Positivity of energy in n-dimensional Lorentzian spaces

Possible solution of strong CP problem in generalized unimodular gravity.

Post-Newtonian approximation in the relativistic theory of gravity

Post-Newtonian approximation of the relativistic theory of gravitation on a cosmological background

PREFACE Lectures from the CERN Winter School on Supergravity, Strings, and Gauge Theory, CERN, 25-29 January, 2010 Lectures from the CERN Winter School on Supergravity, Strings, and Gauge Theory, CERN, 25-29 January, 2010

Preheating studies in a chaotic inflationary model

Primordial Perturbations Produced by a Self Interacting Scalar Field in the Braneworld: The Dynamical Systems Perspective

Propagators and pair production in a homogeneous isotropic universe

Proper conformal symmetries of space-times with divergence-free Weyl conformal tensor.

Properties of causally continuous closed universes

Properties of fridmons and the early stage of evolution of the universe