Comment on 'Stability of the semiclassical Einstein equation'

Comment on a relativistic model for coalescing neutron star binaries

Comment on arXiv:1007.0718 by Lee Smolin

Comment on Consistent Interpretation of Quantum Mechanics Using Quantum Trajectories

Comment on entropy bounds and the generalized second law

Comment on Entropy in Two-dimensional Dilaton Gravity

Comment on F.J.Ernst, V.S.Manko and E.Ruiz "On interrelations between Sibgatullin's and Alekseev's approaches to the construction of exact solutions of the Einstein-Maxwell equations" (J.Phys.:Conf.Ser.229(2010)012050; arXiv:1006.5118)

Comment on gr-qc/0309003: ``Comment on `Absence of trapped surfaces and singularities in cylindrical collapse' ''

Comment on Phys. Rev. D 60 084017 "Classical self-force" by F. Rohrlich

Comment on recent papers regarding next-to-leading order spin-spin effects in gravitational interaction

Comment on Ricci Collineations for spherically symmetric space-times

Comment on Ricci Collineations for type B warped space-times

Comment on Ricci Collineations of Static Spherically Symmetric Spacetimes

Comment on Singularity-free Cosmological Solutions with Non-rotating Perfect Fluids

Comment on superluminality in general relativity

Comment on the "Influence of Cosmological Transitions on the Evolution of Density Perturbations"

Comment on the Calculation of the Angular Momentum and Mass for the (Anti-) Self Dual Charged Spinning $BTZ$ Black Hole

Comment on the chaotic singularity in some magnetic Bianchi VI$_0$ cosmologies

Comment on the choice of time in a two-component formulation of the Wheeler--DeWitt equation

Comment on the cosmological constant and a gravitational alpha