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:
影响因子:
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通讯作者:
D. Kirsten
中科院分区:
文献类型:
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作者:
D. Kirsten
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.