-hypergoupes
Paramedial groupoids
Partial Abelian H_u-Monoids
Partial groupoids with some associativity conditions
Partial orders and their semigroups of closed relations.
Partial orders, closed relations and their automorphisms.
Partial orders in semigroups and semirings of right quotients.
Partially abelian squarefree words
Partially simple semigroups
p-congruences on p-regular semigroups.
Perfect completely semisimple inverse semigroups.
Perfect elements in Dubreil-Jacotin regular semigroups.
Perfect monoids.
Perfect monoids revisited.
Perfectly supportable semigroups are σ-discrete in each Hausdorff shift-invariant topology
In this paper we introduce perfectly supportable semigroups and prove that they are σ-discrete in each Hausdorff shiftinvariant topology. The class of perfectly supportable semigroups includes each semigroup S such that FSym(X) ⊂ S ⊂ FRel(X) where FRel(X) is the semigroup of finitely supported relations on an infinite set X and FSym(X) is the group of finitely supported permutations of X.
Perfectness of certain subsemigroups of a perfect semigroup.
Periodic endomorphisms of a free monoid.
Periodic monoids over which all flat cyclic right acts satisfy condition (P).
Periodic properties of groupbound semigroups.
Periodic properties of groupbound semigroups II.