AMS Sectional Meeting Program by Day
Current as of Tuesday, April 12, 2005 15:09:29
1996 Spring Eastern Sectional Meeting
New York, NY, April 1314, 1996
Meeting #910
Associate secretaries: Lesley M Sibner, AMS lsibner@duke.poly.edu
Sunday April 14, 1996

Sunday April 14, 1996, 8:00 a.m.12:00 p.m.
Book Sale and Electronic Products 
Sunday April 14, 1996, 8:30 a.m.10:50 a.m.
Special Session on Hyperbolic Geometry and Discrete Groups, III
Room 101, Warren Weaver Hall
Organizers:
Jane P. Gilman, Rutgers University, Newark

8:30 a.m.
Hyperbolicity in the complex of curves.
Yair N. Minsky*, State University of New York, Stony Brook
Howard A. Masur, University of Illinois, Chicago
(91057120) 
9:00 a.m.
Parametrization of Teichm\"uller space by geodesic length functions.
Feng Luo*, Rutgers University, New Brunswick
(9103084) 
9:30 a.m.
An algorithm to decide the discreteness of an explicit finitely generated elementary subgroup of $SL_2(\overline {\Bbb Q}_{\rm{alg}})\subset SL_2(\Bbb C)$.
Robert F. Riley*, State University of New York, Binghamton
(91030104) 
10:00 a.m.
Pleating varieties in quasiFuchsian space.
Linda Keen*, Herbert H. Lehman College, City University of New York
Caroline Series, University of Warwick, United Kingdom
(9103096) 
10:30 a.m.
Iteration on the Bers slice.
Jeffrey F. Brock*, University of California, Berkeley
(91099143)

8:30 a.m.

Sunday April 14, 1996, 8:30 a.m.10:20 a.m.
Special Session on Gauge Field Theory, III
Room 626, Shimkin Hall
Organizers:
Janet C. Talvacchia, Swarthmore College
Yisong Yang, Polytechnic University

8:30 a.m.
Mass degeneracies in selfdual ChernSimons theories.
Gerald Dunne*, University of Connecticut, Storrs
(9108170) 
9:00 a.m.
Hawking radiation and EinsteinYang/Mills equations.
Joel A. Smoller*, University of Michigan, Ann Arbor
Arthur G. Wasserman, University of Michigan, Ann Arbor
(9108359) 
9:30 a.m.
Gauge theories of twodimensional gravity.
Roman Jackiw*, Massachusetts Institute of Technology
(9108157) 
10:00 a.m.
YangMills hierarchies in even dimensions and their descendants.
D. H. Tchrakian*, Saint Patrick's College, Ireland
(91081113)

8:30 a.m.

Sunday April 14, 1996, 8:30 a.m.10:20 a.m.
Special Session on Stochastic Models in Mathematical Finance, III
Room 109, Warren Weaver Hall
Organizers:
Thaleia Zariphopoulou, University of Wisconsin, Madison

8:30 a.m.
Managing market risk and volatility risk: A new approach using dynamic programming and portfolio optimization.
Marco M. Avellaneda*, Courant Institute of Mathematical Sciences, New York University
(9103511) 
9:00 a.m.
General properties of option prices.
Bruce Grundy*, University of Pennsylvania
(9109045) 
9:30 a.m.
Optimization models with stochastic volatility.
Mohsen Mazaheri*, University of Wisconsin, Madison
Thaleia Zariphopoulou, University of Wisconsin, Madison
(9106040) 
10:00 a.m.
Using nonstandard analysis methods to analyze nonstandard asset price models.
Walter Willinger*, Bellcore, Morristown, New Jersey
(9106013)

8:30 a.m.

Sunday April 14, 1996, 8:40 a.m.10:50 a.m.
Special Session on Differential Algebra, III
Room 634, Shimkin Hall
Organizers:
Phyllis J. Cassidy, Smith College
William F. Keigher, Rutgers University, Newark
Michael F. Singer, North Carolina State University

8:40 a.m.
Differential modules defined by systems of equations.
Alan C. Adolphson*, Oklahoma State University, Stillwater
Steven Sperber, University of Minnesota, Minneapolis
(91014129) 
9:15 a.m.
Galois groups of order four linear differential equations.
Sabrina A. Hessinger*, North Carolina State University
(91012110) 
9:50 a.m.
Computing the genus of a curve.
Barry Trager*, IBM T. J. Watson Research Center, Yorktown Heights, New York
(91014134) 
10:25 a.m.
Hurwitz series as formal functions.
William F. Keigher*, Rutgers University, Newark
Frank Leon Pritchard, Rutgers University, Newark
(91013100)

8:40 a.m.

Sunday April 14, 1996, 9:00 a.m.10:50 a.m.
Special Session on Partial Differential Equations, III
Room 1302, Warren Weaver Hall
Organizers:
Patricia E. Bauman, Purdue University, West Lafayette
Fanghua Lin, Courant Institute of Mathematical Sciences, New York University
Peter J. Sternberg, Indiana University, Bloomington

9:00 a.m.
Monotonicity formulas for solutions of equations in adjacent domains.
Luis A. Caffarelli*, Courant Institute of Mathematical Sciences, New York University
(91035106) 
9:40 a.m.
Gauged harmonic maps from $R^2$ to $S^2$.
Yisong Yang*, Polytechnic University
(9103587) 
10:20 a.m.
On the existence and uniqueness of constant mean curvature hypersurfaces in hyperbolic space.
Barbara Nelli, University of Paris VII, France
Joel Spruck*, Johns Hopkins University
(91035131)

9:00 a.m.

Sunday April 14, 1996, 9:00 a.m.10:50 a.m.
Special Session on Global Riemannian Geometry, III
Room 102, Warren Weaver Hall
Organizers:
Tobias H. Colding, Courant Institute of Mathematical Sciences, New York University
Claude R. LeBrun, State University of New York, Stony Brook
Santiago R. Simanca, Polytechnic University

9:00 a.m.
The geometry of the first Stekloff eigenvalue.
Jose F. Escobar*, Cornell University
(9105376) 
9:30 a.m.
Gluing constructions for noncompact geometric problems.
Daniel Pollack*, University of Chicago
(9105898) 
10:00 a.m.
Glueing constructions of minimal surfaces.
Nicolaos Kapouleas*, Brown University
(91053127) 
10:30 a.m.
Real Kaehler submanifolds in low codimension.
Marcos Dajczer, Institute for PureApplied Mathematics, Brazil
Detlef Gromoll*, State University of New York, Stony Brook
(91053109)

9:00 a.m.

Sunday April 14, 1996, 9:00 a.m.10:50 a.m.
Special Session on Number Theory, III
Room 613, Warren Weaver Hall
Organizers:
William D. Duke, Rutgers University, New Brunswick
Ze'ev Rudnick, Tel Aviv University, Israel

9:00 a.m.
Remarks about continued fractions and real quadratic fields.
Brian Conrey*, Oklahoma State University, Stillwater
(91011107) 
9:40 a.m.
The zeta function and the lap counting function of linear mod one transformations.
Leopold Flatto, AT&T Research, Murray Hill, New Jersey
Jeffrey C. Lagarias*, AT&T Research, Murray Hill, New Jersey
(9105885) 
10:20 a.m.
The Cesaro mean of the $\{n\alpha\}$ sequence and real quadratic fields.
Jozsef Beck*, Rutgers University, New Brunswick
(9101137)

9:00 a.m.

Sunday April 14, 1996, 9:30 a.m.10:40 a.m.
Special Session on Topological Methods, III
Room 813, Warren Weaver Hall
Organizers:
Charles R. Traina, Saint John's University
Lawrence Narici, Saint John's University
Edward Beckenstein, Saint John's University

9:30 a.m.
Discrete C*embedded subsets of a locally compact Abelian group with its Bohr topology.
Jorge Galindo, Universitat Jaume I, Spain
Salvador Hernandez*, Universitat Jaume I, Spain
(91099142) 
10:10 a.m.
On the Borel theorem.
J. Schmets*, University of Liege, Belgium
Manuel Valdivia, University of Valencia, Spain
(9104668)

9:30 a.m.

Sunday April 14, 1996, 11:00 a.m.11:50 a.m.
Invited Address
The Riemann zeta function and random matrix theory.
Room 109, Warren Weaver Hall
Ze\'ev Rudnick*, Tel Aviv University, Israel
(9101102) 
Sunday April 14, 1996, 1:30 p.m.2:20 p.m.
Invited Address
The inverse problem in differential Galois theory.
Room 109, Warren Weaver Hall
Michael F. Singer*, North Carolina State University
(9101204) 
Sunday April 14, 1996, 2:30 p.m.5:00 p.m.
Special Session on Partial Differential Equations, IV
Room 1302, Warren Weaver Hall
Organizers:
Patricia E. Bauman, Purdue University, West Lafayette
Fanghua Lin, Courant Institute of Mathematical Sciences, New York University
Peter J. Sternberg, Indiana University, Bloomington

2:30 p.m.
Incompatibility, hysteresis, and the two well problem.
Robert V. Kohn*, Courant Institute of Mathematical Sciences, New York University
Veronique Lods, University of Paris, France
(9107348) 
3:10 p.m.
Higher gradient integrability of equilibria for functionals with rankone convex local energies.
Michael M. Dougherty*, Pennsylvania State University, Reading
(91035105) 
3:50 p.m.
Regularity results in models for image segmentation, fracture and damage.
Irene Fonseca*, Carnegie Mellon University
(9104958) 
4:30 p.m.
Revisiting the paradigm of the calculus of variations: An extended variational principle.
David Kinderlehrer*, Carnegie Mellon University
(9103588)

2:30 p.m.

Sunday April 14, 1996, 2:30 p.m.4:50 p.m.
Special Session on Global Riemannian Geometry, IV
Room 102, Warren Weaver Hall
Organizers:
Tobias H. Colding, Courant Institute of Mathematical Sciences, New York University
Claude R. LeBrun, State University of New York, Stony Brook
Santiago R. Simanca, Polytechnic University

2:30 p.m.
Disconnectedness of sublevel sets of some Riemannian functionals.
Alexander Nabutovsky*, University of Toronto
(9105365) 
3:00 p.m.
Hypercomplex geometry and $3$Sasakian manifolds.
Krzysztof Galicki*, University of New Mexico
(9105354) 
3:30 p.m.
Towards a classification of $3$Sasakian manifolds.
Charles P. Boyer*, University of New Mexico
(9105391) 
4:00 p.m.
Compact EinsteinWeyl manifolds with large symmetry group.
Yat Sun Poon*, University of California, Riverside
A. B. Madsen, Odense University, Denmark
Henrik Pedersen, Odense University, Denmark
A. Swann, University of Bath, United Kingdom
(9105235) 
4:30 p.m.
Extremal K\"ahler metrics.
Andrew D. Hwang*, University of Toronto
(9105821)

2:30 p.m.

Sunday April 14, 1996, 2:30 p.m.5:00 p.m.
Special Session on Number Theory, IV
Room 613, Warren Weaver Hall
Organizers:
William D. Duke, Rutgers University, New Brunswick
Ze'ev Rudnick, Tel Aviv University, Israel

2:30 p.m.
Unusual behavior of coefficients of certain power series.
Andrew M. Odlyzko*, AT&T Research, Murray Hill, New Jersey
(9101180) 
3:10 p.m.
Some cusp forms which don't exist.
Stephen David Miller*, Princeton University
(9101151) 
3:50 p.m.
Partitions, representation theory and class numbers.
Ken Ono*, Institute for Advanced Study
(9101149) 
4:30 p.m.
Remarks on the LangTrotter conjecture.
K. Murty*, Institute for Advanced Study and University of Toronto
(9101182)

2:30 p.m.

Sunday April 14, 1996, 2:30 p.m.4:50 p.m.
Special Session on Hyperbolic Geometry and Discrete Groups, IV
Room 101, Warren Weaver Hall
Organizers:
Jane P. Gilman, Rutgers University, Newark

2:30 p.m.
Riemann surfaces with maximal reflections.
Bernard Maskit*, State University of New York, Stony Brook
(9103083) 
3:00 p.m.
Isomorphisms between Teichm\"uller spaces.
Nikola B. Lakic*, Cornell University, Ithaca
(91030130) 
3:30 p.m.
Subgroups of generalized Hecke groups.
Shuechin Huang*, Queens College, City University of New York
(91030139) 
4:00 p.m.
Projective embeddings of surfaces represented by subgroups of the modular group.
Hershel M. Farkas, Hebrew University of Jerusalem, Israel
Irwin Kra*, State University of New York, Stony Brook
(9103061) 
4:30 p.m.
Informal discussion

2:30 p.m.

Sunday April 14, 1996, 2:30 p.m.4:20 p.m.
Special Session on Gauge Field Theory, IV
Room 626, Shimkin Hall
Organizers:
Janet C. Talvacchia, Swarthmore College
Yisong Yang, Polytechnic University

2:30 p.m.
Nonabelian monopoles and invariants of smooth fourmanifolds.
Paul M.N Feehan*, Harvard University
Thomas G. Leness, Michigan State University
(9105830) 
3:00 p.m.
Negative tori and the SeibergWitten invariants.
Daniel Ruberman*, Brandeis University
(91057117) 
3:30 p.m.
NonAbelian equivariant holomorphic Morse inequalities.
Siye Wu*, International Center for Theoretical Physics, Italy
(91058114) 
4:00 p.m.
A gauge theoretic solution to the index number problem in mathematical economics.
Pia N. Malaney, Harvard University
Eric Weinstein*, Massachusetts Institute of Technology
(91053126)

2:30 p.m.

Sunday April 14, 1996, 2:30 p.m.4:30 p.m.
Special Session on Topological Methods, IV
Room 813, Warren Weaver Hall
Organizers:
Charles R. Traina, Saint John's University
Lawrence Narici, Saint John's University
Edward Beckenstein, Saint John's University

2:30 p.m.
Similarities between bicompletion and Smyth completion.
Robert Flagg, University of Southern Maine
Ralph D. Kopperman*, City College, City University of New York
Philipp Sunderhauf, University of Southern Maine
(91054116) 
3:00 p.m.
Informal discussion

2:30 p.m.

Sunday April 14, 1996, 2:30 p.m.3:50 p.m.
Special Session on Stochastic Models in Mathematical Finance, IV
Room 109, Warren Weaver Hall
Organizers:
Thaleia Zariphopoulou, University of Wisconsin, Madison

2:30 p.m.
Option pricing in the presence of transaction costs.
H. Mete Soner*, Carnegie Mellon University
(9106012) 
3:00 p.m.
Monotone numerical schemes for nonlinear partial differential equations arising in mathematical finance.
Agnes Tourin*, University of ParisDauphine, France
(9103506) 
3:30 p.m.
Imperfect competition among informed traders.
Kerry Back*, Washington University
H. Henry Cao, University of California, Berkeley
Gregory A. Willard, Washington University
(9109041)

2:30 p.m.

Sunday April 14, 1996, 2:30 p.m.4:40 p.m.
Special Session on Differential Algebra, IV
Room 634, Shimkin Hall
Organizers:
Phyllis J. Cassidy, Smith College
William F. Keigher, Rutgers University, Newark
Michael F. Singer, North Carolina State University

2:30 p.m.
Addition schemes for first integrals.
William Y. Sit*, City College, City University of New York
(91012103) 
3:05 p.m.
Prolongation theory from an algebraic viewpoint.
Raymond T. Hoobler*, City College, City University of New York
(91017124) 
3:40 p.m.
Differential specializations and observability in control theory.
Sally D. Morrison*, Bucknell University
(91012125) 
4:15 p.m.
Finitely obtainable classes of ideals.
Richard M. Cohn*, Rutgers University, New Brunswick
(91012101)

2:30 p.m.

Sunday April 14, 1996, 2:30 p.m.4:55 p.m.
Contributed Paper Session, II
Room 1013, Warren Weaver Hall

2:30 p.m.
The hexagonal honeycomb: An existence theorem.
Frank Morgan*, Williams College
(9104990) 
2:45 p.m.
Solving nonlinear systems of equations using leastsquare Newton iterations.
Yixun Shi*, Bloomsburg University of Pennsylvania
(91065115) 
3:00 p.m.
Contact topology and the fournormals theorem.
Juan Carlos Alvarez Paiva*, University of Simon Bolivar, Venezuela
(9105320) 
3:15 p.m.
Singular Riemannian manifolds.
Zhongdong Liu*, University of South Carolina, Columbia
Zhongmin Shen, Indiana UniversityPurdue University, Indianapolis
(9105322) 
3:30 p.m.
Variational techniques on the associated metrics of complex contact manifolds.
Brendan J. Foreman*, Michigan State University
(9105823) 
3:45 p.m.
Discrete surface groups actions with accidental parabolics on complex hyperbolic plane.
Igor Belegradek*, University of Maryland, College Park
(9105764) 
4:00 p.m.
On the mean curvature function of isometric immersions.
Georgi I. Kamberov*, University of Massachusetts, Amherst
(9105317) 
4:15 p.m.
Asymptotic behavior of solutions and subsolutions of the stationary Schr\"odinger equation.
Alexander I. Kheyfits*, Courant Institute of Mathematical Sciences, New York University
(9103572) 
4:30 p.m.
Ergodic theorems for Markov chains.
Onesimo HernandezLerma*, CINVESTAV del IPN, Mexico
Jean B. Lasserre, CINVESTAV del IPN, Mexico
(9106009) 
4:45 p.m.
Faruk F. AbiKhuzam 
4:45 p.m.
Zerofree regions for sections of power series.
Faruk F. AbiKhuzam*, American University of Beirut
(91030145)

2:30 p.m.