ZARM, University of Bremen
Am Fallturm
28359 Bremen
Germany

Dissertation

• Investigation of the gravitational lens effect with differential topology (May 2022)

Publications

• Mourad Halla, Volker Perlick: "Application of the Gauss–Bonnet theorem to lensing in the NUT metric" Gen. Rel. Grav. 52, 112 (2020)   arXiv.org/abs/2008.10093
• Mourad Halla, Volker Perlick: "Morse-theoretical analysis of lensing in wormhole spacetimes" Phys. Rev. D 105, 024027 (2022)  arXiv.org/abs/2109.12681
• Mourad Halla, Volker Perlick: "Gravitational lensing in Brill spacetimes " Phys. Rev. D 107, 024048 (2023)   arXiv.org/abs/2210.01611