The results "chronological spacetimes without lightlike lines are stably causal" is announced and motivated. It implies that chronological spacetimes which are null geodesically complete and satisfy the null genericity and the null (averaged) energy condition admit a time function.
Chronological null complete spacetimes admit a global time / Minguzzi, Ettore. - In: AIP CONFERENCE PROCEEDINGS. - ISSN 0094-243X. - STAMPA. - 1122:(2009), pp. 352-355. (Intervento presentato al convegno Spanish Relativity Meeting 2008 tenutosi a Salamanca nel 15-19 settembre 2008) [10.1063/1.3141324].
Chronological null complete spacetimes admit a global time
MINGUZZI, ETTORE
2009
Abstract
The results "chronological spacetimes without lightlike lines are stably causal" is announced and motivated. It implies that chronological spacetimes which are null geodesically complete and satisfy the null genericity and the null (averaged) energy condition admit a time function.
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