Alternation bounds for tree automata
We consider alternation depth bounds for tree automata, that is, we limit the number of alternations of existential and universal computation steps. We show that a constant bound guarantees that the forest recognized is regular, whereas already a logarithmic bound enables the automata to recognize a...
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Dokumentumtípus: | Cikk |
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1992
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Sorozat: | Acta cybernetica
10 No. 3 |
Kulcsszavak: | Számítástechnika, Kibernetika, Automaták |
Tárgyszavak: | |
Online Access: | http://acta.bibl.u-szeged.hu/12505 |
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245 | 1 | 0 | |a Alternation bounds for tree automata |h [elektronikus dokumentum] / |c Salomaa Kai |
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300 | |a 173-197 | ||
490 | 0 | |a Acta cybernetica |v 10 No. 3 | |
520 | 3 | |a We consider alternation depth bounds for tree automata, that is, we limit the number of alternations of existential and universal computation steps. We show that a constant bound guarantees that the forest recognized is regular, whereas already a logarithmic bound enables the automata to recognize a strictly larger class of forests. As a corollary we obtain results on other types of alternation bounds for tree automata. We consider also commutation properties of independent computation steps of an alternating tree automaton. | |
650 | 4 | |a Természettudományok | |
650 | 4 | |a Számítás- és információtudomány | |
695 | |a Számítástechnika, Kibernetika, Automaták | ||
856 | 4 | 0 | |u http://acta.bibl.u-szeged.hu/12505/1/cybernetica_010_numb_003_173-197.pdf |z Dokumentum-elérés |