Key points are not available for this paper at this time.
A general approach to find out exact cosmological solutions in f (R) -gravity discussed. Instead of taking into account phenomenological models, we, as a physical criterium, the existence of Noether symmetries in the f (R) Lagrangian. As a result, the presence of such symmetries viable models and allow to solve the equations of motion. We discuss the case in which no Noether charge is present but general criteria can be to achieve solutions. Comment: 23 pages, uses RevTeX
Capozzıello et al. (Tue,) studied this question.
Synapse has enriched 5 closely related papers on similar clinical questions. Consider them for comparative context: