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arXiv 1810.04052math.RT
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对偶Weyl模的$p$ -滤子

$p$-filtrations of dual Weyl modules

Henning Haahr Andersen

摘要:

设$G$是特征为$p > 0$的域上的半单代数群.证明了当$p$不太小时,$G$的对偶Weyl模都有$p$ -滤子.此外,我们给出了这个定理在$n > 1$的$p^n$ -滤子,包含Steinberg模作为张量因子的模,以及具有$p$ -滤子的模上的Donkin猜想中的应用.

英文摘要:

Let $G$ be a semisimple algebraic group over a field of characteristic $p > 0$. We prove that the dual Weyl modules for $G$ all have $p$-filtrations when $p$ is not too small. Moreover, we give applications of this theorem to $p^n$-filtrations for $n > 1$, to modules containing the Steinberg module as a tensor factor, and to the Donkin conjecture on modules having $p$-filtrations.

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