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University of Cambridge > Talks.cam > Isaac Newton Institute Seminar Series > Kramer-Wannier and electro-magnetic duality in field theory

## Kramer-Wannier and electro-magnetic duality in field theoryAdd to your list(s) Download to your calendar using vCal - Constantin Teleman (University of Oxford)
- Wednesday 14 June 2017, 09:00-10:00
- Seminar Room 1, Newton Institute.
If you have a question about this talk, please contact info@newton.ac.uk. OASW03 - Subfactors, K-theory and conformal field theory A classical duality (Kramer-Wannier) relates the low and high temperature of the 2-dimensional Ising model. It has been generalized to other dimensions and groups other than Z/2 and distilled into Poincare duality combined with the Abelian Fourier transform. In this talk, I describe a vast generalization in the language of topological field theories, which includes non-Abelian examples. Via the notion of boundary field theory, thus is related to a duality of TQF Ts, specifically electro-magnetic duality in 3 dimensions. There arises a natural speculation about invertibility of gapped phases in a large class of lattice models. This is joint work (in progress) with Dan Freed. This talk is part of the Isaac Newton Institute Seminar Series series. ## This talk is included in these lists:- All CMS events
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