weyl group meaning in Chinese

外尔群
外群

The struction of s - affine weyl groups of finite dimension simple lie algebra
素特征域上扭仿射李代数的实现
We present the definition of schubert submodules and what m . e . hall has done . chapter 2 is preliminaries . we cite some relevant lemmas to introduce the properties of w , which is an element in weyl group of a lie algebra
第二节是概念和背景知识，主要是给出一些本文用到的概念及符号，以及一些本文用到的与w的性质相关的引理；并着重介绍引理2