On C*-ringed spaces

Martin Mathieu (Queen’s University Belfast)

Thursday 11th April 16:00-17:00 Maths 311B

Abstract

In Grothendieck’s sheaf theoretic approach to Algebraic Geometry the concept of a ringed space is fundamental.

In my talk I will explain the role that the new notion of “C*-ringed space”, that is, a topological space equipped with a sheaf of C*-algebras, plays in the sheaf cohomology theory for C*-algebras that we develop jointly with Pere Ara (Barcelona).

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