The Birman exact sequence for 3-manifolds
Jessica Banks (University of Hull)
Monday 9th February, 2015 16:00-17:00 Maths 204
This talk will consider the Birman exact sequence for a 3-manifold M. In particular, we will show there is an exact sequence 1→π1(M,p)→Mod(M,p)→Mod(M)→1 unless M is foliated by circles. We will also discuss what can be said when M is of this form.