Québec-Vermont Number Theory Seminars 2004-2005

Organizers for 2004-2005:
Andrew Granville -- andrew@dms.umontreal.ca
Chantal David -- cdavid@mathstat.concordia.ca

Time and location - McGill/Concordia
    Thursday morning:     10:30-12:00, McGill University, Burnside Hall 920.
    Thursday afternoon: 14:15-15:45, Concordia University, Library Building LB-540.
                                     16:15-17:00, Concordia University, Library Building LB-540.

Time and location - Université de Montréal
   Thursday morning:      10:30-12:00, Pavillon André-Aisenstadt, Room 6214.
   Thursday afternoon: 14:15-14:45, Pavillon André-Aisenstadt, Room 6214.
                                    16:15-17:00, Pavillon André-Aisenstadt, Room 6214.

Time and location - Burlington
    Thursday morning:     10:30-12:00, University of Vermont, Mathematics Conference Room.
    Thursday afternoon: 14:15-15:45, University of Vermont, Mathematics Conference Room.

Fall 2004

Thursday, September 16, 2004
Université de Montréal

10h30-12h00 Pavillon André-Aisenstadt, Room 6214
Speaker: Dino Lorenzini (University of Georgia)
Title: Some consequences of a theorem of M. Raynaud

14h15-15h45 Pavillon André-Aisenstadt, Room 6214
Speaker: Kartik Prasanna (UCLA)
Title: Arithmetic properties of the theta correspondence and periods of modular forms

16h15-17h00 Pavillon André-Aisenstadt, Room 6214
Speaker: Chantal David (Concordia)
Title: Vanishing of L-functions and Random Matrix Theory

There will be a welcome-back reception after the last talk in the Salon Maurice L'Abbé, Room 6245

Thursday, September 23, 2004
McGill University/Concordia University

10h30-12h00 Burnside Hall, Room 920
Speaker: Haruzo Hida (UCLA)
Title: The integral basis problem of Eichler

14h15-15h45 Library Building, Room LB-540
Speaker: Ye Tian (CICMA)
Title: Euler systems of CM points over totally real fields

Thursday, October 7, 2004
McGill University/Concordia University

10h30-12h00 Burnside Hall, Room 920
Speaker: Jean-Louis Colliot-Thelene (Paris-Sud)
Title: Points rationnels et zéro-cycles sur les groupes linéaires

14h15-15h45 Library Building, Room LB-540
Speaker: Harald Helfgott (CICMA)
Title: On the number of elliptic curves of a given conductor

Thursday, October 14, 2004
McGill University/Concordia University

10h30-12h00 Burnside Hall, Room 920
Speaker: Payman Kassaei (CICMA)
Title: On classicality of overconvergent modular forms

14h15-15h45 Library Building, Room LB-540
Speaker: Marvin Knopp (Temple University)
Title: Vector Valued Modular Forms

Thursday, October 28, 2004:
Université de Montréal

10h30-12h00 Pavillon André-Aisenstadt, Room 6214
Speaker: Guillaume Ricotta (CICMA)
Title: Real zeros and size of Rankin-Selberg L-functions in the level aspect

14h15-15h45 Pavillon André-Aisenstadt, Room 6214
Speaker: Yoshikata Hachimori (CICMA)
Title: On Iwasawa theory for p-adic Lie extensions

Thursday, November 11, 2004:
McGill University/Concordia University

10h30-12h00 Burnside Hall, Room 920
Speaker: Akshay Venkatesh (NYU/CMI)
Title: Equidistribution and subconvexity

14h15-15h45 Library Building, Room LB-540
Speaker: Manfred Einsiedler (Universitat Wien and Princeton)
Title: Applying measure rigidity for the Cartan action, Littlewood's conjecture and more

16h15-17h00 Library Building, Room LB-540
Speaker: Peter Clark (CICMA)
Title: Bounds for torsion on anisotropic abelian varieties

Thursday, December 9, 2004:
McGill University/Concordia University

10h30-12h00 McGill, Burnside Hall, Room 920
Speaker: Mark Kisin (Chicago)
Title: F-crystals and crystalline representations

14h15-15h45 Concordia, Library Building, Room LB-540
Speaker: Jordan Ellenberg (Wisconsin)
Title: Descent bounds for rational points on some curves and higher-dimensional varieties

16h15-16h45 Concordia, Library Building, Room LB-540
Speaker: Gabor Kun (Eotvos Universtity, Budapest)
Title: On the prime values of reducible polynomials

Winter 2005

Thursday, January 6, 2005:
McGill University/Concordia University

10h30-12h00 McGill, Burnside Hall, Room 920
Speaker: John Labute (McGill)
Title: Galois Groups of p-Extensions Q With Restricted Ramification

14h15-15h45 Concordia, Library Building, Room LB-540
Speaker: Eyal Goren (McGill)
Title: Progress on the problem of constructing higher analogues of elliptic units

Thursday, January 20, 2005:
McGill University/Concordia University

10h30-12h00 McGill, Burnside Hall, Room 920
Speaker: Romyar Sharifi (McMaster)
Title: Cup products, Iwasawa theory, and the Eisenstein ideal

14h15-15h00 Concordia, Library Building, Room LB-540
Speaker: Alexandru Ghitza (CICMA)
Title: Weight 1 weirdness

15h15-16h00 Concordia, Library Building, Room LB-540
Speaker: Jonathan Pila (McGill)
Title: Density of rational points

Thursday, February 3, 2005:
McGill University/Concordia University

10h30-12h00 McGill, Burnside Hall, Room 920
Speaker: Wenzhi Luo (Ohio State)
Title: Nonvanishing theorems for automorphic L-functions on GL(n)

14h15-15h45 Concordia, Library Building, Room LB-540
Speaker: Damien Roy (University of Ottawa)
Title: Diophantine approximation in small degree

16h15-17h00 Concordia, Library Building, Room LB-540
Speaker: Andrew Granville (Universite de Montreal)
Title: The Polya-Vinogradov Theorem revisited

Thursday, February 17, 2005:
McGill University/Concordia University

10h30-12h00 McGill, Burnside Hall, Room 920
Speaker: David McKinnon (Waterloo)
Title: Rational approximation of rational points on varieties

14h15-15h45 Concordia, Library Building, Room LB-540
Speaker: Denis Thérien (McGill)
Title: Number-theoretic issues in boolean circuit complexity

Thursday, March 3, 2005:
McGill University/Concordia University

10h30-12h00 McGill, Burnside Hall, Room 920
Speaker: Farshid Hajir (Amherst)
Title: Finitely Ramified Iterated Monodromy Representations

14h15-15h45 Concordia, Library Building, Room LB-540
Speaker: Jason Lucier (Waterloo)
Title: Differences of integers

Thursday, March 17, 2005:
McGill University/Concordia University

10h30-12h00 McGill, Burnside Hall, Room 920
Speaker: Alexandru Popa (Princeton)
Title: Closed geodesics on modular curves and special values of L-series

14h15-15h15 Concordia, Library Building, Room LB-540
Speaker: Jorge Devoto (Buenos Aires)
Title: An introduction to elliptic cohomology and K3 cohomology

15h45-16h45 Concordia, Library Building, Room LB-540
Speaker: Nora Ganter (Urbana-Champaign)
Title: Introduction to equivariant elliptic cohomology

Thursday, March 31, 2005:
McGill University/Concordia University

10h30-12h00 McGill, Burnside Hall, Room 920
Speaker: Ali Ozluk (University of Maine)
Title: One-Level Density Conjecture for Quadratic Dirichlet L-functions

14h15-15h45 Concordia, Library Building, Room LB-540
Speaker: Pierre Charollois (Bordeaux)
Title: Stark units and periods of Hilbert modular forms

Thursday, April 7, 2005:
McGill University/Concordia University

10h30-12h00 McGill, Burnside Hall, Room 920
Speaker: John Cremona (Nottingham)
Title: Finding all elliptic curves with good reduction outside a given set of primes

14h15-15h45 Concordia, Library Building, Room LB-540
Speaker: Gergely Harcos (University of Texas)
Title: A Burgess-like subconvex bound for twisted L-functions

16h15-17h00 Concordia, Library Building, Room LB-540
Speaker: Nyandwi Servat (Université de Tunis El Manar)
Title: Moyenne de la fonction de Piltz sur les entiers sans grand facteur premier

Thursday, April 21, 2005:
McGill University/Concordia University

10h30-12h00 McGill, Burnside Hall, Room 920
Speaker: David Savitt (CICMA)
Title: The level 1 case of Serre's conjecture (after Khare and Khare-Wintenberger) I

14h15-15h45 Concordia, Library Building, Room LB-540
Speaker: David Savitt (CICMA)
Title: The level 1 case of Serre's conjecture (after Khare and Khare-Wintenberger) II

Thursday, May 5, 2005:
McGill University/Concordia University

10h30-12h00 McGill, Burnside Hall, Room 920
Speaker: R. Sujatha (Tata Institute)
Title: Iwasawa theory over p-adic Lie extensions

14h15-15h45 Concordia, Library Building, Room LB-540
Speaker: Peter Clark (CICMA)
Title: Arithmetic of algebraic curves with Galois Belyi maps

16h00-17h00 Concordia, Library Building, Room LB-540
Speaker: John Coates (Cambridge)
Title: Iwasawa Theory for the False Tate Curve Extension

Thursday, May 26, 2005:
Université de Montréal

10h30-12h00 Pavillon André-Aisenstadt, Room 5340
Speaker: Gregory Freiman (Tel Aviv)
Title: TBA

14h15-15h45
Speaker:
Title: