BILKENT
ALGEBRA SEMINAR

" The
Trivial Source Ring "

By

LAURENCE BARKER

Summary:
The trivial source ring, an old device in modular representation theory, is
widely believed  to
be related to local mysteries, notably Alperin's
Conjecture. It is somewhat similar to the Burnside ring in that, upon extension
of coefficients to a suitable field, it becomes a direct sum of copies of that
field, in other words, it has a basis consisting of
primitive idempotents. We shall review a  parametrization
of those primitive idempotents.  This talk will be a specialist
discussion, to take place while talks of broad interest remain in states of
preparation.

Date:
Monday, October 01,  2012

Time: 15.40-16.30

Place: Mathematics Seminar Room,
SA-141

All are most cordially invited.

Tea and cookies will be served before  the talk.