In Chapter 3 gravitational radiation in an expanding universe is examined by a method of asymptotic expansions. The ‘peeling off’ behaviour and the asymptotic group are derived.

This thesis is divided into six chapters (following Introduction). Each chapter was intended to be self-contained, so they do not have to be read in the order they are presented. Second chapter ...

In chapter two of his thesis, Turner said Hawking's assertions were false. Hawking came to the conclusion that galaxies cannot be formed as a result of a growth of small and initial lumpiness in ...