37 citations
- North-West UniversityZA10 papers
- Ethiopian Space Science and Technology InstituteET6 papers
- College of Science and Technology - University of RwandaRW4 papers
- National Institute for Theoretical PhysicsZA4 papers
- University of Cape TownZA4 papers
- Universidad de SalamancaES2 papers
- University of OsloNO2 papers
- Addis Ababa UniversityET1 paper
- Dilla UniversityET1 paper
- Imam Mohammad ibn Saud Islamic UniversitySA1 paper
- South African Radio Astronomy ObservatoryZA1 paper
- University of KhartoumSD1 paper
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gr-qc2020★ 15 cited
On multifluid perturbations in scalar-tensor cosmology
Joseph Ntahompagaze, Shambel Sahlu, Amare Abebe +1
In this paper the scalar-tensor theory is applied to the study of perturbations in a multi-fluid universe, using the 1+3 covariant approach. Both scalar and harmonic decompositions…
gr-qc2020★ 5 cited
Accelerating universe in modified teleparallel gravity theory
Shambel Sahlu, Joseph Ntahompagaze, Amare Abebe +1
This paper studies the cosmology of accelerating expansion of the universe in modified teleparallel gravity theory. We discuss the cosmology of gravity theory and its impl…