Diophantine exponents of affine subspaces.

Seminar: 
Group Actions and Dynamics
Event time: 
Monday, October 22, 2007 - 12:30pm to 1:30pm
Location: 
431 DL
Speaker: 
Yuqing Zhang
Speaker affiliation: 
Brandeis University
Event description: 

We will show application of nondivergence for unipotent flows on homogeneous spaces to Diophantine approximation, and compute Diophantine exponents of affine subspaces of \R^n and their nondegenerate submanifolds.