References
Almeida, J.,On power varieties of semigroups, manuscript, Simon Fraser University (1984).
—,Minimal non-permutative pseudovarieties of semigroups I, Pacific J. Math. 121 (1986), 257–270.
Ash, C.,Pseudovarieties, generalized varieties and similarly described classes, J. Algebra 92 (1985) 104–115.
Eilenberg, S.,Automata, Languages and Machines, Vol. B (Academic Press, New York, 1976).
Lallement, G.,Semigroups and Combinatorial Applications (Wiley-Interscience, New York, 1979).
Margolis, S., and J.E. Pin,Minimal non commutative varieties of finite monoids, Pacific. J. Math. 111 (1984) 125–135.
Nelson, E.,The lattice of equational classes of commutative semigroups, Can. J. Math. XXIII (1971) 875–895.
Perrot, J.F.,Variétés de langages et opérations, Theor. Comp. Science 7 (1978) 197–210.
Pin, J.E.,Variétés de langages et moncïde des parties, Semigroup Forum 20 (1980) 11–47.
Pollák, G.,On the consequences of permutation identities, Acta Sci. Math. 34 (1973) 323–333.
Putcha, M. and A. Yaqub,Semigroups satisfying permutation identities, Semigroup Forum 3 (1971) 68–73.
Restivo, A. and C. Reutenauer,On the Burnside problem for semigroups, J. Algebra 89 (1984) 102–104.
Reutenauer, C.,Sur les variétés de langages et de monoïdes, in: 4th GI Conference, Lecture Notes in Computer Science 67 (Springer, Berlin-New York, 1979) 260–265.
Rhodes, J.Infinite interation of matrix semigroups, Part II: Structure theorem for arbitrary semigroups up to aperiodic morphism, manuscript, University of California, Berkeley (1983).
Straubing, H.,Recognizable sets and power sets of finite semigroups, Semigroup Forum 18 (1979) 331–340.
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Communicated by G. Lallement
This work was supported, in part, by NSERC grant A4044.
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Almeida, J. Power pseudovarieties of semigroups I. Semigroup Forum 33, 357–373 (1986). https://doi.org/10.1007/BF02573209
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DOI: https://doi.org/10.1007/BF02573209