Tag Archives: Intersection model

Ketonen’s question and other cardinal sins

Joint work with Zhixing You and Jiachen Yuan. Abstract. Intersection models of generic extensions obtained from a commutative projection systems of notions of forcing has recently regained interest, especially in the study of descriptive set theory. Here, we show that … Continue reading

Posted in Compactness, Preprints | Tagged , , , , , , , , | Comments Off on Ketonen’s question and other cardinal sins