Comment on ``Colliding null shells of matter'' [J. Math. Phys. 33, 1065 (1992)]

Complete sets of functions for perturbations of Robertson Walker cosmologies.

Complete sets of functions for perturbations of Robertson-Walker cosmologies and spin 1 equations in Robertson-Walker-type space-times.

Composite gluons and magnetic monopoles

Conformal gauge theory of (2+1)-dimensional gravity.

Conformal regularization of the Kepler Problem

Conformal symmetry inheritance with cosmological constant.

Conformally flat static space-time in Brans-Dicke theory

Conformally symmetric static fluid spheres.

Conservation laws and integrability conditions for gravitational and Yang-Mills field equations

Conservation Laws, Constants of the Motion, and Hamiltonians

Cosmic vacuum strings and domain walls in Brans-Dicke theory of gravity.

Cosmological consequences of the relativistic theory of gravitation with massive gravitons

Cosmological constraints for a two brane-world system with single equation of state

Cosmological Evolution of an Asymmetric DGP Brane Word Model

Cosmological models that describe particle creation in the early universe and evolve into the "present-day" universe.

Cosmological principle and primordial spinor fields

Cosmological singularity at the Planck scale.

Cosmological Yang-Mills hydrodynamics.

Counterexamples to Parker's theorem