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arXiv 2007.08636cs.LOmath.LO
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描述集合论与$ω$ -有限语言的幂

Descriptive Set Theory and $ω$-Powers of Finitary Languages

Olivier Finkel, Dominique Lecomte

摘要:

$ω$ -有限语言L在有限字母表$Σ$上的幂是由L $\infty$定义的$Σ$上的无限词的语言:= {w 0 w 1. .. $\in$ $Σ$ $ω$| $\forall$ i $\in$ $ω$ w i $\in$ L}。$ω$ -幂在理论计算机科学中很自然地出现在被各种自动机接受的几类无限词语言的特征中,如B{ü}chi自动机或B{ü}chi下推自动机。本文综述了描述集理论与$ω$ -幂之间的联系。

英文摘要:

The $ω$-power of a finitary language L over a finite alphabet $Σ$ is the language of infinite words over $Σ$ defined by L $\infty$ := {w 0 w 1. .. $\in$ $Σ$ $ω$ | $\forall$i $\in$ $ω$ w i $\in$ L}. The $ω$-powers appear very naturally in Theoretical Computer Science in the characterization of several classes of languages of infinite words accepted by various kinds of automata, like B{ü}chi automata or B{ü}chi pushdown automata. We survey some recent results about the links relating Descriptive Set Theory and $ω$-powers.

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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