2 papers
math.GR2024
Bounded cohomology of groups acting on trees with almost prescribed local actions
Giuseppe Bargagnati, Elena Bogliolo
We prove the vanishing of bounded cohomology of the groups acting on trees with almost prescribed local actions , where are finite permutation groups such that $F'…
math.GT2021
The simplicial volume of contractible 3-manifolds
Giuseppe Bargagnati, Roberto Frigerio
We show that the simplicial volume of a contractible 3-manifold not homeomorphic to is infinite. As a consequence, the Euclidean space may be characterized as the un…