Webinar: Dirac Operators on Orientifolds

Simon Kitson   (The Australian National University)

10:00-11:00, April 14, 2020   https://zoom.com.cn/j/7963934612

Abstract:

I will describe a canonical construction that produces Atiyah-Singer Dirac operators with both unitary and anti-unitary symmetries. This includes a general construction for Real Dirac operators, which has been missing from the literature. The construction is closely related to the notion of K-orientation for the K-theory of vector bundles with linear/anti-linear symmetries, and the geometric realisation of the corresponding K-homology theory.

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