summary:The paper contains characterizations of semigroup varieties whose semigroups with one generator (two generators) are permutable. Here all varieties of regular $*$-semigroups are described in which each semigroup with two generators is permutable
Let P be the variety of semigroups defined by the identity xyzx = x2. By a result of György Pollák, ...
A semigroup variety is a Rees-Sushkevich variety if it is contained in a periodic variety generated ...
In [8], P. Jones characterized the regular varieties of semigroups which are congruence semimodular ...
Summary. The paper contains characterizations of semigroup varieties whose semigroups with one gener...
summary:The paper contains characterizations of semigroup varieties whose semigroups with one genera...
summary:The paper contains characterizations of semigroup varieties whose semigroups with one genera...
AbstractGiven a permutation σ∈Sn, a semigroup S is called σ-permutable if x1x2···xn=xσ(1)xσ(2)···xσ(...
AbstractIn this paper we describe the varieties of commutative semigroups that are meet- and join-ir...
A semigroup S satisfies PPn, the permutation property of degree n (n≥2) if every product of n elemen...
A semigroup S satisfies PPn, the permutation property of degree n (n≥2) if every product of n elemen...
Semigroups whose congruences form a chain are often termed Δ-semigroups. The commutative Δ-semigroup...
Semigroups whose congruences form a chain are often termed ∆-semigroups. The commutative ∆-semigroup...
summary:A semigroup variety is called {\it modular\/} if it is a modular element of the lattice of a...
AbstractIt is shown that every semigroup variety admitting the permutation identity x1x2 … xn = x1πx...
Let P be the variety of semigroups defined by the identity xyzx = x2. By a result of György Pollák, ...
Let P be the variety of semigroups defined by the identity xyzx = x2. By a result of György Pollák, ...
A semigroup variety is a Rees-Sushkevich variety if it is contained in a periodic variety generated ...
In [8], P. Jones characterized the regular varieties of semigroups which are congruence semimodular ...
Summary. The paper contains characterizations of semigroup varieties whose semigroups with one gener...
summary:The paper contains characterizations of semigroup varieties whose semigroups with one genera...
summary:The paper contains characterizations of semigroup varieties whose semigroups with one genera...
AbstractGiven a permutation σ∈Sn, a semigroup S is called σ-permutable if x1x2···xn=xσ(1)xσ(2)···xσ(...
AbstractIn this paper we describe the varieties of commutative semigroups that are meet- and join-ir...
A semigroup S satisfies PPn, the permutation property of degree n (n≥2) if every product of n elemen...
A semigroup S satisfies PPn, the permutation property of degree n (n≥2) if every product of n elemen...
Semigroups whose congruences form a chain are often termed Δ-semigroups. The commutative Δ-semigroup...
Semigroups whose congruences form a chain are often termed ∆-semigroups. The commutative ∆-semigroup...
summary:A semigroup variety is called {\it modular\/} if it is a modular element of the lattice of a...
AbstractIt is shown that every semigroup variety admitting the permutation identity x1x2 … xn = x1πx...
Let P be the variety of semigroups defined by the identity xyzx = x2. By a result of György Pollák, ...
Let P be the variety of semigroups defined by the identity xyzx = x2. By a result of György Pollák, ...
A semigroup variety is a Rees-Sushkevich variety if it is contained in a periodic variety generated ...
In [8], P. Jones characterized the regular varieties of semigroups which are congruence semimodular ...
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