I was wondering what the temperature beyond the event horizon of a black hole might be, would the compression of matter towards the singularity heat material up to a level comparable to the Planck temperature, or would the gravitational forces restrict all vibration, even down to the quantum level?
Which lead me to thinking, if that was the case, would a singularity have any zero-point energy, or would the singulariy violate Heisenberg's uncertainty principle?