Tuesday, October 20, 2015, 17:15
Wrocław University of Technology, 215 D-1
Speaker: Antonio Aviles (University of Murcia)
Title: Boolean algebras obtained by push-out iteration
We discuss the notion of push-out in the category of Boolean algebras, and we describe a method of constructing Boolean algebras by transfinite iterative push-outs. Under $CH$ and in a model obtained by adding $\aleph_2$ Cohen reals to a model of $CH$, $P(\omega)/fin$ is such an algebra.