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Abstracts
Marek Szydlowski
Polynomial f(R) Palatini cosmology  dynamical system approach
We investigate cosmological dynamics based on f(R) gravity in the Palatini formulation. In this study we use the dynamical systems methods. We show that the evolution of the Friedmann equation reduces to the form of the piecewise smooth dynamical system. We demonstrate how the trajectories can be sewn to guarantee C^0 inextendibility of the metric. We point out that importance of dynamical system of Newtonian type with nonsmooth righthand sides in the context of Palatini cosmology. In this framework we can investigate naturally singularities which appear in the past and future of cosmic evolution.


Organizer:
Institute of Physics Belgrade
(University of Belgrade)
Belgrade, Serbia
Coorganizers:
Mathematical Institute
(Serbian Academy of Sciences and Arts)
Belgrade, Serbia
and
Faculty of Mathematics
(University of Belgrade)
Belgrade, Serbia
Email: mphys9@ipb.ac.rs
