弱shod代数的Galois覆盖
表示论
2011-01-20 v2
摘要
我们研究了弱shod代数的Galois覆盖。对于非标准型拟倾斜的弱shod代数，我们建立了其Galois覆盖与其连接分支的Galois覆盖之间的对应关系。作为推论，我们证明了弱shod代数是单连通的当且仅当其第一Hochschild上同调群为零。
引用
@article{arxiv.0809.5122,
title = {Galois coverings of weakly shod algebras},
author = {Patrick Le Meur},
journal= {arXiv preprint arXiv:0809.5122},
year = {2011}
}
备注
Some references were added. The proof of Lemma 6.5 was modified