On Monotonic Directable Nondeterministic Automata
On Monotonic Directable Nondeterministic Automata
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关于单调可定向非确定性自动机
DOI:
10.25596/jalc-2003-539
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发表时间:
2003
期刊:
影响因子:
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通讯作者:
Masami Ito
中科院分区:
文献类型:
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作者:
B. Imreh;C. Imreh;Masami Ito
A finite automaton is called directable if it has an input word which takes it from every state into the same state. Directability of nondeterministic (n. d.) automata can be defined in different ways. In [7], three notions of directability, D1-, D2-, and D3- directability, are introduced. Here, for each i = 1, 2, 3, we present sharp bounds for the maximal lengths of the shortest Di-directing words of n-state monotonic Di-directable n.d. automata.