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单词 NormalVariety
释义

normal variety


Let X be a varietyMathworldPlanetmathPlanetmath. X is said to be normal at a point pX if the local ringMathworldPlanetmath 𝒪p is integrally closedMathworldPlanetmath. X is said to be normal if it is normal at every point. If X is non-singularPlanetmathPlanetmath at p, it is normal at p, since regular local ringsMathworldPlanetmath are integrally closed.

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更新时间:2025/5/4 6:39:18