Extended Cosmologies

• Published in: Symmetry, Integrability and Geometry: Methods and Applications
• Date: 2016
• Main Authors: Capozziello, S., De Laurentis, M.F., Fatibene, L., Ferraris, M., Garruto, S.
• Format: Article
• Language: English
• Published: Інститут математики НАН України 2016
• Online Access: https://nasplib.isofts.kiev.ua/handle/123456789/147421
• Journal Title: Digital Library of Periodicals of National Academy of Sciences of Ukraine
• Cite this: Extended Cosmologies / S. Capozziello, M.F. De Laurentis, L. Fatibene, M. Ferraris, S. Garruto // Symmetry, Integrability and Geometry: Methods and Applications. — 2016. — Т. 12. — Бібліогр.: 28 назв. — англ.

We shall discuss cosmological models in extended theories of gravitation. We shall define a surface, called the model surface, in the space of observable parameters which characterises families of theories. We also show how this surface can be used to compare with observations. The model surface can...