On conjugating representations and adjoint representations of semisimple groups

On conjugating representations and adjoint representations of semisimple groups
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关于半单群的共轭表示和伴随表示

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发表时间:
1988
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通讯作者:
S. Donkin
S. Donkin
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作者:
S. Donkin

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其中Ea是最大权值为2的不可约g模的直接和。在这里,我们考虑任意特征的共轭表示,并证明理查德森定理的适当版本(在小的,几乎肯定是不必要的,特征/根系统限制下)。我们不能再把A (G)分解成齐次分量,而是证明了升序的存在性
where Ea is a direct sum of irreducible G-modules of highest weight 2. Here we consider the conjugating representation in arbitrary characteristic and prove the appropriate version of Richardson's Theorem (under small, and almost certainly unnecessary, characteristic/root-system restrictions). One can no longer decompose A (G) into homogeneous components but instead we prove the existence of an ascending