Mathematics – Differential Geometry
Scientific paper
2012-02-17
Mathematics
Differential Geometry
20 pages
Scientific paper
Fermat's principle for causal curves with the same energy in time orientable
Finsler spacetimes is obtained. We calculate the second variation of the time
arrival time functional along a geodesic in terms of the index form associated
with the Lagrangian L. Then, we study of the character of the geodesics and a
Morse index theorem is presented.
Piccione Paolo
Torromé Ricardo Gallego
Vitório Henrique
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