We present several recent results on the structure of the lattice of combinatorial Rees–Sushkevich varieties. In particular, we study a natural decomposition of the lattice into a disjoint union of intervals and describe the sublattice generated by the extreme points of these intervals
Let α=(a,b,…) be a composition. Consider the associated poset F(α), called a fence, whose covering r...
We consider certain E n -type root lattices embedded within the standard Lorentzian lattice ...
International audienceWe denote by Conc(A) the semilattice of compact congruences of an algebra A. G...
We present several recent results on the structure of the lattice of combinatorial Rees–Sushkevich v...
A semigroup variety is a Rees-Sushkevich variety if it is contained in a periodic variety generated ...
A variety is said to be a Rees–Sushkevich variety if it is contained in a periodic variety generated...
We characterize the finite intervals of the Muchnik lattice by proving that they form a certain prop...
The lattice of all regular-solid varieties of semirings splits in two complete sublattices: the subl...
Bibliography: pages 140-145.An interesting problem in universal algebra is the connection between th...
We investigate the structure of the Medvedev lattice as a partial order. We prove that every interva...
Abstract. In this paper, we describe the sublattices of some lattices, extending previous results of...
We consider certain E -type root lattices embedded within the standard Lorentzian lattice ℤ (3 ≤ n ...
We investigate the structure theory of the variety of PBZ∗-lattices and some of its proper subvariet...
AbstractLet X be an infinite set of cardinality κ. We show that if L is an algebraic and dually alge...
The paper is aimed at the description of subsemilattice finite lattices, their sublattice infinite l...
Let α=(a,b,…) be a composition. Consider the associated poset F(α), called a fence, whose covering r...
We consider certain E n -type root lattices embedded within the standard Lorentzian lattice ...
International audienceWe denote by Conc(A) the semilattice of compact congruences of an algebra A. G...
We present several recent results on the structure of the lattice of combinatorial Rees–Sushkevich v...
A semigroup variety is a Rees-Sushkevich variety if it is contained in a periodic variety generated ...
A variety is said to be a Rees–Sushkevich variety if it is contained in a periodic variety generated...
We characterize the finite intervals of the Muchnik lattice by proving that they form a certain prop...
The lattice of all regular-solid varieties of semirings splits in two complete sublattices: the subl...
Bibliography: pages 140-145.An interesting problem in universal algebra is the connection between th...
We investigate the structure of the Medvedev lattice as a partial order. We prove that every interva...
Abstract. In this paper, we describe the sublattices of some lattices, extending previous results of...
We consider certain E -type root lattices embedded within the standard Lorentzian lattice ℤ (3 ≤ n ...
We investigate the structure theory of the variety of PBZ∗-lattices and some of its proper subvariet...
AbstractLet X be an infinite set of cardinality κ. We show that if L is an algebraic and dually alge...
The paper is aimed at the description of subsemilattice finite lattices, their sublattice infinite l...
Let α=(a,b,…) be a composition. Consider the associated poset F(α), called a fence, whose covering r...
We consider certain E n -type root lattices embedded within the standard Lorentzian lattice ...
International audienceWe denote by Conc(A) the semilattice of compact congruences of an algebra A. G...