Distance desert automata and the star height problem

Distance desert automata and the star height problem
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距离沙漠自动机和星高问题

DOI:
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发表时间:
2005
期刊:
RAIRO - Theoretical Informatics and Applications
影响因子:
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通讯作者:
D. Kirsten
D. Kirsten
中科院分区:
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文献类型:
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作者:
D. Kirsten

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我们证明,n 状态非确定性自动机接受的语言是否为星高一问题,在时间复杂度 (2^{2^{2^{O{(n)}}}}) 上是可判定的,这是星高一问题的第一个复杂性结果。为了实现这一目标,我们引入距离沙漠自动机作为距离自动机和沙漠自动机的联合推广,并通过解决潜在的 Burnside 问题来展示其有限性问题的可判定性。
We show that it is decidable in time complexity (2^{2^{2^{O{(n)}}}}) whether the language accepted by an n-state non-deterministic automaton is of star height one, which is the first ever complexity result for the star height one problem. To achieve this, we introduce distance desert automata as a joint generalization of distance automata and desert automata, and show the decidability of its limitedness problem by solving the underlying Burnside problem.