Thursday, March 23, 2017, from 4 to 5:30pm
East Hall, room 3088
Speaker: Andres Caicedo (Math Reviews)
Title: MRP and squares, II
Justin Moore’s mapping reflection principle (MRP) seems to capture the consistency strength of PFA, since it implies the failure of square. I continue the presentation of some refinements and extensions of this result. They are due to a variety of authors, and some remain unpublished.