Number Theory

Title: Supersingular points on some orthogonal and unitary Shimura varieties
Speaker: Benjamin Howard
Speaker Info: Boston College
Brief Description:
Special Note:

To an orthogonal group of signature (n,2), or to a unitary group of any signature, one can attach a Shimura variety. The general problem is to describe the integral models of these Shimura varieties, and their reductions modulo various primes. I will give a conjectural description of supersingular points of the reduction in the orthogonal case, and a complete description of the supersingular points in the case of a unitary group of signature (2,2). This is joint work with G. Pappas.
Date: Monday, December 02, 2013
Time: 4:00PM
Where: Lunt 107
Contact Person: Simon Marshall
Contact email: slm@math.northwestern.edu
Contact Phone: 847-467-0715
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