8 citations · 44 across the 15 of their papers we have counts for
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gr-qc2005★ 5 cited
Horizon Mass Theorem
Yuan K. Ha
A new theorem for black holes is found. It is called the horizon mass theorem. The horizon mass is the mass which cannot escape from the horizon of a black hole. For all black hole…
gr-qc2005★ 5 cited
The Gravitational Energy of a Black Hole
Yuan K. Ha
An exact energy expression for a physical black hole is derived by considering the escape of a photon from the black hole. The mass of the black hole within its horizon is found to…