0-bisimple R-unipotent semigroups

Pseudo-T-norms L-fuzzy semigroups

Pseudo-T-norms L-fuzzy Regular semigroups

Pseudo-T-norms L-fuzzy intraregular semigroups

perfect wrpp semigroups

Orthodox Ehresmann semigroups

order-preserving semigroups

order-preserving partial transformation semigroups

Ordered semigroups

normal orthocryptou semigroups

normal Ehresmanntyped wrpp semigroups

normal crypto ο-abundant semigroups

nonlinear semigroups

nonexpansive semigroups

matrix semigroups

Markov integrated semigroups

lpp semigroups

locally cyclic semigroups

linear ordered transformation semigroups