Answers are grounded in this paper and cite their sources.
A theorem is proved to the effect that, for isolated gravitating systems in equilibrium, the definition of total angular momentum involving fields at null infinity agrees with that involving fields at spatial infinity.
No takes yet. Share an insight, caveat, or question.
Ashtekar et al. (1979) studied this question.
Synapse has enriched 10 related papers. Consider them for comparative context: