非退化辫子融合范畴的Witt群
量子代数
2011-09-08 v2 表示论
摘要
我们给出了融合范畴的Drinfeld中心作为包含Lagrangian代数的非退化辫子融合范畴的一个刻画。进一步,我们研究了非退化辫子融合范畴的幺半群模去Drinfeld中心子幺半群的商,并证明了其形式性质与经典Witt群相似。
引用
@article{arxiv.1009.2117,
title = {The Witt group of non-degenerate braided fusion categories},
author = {Alexei Davydov and Michael Mueger and Dmitri Nikshych and Victor Ostrik},
journal= {arXiv preprint arXiv:1009.2117},
year = {2011}
}
备注
37 pages; many improvements in exposition thanks to the referee suggestions; new section 3.6; new remarks 3.2, 4.12, 5.2, 5.29