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On Determinism and Unambiguity of Weighted Two-Way Automata.
- Source :
-
International Journal of Foundations of Computer Science . Dec2015, Vol. 26 Issue 8, p1127-1146. 20p. - Publication Year :
- 2015
-
Abstract
- This paper deals with one-way and two-way weighted automata. When the semiring of weights is commutative, we prove that unambiguous one-way automata, unambiguous two-way automata and deterministic two-way automata realize the same (rational) power series. If the semiring of weights is not commutative, unambiguous one-way automata and deterministic two-way automata realize the same rational power series, but unambiguous two-way automata may realize non rational power series. [ABSTRACT FROM AUTHOR]
Details
- Language :
- English
- ISSN :
- 01290541
- Volume :
- 26
- Issue :
- 8
- Database :
- Academic Search Index
- Journal :
- International Journal of Foundations of Computer Science
- Publication Type :
- Academic Journal
- Accession number :
- 113271650
- Full Text :
- https://doi.org/10.1142/S0129054115400158