The cup product of Brooks quasimorphisms
classification
🧮 math.GR
math.GT
keywords
brooksproductquasimorphismsvanishingassociatedautomorphismboundedclass
read the original abstract
We prove the vanishing of the cup product of the bounded cohomology classes associated to any two Brooks quasimorphisms on the free group. This is a consequence of the vanishing of the square of a universal class for tree automorphism groups.
This paper has not been read by Pith yet.
discussion (0)
Sign in with ORCID, Apple, or X to comment. Anyone can read and Pith papers without signing in.