ZARM, University of Bremen
Am Fallturm
28359 Bremen
Germany

phone:
+49 421 218 - 57873

email:
mourad.halla(at)zarm.uni-bremen.de

Publications

• Mourad Halla and 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