2005/05/19 | 不可约簇[Irreducible Variety]
类别(∑〖数学〗) | 评论(0) | 阅读(40) | 发表于 21:58
An algebraic variety is called irreducible if it cannot be written as the union of nonempty algebraic varieties. For example, the set of solutions to xy = 0 is reducible because it is the union of the solutions to x = 0 and the solutions to y = 0.
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