Place: Fields Institute (Stewart Library)
Date: May 19, 2017 (13:30-15:00)
Speaker: Dana Bartosova, CMU
Title: When can we act freely?
Abstract: A topological group admits a free action if there is a compact
Hausdorff space on which the group acts without fixed points. I will
discuss this notion and explain how to translate it into colourings of
graphs and Ramsey type properties.