AbstractIn this paper we construct, in response to a question of Malykhin and Tironi, a ZFC example of a perfectly normal Pytkeev space which has no sequential extensions
AbstractFollowing N. Noble, we say that a space is subsequential if it is a subspace of a sequential...
AbstractA method for embedding certain countable spaces into a pseudocompact Tychonoff space of coun...
AbstractWe shall show that several rather familiar countable topological spaces are embedded as P-se...
AbstractWe study a new pointwise topological property, the weak Fréchet–Urysohn property, introduced...
AbstractLet F[X] be the Pixley–Roy hyperspace of a regular space X. In this paper, we prove the foll...
AbstractArhangel'skiǐ and Franklin constructed Sω, a countable, zero-dimensional, homogeneous, seque...
AbstractThe collection of test spaces for the ordinal invariant σ on the category of regular sequent...
For a Tychonoff space $X$ we denote by $C_p(X)$ the space of all real-valued continuous functions on...
AbstractWe show that there is a compact topological space carrying a measure which is not a weak⁎ li...
AbstractWe proved that ⋄+ implies the existence of a non-D-space whose all closed subspace F satisfi...
∗ Supported by the Serbian Scientific Foundation, grant No 04M01We consider some relations between p...
summary:If a separable dense in itself metric space is not a union of countably many nowhere dense s...
AbstractWe prove some basic properties of p-bounded subsets (p∈ω∗) in terms of z-ultrafilters and fa...
summary:If a separable dense in itself metric space is not a union of countably many nowhere dense s...
AbstractWe show:(1)ℵ1 with the order topology is effectively normal, i.e., there is a function assoc...
AbstractFollowing N. Noble, we say that a space is subsequential if it is a subspace of a sequential...
AbstractA method for embedding certain countable spaces into a pseudocompact Tychonoff space of coun...
AbstractWe shall show that several rather familiar countable topological spaces are embedded as P-se...
AbstractWe study a new pointwise topological property, the weak Fréchet–Urysohn property, introduced...
AbstractLet F[X] be the Pixley–Roy hyperspace of a regular space X. In this paper, we prove the foll...
AbstractArhangel'skiǐ and Franklin constructed Sω, a countable, zero-dimensional, homogeneous, seque...
AbstractThe collection of test spaces for the ordinal invariant σ on the category of regular sequent...
For a Tychonoff space $X$ we denote by $C_p(X)$ the space of all real-valued continuous functions on...
AbstractWe show that there is a compact topological space carrying a measure which is not a weak⁎ li...
AbstractWe proved that ⋄+ implies the existence of a non-D-space whose all closed subspace F satisfi...
∗ Supported by the Serbian Scientific Foundation, grant No 04M01We consider some relations between p...
summary:If a separable dense in itself metric space is not a union of countably many nowhere dense s...
AbstractWe prove some basic properties of p-bounded subsets (p∈ω∗) in terms of z-ultrafilters and fa...
summary:If a separable dense in itself metric space is not a union of countably many nowhere dense s...
AbstractWe show:(1)ℵ1 with the order topology is effectively normal, i.e., there is a function assoc...
AbstractFollowing N. Noble, we say that a space is subsequential if it is a subspace of a sequential...
AbstractA method for embedding certain countable spaces into a pseudocompact Tychonoff space of coun...
AbstractWe shall show that several rather familiar countable topological spaces are embedded as P-se...
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