On the Splitting Number at Regular Cardinals release_zh2wdc7hcjfnvf7ffhv76qd22y

by Omer Ben-Neria, Moti Gitik

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2014  

Abstract

Let κ,λ be regular uncountable cardinals such that λ > κ^+ is not a successor of a singular cardinal of low cofinality. We construct a generic extension with s(κ) = λ starting from a ground model in which o(κ) = λ and prove that assuming 0^, s(κ) = λ implies that o(κ) ≥λ in the core model.
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Date   2014-08-12
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arXiv  1408.2839v1
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