Initial data sets of minimal energy

Initial value formulation for the spherically symmetric dust solution.

Instability in superspace

Integrable pseudo-Euclidean Toda-like systems in multidimensional cosmology with multicomponent perfect fluid

Interacting quantum fields around a black hole

Interacting relativistic boson fields in the De Sitter universe with two space-time dimensions

Invariant Approach to the Geometry of Spaces in General Relativity

Invariant operators of IU(n) and IO(n) and their eigenvalues

Isolated maximal surfaces in spacetime

Isometric embedding of the spherically symmetric Stephani universe: Some explicit examples.

Isotropic homogeneous universe with viscous fluid

Jeans' instability analysis of scalar field halos

Jerzy PLEBAŃSKI:. the Quest for New Worlds

K-essence with a Polynomial Equation of State

Kaluza-Klein equations, Einstein's equations, and an effective energy-momentum tensor.

Kantowski-Sachs cosmological models as big-bang models

Kerr black holes in a magnetic universe

Killing Horizons and Orthogonally Transitive Groups in Space-Time

Killing tensors in two-dimensional space-times with applications to cosmology.

Killing vector fields in self-dual, Euclidean Einstein spaces with Λ≠0.