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Integral Ext 2 Between Hook Weyl Modules
Algebras and Representation Theory ( IF 0.5 ) Pub Date : 2020-10-27 , DOI: 10.1007/s10468-020-10005-x
Dimitra-Dionysia Stergiopoulou

This paper concerns representations of the integral general linear group. The extension groups Ext2 between any pair of hook Weyl modules are determined via a detailed study of cyclic generators and relations associated to certain extensions. As a corollary, the modular extension groups Ext1 between such modules are determined.



中文翻译:

挂钩Weyl模块之间的集成Ext 2

本文涉及积分一般线性群的表示。通过对循环生成器和与某些扩展相关的关系的详细研究,可以确定任何一对钩Weyl模块之间的扩展组Ext 2。因此,确定了这些模块之间的模块化扩展组Ext 1

更新日期:2020-10-30
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