Mohadi, Aicha; Aissaoui, Habib; Boussahel, Mounir
(Université Frères Mentouri - Constantine 1, 2022-07-07)
In this thesis, we studied two different phenomena. In the first part,
the accelerated expansion of the universe without introducing the
concept of dark energy was examined. We studied it in the FRW
metric with perfect ...