Finitely Based Monoids Obtained From Non-Finitely Based Semigroups
Universitatis Iagellonicae Acta Mathematica
Semigroup, Monoid, Finitely based
Presently, no example of non-finitely based finite semigroup S is known for which the monoid S1 is finitely based. Based on a general result of M. V. Volkov, two methods are established from which examples of such semigroups can be constructed.
Lee, Edmond W. H., "Finitely Based Monoids Obtained From Non-Finitely Based Semigroups" (2013). Mathematics Faculty Articles. 11.