Oscillating non-singular relativistic spherical model

Oscillating shells: A model for a variable cosmic object

Oscillating universe in the DGP braneworld

Oscillating universes as eigensolutions of cosmological Schrödinger equation

Oscillation and Instabilities of Relativistic Stars

Oscillations of General Relativistic Multi-fluid/Multi-layer Compact Stars

Oscillations of General Relativistic Superfluid Neutron Stars

Oscillations of rapidly rotating relativistic stars

Oscillations of the F(R) dark energy in the accelerating universe

Oscillations toward the singularity of LRS Bianchi type IX cosmological models with Vlasov matter

Oscillatons formed by non linear gravity

Oscillatons revisited

Oscillatory and Power-law Mass Inflation in Non-Abelian Black Holes

Oscillatory approach to the singularity in vacuum $T^2$ symmetric spacetimes

Oscillatory approach to the singularity in vacuum spacetimes with $T^2$ isometry

Oscillatory behavior of closed isotropic models in second order gravity theory

Oscillatory null singularity inside realistic spinning black holes

Oscillatory regime in the Multidimensional Homogeneous Cosmological Models Induced by a Vector Field

Oscillatory Universes in Loop Quantum Cosmology and Initial Conditions for Inflation

Osculating orbits in Schwarzschild spacetime, with an application to extreme mass-ratio inspirals