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

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References

  1. Gerhard, J.A.,The lattice of equational classes of idempotent semigroups, J. of Algebra 15( (1970), 195–224.

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  2. Gerhard, J.A.,Semigroups with an idempotent power I.Word problems, Semigroup Forum, in press.

  3. Petrich, M.,All subvarieties of a certain variety of semigroups, Semigroup Forum 7 (1974), 104–152.

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Authors and Affiliations

  1. University of Manitoba, R3T 2N2, Winnipeg, Manitoba, Canada

    J. A. Gerhard

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  1. J. A. Gerhard
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Communicated by R. McFadden

Research supported by the National Research Council of Canada.

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Gerhard, J.A. Semigroups with an idempotent power II the lattice of equational subclasses of [(xy)2 = xy]. Semigroup Forum 14, 375–388 (1977). https://doi.org/10.1007/BF02194678

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  • DOI: https://doi.org/10.1007/BF02194678

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