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General solution of Liouville's equation in Robertson-Walker space-times

Research output: Contribution to journalArticle

We obtain the general solution of Liouville's equation in Robertson-Walker space-times, based on Killing vector constants of the motion and a new time-dependent first integral. For photons the solution is generated by conformai Killing vectors.

Original languageEnglish
Pages (from-to)1217-1222
Number of pages6
JournalGeneral Relativity and Gravitation
Volume19
Issue number12
DOIs
Publication statusPublished - 1 Dec 1987

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