2 papers
math.DG2026
Locally conformally homogeneous Lorentzian spaces
Thomas Leistner, Lilia Mehidi, Abdelghani Zeghib
We study locally conformally homogeneous Lorentzian manifolds of dimension at least , admitting an essential pseudo-group of local conformal transformations. Generalizing a rece…
math.DG2024
Lorentzian homogeneous structures with indecomposable holonomy
Steven Greenwood, Thomas Leistner
For a Lorentzian homogeneous space, we study how algebraic conditions on the isotropy group affect the geometry and curvature of the homogeneous space. More specifically, we prove…