English

Modular categories are not determined by their modular data

Quantum Algebra 2021-06-09 v2 Category Theory Rings and Algebras Representation Theory

Abstract

Arbitrarily many pairwise inequivalent modular categories can share the same modular data. We exhibit a family of examples that are module categories over twisted Drinfeld doubles of finite groups, and thus in particular integral modular categories.

Keywords

Cite

@article{arxiv.1708.02796,
  title  = {Modular categories are not determined by their modular data},
  author = {Michaël Mignard and Peter Schauenburg},
  journal= {arXiv preprint arXiv:1708.02796},
  year   = {2021}
}
R2 v1 2026-06-22T21:10:20.835Z