3 papers
math.DG2026
The Lebrun--Salamon conjecture is true in dimension up to 56
Jordi Daura Serrano, Aron Gohr, Marie-Amélie Lawn +1
We prove the LeBrun--Salamon conjecture for positive quaternionic Kähler manifolds of quaternionic dimension n <= 14. To do so, we first show that the isometry group Isom(M) of any…
math.GT2025
Large and iterated finite group actions on manifolds admitting non-zero degree maps to nilmanifolds
Jordi Daura Serrano
Let M be a closed connected oriented manifold admitting a non-zero degree map to a nilmanifold. In the first part of the paper we study effective finite group actions on M. In part…
math.GT2024
Actions of large finite groups on aspherical manifolds
Jordi Daura Serrano
In this paper we study actions of finite groups on closed connected aspherical manifolds. Under some assumptions on the outer automorphism group of the fundamental group of a close…