PrerequisiteGraduate level algebra.AbstractIn this course, we first introduce the notion modular tensor categories, and briefly explain how they are related to many areas of mathematics and physics. Then we will focus on the algebraic properties of MTC, mainly from their rationality, Galois symmetry and congruence properties.Lecturer Intro.Yilong Wang graduated from The Ohio State University in...
AbstractIt is known that 2d (spatial dimension) symmetry protected topological (SPT) orders and symmetry enriched topological (SET) orders with finite onsite symmetries can be characterized by using the idea of gauging the symmetry and minimal modular extensions. In this talk, I will introduce another characterization of SPT/SET orders in all dimensions based on the boundary-bulk relation. In 1...