Projective Invariance and Einstein's Equations Giovanni GiachettaLuigi Mangiarotti OriginalPaper Pages: 5 - 18
Integration in the GHP Formalism II: An Operator Approach for Spacetimes with Killing Vectors, with Applications to Twisting Type N Spaces S. Brian EdgarGarry Ludwig OriginalPaper Pages: 19 - 59
Cosmological Models with Variable Cosmological and Gravitational “Constants” and Bulk Viscous Models Arbab I. Arbab OriginalPaper Pages: 61 - 74
Two-Soliton Solutions of Axially Symmetric Metrics S. ChaudhuriK. C. Das OriginalPaper Pages: 75 - 90
Some Properties of the Bel and Bel-Robinson Tensors Miguel Á. G. BonillaJosé M. M. Senovilla OriginalPaper Pages: 91 - 116