An up-spectral space need not be A-spectral

Othman Echi*, Riyadh Gargouri

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

5 Scopus citations

Abstract

An A-spectral space is a space such that its one-point compactification is a spectral space. An up-spectral space is defined to be a topological space X satisfying the axioms of a spectral space with the exception that X is not necessarily compact. This paper deals with the interactions between up-spectral spaces and A-spectral spaces. An example of up-spectral space which is not A-spectral is constructed.

Original languageEnglish
Pages (from-to)271-277
Number of pages7
JournalNew York Journal of Mathematics
Volume10
StatePublished - 8 Sep 2004
Externally publishedYes

Keywords

  • Alexandroff space
  • One-point compactification
  • Sober space
  • Spectral space

ASJC Scopus subject areas

  • General Mathematics

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