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Subsemigroups of Free Semigroups

  • B. J. Saunders

Abstract

The notion of a metrical semigroup is introduced. A metrical morphism between metrical semigroups is defined. It is then discussed how these notions help in investigating the problem of embedding a semigroup into a free semigroup.

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References

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Copyright information

© Springer Science+Business Media New York 1990

Authors and Affiliations

  • B. J. Saunders
    • 1
  1. 1.Mathematical InstituteUniversity of. St. AndrewsSt. Andrews, FifeScotland

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