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On homomorphisms involving a hook Weyl module
Journal of Algebra ( IF 0.9 ) Pub Date : 2021-06-08 , DOI: 10.1016/j.jalgebra.2021.05.016 Mihalis Maliakas , Dimitra-Dionysia Stergiopoulou
中文翻译:
关于钩子 Weyl 模块的同态
更新日期:2021-06-14
Journal of Algebra ( IF 0.9 ) Pub Date : 2021-06-08 , DOI: 10.1016/j.jalgebra.2021.05.016 Mihalis Maliakas , Dimitra-Dionysia Stergiopoulou
For an infinite field k of positive characteristic, we determine all homomorphisms between Weyl modules for , where one of the partitions is a hook. As a consequence we obtain a non-vanishing result concerning homomorphisms between Weyl modules for algebraic groups of type B, C and D when one of the partitions is a hook.
中文翻译:
关于钩子 Weyl 模块的同态
对于具有正特征的无穷场k,我们确定 Weyl 模之间的所有同态,其中一个分区是一个钩子。因此,当分区之一是钩子时,我们获得了关于B、C和D类型代数群的 Weyl 模之间的同态的非零结果。