Answers are grounded in this paper and cite their sources.
We give a new definition of a quasilocal mass function in general relativity which is uniquely defined, manifestly non-negative, and increases with increasing domains. This mass function agrees with the Schwarzschild mass for spherically symmetric spacetimes.
No takes yet. Share an insight, caveat, or question.
Robert Bartnik (1989) studied this question.
Synapse has enriched 10 related papers. Consider them for comparative context: