A short proof of a theorem of Juhász

Santi Spadaro

doi:10.1016/j.topol.2011.06.002

A short proof of a theorem of Juhász

Santi Spadaro

Department of Mathematics

Research output: Contribution to journal › Article › peer-review

12 Scopus citations

Abstract

We give a simple proof of the increasing strengthening of Arhangel'skii Theorem. Our proof naturally leads to a refinement of this result of Juhász.

Original language	English
Pages (from-to)	2091-2093
Number of pages	3
Journal	Topology and its Applications
Volume	158
Issue number	16
DOIs	https://doi.org/10.1016/j.topol.2011.06.002
State	Published - 1 Oct 2011

Keywords

Arhangel'skii Theorem
Elementary submodel
Free sequence
Increasing union

ASJC Scopus subject areas

Geometry and Topology

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10.1016/j.topol.2011.06.002

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title = "A short proof of a theorem of Juh{\'a}sz",

abstract = "We give a simple proof of the increasing strengthening of Arhangel'skii Theorem. Our proof naturally leads to a refinement of this result of Juh{\'a}sz.",

keywords = "Arhangel'skii Theorem, Elementary submodel, Free sequence, Increasing union",

author = "Santi Spadaro",

year = "2011",

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AB - We give a simple proof of the increasing strengthening of Arhangel'skii Theorem. Our proof naturally leads to a refinement of this result of Juhász.

KW - Arhangel'skii Theorem

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KW - Free sequence

KW - Increasing union

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M3 - Article

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JO - Topology and its Applications

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A short proof of a theorem of Juhász

Abstract

Keywords

ASJC Scopus subject areas

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