Event time:
Friday, September 25, 2009 - 10:15am to 11:30am
Location:
Seminar Room-431DL
Speaker:
Andrew Casson
Speaker affiliation:
Yale University
Event description:
Prof. Andrew Casson will give a guest lecture in Lubotzky’s course in which he will explain the result of Lackenby relating Heegard genus of 3-manifold with the Cheeger invariant (property ‘tau’ and expanders).