Invariant valuations on `star-shaped' sets

Scott Godefroy

Wednesday, April 21, 2004
1:00 pm, 845 Patterson Office Tower
NOTE DAY!

Abstract:

A subset of R^n is called star-shaped if it contains the origin and its intersection with any line passing through the origin is a closed interval. We will discuss Daniel Klain's 1996 characterization of certain 'continuous' set functions (valuations) defined on these sets and invariant under rotations.