On formal codegrees of fusion categories
Quantum Algebra
2008-11-07 v2 Category Theory
Abstract
We prove a general result which implies that the global and Frobenius-Perron dimensions of a fusion category generate Galois invariant ideals in the ring of algebraic integers.
Cite
@article{arxiv.0810.3242,
title = {On formal codegrees of fusion categories},
author = {Victor Ostrik},
journal= {arXiv preprint arXiv:0810.3242},
year = {2008}
}
Comments
7 pages; example is added in the Introduction