Tag Archives: AIM forcing

Sigma-Prikry forcing I: The Axioms

Joint work with Alejandro Poveda and Dima Sinapova. Abstract. We introduce a class of notions of forcing which we call Σ-Prikry, and show that many of the known Prikry-type notions of forcing that centers around singular cardinals of countable cofinality … Continue reading

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Ordinal definable subsets of singular cardinals

Joint work with James Cummings, Sy-David Friedman, Menachem Magidor, and Dima Sinapova. Abstract. A remarkable result by Shelah states that if κ is a singular strong limit cardinal of uncountable cofinality then there is a subset x of κ such … Continue reading

Posted in Publications, Singular Cardinals Combinatorics | Tagged , , , | 2 Comments