2019/04/14 by Pierre Pansu, Pansu, Pierre, Francesca Tripaldi +1
Mathematics · #35R03 (Primary) #43A80 (Secondary) #58A10 #Differential Geometry (math.DG) #FOS: Mathematics #Geometric Analysis and Curvature Flows #Geometry and complex manifolds #Homotopy and Cohomology in Algebraic Topology
paper · pdf · doi:10.48550/arxiv.1904.06669
openalex publication_date 2019/04/14 · openalex created_date 2025/10/10 · openalex updated_date 2026/07/28
Averages are invariants defined on the ℓ1 cohomology of Lie groups. We prove that they vanish for abelian and Heisenberg groups. This result completes work by other authors and allows to show that the ℓ1 cohomology vanishes in these cases.