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单词 Imprimitive group
释义

Imprimitive group

英语百科

Primitive permutation group

In mathematics, a permutation group G acting on a set X is called primitive if G acts transitively on X and G preserves no nontrivial partition of X. (The hypothesis of transitivity can be dropped if |X|>2.) Otherwise, if G is transitive and G does preserve a nontrivial partition, G is called imprimitive.

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更新时间:2025/6/20 16:08:45