Seminar series
Date
Wed, 09 Jun 2010
Time
11:30 -
12:30
Location
ChCh, Tom Gate, Room 2
Speaker
Dawid Kielak
Organisation
University of Oxford
We will introduce both the classical Hanna Neumann Conjecture and its strengthened version, discuss Stallings' reformulation in terms of immersions of graphs, and look at some partial results. If time allows we shall also look at the new approach of Joel Friedmann.