Some models produced by 3D iterations
arXiv:1704.02469
Abstract
We construct models, by three-dimensional arrays of ccc posets, where many classical cardinal characteristics of the continuum are pairwise different.
13 pages, RIMS Set Theory Workshop: Infinite Combinatorics and Forcing Theory. November 28th - December 1st, 2016, Kyoto University, Japan. To appear in Kyoto Daigaku Suurikaiseki Kenkyuusho Koukyuuroku