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Ultrafilters in the random real model

Ultrafilters in the random real model

来源:Arxiv_logoArxiv
英文摘要

We prove that \textsf{P}-points (even strong P-points) and Gruff ultrafilters exist in any forcing extension obtained by adding fewer than $\aleph_ω% $-many random reals to a model of \textsf{CH. }These results improve and correct previous theorems that can be found in the literature.

Alan Dow、Osvaldo Guzmán

数学

Alan Dow,Osvaldo Guzmán.Ultrafilters in the random real model[EB/OL].(2025-07-11)[2025-07-25].https://arxiv.org/abs/2507.08346.点此复制

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