On a characterization of the lattice of subsystems of a transition system.
On a construct of closure spaces
On a generalized small-object argument for the injective subcategory problem
On a mechanism of defining morphisms in concrete categories
On a question of Pultr regarding categories of structures
On an equivalence of system-theoretical and categorical concepts
On analytic models of synthetic differential geometry
On bindability of products and joins of categories
On branched covers in topos theory.
On categorial embeddings of topological structures into algebraic
On categories determined by poset- and set-valued functors
On categories into which each concrete category can be embedded. II
On categories into which each concrete category can be embedded
On Categories of Relations
On categories of structures and classes of algebras [Book]
On categories of supertopological spaces
On classification, logical educational materials, categories, and automata
On clones determined by their initial segments
On clones of relations
On closed lattices