Séminaires : Séminaire de Logique Lyon-Paris

Equipe(s) : lm,
Responsables :S. Anscombe, O. Finkel, A. Khélif, S. Rideau, T. Tsankov, A. Vignati
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Orateur(s) David Aspero - University of East Anglia ,
Titre The special $\aleph_2$-Aronszajn tree property and GCH
Horaire15:10 à 16:10
RésumeAssuming the existence of a weakly compact cardinal, we build a forcing extension in which GCH holds and every $\aleph_2$-Aronszajn tree is special. This answers a well-known question from the 1970's. I will present the proof of this theorem, with as many details as possible. This is joint work with Mohammad Golshani.

SalleContacter Silvain Rideau ou Alessandro Vignati