AMS Sectional Meeting Program by Special Session
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1997 Fall Eastern Sectional Meeting
Montreal, Quebec Canada, September 2628, 1997
Meeting #924
Associate secretaries:
Lesley M Sibner, AMS
lsibner@duke.poly.edu
Special Session on Number Theory and Arithmetic Geometry

Friday September 26, 1997, 9:00 a.m.11:45 a.m.
Special Session on Number Theory and Arithmetic Geometry, I
Room B4275, Pavillon 3200 JeanBrillant
Organizers:
Henri Rene Darmon, McGill University and CICMA darmon@math.mcGill.ca
Chantal David, Concordia University and CICMA chantal@abacus.concordia.ca
Adrian Iovita, McGill University and CICMA iovita@math.bu.edu

9:00 a.m.
On semireduced quadratic forms
Claude Levesque*, Universit\'e Laval
Eug\`ene Dubois, Universit\'e de Caen
(9241121)

9:35 a.m.
Frobenius distributions and Galois representations
V. Kumar Murty*,
(92411303)

10:10 a.m.
On certain integral points of a modular curve of level 5 (Preliminary report)
Imin Chen*, UC Berkeley
(9241142)

10:45 a.m.
Onemotives associated with varieties and a conjecture of Deligne
Niranjan Ramachandran*,
(9241463)

11:20 a.m.
Some remarks on a Euclidean ring containing ${\Bbb Z}[\sqrt{14}]$
David A Cardon*, Queen's University
(9241162)

Friday September 26, 1997, 2:30 p.m.5:15 p.m.
Special Session on Number Theory and Arithmetic Geometry, II
Room 142, S Wing, Pavillon Principal de l'Universit\'e de Montr\'eal
Organizers:
Henri Rene Darmon, McGill University and CICMA darmon@math.mcGill.ca
Chantal David, Concordia University and CICMA chantal@abacus.concordia.ca
Adrian Iovita, McGill University and CICMA iovita@math.bu.edu

1:55 p.m.
On the curves associated to certain rings of automorphic forms
Kamal KhuriMakdisi*, Harvard University
(92411265)

2:30 p.m.
Discussion

3:05 p.m.
Galois Theory for Selmer Groups of Abelian Varieties
Ralph Greenberg*, University of Washington
(9241199)

3:40 p.m.
False division towers of elliptic curves.
David E. Rohrlich*,
(9241152)

4:15 p.m.
Positive Rational Points on Selmer Curves and Continued Fractions
Lin Tan*, West Chester University
(9241158)

4:50 p.m.
Elliptic curves and class number divisibility
Siman Wong*, Brown University
(92411256)

Saturday September 27, 1997, 9:00 a.m.10:35 a.m.
Special Session on Number Theory and Arithmetic Geometry, III
Room 325, Z Wing, Pavillon Principal de l'Universit\'e de Montr\'eal
Organizers:
Henri Rene Darmon, McGill University and CICMA darmon@math.mcGill.ca
Chantal David, Concordia University and CICMA chantal@abacus.concordia.ca
Adrian Iovita, McGill University and CICMA iovita@math.bu.edu

9:00 a.m.
Adding new pages to the genusthree bestiary
Everett W. Howe*, Center for Communications Research, La Jolla
(92414108)

9:35 a.m.
Moduli spaces of abelian varieties in positive characteristic
Jeffrey D Achter*, University of Pennsylvania
(9241424)

10:10 a.m.
Central critical values of modular $L$functions
Ken Ono*, Penn State University
(9241153)

Saturday September 27, 1997, 2:30 p.m.5:15 p.m.
Special Session on Number Theory and Arithmetic Geometry, IV
Room 325, Z Wing, Pavillon Principal de l'Universit\'e de Montr\'eal
Organizers:
Henri Rene Darmon, McGill University and CICMA darmon@math.mcGill.ca
Chantal David, Concordia University and CICMA chantal@abacus.concordia.ca
Adrian Iovita, McGill University and CICMA iovita@math.bu.edu

2:30 p.m.
Uniformity of rational and integral points  recent progress
Dan Abramovich*, AMS
(9241140)

3:05 p.m.
Uniform bounds for stably integral points on elliptic curves
Patricia L Pacelli*,
(92411248)

3:40 p.m.
Recent results in Galois module theory
Adebisi Agboola*,
(9241190)

4:15 p.m.
Height zeta functions
Yuri Tschinkel*, U.I.C.
(9241175)

4:50 p.m.
Modular forms and potentially semistable Galois representations
Fred Diamond*, Rutgers University
(92411267)

Sunday September 28, 1997, 9:00 a.m.10:35 a.m.
Special Session on Number Theory and Arithmetic Geometry, V
Room 325, Z Wing, Pavillon Principal de l'Universit\'e de Montr\'eal
Organizers:
Henri Rene Darmon, McGill University and CICMA darmon@math.mcGill.ca
Chantal David, Concordia University and CICMA chantal@abacus.concordia.ca
Adrian Iovita, McGill University and CICMA iovita@math.bu.edu

9:00 a.m.
On the analytic rank of $J_0(q)$
Emmanuel G. Kowalski*, Rutgers University
Philippe Michel, Universite de Paris Sud
(9241144)

9:35 a.m.
Discussion

10:10 a.m.
Twists of Modular Forms and Elliptic Curves.
Kevin James*, Pennsylvania State University
(9241143)

Sunday September 28, 1997, 2:30 p.m.5:15 p.m.
Special Session on Number Theory and Arithmetic Geometry, VI
Room 325, Z Wing, Pavillon Principal de l'Universit\'e de Montr\'eal
Organizers:
Henri Rene Darmon, McGill University and CICMA darmon@math.mcGill.ca
Chantal David, Concordia University and CICMA chantal@abacus.concordia.ca
Adrian Iovita, McGill University and CICMA iovita@math.bu.edu

2:30 p.m.
Discussion

3:05 p.m.
Curves of small genus. Preliminary report.
Armand Brumer*, Fordham University
(92414284)

3:40 p.m.
Base change for the conjecture of BrumerStark
David R Hayes*, UMASS Amherst
(9241185)

4:15 p.m.
Supersingular primes of elliptic curves and Drinfeld modules
Bjorn Poonen*, University of California at Berkeley
(92411238)

4:50 p.m.
Geometric proofs of classical reciprocity laws
David Grant*, University of Colorado at Boulder
(9241174)
Inquiries: meet@ams.org