Semigroup Forum

, Volume 13, Issue 1, pp 261–265 | Cite as

On middle units in orthodox semigroups

  • T. S. Blyth
Research Article


Orthodox Semigroup Middle Unit 


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  1. [1]
    CLIFFORD A.H. and G.B. PRESTON,The Algebraic Theory of Semigroups, vol. 1, Math. Surveys No. 7, Amer. Math. Soc., Providence R.I., 1961.Google Scholar
  2. [2]
    HALL, T.R.,On regular semigroups whose idempotents form a subsemigroup, Bull. Australian Math. Soc., 1 (1969), 195–208.Google Scholar

Copyright information

© Springer-Verlag New York Inc. 1977

Authors and Affiliations

  • T. S. Blyth
    • 1
  1. 1.Mathematical InstituteUniversity of St. AndrewsScotland

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