Previous |  Up |  Next

Article

References:
[1] Nordahl T. E., Scheiblich H. E.: Regular *-semigroups. Semigroup Forum 16 (1978), 369-377. DOI 10.1007/BF02194636 | MR 0507171
[2] Clifford A. H., Preston G. B.: The algebraic theory of semigroups. Vol. I. Am. Math. Soc., 1961. MR 0132791 | Zbl 0111.03403
[3] Petrich M.: Introduction to Semigroups. Merill Publishing Company, 1973. MR 0393206 | Zbl 0321.20037
[4] Chajda I.: Lattices of compatible relations. Arch. Math. (Brno) 13 (1977), 89-96. MR 0463081 | Zbl 0372.08002
[5] Chajda I., Zelinka B.: Lattices of tolerances. Čas. pěst. mat. 102 (1977), 10-24. MR 0450152 | Zbl 0354.08011
[6] Pondělíček B.: Modularity and distributivity of tolerance lattices of commutative inverse semigroups. Czech. Math. J., 35 (110), 1985, 146-157. MR 0779342
[7] Papert D.: Congruence relations in semilattices. J. London Math. Soc. 39 (1964), 723-729. DOI 10.1112/jlms/s1-39.1.723 | MR 0166123
[8] Ore O.: Structure and group theory II. Duke Math. J. 4 (1938), 247-269. DOI 10.1215/S0012-7094-38-00419-3 | MR 1546048
Partner of
EuDML logo