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physics.gen-ph2020
Stability of Einstein and de Sitter Universes in the Quadratic Theory of Modified Gravity
Mudhahir Al Ajmi
We consider the Einstein static and the de Sitter universe solutions and examine their instabilities in a subclass of quadratic modified theories for gravity. This modification pro…
physics.gen-ph2018
Noether symmetry in the Nash theory of gravity
Phongpichit Channuie, Davood Momeni, Mudhahir Al Ajmi
This paper deals with the study of Bianchi type-I universe in the context of Nash gravity by using the Noether symmetry approach. We shortly revisit the Nash theory of gravity. We…