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Variations on countable tightness

2017/02/13 by I. Juhász, Juhász, István, Jan van Mill +1
Computer Science · Mathematics · #54A25 #Advanced Algebra and Logic #Advanced Topology and Set Theory #FOS: Mathematics #General Topology (math.GN) #Rings, Modules, and Algebras

paper · doi:10.48550/arxiv.1702.03714

openalex publication_date 2017/02/13 · openalex created_date 2025/10/10 · openalex updated_date 2026/07/28

Abstract

We consider 9 natural tightness conditions for topological spaces that are all variations on countable tightness and investigate the interrelationships between them. Several natural open problems are raised.

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