基本释义:

不可约概形

网络释义

1)irreducible scheme,不可约概形

2)Irreducible manifold,不可约流形

3)irreducible case,不可约情形

4)dismantlable by star irreducibles,星形不可约可拆

5)star irreducible,星形不可约元

6)irreducible form,不可规约的形式

用法和例句

Improves the theorem “A finite poset is dismantlable if and only if it is dismantlable by irreducibles”, obtains a new theorem “A finite poset is homotopic dismantlable if and only if it is dismantlable by star irreducibles” and proves the equivalence of these theorems.

就Ｆｉｘｅｄ Ｐｏｉｎｔ ｉｎ Ｐｏｓｅｔ中的定理“有限偏序集Ｐ是可拆的充要条件为Ｐ是不可约可拆”进行了改进，得到了Ｐ是同伦可拆的充要条件为Ｐ是星形不可约可拆，并且证明了这两个充要条件等价，极大地简化了不可约可拆的判别