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Characterizations of right dense languages

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A Corrigendum to this article was published on 01 December 1985

Abstract

Let X be an alphabet contains more than one letter and let X* be the free monoid generated by X. A language S≤X* is right dense if uX*∩S≠ϕ for all u∈X*. The purpose of this paper is to give characterizations of right dense languages.

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References

  1. Lallement, Gérard,Semigroups and Conbinatorial Applications, John Wiley & Sons. New York (1979).

    Google Scholar 

  2. Reis, C. M. and Shyr, H.J.,Some Properties of Disjunctive Languages on a Free Monoid, Information and Control, Vol. 37, No. 3, (1978) 333–344.

    Article  MathSciNet  Google Scholar 

  3. Shyr, H.J.,Disjunctive languages on a Free Monoid, Information and Control, Vol. 34, (1977) 123–129.

    Article  MATH  MathSciNet  Google Scholar 

  4. Shyr, H.J. and Thierrin G.,Disjunctive Languages and Codes, Fundaments of Computation Theory, proceedings of the 1977 International FCT-Conference, Poznan, Poland, Lecture Notes in Computer Science No. 56, Springer-Verlag (1977) 171–176.

  5. Shyr, H.J.,Free Monoids and Languages, Lecture Notes, Department of Mathematics, Soochow University, Taipei, Taiwan (1979).

    Google Scholar 

  6. Shyr, H.J.,A Characterization of Dense Languages, Semigroup Forum, Vol. 30, (1984) 237–240.

    MATH  MathSciNet  Google Scholar 

  7. Shyr, H.J. and Tseng, Din-Chang,Some Properities of Dense Languages, Soochow Journal of Mathematics, Vol. 10 (1984) 127–131.

    MATH  MathSciNet  Google Scholar 

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Communicated by Boris M. Schein

This research has been supported by Grant NSC74-0208-M005-01 R.O.C.

An erratum to this article is available at http://dx.doi.org/10.1007/BF02575546.

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Shyr, H.J. Characterizations of right dense languages. Semigroup Forum 33, 23–30 (1986). https://doi.org/10.1007/BF02573179

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  • DOI: https://doi.org/10.1007/BF02573179

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