Gravitational perfect fluid collapse in f(R) gravity

Implications of non-analytic f({\cal R}) gravity at solar system scales

(2009) O M Lecian et al.   CLASSICAL AND QUANTUM GRAVITY

On the non-minimal gravitational coupling to matter

(2008) O Bertolami et al.   CLASSICAL AND QUANTUM GRAVITY

Singularity Problem withf(R)Models for Dark Energy

(2008) Andrei V. Frolov   PHYSICAL REVIEW LETTERS

Latest supernovae constraints on f(R) cosmologies

(2008) J. Santos et al.   PHYSICS LETTERS B

Modified gravity with arbitrary coupling between matter and geometry

(2008) T. Harko   PHYSICS LETTERS B

Phantom crossing, equation-of-state singularities, and local gravity constraints in f(R) models

(2008) Luca Amendola et al.   PHYSICS LETTERS B