In this
paper entitled on commutative Delta-Semigroups, we have obtained important
results on commutative Δ-semigroups.
References
[1]
Tamura, T. (1969) Communicative Semigroups Whose Lattices of Congruences Is a Chain. Bulletin de la Société Mathématique de France, 97, 369-380.
[2]
Tamura, T. (1964) Another Proof of a Theorem Concerning the Greatest Semilattice Decomposition of a Semigroup. Proceedings of the Japan Academy, 40, 777-780. http://dx.doi.org/10.3792/pja/1195522562
[3]
Tamura, T. (1956) The Theory of Construction of Finite Semigroups. Osaka Journal of Mathematics, 8, 243-261.
[4]
Tamura, T. (1967) Decomposability of Extension and Its Application to Finite Semigroups. Proceedings of the Japan Academy, 43, 93-97. http://dx.doi.org/10.3792/pja/1195521688
[5]
Howie, J.M. (1969) Fundamentals of Semigroup Theory. Oxford University Press Inc., New York.