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单词 nilmanifold
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nilmanifold

英汉-汉英词典
n. 幂零流形
词组 | 习惯用语
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  • minefield n. 雷区 n. 需小心应付的局势
  • manifold vt. 复写,复印;使……多样化;增多 adj. 多方面的,有许多部分的;各式各样的
  • ninefold adv. 九倍地;九重地 adj. 九重的;九倍的
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Nilmanifold

In mathematics, a nilmanifold is a differentiable manifold which has a transitive nilpotent group of diffeomorphisms acting on it. As such, a nilmanifold is an example of a homogeneous space and is diffeomorphic to the quotient space N/H, the quotient of a nilpotent Lie group N modulo a closed subgroup H. This notion was introduced by A. Mal'cev in 1951.

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更新时间:2025/6/21 18:08:38