### Algebra-Number Theory Archives for Academic Year 2012

#### Normal Functions and the Hodge Conjecture

When: Tue, January 17, 2012 - 2:00pm

Where: Math 3206

Speaker: Gregory Pearlstein (Michigan State University ) - http://www.math.msu.edu/~gpearl/

Abstract: The theory of normal functions and the

Hodge conjecture have their origin in the study

of algebraic cycles by Lefschetz and Poincare.

I will sketch the history of the subject and

discuss some of my recent work on singularities

of normal functions to the Hodge conjecture

and the zero locus of a normal function to

a conjectural filtration of Bloch and Beilinson.

#### TBA

When: Tue, January 17, 2012 - 3:30pm

Where: Math 3206

Speaker: Marc Levine (Universität Duisburg-Essen) - http://www.esaga.uni-due.de/marc.levine/

#### Algebra/Number Theory Seminar

When: Mon, April 23, 2012 - 2:00pm

Where: MTH 1311

Speaker: Harry Tamvakis, University of Maryland

Title: Schubert varieties on isotropic Grassmannians

#### Algebra/Number Theory Seminar

When: Wed, April 25, 2012 - 2:00pm

Where: MTH 1311

Speaker: Benoit Stroh (Paris-Nord)

Title: Overconvergence and classicity for Hilbert modular forms

#### Algebra/Number Theory Seminar

When: Tue, May 1, 2012 - 3:30pm

Where: MTH 1313

Speaker: Kristin Lauter, Microsoft Research

Title: A Generalized Gross-Zagier formula for Singular Moduli

#### Algebra/Number Theory Seminar

When: Wed, May 9, 2012 - 2:00pm

Where: MTH 1311

Speaker: Andrei Caldararu, University of Wisconsin

Title: The Hodge theorem as a derived self-intersection

#### Algebra/Number Theory Seminar

When: Mon, May 14, 2012 - 2:00pm

Where: MTH 1311

Speaker: Gregory Pearlstein (Michigan State Univ.)

Title: Boundary Components of Mumford-Tate Domains