I show that a physically reasonable spacetime (i.e. a chronological spacetime in which the null convergence and the null genericity conditions hold) which is null geodesically complete admits a time function.
On the existence of time in non-singular spacetimes / E. Minguzzi. - In: JOURNAL OF PHYSICS. CONFERENCE SERIES. - ISSN 1742-6588. - STAMPA. - 174:(2009), pp. 012068-1-012068-4. (Intervento presentato al convegno Fourth International Workshop DICE2008 tenutosi a Castello Pasquini, Castiglioncello (Italy), Castello Pasquini, Castiglioncello (Italy), nel 22-26 settembre 2008) [10.1088/1742-6596/174/1/012068].
On the existence of time in non-singular spacetimes
MINGUZZI, ETTORE
2009
Abstract
I show that a physically reasonable spacetime (i.e. a chronological spacetime in which the null convergence and the null genericity conditions hold) which is null geodesically complete admits a time function.
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