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Hochschild Cohomology, Modular Tensor Categories, and Mapping Class Groups I

Simon Lentner , Svea Nora Mierach , Christoph Schweigert , Yorck Sommerhäuser

The book addresses a key question in topological field theory and logarithmic conformal field theory: In the case where the underlying modular category is not semisimple, topological field theory appears to suggest that mapping class groups do not only act on the spaces...