A -categorical approach to change of base and geometric morphisms I
A matrix characterization of the maximal groups in
A note on tensor products on the unit interval
A pseudo representation theorem for various categories of relations.
Abstract physical traces.
Amoeba relation and Galois-Tukey connections
Baer sums and fibered aspects of Mal'cev operations
Bicategories of partial maps
Calcul des relations inverses
Categoria degli universi di dispositivi e categoria delle -algebre
Categories of ordered sets
Categories of systems of -relations
Change of base for relational variable sets.
Classification of tensor products of symmetric graphs
In the category of symmetric graphs there are exactly five closed tensor products. If we omit the requirement of units, we obtain twelve more.
Commutative monoids all of whose principal ideals are projective.
Construction de théories d'exactitude
Décompositions et catégories de relations
Demi-groupes et catégories à involution
Derived operations in Goguen categories.
Équivalences de Green dans les catégories bien filtrantes