We investigate a special kind of reflexive graph in any congruence modular variety. When the variety is Maltsev these special reflexive graphs are exactly the internal groupoids, when the variety is distributive they are the internal reflexive relations. We use these internal structures to give some characterizations of Maltsev, distributive and arithmetical varieties
We define a Galois structure on the category of pairs of equivalence relations in an exact Mal'tsev ...
AbstractThe adjunction between crossed modules and precrossed modules over a fixed group can be seen...
The adjunction between crossed modules and precrossed modules over a fixed group can be seen as a sp...
Abstract. We investigate a special kind of reflexive graphs in any congruence modular variety. When ...
AbstractWe analyze the notions of reflexive multiplicative graph, internal category and internal gro...
AbstractIt is well known that there exist several simple descriptions of the internal categories and...
We analyze the notions of reflexive multiplicative graph, internal category and internal groupoid fo...
We give a description of several classes of central extensions of the category of internal groupoids...
We investigate internal groupoids and pseudogroupoids in varieties of universal algebras, and we giv...
AbstractWe give a description of several classes of central extensions of the category of internal g...
AbstractWe investigate internal groupoids and pseudogroupoids in varieties of universal algebras, an...
Categorical Galois Theory was introduced by Janelidze as a way to unify, among others, Magid’s gener...
While surveying some internal categorical structures and their applications, it is shown that triang...
For varieties, congruence modularity is equivalent to the tolerance intersection property, TIP in sh...
We give new characterisations of regular Mal'tsev categories with distributive lattice of equivalenc...
We define a Galois structure on the category of pairs of equivalence relations in an exact Mal'tsev ...
AbstractThe adjunction between crossed modules and precrossed modules over a fixed group can be seen...
The adjunction between crossed modules and precrossed modules over a fixed group can be seen as a sp...
Abstract. We investigate a special kind of reflexive graphs in any congruence modular variety. When ...
AbstractWe analyze the notions of reflexive multiplicative graph, internal category and internal gro...
AbstractIt is well known that there exist several simple descriptions of the internal categories and...
We analyze the notions of reflexive multiplicative graph, internal category and internal groupoid fo...
We give a description of several classes of central extensions of the category of internal groupoids...
We investigate internal groupoids and pseudogroupoids in varieties of universal algebras, and we giv...
AbstractWe give a description of several classes of central extensions of the category of internal g...
AbstractWe investigate internal groupoids and pseudogroupoids in varieties of universal algebras, an...
Categorical Galois Theory was introduced by Janelidze as a way to unify, among others, Magid’s gener...
While surveying some internal categorical structures and their applications, it is shown that triang...
For varieties, congruence modularity is equivalent to the tolerance intersection property, TIP in sh...
We give new characterisations of regular Mal'tsev categories with distributive lattice of equivalenc...
We define a Galois structure on the category of pairs of equivalence relations in an exact Mal'tsev ...
AbstractThe adjunction between crossed modules and precrossed modules over a fixed group can be seen...
The adjunction between crossed modules and precrossed modules over a fixed group can be seen as a sp...
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