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A characterization of dense languages

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References

  1. Lallement, Gerard,Semigroups and Combinatorial Applications, John Wiley & Sons. New York 1979.

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  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.

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

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

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Authors and Affiliations

  1. Department of Mathematics, The University of Western Ontario, London, Ontario, CANADA

    H. J. Shyr

  2. Institute of Applied Mathematics, National Chung-Hsing University, Taichung, Taiwan

    H. J. Shyr

Authors
  1. H. J. Shyr
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Additional information

Communicated by G. Lallement

Part of this research has been supported by Grant A7877 of the Natural Science and Engineering Research Council of Canada.

The author would like to thank the referee for his valuable suggestions.

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Shyr, H.J. A characterization of dense languages. Semigroup Forum 30, 237–240 (1984). https://doi.org/10.1007/BF02573454

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  • DOI: https://doi.org/10.1007/BF02573454

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