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 s

This book gives an exposition of the relations among the following three topics: monoidal tensor categories (such as a category of representations of a quantum

Since 1991, the group of ring theorists from China and Japan, joined by Korea from 1995 onwards, took turns to hold the quadrennial international conferences (s