loop Grassmannians.
Ivan Mirkovi\'c*, University of Massachusetts, Amherst
Kari Vilonen, Brandeis University
(89814131)

Sunday March 5, 1995, 2:40 p.m.5:00 p.m.
Special Session on Ergodic Theory, IV
Room 311, Undergraduate Building

2:40 p.m.
Representing families of measures by homeomorphisms.
V. S. Prasad*, University of Massachusetts, Lowell
Vincent Christopher Peck, AT&T Bell Laboratories, Murray Hill, New Jersey
(8982882)

3:10 p.m.
Transformations conjugate to their inverses have even essential values.
Geoffrey R. Goodson*, Towson State University
Mariusz Lemanczyk, Nicholas Copernicus University, Poland
(8982856)

3:40 p.m.
A note on ergodic averages.
Karin Reinhold*, State University of New York, Albany
(89828133)

4:10 p.m.
A counterexample of the entropy of a skew product.
KyeWon Park*, Ajou University, Korea
(8982846)

4:40 p.m.
Coupling surfaces and weak Bernoulli for Z^nactions.
Robert M. Burton, Jr.*, Oregon State University
Jeffrey Steif, Chalmers University of Technology, Sweden
(89860160)

Sunday March 5, 1995, 2:45 p.m.4:35 p.m.
Special Session on Moduli Spaces, Operads and Representation Theory, III
Room 308, Undergraduate Building

2:45 p.m.
Topological sector of open string theory.
Maxim Kontsevich*, University of California, Berkeley
(8985884)

3:25 p.m.
Finite dimensional representations of quantum affine algebras at roots of unity.
Victor Kac*, Massachusetts Institute of Technology
(8981686)

4:05 p.m.
Representations of moduli spaces.
Takashi Kimura*, University of North Carolina, Chapel Hill
(89814136)
Inquiries: meet@ams.org