The following notes are from the Ramsey DocCourse in Prague 2016. The notes are taken by me and I have edited them. In the process I may have introduced some errors; email me or comment below and I will happily fix them.
Special thanks to Ivan Khatchatourian for some elaborations.
Title: Ramsey and Ultrafilters 2 (of 2)
Lecturer: Slawomir Solecki
Date: Friday October 21, 2016.
Main Topics: Abstraction of Gowers/Lupini/Furstenberg-Katznelson, worked example with Furstenberg-Katznelson, slides about tensors
Definitions: Forestation of a Poset, Semigroup generated by a poset, [Specific to these constructions],
Lecture 1 – Lecture 2
These two lectures are based on the following 2016 paper of Solecki: “Monoid actions and ultrafilter methods in Ramsey theory”.
Continue reading Ramsey and Ultrafilters 2 – Ramsey DocCourse Prague 2016