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Semigroup Forum

, Volume 14, Issue 1, pp 137–141 | Cite as

Semigroups with an idempotent power I word problems

  • J. A. Gerhard
Research Article

Keywords

Word Problem 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

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References

  1. [1]
    Brown, T.C.,On the finiteness of semigroups in which xr =x, Proc. Cambridge Phil. Soc. 60 (1964), 1028–1029.Google Scholar
  2. [2]
    Cohn, P.M.,Universal Algebra, Harper and Row, New York, 1965.Google Scholar
  3. [3]
    Gerhard, J.A.,The lattice of equational classes of idempotent semigroups, J. of Algebra 15 (1970), 195–224.Google Scholar
  4. [4]
    Green, J.A. and D. Rees,On semigroups in which xr =x, Proc. Cambridge Phil. Soc. 48 (1952), 35–40.Google Scholar
  5. [5]
    McLean, D.,Idempotent semigroups, Amer. Math. Monthly 61 (1954), 110–113.Google Scholar
  6. [6]
    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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