Workshop on Graphs and Arithmetic

March 8-12, 2010

Program

 

Monday, March 8, 2010

09:00 - 10:00
Registration (Room 5345) and Coffee & Croissants (Room 6245)


Meeting room : 6214

10:00 - 11:00
Harald Andrés Helfgott
(University of Bristol)
Growth in simple groups of Lie type
Abstract
11:00 - 11:20
Coffee break
Room 6245
11:20 - 12:00
Jerome William Hoffman
(Louisiana State University)
Zeta functions of buildings and algebraic geometry
Abstract

12:00 - 14:00
Lunch break


Meeting room : 6214

14:00 - 14:40
Chian-Jen Wang
(National Tsing Hua University)
Zeta functions of finite complexes from PGL(3)
Abstract
14:45 - 15:25
Boris Bukh
(University of Cambridge)
Sum-product theorems for polynomials
Abstract
15:30 - 16:00
Coffee break
Room 6245
16:00 - 16:40
Elena Fuchs
(Princeton University)
Counting problems in Apollonian circle packings
Abstract

 

Tuesday, March 9, 2010

09:00 - 10:00
Coffee & Croissants
Room 6245


Meeting room : 6214

10:00 - 11:00
Alex Kontorovich
(Brown University)
Recent progress on affine sieves
Abstract
11:00 - 11:20
Coffee break
Room 6245
11:20 - 12:00
Yang Fang
(Penn State University)
The zeta functions of complexes from GSP(4)
Abstract

12:00 - 14:00
Lunch break


Meeting room : 6214

14:00 - 14:40
Anne de Roton
(Université Henri Poincaré Nancy I)
Improving Roth's theorem in the primes
Abstract
14:45 - 15:25
Ming-Hsuan Kang
(Penn State University)
Zeta functions of complexes arising from PGL_n
Abstract
15:30 - 16:00
Coffee break
Room 6245
16:00 - 17:00
Mei-Chu Chang
(UC Riverside)
Incomplete character sums over finite fields
Abstract

 

Wednesday, March 10, 2010

09:00 - 10:00
Coffee & Croissants
Room 6245


Meeting room : 6214

10:00 - 11:00
Alex Lubotzky
(The Hebrew University)
Expanders and geometry
Abstract
11:00 - 11:30
Coffee break
Room 6245
11:30 - 12:30
Tamar Ziegler
(Technion - Israel Institute of Technology)
The inverse conjecture for the Gowers norms
Abstract

12:30
Lunch Break and Free Afternoon

 

Thursday, March 11, 2010

09:00 - 10:00
Coffee & Croissants
Room 6245


Meeting room : 6214

10:00 - 11:00
Jean Bourgain
(Institute for Advanced Study)
Expansion in Lie groups and applications
11:00 - 11:20
Coffee break
Room 6245
11:20 - 12:00
Peter Varju
(Princeton University)
Expansion in SLd(Z/qZ), q square-free

12:00 - 14:00
Lunch break


Meeting room : 6214

14:00 - 14:40
Adrian Ubis
(Universidad Autónoma de Madrid)
An effective Dani theorem
Abstract
14:45 - 15:25
Gilles Zémor
(Université Bordeaux 1)
Algebraic constructions of graphs and error-correcting codes, classical and quantum
Abstract
15:30 - 16:00
Coffee break
Room 6245
16:00 - 16:40
Dubi Kelmer
(University of Chicago)
A uniform strong spectral gap for congruence covers of a compact quotient of PSL(2,R)^d
Abstract

Session - 2010 André-Aisenstadt Prize Recipient Lecture
Meeting room : 1140

16:50 - 17:50
Omer Angel
(University of British Columbia)
Local and global properties of graphs
Abstract

18:00
Reception
Room 6245

 

Friday, March 12, 2010

09:00 - 10:00
Coffee & Croissants
Room 6245


Meeting room : 6214

10:00 - 11:00
László Pyber
(Hungarian Academy of Sciences)
Growth in simple groups of Lie type of bounded rank
Abstract
11:00 - 11:20
Coffee break
Room 6245
11:20 - 12:00
M. Ram Murty
(Queen's University)
Ramanujan graphs and gaps between primes
Abstract

12:00 - 14:00
Lunch break


Meeting room : 6214

14:00 - 14:40
Alexey Glibichuk
(Universidad Nacional Autonoma de México)
Properties of sum and product sets in an arbitrary finite fields
Abstract
14:45 - 15:25
Igor Shparlinski
(Macquarie University)
Graphs and matrices with integral spectrum in some families
Abstract
15:30 - 16:00
Coffee break
Room 6245

Session - CRM-ISM Colloquium
Meeting room : 6214

16:00 - 17:00
Wen-Ching Winnie Li
(The Pennsylvania State University)
Recent progress on the arithmetic of noncongruence modular forms
Abstract

17:00
Wine-and-cheese reception
Room 6245