DOIAbstract
AbstractWe define a point x to be cozero-accessible if for each dense open set U, there is a cozero-set C⊂U such that x∈C¯. It is shown to be independent of Martin's Axiom that there are cozero-accessible points in βN∖N
AbstractWe define a point x to be cozero-accessible if for each dense open set U, there is a cozero-set C⊂U such that x∈C¯. It is shown to be independent of Martin's Axiom that there are cozero-accessible points in βN∖N
AbstractWe introduce the notion of a partially selective ultrafilter and prove that (a) if G is an e...
AbstractA Ψ-space is the topological space usually associated with a maximal almost disjoint family ...
AbstractIt is shown that “every Parovičenko space is co-absolute with βN\N” does not imply CH and in...
AbstractWe define a point x to be cozero-accessible if for each dense open set U, there is a cozero-...
AbstractP(c), a well-known consequence of Martin's Axiom, implies that if X is a nonpseudocompact sp...
AbstractInspired by the work of J. van Mill we define a new topological type—lonely points. We show ...
AbstractA discretely weak P-set is a nowhere dense closed set which is disjoint from the closure of ...
The purpose of this work is two-fold. First, we present some consequences of the Covering Property A...
AbstractThe cozero part CozL of a frame L has been studied quite extensively, but invariably from th...
AbstractThe Novák or Baire number of a space X (with no isolated points), n(X), is the minimum cardi...
AbstractIn this paper we investigate for nowhere locally compact realcompact spaces X the question w...
We prove the consistency of: for suitable strongly inaccessible cardinal lambda the dominating numbe...
AbstractLet κ be an infinite cardinal. A uniform ultrafilter p on κ is a Pκ+−-point if for every dec...
AbstractIn this paper we describe sixteen topological types in βω−ω. Among others, we show that ther...
AbstractBefore the question of whether ω∗ and ω∗1 can be homeomorphic is resolved it may be necessar...
AbstractWe introduce the notion of a partially selective ultrafilter and prove that (a) if G is an e...
AbstractA Ψ-space is the topological space usually associated with a maximal almost disjoint family ...
AbstractIt is shown that “every Parovičenko space is co-absolute with βN\N” does not imply CH and in...
AbstractWe define a point x to be cozero-accessible if for each dense open set U, there is a cozero-...
AbstractP(c), a well-known consequence of Martin's Axiom, implies that if X is a nonpseudocompact sp...
AbstractInspired by the work of J. van Mill we define a new topological type—lonely points. We show ...
AbstractA discretely weak P-set is a nowhere dense closed set which is disjoint from the closure of ...
The purpose of this work is two-fold. First, we present some consequences of the Covering Property A...
AbstractThe cozero part CozL of a frame L has been studied quite extensively, but invariably from th...
AbstractThe Novák or Baire number of a space X (with no isolated points), n(X), is the minimum cardi...
AbstractIn this paper we investigate for nowhere locally compact realcompact spaces X the question w...
We prove the consistency of: for suitable strongly inaccessible cardinal lambda the dominating numbe...
AbstractLet κ be an infinite cardinal. A uniform ultrafilter p on κ is a Pκ+−-point if for every dec...
AbstractIn this paper we describe sixteen topological types in βω−ω. Among others, we show that ther...
AbstractBefore the question of whether ω∗ and ω∗1 can be homeomorphic is resolved it may be necessar...
AbstractWe introduce the notion of a partially selective ultrafilter and prove that (a) if G is an e...
AbstractA Ψ-space is the topological space usually associated with a maximal almost disjoint family ...
AbstractIt is shown that “every Parovičenko space is co-absolute with βN\N” does not imply CH and in...
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