Epimorphisms, Closed, and Supersaturated Semigroups

REFERENCES

• Clifford , A. H. , Preston , G. B. ( 1961 ). The algebraic theory of semigroups . Math. Surveys. No. 7 , Vol. I . Providence : Amer. Math. Soc .
   Google Scholar
• Clifford , A. H. , Preston , G. B. ( 1967 ). The algebraic theory of semigroups . Math. Surveys . No. 7 , Vol. II . Providence : Amer. Math. Soc .
   Google Scholar
• Higgins , P. M. ( 1984 ). Saturated and epimorphically closed varieties of semigroups . J. Aust. Math. Soc. 36 : 153 – 175 .
   Google Scholar
• Higgins , P. M. ( 1985 ). Epimorphisms, dominions and semigroups . Algebra Univers. 21 : 225 – 233 .
   Web of Science ®Google Scholar
• Howie , J. M. ( 1962 ). Embedding theorems with amalgamation for semigroups . Proc. London Math. Soc. 12 ( 3 ): 511 – 534 .
   Google Scholar
• Howie , J. M. ( 1976 ). An Introduction to Semigroup Theory . London : Academic Press .
   Google Scholar
• Howie , J. M. , Isbell , J. R. ( 1967 ). Epimorphisms and dominions II . Journal of Algebra 6 : 7 – 21 .
   Web of Science ®Google Scholar
• Isbell , J. R. ( 1966 ). Epimorphisms and dominions . Proc. of the Conference on Categorical Algebra, LaJolla . Berlin : Lange and Springer , pp. 232 – 246 .
   Google Scholar
• Khan , N. M. ( 1985 ). On saturated permutative varieties and consequences of permutation identities . J. Aust. Math. Soc. A 38 : 186 – 197 .
   Google Scholar
• Khan , N. M. , Shah , A. H. ( 2010 ). Epimorphisms, dominions and permutative semigroups . Semigroup Forum 80 : 181 – 190 .
   Web of Science ®Google Scholar
• Scheiblich , H. E. ( 1976 ). On epics and dominions of bands . Semigroup Forum 13 : 103 – 114 .
   Google Scholar
• Communicated by V. Gould.
   Google Scholar