Presented by:
Benjamin Böhme University of Copenhagen
Date:
Tuesday 9th October 2018 - 15:30 to 16:30
Venue:
INI Seminar Room 2
Abstract:
My PhD research concerns multiplicative phenomena in
> equivariant stable homotopy theory. Equivariantly
with respect to a
> finite group G, there are many different notions of
a commutative ring
> spectrum. The idempotent summands of the genuine
equivariant versions
> of the sphere spectrum and the topological K-theory
spectra provide
> natural examples of such objects. I give a complete
characterization
> of the best possible equivariant commutative ring
structures on these
> summands. As an important step in my approach, I
establish a
> classification of the idempotent elements in the
(p-local)
> representation ring of G, which may be of
independent interest.
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