Perturbations in the Einstein theory of gravity: Conserved currents

Perturbations in the Kerr-Newman Dilatonic Black Hole Background: Maxwell Waves, the Dilaton Background and Gravitational Lensing

Perturbations in the Kerr-Newman Dilatonic Black Hole Background: I. Maxwell waves

Perturbations in the relaxation mechanism for a large cosmological constant

Perturbations of a Schwarzschild black hole. Notes on Zerilli's approach

Perturbations of a topological defect as a theory of scalar fields interacting with an external vector potential

Perturbations of a Universe Filled with Dust and Radiation

Perturbations of an exact solution for 2+1 dimensional critical collapse

Perturbations of Dark Matter Gravity

Perturbations of generic Kasner spacetimes and their stability

Perturbations of global monopoles as a black hole's hair

Perturbations of higher-dimensional spacetimes

Perturbations of Keplerian Orbits in Stationary Spherically Symmetric Spacetimes

Perturbations of Kerr-de Sitter Black Hole and Heun's Equations

Perturbations of Matter Fields in the Second-order Gauge-invariant Cosmological Perturbation Theory

Perturbations of rotating cosmological black holes

Perturbations of Schwarzschild Black Holes in Chern-Simons Modified Gravity

Perturbations of Schwarzschild black holes in Dynamical Chern-Simons modified gravity

Perturbations of Schwarzschild black holes in the Lorenz gauge: Formulation and numerical implementation

Perturbations of Spacetime around a Stationary Rotating Cosmic String