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arXiv 1809.03085math.GN
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连通门空间与方程的拓扑解

Connected door spaces and topological solutions of equations

Jianfeng Wu, Chunli Wang, Dong Zhang

摘要:

连通门空间是一个谜一般的拓扑空间,其中每个非空子集不是开就是闭,但不能同时开和闭。本文给出了连通门空间分类定理的一个初等证明。更重要的是,我们表明,连通门拓扑结构可以被视为解决方案的估值$f(A)+f(B)=f(A\cup B)+f(A\cap B)$和方程$f(A)+f(B)=f(A\cup B)$,分别。此外,还提供了一些特殊的解决方案,这些解决方案可以看作是连通门空间的联合。

英文摘要:

The connected door space is an enigmatic topological space in which every proper nonempty subset is either open or closed, but not both. This paper provides an elementary proof of the classification theorem of connected door spaces. More importantly, we show that connected door topologies can be viewed as solutions of the valuation $f(A)+f(B)=f(A\cup B)+f(A\cap B)$ and the equation $f(A)+f(B)=f(A\cup B)$, respectively. In addition, some special solutions, which can be regarded as a union of connected door spaces, are provided.

机构、总结、中文摘要均由AI分析而来,可能存在错误,请以论文正文为准。

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