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Displaying 321 – 340 of 416

Subalgebras and homomorphic images of algebras having the CEP and the WCIP

Andrzej Walendziak (2004)

Czechoslovak Mathematical Journal

In the present paper we consider algebras satisfying both the congruence extension property (briefly the CEP) and the weak congruence intersection property (WCIP for short). We prove that subalgebras of such algebras have these properties. We deduce that a lattice has the CEP and the WCIP if and only if it is a two-element chain. We also show that the class of all congruence modular algebras with the WCIP is closed under the formation of homomorphic images.

Subcoherent algebras

Jaromír Duda (1993)

Czechoslovak Mathematical Journal

Subdirectly irreducible groupoids in some varieties

Jerzy Płonka (1983)

Commentationes Mathematicae Universitatis Carolinae

Sur quelques problèmes de plongement en algèbre

C. Henry (1986)

Diagrammes

Sur quelques problèmes de plongements en algèbre

C. Henry (1983)

Diagrammes

Sur une congruence et l'homomorphisme faible des algèbres universelles

Mohammad Ishaq (1968/1969)

Séminaire Dubreil. Algèbre et théorie des nombres

The 0-distributivity in the class of subalgebra lattices of Heyting algebras and closure algebras

Luc Vrancken-Mawet (1987)

Commentationes Mathematicae Universitatis Carolinae

The a-congruences on S(X) and the S-equivalences on X.

H. Pei (1993)

Semigroup forum

The amalgamation basis of the category of compact groups.

George M. Bergman (1987)

Manuscripta mathematica

The concept of structural regularity.

Kopamu, Samuel J.L. (1996)

Portugaliae Mathematica

The congruence extension property for algebraic semigroups.

J.I. Garcia (1991)

Semigroup forum

The congruence lattice of implication algebras.

Radelecki, Sándor (1992)

Mathematica Pannonica

The Csákány theory of regularity for finite algebras

Ivan Chajda (1995)

Mathematica Slovaca

The degrees of regularity in varieties

Ivan Chajda (1997)

Acta Universitatis Palackianae Olomucensis. Facultas Rerum Naturalium. Mathematica

The egg-box property of congruences

Ivan Chajda (1988)

Mathematica Slovaca

The minimal closed monoids for the Galois connection $End$ - $Con$

Danica Jakubíková-Studenovská, Reinhard Pöschel, Sándor Radelecki (2024)

Mathematica Bohemica

The minimal nontrivial endomorphism monoids $M = End Con (A, F)$ of congruence lattices of algebras $(A, F)$ defined on a finite set $A$ are described. They correspond (via the Galois connection $End$ - $Con$ ) to the maximal nontrivial congruence lattices $Con (A, F)$ investigated and characterized by the authors in previous papers. Analogous results are provided for endomorphism monoids of quasiorder lattices $Quord (A, F)$ .

Currently displaying 321 – 340 of 416

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