关于H-闭序空间的完备性
On completeness of H-closed pospaces
摘要:
我们推广了线性序偏序空间的H-闭性的特征如下:不含无限反链的偏序空间$X$是H-闭偏序空间当且仅当$X$是有向完备和下完备偏序集,使得对于$X$中的任何非空链$L$,supPDMATHABMN和infPDMATHABMN包含在$L$的闭包中.
英文摘要:
We generalized the characterization of H-closedness for linearly ordered pospaces as follows: A pospace $X$ without an infinite antichain is an H-closed pospace if and only if $X$ is a directed complete and down-complete poset such that sup $L$ and inf $L$ are contained in the closure of $L$ for any nonempty chain $L$ in $X$.
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