Eine Bemerkung über volle Einbettungen von Kategorien von Algebren.
Endomorphisms of complete Heyting algebras.
Relations (Graphs) with Given Finitely Generated Semigroups.
Relations (Graphs) with Given Infinite Semigroups.
Symmetric Relations (Undirected Graphs) with Given Semigroups.
On a mechanism of defining morphisms in concrete categories
A Priestley view of spatialization of frames
Notes on Kuratowski-Mrówka theorems in point-free context
Finite commutative monoids of open maps
Frames in Priestley's duality
Booleanization
Local enrichments of categories
The category of compact Hausdorff spaces is not algebraic if there are too many measurable cardinals
On a mechanism of choosing morphisms in concrete categories
On two problems of mice
Systems of covers of frames and resulting subframes
Products of locally connected locales
Concerning a categorial approach to topological and algebraic theories
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