MONDAY, APRIL 25

Elementary Methods: (B. Mezhericher)
Matt DeLand
"Group actions and automorphisms of Riemann surfaces"
4:15 p.m., 528 Math.

Physics Colloquium:
Cristina Marchetti (Syracuse University)
"Rain down dirty windshields & vortices in superconductors:
     the collective dynamics of driven disorderd systems"
4:15 p.m., 428 PUPIN HALL
Coffee served at 3:30 on the 7th floor hall, 705 PUPIN HALL.

Applied Mathematics Colloquium:
Robert Kirby (Chicago)
"Automation and algorithmics for finite element methods"
2:45 p.m., 214 Mudd

Mathematics of Finance Practitioners Seminar: (M. Smirnov)
Speaker: TBA
Title: TBA
7:40-9:00 p.m., 207 Math.

THURSDAY, APRIL 28

Geometry and Analysis: (M.T. Wang, M.P. Tsui)
Jiaping Wang (University of Minnesota)
"Generalized Poincare inequality and applications"
4:30 p.m., 507 Math.

Mathematics of Finance Practitioners Seminar: (M. Smirnov)
Sebastian Ceria (Axioma Inc)
Title: TBA
7:40-9:00 p.m., 207 Math.

FRIDAY, APRIL 29

Probability: (P. Bank)
Martijn Pistorius (King's College, London)
Title: TBA
11:00 a.m., 520 Math
Coffee and tea will be served at 10:30 a.m., 508 Math.

DOUBLE HEADER l: Geometric Topology:  (C. Leininger)
Bruce Kleiner (UMich & NYU)
"The geometry of right-angled Artin groups"
11:00 a.m., 507 Math.

DOUBLE HEADER Il: Geometric Topology:  (C. Leininger)
Wu Jie (NUS)
"Homotopy groups and braids"
1:15 p.m., 507 Math.

Ellis R. Kolchin Memorial Lectures
Curt McMullen (Harvard)
"Billiards"
4:30 p.m., 312 Math.
Tea will be served at 3:45 p.m., 508 Math.