On non-zero dimensional atoms
On normality of the product of two spaces
On norms and subsets of linear spaces
On numerical and non-numerical ecart
On paracompact spaces and related questions
On perfect compactifications of topological spaces
On preserving the fixed point property by mappings
On profinite universal algebras
On pseudo-open mappings
On quasi-components
On quasi-uniform convergence
On reflective and coreflective subcategories of LIM, LUN, and LVEC
On rigidity and groups of homeomorphisms
On rings of continuous functions
On separation and approximation of real functions defined on a Choquet simplex
On sets always of the first category
On sets of small measure
On singlevaluedness and continuity of monotone mappings
On some convergence closures generated by functions
On some pretopologies associated with a topology