Identities and Quasi-Identities of Pointed Algebras

Siberian Mathematical Journal - Each pointed enrichment of an algebra can be regarded as the same algebra with an additional finite set of constant operations. An algebra...     

Quasiequational Bases of Cantor Algebras

There are continuum many quasivarieties of Cantor algebras having an ω-independent quasiequational basis but no independent quasiequational basis whose intersection does have an independent quasiequational basis.