Colloquium
3:00 p.m., Thursday (Dec. 11, 2003)
Math Annex 1100
Alejandro Adem
University of Wisconsin, Madison
Periodic Complexes, Fixity and Group Actions
A classical result in topology is the characterization of those
finite groups which can act freely on spheres. After providing
general background on the subject, we will describe recent work
on extending this to other spaces and groups, in particular
towards understanding the situation for a product of two spheres.
We will exhibit some very explicit examples arising from
representation theory which provide natural geometric models
for these constructions.
Refreshments will be served at 2:45 p.m. in the Faculty Lounge,
Math Annex (Room 1115).
