English

Categorical representations of categorical groups

Category Theory 2007-05-23 v2 General Relativity and Quantum Cosmology Quantum Algebra

Abstract

The representation theory for categorical groups is constructed. Each categorical group determines a monoidal bicategory of representations. Typically, these categories contain representations which are indecomposable but not irreducible. A simple example is computed in explicit detail.

Keywords

Cite

@article{arxiv.math/0407463,
  title  = {Categorical representations of categorical groups},
  author = {John W. Barrett and Marco Mackaay},
  journal= {arXiv preprint arXiv:math/0407463},
  year   = {2007}
}

Comments

35 pages. v2: improved presentation with additional proofs

R2 v1 2026-07-22T17:08:12.642Z