Infima in the power set of free semigroups

  • G. Pollák
Conference paper
Part of the Lecture Notes in Mathematics book series (LNM, volume 1320)


Empty Word Free Semigroup Infinite Subset Infinite Word Incomparable Element 
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  1. [1]
    Bean, D.R.-Ehrenfeucht, A.-McNulty, G.F., Avoidable patterns in strings of symbols, Pacific J. Math. 85 (1979), 261–294.MathSciNetCrossRefzbMATHGoogle Scholar
  2. [2]
    Pollák, G., A syntactic method in the theory of varieties of semigroups (to appear)Google Scholar

Copyright information

© Springer-Verlag 1988

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  • G. Pollák

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