In this presentation I will explain the work around my thesis Mass − radius − relation of
a neutron star in f(R) − Gravity. In particular I take into account the model considering
the scalar curvature R as an independent function of r and express the modified Tolman-
Oppenheimer-Volkoff equations and solve them numerically. By using adequate equations
of states I am able to show the calculated results with plots and compare them with the
Mass-radius-relation of General Relativity.