On Kan fibrations for Maltsev algebras.
On locally small based algebraic theories
On property-like structures.
On quasivarieties of partial algebras, their generation and their subquasivarieties. I
On quasivarieties of partial algebras, their generation and their subquasivarieties II
On the characterization of Jonsson-Tarski and of subtractive varieties
On the geometry of computations
On the geometry of computations, II
On the representability of actions in a semi-abelian category.
Opmonoidal monads.
Partially-additive monoids
Partielle Algebren in Initialkategorien.
Points of affine categories and additivity.
Pre-adjunctions and lambda-algebraic theories
Predicative algebraic set theory.
Propriétés de permanence et existence de réalisations minimales pour les algèbres multisortes
Protomodularity, descent, and semidirect products.
Pseudo algebras and pseudo double categories.
Quantizations in a category of relations.
Quillen cohomology and Baues-Wirsching cohomology of algebraic, theories