Tonight at 20:30 Prof Imre Leader will give a talk to the TMS in the Winstanley Lecture Theatre.
As usual there will be port and juice served 15 minutes before the talk.

Talk
Speaker: Prof Imre Leader (DPMMS)
Title: Cops and Robbers
Abstract: Some cops are chasing a robber around a finite network. Moves alternate: the robber moves from where he is to an adjacent place, then all the cops move to adjacent places, and so on. For a given network, how many cops are needed to catch the robber?