The kernel of the wreath product of semigroups.
The Langlands Quotient Theorem for p-adic Groups.
The largest proper congruence on S(X).
The largest proper regular ideal of
The Lattice automorphisms of simple algebraic groups over F2.
The lattice of congruences on a Baer-Levi semigroup.
The lattice of convex subgroupoids of an ordered groupoid.
The lattice of equational theories. Part I: Modular elements
The lattice of equational theories. Part III: Definability and automorphisms
The lattice of Fitting classes which are right extensible by soluble groups.
In this paper we study the set of Fitting classes which are right extensible by soluble groups ordered by the inclusion relation. The consideration of the associated lattices gives rise to new Fitting classes and it allows to obtain some injectivity criteria for general Fitting classes.
The lattice of ideals of a numerical semigroup and its Frobenius restricted variety associated
Let be a numerical semigroup. In this work we show that is a distributive lattice, which in addition is a Frobenius restricted variety. We give an algorithm which allows us to compute the set for a given As a consequence, we obtain another algorithm that computes all the elements of with a fixed genus.
The lattice of R-unipotent congruences on a regular semigroup.
The lattice of semigroup varieties.
The lattice of solid -subgroups of a retractable group
The lattice of varieties and pseudovarieties of band monoids.
The lattice of varieties of *-regular band monoids.
The lattice of very-well-placed subgroups
The lattices and Möbius functions of stable closed subrootsystems and Hyperplane complements for classical Weyl Groups.
The least inverse and orthodox congruences on a completely regular semigroup.
The least semilattice of groups congruence on a regular semigroup.