Abstract
The conditions are clarified under which regular (i.e., singularity-free) black holes can exist. It is shown that in a large class of spacetimes that satisfy the weak energy condition the existence of a regular black hole requires topology change.
- Received 9 August 1996
DOI:https://doi.org/10.1103/PhysRevD.55.7615
©1997 American Physical Society
