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gr-qc2011
Can modified gravity prevent the gravitational collapse to black hole?
Emilio Santos
It is shown that the theoretical arguments for the unavoidable collapse of massive stars, which are valid within standard general relativity, are not valid in extended gravity. In…
gr-qc2011
Constraints on fourth order generalized f(R) gravity
Emilio Santos
A fourth order generalized f(R) gravity theory (FOG) is considered with the Einstein-Hilbert action being Ricci\'{}s tensor and R the curvature s…
gr-qc2011★ 33 cited
Neutron stars in generalized f(R) gravity
Emilio Santos
Quartic gravity theory is considered with the Einstein-Hilbert Lagrangean being Ricciś tensor and R the curvature scalar. The parameters and…