Semigroup Forum

, Volume 14, Issue 1, pp 375–388 | Cite as

Semigroups with an idempotent power II the lattice of equational subclasses of [(xy)2 = xy]

  • J. A. Gerhard
Research Article


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  1. [1]
    Gerhard, J.A.,The lattice of equational classes of idempotent semigroups, J. of Algebra 15( (1970), 195–224.Google Scholar
  2. [2]
    Gerhard, J.A.,Semigroups with an idempotent power I.Word problems, Semigroup Forum, in press.Google Scholar
  3. [3]
    Petrich, M.,All subvarieties of a certain variety of semigroups, Semigroup Forum 7 (1974), 104–152.Google Scholar

Copyright information

© Springer-Verlag New York Inc 1977

Authors and Affiliations

  • J. A. Gerhard
    • 1
  1. 1.University of ManitobaWinnipegCanada

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