Galois Actions and Geometry -- MSRI Workshop
October 11-15, 1999

Organizers:
Pierre Debes, Hiroaki Nakamura, Akio Tamagawa

Note: This conference is now over, however, streaming video and lecture notes from the October conference are becoming available and are linked to from the
conference program page.
Transparencies of some of the talks are also available at
PDF-collection

Program

Monday, October 11
9:30-10:30, P. Debes, "Fields of definition and families of covers"
11:00-12:00, F. Pop, "Birational anabelian geometry over algebraically closed base fields"
2:00-3:00, A. Tamagawa, "Fundamental groups and geometry in positive characteristic"
4:10-5:00, MSRI-Evans Monday Lecture (60 Evans Hall UCB campus)
L. Schneps, "Topological Galois Actions"

Tuesday, October 12
9:30-10:30, L. Zapponi, "Flowers, trees and cells"
11:00-12:00, M. Raynaud, "Reduction mod.p of Galois covers of the projective line minus 3 points"
2:00-3:00, I. Efrat, "Reconstruction of fields from absolute Galois groups"
3:30-4:30, M. Saidi, "On the specialization homomorphism of fundamental groups of curves in positive characteristic"

Wednesday, October 13
9:30-10:30, K. Ribet, "Almost rational torsion points on abelian varieties"
11:00-12:00, H. Darmon, "Constructing rational points on elliptic curves: beyond complex multiplication?"
1:30-2:30, E. Kani, "p-adic representations of the K-rational geometric fundamental group of a curve over a number field"
3:20-4:10, UCB Number Theory Seminar -- 332 Evans Hall UCB campus
P.Vojta, "On Hilbert's 10th problem and the 'n squares' problem"

Thursday, October 14
9:30-10:30, R. Hain, "Weighted completion of arithmetic fundamental groups"
11:00-12:00, M. Matsumoto, "Weighted completion of Galois groups and the Deligne-Ihara conjecture"
2:00-3:00, S. Mochizuki, "The Hodge-Arakelov theory of elliptic curves"
3:30-4:30, E. Black, "Generic Galois extensions and related questions"

Friday, October 15
9:30-10:30, E. Bayer, "Galois cohomology of the classical groups"
11:00-12:00, M. Fried, "Sequences of j-line covers and theta-characteristics"
1:50-2:50, H. Nakamura, "Some aspects of Galois-Teichmüller modular groups of small type"
Conference Announcement / Members 1999-2000