中文

几何晶体上的半势与胞腔晶体的连通性

量子代数 2022-07-15 v3 表示论

摘要

对于任意简单复代数群,我们定义上/下半装饰几何晶体,并证明其热带化将是上/下正规 Kashiwara 晶体。特别地,我们证明大 Bruhat 胞(=Bw0:=BUwˉ0UB^-_{w_0}:=B^-\cap U\bar w_0 U)上半装饰几何晶体的热带化同构于量子群 Uq(g)U_q^-(\mathfrak g) 幂零子代数的晶体 B()B(\infty)。作为一个应用,我们将证明与化简词相关联的任意胞腔晶体在晶体图意义下是连通的。

关键词

引用

@article{arxiv.1910.06182,
  title  = {Half Potential on Geometric Crystals and Connectedness of Cellular Crystals},
  author = {Yuki Kanakubo and Toshiki Nakashima},
  journal= {arXiv preprint arXiv:1910.06182},
  year   = {2022}
}

备注

The gap in the proof has been filled. Some theorem was added