New Galilean spacetimes to model an expanding universe
Author:
Publication date:
2021
Editorial:
Servicio de Publicaciones de la Universidad de Oviedo
Citación:
Fuente Benito, D. de la (2021) New Galilean spacetimes to model an expanding universe. En Gallego, R. y Mateos, M.(editores) Proceedings of the XXVI Congreso de Ecuaciones Diferenciales y Aplicaciones. XVI Congreso de Matemática Aplicada (pp. 155-159). Oviedo : Universidad de Oviedo, Servicio de Publicaciones
Descripción física:
p. 155-159
Abstract:
We introduce a new family relevant in the context of a generalized Newton-Cartan Theory: the Galilean Generalized Robertson-Walker spacetimes. We study its geometrical structure and analyse the completeness of its inextensible free falling observers. Additionally, we find some sufficient geometric conditions which guarantee a global splitting of a Galilean spacetime as a Galilean Generalized Robertson-Walker spacetime.
ISBN:
978-84-18482-21-2
Patrocinado por:
The author was partially supported by Spanish MINECO and ERDF project MTM2016-78807-C2-1-P.
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