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  • Hayward
  • Physical review. D, Particles and fields
  • 1994
A general definition of a black hole is given, and general 'laws of black-hole dynamics' derived. The definition involves something similar to an apparent horizon, a trapping horizon, defined as a(More)
  • Hayward
  • Physical review. D, Particles and fields
  • 1996
Various properties of the Misner-Sharp spherically symmetric gravitational energy E are derived, and known properties reviewed. In the Newtonian limit, E yields the Newtonian mass to leading order(More)