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arXiv 1102.0523math.OA
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不存在非交换软映射

There are no noncommutative soft maps

Alex Chigogidze

摘要:

证明了对于紧空间的映射$f \colon X \to Y$,当$X$是枝晶且$f$是同胚或常数时,单位$\ast$ -同态$C(f) \colon C(Y) \to C(X)$在范畴$\operatorname{Mor}({\mathcal C}^{1})$中是投射的.

英文摘要:

It is shown that for a map $f \colon X \to Y$ of compact spaces the unital $\ast$-homomorphism $C(f) \colon C(Y) \to C(X)$ is projective in the category $\operatorname{Mor}({\mathcal C}^{1})$ precisely when $X$ is a dendrite and $f$ is either homeomorphism or a constant.

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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