Corey Jones, Ohio State University, Vanishing of categorical obstructions for permutation orbifolds
Modular tensor categories are rich mathematical structures. They are important in the study of 2D conformal field theory, arising as categories of modules for rational vertex operator algebras. The orbifold construction A-> A^{G} for a finite group G is a fundamental method for producing new theories from old. In the case the orbifold theory is also rational, the construction of…