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gr-qc2026
Noether and Mei symmetries in static spherically symmetric quadratic gravity: variational consistency, constraints, and conserved curvature flux
G. G. N. Nashed, A. Eid, Kazuharu Bamba
The symmetry content of static spherical gravity is reconsidered for the pure quadratic model. We first derive the radial action without prematurely eliminating the equation…
gr-qc2007
Stability of Reissner Nordstrm Black Hole
Gamal Gergess Lamee Nashed
The singularity of the solutions obtained before in the teleparallel theory of gravitation is studied. Also the stability of these solutions is studied using the equations of geode…