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A mathematical theory of the gapped/gapless boundaries of 2+1D topological orders

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BID - Quantum field theory with boundaries, impurities, and defects

In this talk, I will review the unified mathematical theory of the gapped and gapless boundaries of 2+1D topological orders developed in arXiv:1705.01087. I will also show that ideas of sandwich construction, SymTFT and topological holography are the consequences of this theory. 

This talk is part of the Isaac Newton Institute Seminar Series series.

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Seminar time is 1pm BST in Room FW 11, Willam Gates Hall. Zoom link: https://cl-cam-ac-uk.zoom.us/j/4361570789?pwd=Nkl2T3ZLaTZwRm05bzRTOUUxY3Q4QT09&from=addon email hh463@cam.ac.uk for passcode - To be confirmed -

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