All ebooks by Simon Lentner in PDF

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...