The Fermat Principle in General Relativity and Applications

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dc.creatorGiannoni, Fabio
dc.creatorMasiello, Antonio
dc.creatorPiccione, Paolo
dc.date1999-06-25
dc.date.accessioned2026-07-07T04:32:51Z
dc.date.available2026-07-07T04:32:51Z
dc.descriptionIn this paper we use a general version of Fermat's principle for light rays in General Relativity and a curve shortening method to write the Morse relations for light rays joining an event with a smooth timelike curve in a Lorentzian manifold with boundary. As a physical meaning, one can apply the Morse relations to have a mathematical description of the "gravitational lens effect" in a very general context.
dc.descriptionPlain TeX, 42 pages
dc.identifierhttps://arxiv.org/abs/math-ph/9906023
dc.identifierhttp://arxiv.org/abs/math-ph/9906023
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/58352
dc.subjectMathematical Physics
dc.titleThe Fermat Principle in General Relativity and Applications
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