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arxiv: 1709.01741 · v1 · pith:LTCRZFJWnew · submitted 2017-09-06 · 🧮 math.SG · gr-qc· math.DG

Redshift and contact forms

classification 🧮 math.SG gr-qcmath.DG
keywords contactformsredshiftspacetimeassociatedcauchyequalsglobally
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It is shown that the redshift between two Cauchy surfaces in a globally hyperbolic spacetime equals the ratio of the associated contact forms on the space of light rays of that spacetime.

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