扭超loop代数的二维表示
Finite-dimensional representations of twisted hyper loop algebras
摘要:
研究了扭超圈代数的有限维表示范畴,即,与有限维单李代数上的扭圈代数有关的超代数。主要结果是不可约模的分类,泛最高权模的定义,称之为Weyl模,并在对基域特征的适当限制下,证明了扭超loop代数的单模和Weyl模分别同构于非扭超loop代数的相应单模和Weyl模,通过限制行动。
英文摘要:
We investigate the category of finite-dimensional representations of twisted hyper loop algebras, i.e., the hyperalgebras associated to twisted loop algebras over finite-dimensional simple Lie algebras. The main results are the classification of the irreducible modules, the definition of the universal highest-weight modules, called the Weyl modules, and, under a certain mild restriction on the characteristic of the ground field, a proof that the simple modules and the Weyl modules for the twisted hyper loop algebras are isomorphic to appropriate simple and Weyl modules for the non-twisted hyper loop algebras, respectively, via restriction of the action.
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