On categorical shape theory
On limits and colimits in the Kleisli category
On product and change of base for toposes
On the Boundedness of Topological Categories.
On the characterization of monadic categories over set
On the exact completion of the homotopy category
On the monadicity of categories with chosen colimits.
On the monadicity over graphs of categories with limits
One example concerning testing categories
Ordinal invariants and epimorphisms in some categories of weak Hausdorff spaces