On uncountable strongly concentrated sets of reals

Eilon Bilinsky

    Research output: Contribution to journalArticlepeer-review

    Abstract

    We construct new models of ZF with an uncountable set of reals that has a unique condensation point. This addresses a question of Sierpi´ nski from 1918.

    Original languageEnglish
    Pages (from-to)1267-1279
    Number of pages13
    JournalProceedings of the American Mathematical Society
    Volume149
    Issue number3
    DOIs
    StatePublished - Mar 2021

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