3 papers
math.GR2023
GAGTA 2023 Problem Session
Henry Bradford, Christopher H. Cashen, Francesco Fournier-Facio +2
The conference `Geometric and Asymptotic Group Theory with Applications (GAGTA) 2023: Groups and Dynamics' took place at the Erwin Schrödinger Institute on July 17-21. These are th…
math.GR2022
Hopfian wreath products and the stable finiteness conjecture
Henry Bradford, Francesco Fournier-Facio
We study the Hopf property for wreath products of finitely generated groups, focusing on the case of an abelian base group. Our main result establishes a strong connection between…
math.GR2022
Median quasimorphisms on CAT(0) cube complexes and their cup products
Benjamin Brück, Francesco Fournier-Facio, Clara Loeh
Cup products provide a natural approach to access higher bounded cohomology groups. We extend vanishing results on cup products of Brooks quasimorphisms of free groups to cup produ…