References
Clifford, A. H.,The free completely regular semigroup on a set, J. Algebra 59 (1979), 434–451.
Gerhard, J. A. and M. Petrich,Word problems for free objects in certain varieties of completely regular semigroups, Pacific J. Math. 104 (1983), 351–359.
Kaďourek, J. and L. Polák,On the word problem for free completely regular semigroups, Semigroup Forum 34 (1986), 127–138.
Pastijn, F. J.,The lattice of completely regular semigroup varieties, preprint.
Pastijn, F. J. and P. G. Trotter,Lattices of completely regular semigroup varieties, Pacific J. Math. 119 (1985), 191–214.
Polák, L.,On varieties of completely regular semigroups I, Semigroup Forum 32 (1985), 97–123.
Polák, L.,On varieties of completely regular semigroups II, Semigroup Forum, to appear.
Polák, L.,On varieties of completely regular semigroups III, Semigroup Forum, to appear.
Reilly, N. R.,Varieties of completely regular semigroups, J. Australian Math. Soc. 38 (1985), 372–393.
Trotter, P. G.,Free completely regular semigroups, Glasgow Math. J. 25 (1984), 241–254.
Trotter, P. G.,Relatively free bands of groups, Acta Sci. Math., submitted.
Author information
Authors and Affiliations
Additional information
Communicated by N. R. Reilly
Rights and permissions
About this article
Cite this article
Kaďourek, J. On the word problem for free bands of groups and for free objects in some other varieties of completely regular semigroups. Semigroup Forum 38, 1–55 (1989). https://doi.org/10.1007/BF02573217
Received:
Accepted:
Issue Date:
DOI: https://doi.org/10.1007/BF02573217