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Nonstochastic languages as projections of 2-tape quasideterministic languages
Mälardalen University, Department of Mathematics and Physics.
University of Latvia, Riga, Latvia.
University of Latvia, Riga, Latvia.
University of Latvia, Riga, Latvia.
1998 (English)In: Mathematical Foundations of Computer Science 1998: 23rd International Symposium, MFCS'98 Brno, Czech Republic, August 24–28, 1998 Proceedings, 1998, Vol. 1450, p. 213-219Conference paper, Published paper (Refereed)
Abstract [en]

A language L(n) of n-tuples of words which is recognized by a n-tape rational finite-probabilistic automaton with probability 1-ε, for arbitrary ε > 0, is called quasideterministic. It is proved in [Fr 81], that each rational stochastic language is a projection of a quasideterministic language L(n) of n-tuples of words. Had projections of quasideterministic languages on one tape always been rational stochastic languages, we would have a good characterization of the class of the rational stochastic languages. However we prove the opposite in this paper. A two-tapequasideterministic language exists, the projection of which on the first tape is a nonstochastic language.

Place, publisher, year, edition, pages
1998. Vol. 1450, p. 213-219
Series
Lecture Notes in Computer Science, ISSN 0302-9743 ; 1450
National Category
Language Technology (Computational Linguistics)
Identifiers
URN: urn:nbn:se:mdh:diva-2982DOI: 10.1007/BFb0055770ISI: 000083173400017Scopus ID: 2-s2.0-84896799447ISBN: 3540648275 (print)OAI: oai:DiVA.org:mdh-2982DiVA, id: diva2:115646
Conference
23rd International Symposium on the Mathematical Foundations of Computer Science, MFCS 1998; Brno; Czech Republic; 24 August 1998 through 28 August 1998
Available from: 2008-03-08 Created: 2008-03-08 Last updated: 2018-01-13Bibliographically approved

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CiteExportLink to record
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Citation style
  • apa
  • ieee
  • modern-language-association-8th-edition
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  • en-US
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  • nn-NB
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