Showing gr-qcShow all
2 papers · 1 filter
gr-qc2026
The spacetime Penrose inequality under a quasi final state hypothesis
Ahmed Ellithy
Penrose's original heuristic for his eponymous spacetime inequality -- a conjectured lower bound on the ADM mass in terms of the area of a horizon cross-section -- relies on the bl…
gr-qc2025
Local Well-Posedness for the Bartnik Stationary Extension Problem near Schwarzschild Spheres
Ahmed Ellithy
We investigate the Bartnik stationary extension conjecture, which arises from the definition of the spacetime Bartnik mass for a compact region in a general initial data set satisf…