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Published in 2018 at "Journal of High Energy Physics"
DOI: 10.1007/jhep09(2018)123
Abstract: A bstractWe give new definitions of null infinity and black hole in terms of causal boundaries, applicable to any strongly causal spacetime (M, g). These are meant to extend the standard ones given in terms…
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Keywords:
notion null;
null infinity;
novel notion;
black hole ... See more keywords