2 papers
math.CO2016
Actions of trees on semigroups, and an infinitary Gowers--Hales--Jewett Ramsey theorem
Martino Lupini
We introduce the notion of (Ramsey) action of a tree on a (filtered) semigroup. We then prove in this setting a general result providing a common generalization of the infinitary G…
math.OA2014
Set theory and von Neumann algebras
Asger Törnquist, Martino Lupini
These are the notes from Asger Törnquist's Appalachian Set Theory lectures at Carnegie Mellon University. They form a chapter in the LMS lecture notes series 406.