RTG SEMINAR TALK
FOR GRADUATE STUDENTS AT 4:00 P.M.
: The seminar will have a special RTG talk at 4:00 P.M. every Thursday when the seminar meets. The RTG talk will be aimed at graduate students and postdocs; regular faculty are requested not to attend. 

Date 
Place and Time  Speaker  Affiliation  Title  
February 2

COLUMBIA UNIVERSITY
RTG Seminar: 4:004:45 in Room 528 NUMBER THEORY
SEMINAR: 5:307:00 in Room 312
TEA: 5:005:30 served in the Math Lounge
on the 5th floor.

Kumar Murty 
University of Toronto 
BOUNDED GENERATION, CONGRUENCE SUBGROUPS, AND SPLITTING OF PRIMES 
abstract 
February 9 
CUNY GRADUATE CENTER RTG Seminar: 4:004:45, Room 4214 NUMBER THEORY SEMINAR: 5:307:00 (all talks in Room 4214Math Lounge) TEA: 5:005:30 served in Room 4214 (Math Lounge) 
David Brown 
Emory University 
RTG TALK : An introduction to cohomology and crystals RIGID COHOMOLOGY OF ALGEBRAIC STACKS 
abstract 
February 16 
NYU, COURANT INSTITUTE
RTG Seminar: 4:004:45 in Room Meyer 102 NUMBER THEORY SEMINAR: 5:307:00 NYU TALK WILL BE IN MYER HALL (PHYSICS DEPT.) ROOM 121 AT #4WASHINGTON PLACE TEA: 5:00  5:30 served in Meyer Hall Lobby 
Arul Shankar 
Princeton University 
THE AVERAGE SIZE OF THE 2TORSION IN CLASS GROUPS OF CUBIC FIELDS 
abstract 
February 23 
COLUMBIA UNIVERSITY
RTG Seminar: 4:104:55 in Room 528 NUMBER THEORY
SEMINAR: 5:307:00 in Room 312
TEA: 5:005:30 served in the Math Lounge
on the 5th floor.

Lucien Szpiro 
CUNY 
LOCAL AND GLOBAL INVARIANTS OF POLARIZED SELF MAPS 
abstract 
March 1 
CUNY
GRADUATE CENTER RTG Seminar: 4:004:45, Room C198 NUMBER THEORY SEMINAR: 5:307:00 (all talks in Room C198) TEA: 5:005:30 served in Room C198, Clevel: one floor down from lobby. 
Mike Zieve 
University of Michigan 
RTG TALK: Galois theory of fibered products A UNIFORM BOUNDEDNESS THEOREM FOR POLYNOMIAL MAPS 
abstract 
March 8 
NYU,
COURANT INSTITUTE RTG Seminar: 4:004:45 in Room Meyer 102 NUMBER THEORY SEMINAR: 5:307:00 NYU TALK WILL BE IN MYER HALL (PHYSICS DEPT.) ROOM 121 AT #4WASHINGTON PLACE TEA: 5:00  5:30 served in Meyer Hall Lobby 
Rob Harron 
University of Wisconsin 
LINVARIANTS OF SYMMETRIC POWERS OF MODULAR FORMS 
abstract 
March 15 
Spring Break (Columbia, NYU) 
Spring Break 
Spring Break 
Spring Break 

March 22 
COLUMBIA UNIVERSITY
RTG Seminar: 4:104:55 in Room 528 NUMBER THEORY
SEMINAR: 5:307:00 in Room 312
TEA: 5:005:30 served in the Math Lounge
on the 5th floor.

Daniel Bump 
Stanford University 
WHITTAKER FUNCTIONS AND DEMAZURE OPERATORS 
abstract 
March 29 
CUNY
GRADUATE CENTER RTG Seminar: 4:004:45 NUMBER THEORY SEMINAR: 5:307:00 (all talks in Room 9206) TEA: 5:005:30 served in Room 9206. 
Dino Lorenzini 
University of Georgia 
THE INDEX OF AN ALGEBRAIC VARIETY 
abstract 
April 5 
NYU,
COURANT INSTITUTE RTG Seminar: 4:004:45 in Room Meyer 102 NUMBER THEORY SEMINAR: 5:307:00 NYU TALK WILL BE IN MYER HALL (PHYSICS DEPT.) ROOM 121 AT #4WASHINGTON PLACE TEA: 5:00  5:30 served in Meyer Hall Lobby 
Tony Varilly 
Rice University 
FAILURE OF THE HASSE PRINCIPLE ON GENERAL K3 SURFACES 
abstract 
April 12

Spring Break (CUNY) 
Spring Break 
Spring Break 
Spring Break 

April 19 
RITT LECTURES!
COLUMBIA UNIVERSITY FIRST RITT LECTURE : 5:306:30 in Room 312 TEA: 5:005:30 served in the Math Lounge
on the 5th floor. 
Pierre Colmez 
Université Pierre et Marie Curie, Paris 
pADIC ANALYSIS AND GALOIS REPRESENTATIONS 
abstract 
April 20 
RITT LECTURES!
SECOND RITT LECTURE: 3:304:30 in Room 312 TEA: 3:003:30 served in the Math Lounge on the 5th floor. 
Pierre Colmez 
Université Pierre et Marie Curie, Paris 
pADIC ANALYSIS AND GALOIS REPRESENTATIONS 
abstract 
April 26 
DOUBLE
HEADER CUNY GRADUATE CENTER FIRST TALK: 4:305:30 SECOND TALK: 6:007:00 (all talks in Room 9206) TEA: 5:306:00 served in Room 9206. 
R. Parimala Paul Vojta 
Emory University UC, Berkeley 
REQUIVALENCE IN ALGEBRAIC GROUPS AND KNESERTITS CONJECTURE UNDERSTANDING DYSON'S LEMMA FOR PRODUCTS OF ARBITRARY CURVES 
abstract abstract 