• 대한수학회논문집
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• 제11권3호
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• pp.633-641
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• 1996

Let $P_J$ be a standard parabolic subgroup of a Chevalley group G and $U_J$ the unipotent radical of $P_J$. In this paper, we find a certain partition of the set of roots corresponding to root subgroups generating $U_J$ and investigate some properties of the partition.

• 호남수학학술지
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• 제9권1호
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• pp.7-17
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• 1987