3 papers
math.DG2025
Completeness of compact Locally symmetric Lorentz manifolds
Souheib Allout, Malek Hanounah
The geodesic completeness of compact locally symmetric Lorentz manifolds has been established in several important cases, namely, the constant curvature, indecomposable, and Brinkm…
math.DG2023
On closed geodesics in Lorentz manifolds
Souheib Allout, Abderrahmane Belkacem, Abdelghani Zeghib
We construct compact Lorentz manifolds without closed geodesics.
math.SG2023
On contact mapping classes of prequantizations
Souheib Allout, Murat Sağlam
We present examples of prequantizations over integral symplectic manifolds which admit infinitely many smoothly trivial contact mapping classes. These classes are given by the conn…