Martin's Axiom and maximal orthogonal families

Saharon Shelah*

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

Abstract

It is shown that Martin's Axiom for σ-centered partial orders implies that every maximal orthogonal family in ℝ N is of size 2N0.

Original languageEnglish
Pages (from-to)477-480
Number of pages4
JournalReal Analysis Exchange
Volume28
Issue number2
DOIs
StatePublished - 2003

Keywords

  • Martin's Axiom
  • Maximal almost disjoint family
  • Orthogonal family

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