Addendum to “Morse theory of causal geodesics in a stationary spacetime via Morse theory of geodesics of a Finsler metric” [Ann. I. H. Poincaré – AN 27 (3) (2010) 857–876]

We give the details of the proof of equality (29) in Caponio et al. (2010) [3].

RésuméOn donne les détails de la preuve de lʼéquation (29) dans Caponio et al. (2010) [3].