Fuzzy positive implicative ordered filters of implicative semigroups.
Generalized Commutative semigroups.
Generalized fuzzy interior ideals in Abel-Grassmann's groupoids.
Green ' s ....-relation for generalized polynomials.
Green's J-relation for polynomials.
Green's ...-relation and climbing mountains.
Green's relations and regular elements of transformation semigroups
Group ideals in a semigroup of measures.
Halbgruppen mit ausschließlich reesschen Linkskongruenzen.
Hereditary radicals and 0-bands of semigroups.
Hyperarchimedische Teilbarkeitshalbgruppen
Ideal nil-extensions of semigroups with semimodular congruence lattices.
Ideal systems of intersection and product type
Ideal theory in commutative semigroups.
Ideals and Green's relations in ordered semigroups.
Ideals are greater on the left.
Ideals in selfdistributive groupoids
Products of (left) ideals in selfdistributive groupoids are studied.
Ideals in transformation semigroups
Ideal-theoretic characterizations of valuation and Prüfer monoids
It is well known that an integral domain is a valuation domain if and only if it possesses only one finitary ideal system (Lorenzen -system of finite character). We prove an analogous result for root-closed (cancellative) monoids and apply it to give several new characterizations of Prüfer (multiplication) monoids and integral domains.
Idempotent Bounded Semi-Groups.