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arXiv 1701.00840math.LO
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解析可计算结构理论与$L^p$空间

Analytic computable structure theory and $L^p$ spaces

Joe Clanin, Timothy H. McNicholl, Don Stull

摘要:

我们继续从可计算结构理论的角度研究解析空间。我们表明,如果$p \geq 1$是一个可计算的真正的,如果$Ω$是一个非零,非原子,和可分离的测度空间,然后每一个可计算的介绍$L^p(Ω)$可计算线性等距的标准可计算介绍$L^p[0,1]$,特别是,$L^p[0,1]$是可计算的范畴。我们还表明,有一个测度空间$Ω$,没有一个可计算的介绍,即使$L^p(Ω)$为每一个可计算的真正的$p \geq 1$。

英文摘要:

We continue the investigation of analytic spaces from the perspective of computable structure theory. We show that if $p \geq 1$ is a computable real, and if $Ω$ is a nonzero, non-atomic, and separable measure space, then every computable presentation of $L^p(Ω)$ is computably linearly isometric to the standard computable presentation of $L^p[0,1]$; in particular, $L^p[0,1]$ is computably categorical. We also show that there is a measure space $Ω$ that does not have a computable presentation even though $L^p(Ω)$ does for every computable real $p \geq 1$.

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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