
AMS Sectional Meeting Program by Day
Current as of Tuesday, April 12, 2005 15:09:29
Program 
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Inquiries: meet@ams.org
1996 Spring Eastern Sectional Meeting
New York, NY, April 1314, 1996
Meeting #910
Associate secretaries: Lesley M Sibner, AMS lsibner@duke.poly.edu
Saturday April 13, 1996

Saturday April 13, 1996, 8:00 a.m.4:00 p.m.
Book Sale and Electronic Products

Saturday April 13, 1996, 8:00 a.m.4:00 p.m.
Meetings Registration
Lobby, Courant Institute Building

Saturday April 13, 1996, 8:30 a.m.10:50 a.m.
Special Session on Hyperbolic Geometry and Discrete Groups, I
Room 632, Shimkin Hall Organizers: Jane P. Gilman, Rutgers University, Newark

8:30 a.m.
A discreteness criteria with applications to small volumes.
Frederick W. Gehring, University of Michigan, Ann Arbor
Colin Maclachlan, University of Aberdeen, United Kingdom
Gaven John Martin, University of Auckland, New Zealand
Alan W. Reid*, University of Texas, Austin
(9105792)

9:00 a.m.
Invariants for $n$dimensional M\"obius groups.
Chun Cao, University of Michigan, Ann Arbor
Peter L. Waterman*, Northern Illinois University
(91030118)

9:30 a.m.
Discreteness conditions for $n$dimensional M\"obius groups.
Chun Cao*, University of Michigan, Ann Arbor
Peter L. Waterman, Northern Illinois University
(91030121)

10:00 a.m.
Discrete subgroups of $SL_n({\Bbb R})$ generated by lattices in opposite horospherical subgroups.
Hee Oh*, Yale University
(91030140)

10:30 a.m.
Are homotopy hyperbolic $3$manifolds hyperbolic?
Robert Meyerhoff*, Boston College
David Gabai, California Institute of Technology
Nathaniel John Thurston, University of California, Berkeley
(9105781)

Saturday April 13, 1996, 8:30 a.m.10:20 a.m.
Special Session on Gauge Field Theory, I
Room 626, Shimkin Hall Organizers: Janet C. Talvacchia, Swarthmore College
Yisong Yang, Polytechnic University

8:30 a.m.
Nonquadratic YangMills energies.
Thomas H. Otway*, Yeshiva University
(9103532)

9:00 a.m.
Existence of hyperbolic monopoles.
Lesley M. Sibner*, Polytechnic University
Robert J. Sibner, Brooklyn College, City University of New York
(9103528)

9:30 a.m.
A MayerVietoris principle for monopoles.
Eugene A. Durenard*, Saloman Brothers, United Kingdom
(9105886)

10:00 a.m.
Renormalized energy for GinzburgLandau vortices on closed surfaces.
Jie Qing*, Columbia University
(9105371)

Saturday April 13, 1996, 8:30 a.m.10:20 a.m.
Special Session on Stochastic Models in Mathematical Finance, I
Room 109, Warren Weaver Hall Organizers: Thaleia Zariphopoulou, University of Wisconsin, Madison

8:30 a.m.
Efficient trees for option valuation.
David C. Heath*, Cornell University
(9103516)

9:00 a.m.
Optimal investment processes for utility maximization problems with restricted information.
Peter Lakner*, Courant Institute of Mathematical Sciences, New York University
(9103508)

9:30 a.m.
Optimal consumption and investment when investment opportunities are better for the rich than for the poor.
Hyeng Keun Koo*, University of Wisconsin, Madison
Thaleia Zariphopoulou, University of Wisconsin, Madison
(9106043)

10:00 a.m.
Some probabilistic approaches to pricing and hedging multiassets and pathdependent options.
Helyette E. Geman*, ESSEC Finance Department, CergyPontoise, France
(9106046)

Saturday April 13, 1996, 8:40 a.m.10:50 a.m.
Special Session on Differential Algebra, I
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.
Lie algebras of derivation operators in the context of differential algebra.
Phyllis J. Cassidy*, Smith College
(91012111)

9:15 a.m.
The symbolic computation of differential invariants using trees.
Robert Grossman*, University of Illinois, Chicago
(91017123)

9:50 a.m.
Differentally homogenous differential polynomials.
Georg Martin Reinhart*, Wellesley College
(9101279)

10:25 a.m.
An arithmetic analogue of differential algebra.
Alexandru Buium*, University of New Mexico
(9101139)

Saturday April 13, 1996, 9:00 a.m.10:50 a.m.
Special Session on Partial Differential Equations, I
Room 101, 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.
Some inequalities for second order elliptic equations and applications.
Louis Nirenberg*, Courant Institute of Mathematical Sciences, New York University
(91035108)

9:40 a.m.
Fast/slow diffusion and nonlocal geometric motion.
Lawrence Craig Evans, University of California, Berkeley
Mikhail Feldman*, University of Pennsylvania
Ronald F. Gariepy, University of Kentucky
(9103552)

10:20 a.m.
The singular limit of a vectorvalued reactiondiffusion process.
Lia Bronsard*, McMaster University
Barbara Stoth, University of Bonn, Germany
(9103536)

Saturday April 13, 1996, 9:00 a.m.10:50 a.m.
Special Session on Global Riemannian Geometry, I
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.
Sufficiently collapsed manifolds with bounded curvature and diameter have minimal volume zero.
Jeff Cheeger*, Courant Institute of Mathematical Sciences, New York University
(9105373)

9:30 a.m.
Minimal volume and finiteness theorems for manifolds with Gromov's hyberbolicity.
Jianguo Cao*, Cornell University
(9105324)

10:00 a.m.
On function theory on spaces with a lower Ricci curvature bound. {\rm II}.
Tobias H. Colding, Courant Institute of Mathematical Sciences, New York University
William P. Minicozzi, II*, Johns Hopkins University
(9105878)

10:30 a.m.
Metric constraints on exotic spheres via Alexandrov geometry.
K. Grove, University of Maryland, College Park
Frederick H. Wilhelm, Jr.*, State University of New York, Stony Brook
(9105350)

Saturday April 13, 1996, 9:00 a.m.10:50 a.m.
Special Session on Number Theory, I
Room 613, Warren Weaver Hall Organizers: William D. Duke, Rutgers University, New Brunswick
Ze'ev Rudnick, Tel Aviv University, Israel

9:00 a.m.
Estimates for Artin $L$functions of degree two.
John B. Friedlander, University of Toronto
Henryk Iwaniec*, Rutgers University, New Brunswick
William D. Duke, Rutgers University, New Brunswick
(9101197)

9:40 a.m.
Bounds for the TateShafarevich group.
Dorian Goldfeld*, Columbia University
Daniel B. Lieman, Columbia University
(91011136)

10:20 a.m.
On the variation of argument of MaassHecke $L$functions.
Dennis A. Hejhal, Uppsala University, Sweden
Wenzhi Luo*, Princeton University
(9101131)

Saturday April 13, 1996, 9:00 a.m.10:30 a.m.
Panel Discussion
The Activities of the International Mathematical Union and Plans for the International Congress of Mathematicans in 1998.
Room 1302, Warren Weaver Hall
Panelists:
David Mumford, President, IMU
Jacob Palis, Secetary, IMU
Phillip A. Griffiths, Chairman, Program Committee, ICM 98
Martin Groetschel, President, Organizing Committee, ICM 98
Jeremy Kilpatrick, Vice President, ICMI
Herbert Clemens, Member Executive Committee, CDE

Saturday April 13, 1996, 9:30 a.m.10:50 a.m.
Special Session on Topological Methods, I
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.
A new look at biseparating maps, {\rm I}.
Melvin Henriksen*, Harvey Mudd College
(9100655)

10:10 a.m.
Informal discussion

Saturday April 13, 1996, 11:00 a.m.11:50 a.m.
Invited Address
Assessing the empirical performance of continuous time methods in finance.
Room 109, Warren Weaver Hall
Jose Scheinkman*, University of Chicago
(9109003)

Saturday April 13, 1996, 1:30 p.m.2:20 p.m.
Invited Address
On $4$dimensional Einstein manifolds.
Room 109, Warren Weaver Hall
Claude R. LeBrun*, State University of New York, Stony Brook
(9105301)

Saturday April 13, 1996, 2:30 p.m.5:00 p.m.
Special Session on Partial Differential Equations, II
Room 101, 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.
Dynamics of GinzburgLandau vortices.
H. Mete Soner*, Carnegie Mellon University
Robert Jerrard, Carnegie Mellon University
(9103515)

3:10 p.m.
Constraints on formation of singularities for the small disturbance transonic flow equations.
Irene Martinez Gamba*, Courant Institute of Mathematical Sciences, New York University
(91035128)

3:50 p.m.
Travelling fronts in cylinders and their stability.
Jerrold W. Bebernes, University of Colorado, Boulder
Congming Li, University of Colorado, Boulder
Yi Li*, University of Rochester
(9103593)

4:30 p.m.
Symmetry of solutions of nonlinear PDE.
Sagun Chanillo*, Rutgers University, New Brunswick
(9103529)

Saturday April 13, 1996, 2:30 p.m.4:00 p.m.
Special Session on Global Riemannian Geometry, II
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.
On fundamental groups of manifolds of positive sectional curvature.
Xiaochun Rong*, University of Chicago
(9105314)

3:00 p.m.
Manifolds of positive scalar curvature and the BaumConnes conjecture.
Stephan A. Stolz*, University of Notre Dame
(91053122)

3:30 p.m.
Positively curved metrics of cohomogeneity one.
Wolfgang Ziller*, University of Pennsylvania
K. Grove, University of Maryland, College Park
(91053137)

4:00 p.m.
Spectral asymptotics and the geometry of degenerating hyperbolic three manifolds.
J. Dodziuk*, Queens College, City University of New York
Jay A. Jorgenson, Yale University
(9105838)

Saturday April 13, 1996, 2:30 p.m.5:00 p.m.
Special Session on Number Theory, II
Room 613, Warren Weaver Hall Organizers: William D. Duke, Rutgers University, New Brunswick
Ze'ev Rudnick, Tel Aviv University, Israel

2:30 p.m.
Groups of functional equations for Dirichlet series in two variables.
Daniel Willis Bump, Stanford University
Solomon Friedberg, University of California at San Diego, La Jolla
Jeffrey Hoffstein*, Brown University
(9101153)

3:10 p.m.
On the distribution of roots of quadratic congruences.
Arpad Toth*, Rutgers University, New Brunswick
(9101174)

3:50 p.m.
Expansion of modular forms about special points.
Fernando Rodriguez Villegas*, Princeton University
(9101160)

4:30 p.m.
Special values of twisted symmetric square $L$functions.
Jeffrey Stopple*, University of California, Santa Barbara
(9101125)

Saturday April 13, 1996, 2:30 p.m.4:50 p.m.
Special Session on Hyperbolic Geometry and Discrete Groups, II
Room 632, Shimkin Hall Organizers: Jane P. Gilman, Rutgers University, Newark

2:30 p.m.
Hyperbolic $3$manifolds with nonintersecting closed geodesics.
Ara S. Basmajian*, University of Oklahoma
Scott A. Wolpert, University of Maryland, College Park
(9103094)

3:00 p.m.
$3$parabolic Fuchsian groups.
Todd A. Drumm*, University of Pennsylvania
(91051119)

3:30 p.m.
Extended bisectors in complex hyperbolic and projective space.
William Mark Goldman*, University of Maryland, College Park
(9105366)

4:00 p.m.
Geometrical finiteness for hyperbolic orbifolds.
Emily Hamilton*, Rice University
(9105769)

4:30 p.m.
Shuffling homotopy equivalences and limits of Kleinian groups.
James W. Anderson, University of Southampton, United Kingdom
Richard D. Canary*, University of Michigan, Ann Arbor
Darryl McCullough, University of Oklahoma
(91057133)

Saturday April 13, 1996, 2:30 p.m.4:50 p.m.
Special Session on Gauge Field Theory, II
Room 626, Shimkin Hall Organizers: Janet C. Talvacchia, Swarthmore College
Yisong Yang, Polytechnic University

2:30 p.m.
Torus splittings and spectral flow of the twisted signature operator.
Christopher M. Herald*, McMaster University
(9105363)

3:00 p.m.
Euler characteristics of moduli spaces of instantons over four sphere.
Youliang Tian*, Courant Institute of Mathematical Sciences, New York University
(9105362)

3:30 p.m.
Multiple condensate solutions for the ChernSimonHiggs theory.
Gabriella Tarantello*, Universit'a di Roma Tor Vergata, Roma, Italy
(9103547)

4:00 p.m.
Instantons and the information metric.
David Groisser*, University of Florida
Michael K. Murray, University of Adelaide, Australia
(9105395)

4:30 p.m.
Existence of multivortices solutions for a selfdual MaxwellChernSimonsHiggs system.
Dongho Chae*, Seoul National University, Seoul, Korea
Namkwon Kim, Postech, Korea
(91053138)

Saturday April 13, 1996, 2:30 p.m.5:00 p.m.
Special Session on Topological Methods, II
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.
How many $\Omega$bounded subgroups?
W. Wistar Comfort*, Wesleyan University
Jan van Mill, Vrije University,
(9102267)

3:00 p.m.
Informal discussion

3:50 p.m.
Transfinite induction with control.
Alan Dow*, York University
(91054112)

4:30 p.m.
Intersections of Fr\'echetSchwartz spaces and their duals.
Jose Bonet*, Universidad Polytechnica de Valencia, Spain
(91099141)

Saturday April 13, 1996, 2:30 p.m.4:20 p.m.
Special Session on Stochastic Models in Mathematical Finance, II
Room 109, Warren Weaver Hall Organizers: Thaleia Zariphopoulou, University of Wisconsin, Madison

2:30 p.m.
Backward stochastic differential equations, finance and optimization.
Nicole El Karoui*, University of Paris VI, France
Shinge Peng, Shandong University, People's Republic of China
Marie Claire Quenez, University de Marne la Vallee, France
(9106089)

3:00 p.m.
A compactness principle for bounded sequences of martingales with applications to mathematical finance.
F. Delbaen, Vrije University of Brussels, Belgium
W. Schachermayer*, Vienna University, Austria
(9103507)

3:30 p.m.
Modeling and computation of international general financial equilibrium in the presence of transaction costs and price policy interventions: A variational inequality approach.
Anna B. Nagurney*, University of Massachusetts, Amherst
Stavros Siokos, University of Massachusetts, Amherst
(9109044)

4:00 p.m.
A new approach to analytic valuation in the Black Scholes Model.
Peter P. Carr*, Cornell University
(9106042)

Saturday April 13, 1996, 2:30 p.m.4:40 p.m.
Special Session on Differential Algebra, II
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.
Differential resultants revisited.
Emma Previato*, Boston University
(91014102)

2:50 p.m.
The model theory of differential fields of finite characteristic.
Carol S. Wood*, Wesleyan University
(91014135)

3:10 p.m.
Model theory and differential algebra.
Anand Pillay*, University of Notre Dame
(9101499)

3:30 p.m.
Invariant derivations with no new constants.
Andy R. Magid*, University of Oklahoma
Lourdes Juan, University of Oklahoma
(9101277)

Saturday April 13, 1996, 2:30 p.m.5:10 p.m.
Contributed Paper Session, I
Room 1013, Warren Weaver Hall

2:30 p.m.
Giordano cubes.
Joseph Arkin*, United States Military Academy
David C. Arney, United States Military Academy
Rickey A. Kolb, United States Military Academy
(9101110)

2:45 p.m.
A necessary and sufficient condition for lifting the hyperelliptic involution.
Peter Turbek*, Purdue University, Calmuet
(9103027)

3:00 p.m.
Relationships between various outer measures associated with lattice measures.
Peter D. Stratigos*, Long Island University, Brooklyn Center
(9102833)

3:15 p.m.
Outer measures and measurable sets.
Carmen Doina Vlad*, Pace University, New York
(9102834)

3:30 p.m.
G.C.D. and L.C.M. of two entire functions.
ChungChun Yang*, Hong Kong University of Science & Technology, Hong Kong
(9103005)

3:45 p.m.
An integral operator for analytic solutions of the wave equation.
Allan Fryant*, Greensboro College
Murali Krishna Vemuri, University of Chicago
(9103519)

4:00 p.m.
$L^p$gradient estimates for viscosity solutions of fully nonlinear, uniformly elliptic equations.
Andrzej Janusz Swiech*, Georgia Institute of Technology
(9103526)

4:15 p.m.
The binomial coefficients and beyond.
Larry Ericksen*, Millville, New Jersey
(9104018)

4:30 p.m.
Powers of absolutely convergent Fourier series.
Bogdan Baishanski*, Ohio State University, Columbus
Michael Snell, Ohio State University, Columbus
(91041132)

4:45 p.m.
Disintegration of measures and a variational problem governed by a differential inclusion.
Toru Maruyama*, University of California, Berkeley and Keio University, Japan
(9104956)

5:00 p.m.
Nonorthogonal wavelet approximation with rates of deterministic signals.
George A. Anastassiou*, The University of Memphis
Stamatis Cambanis, The University of North Carolina, Chapel Hill
(91099144)

Saturday April 13, 1996, 2:30 p.m.4:30 p.m.
International Forum
Perspectives on Doing Mathematics in the Electronic Age.
Room 1302, Warren Weaver Hall
Panelists:
John H. Ewing, American Mathematical Society
Martin Groetschel, KonradZuseZentrum fuer Informationstechnik
Joachim Heinze, SpringerVerlag
Andrew M. Odlyzko, AT&T Research

Saturday April 13, 1996, 7:00 p.m.11:00 p.m.
Council
Majestic Music Box, New York Marriott Marquis
Inquiries: meet@ams.org

