Convex half-spaces
Convexité topologique et prolongement des fonctions continues
Convexity in combinatorial structures
Convexity of the set of fixed points generated by some control systems.
Convexity on a topological space
Convexity structures in zero-dimensional compact spaces.
Convolution and S' - Convolution of Distributions
Coronas of ultrametric spaces
We show that, under CH, the corona of a countable ultrametric space is homeomorphic to . As a corollary, we get the same statements for the Higson’s corona of a proper ultrametric space and the space of ends of a countable locally finite group.
Correction to: Adding a random or a Cohen real: topological consequences and the effect on Martin's axiom
Correction to my paper: “Remark on locally fine spaces” [Comment. Math. Univ. Carolinae 16 (1975), 501-504]
Correction to my paper: “Tensor products in the category of convergence spaces” [Comment. Math. Univ. Carolin. 13 (1972), 693-709]
Correction to my paper "Topological contraction principle" (Fundamenta Mathematicae 110 (1980), pp. 135-144)
Correction to: “Notes on quotient maps”
Correction to : “Precompact contraction of metric uniformities and the continuity of ”
Correction to “Structure of dynamical systems”
Correction to the paper “A generalization of -compact spaces”
Correction to the paper: A new look at pointfree metrization theorems
Correction to the paper: “Bounded linear operators in probabilistic normed space”.
Correction to the paper: Covering by special Cantor sets
Correction to the paper "First class selectors for weakly upper semi-continous multivalued maps in Banach spaces".