Review ArticleOpen accessIn the abstractOn the Generation of Equivalent 'Black Hole' Metrics: A ReviewStephen J. CrothersVarious line-elements purporting different types of black hole universes have been advanced by cosmologists but a means by which the required infinite set of equivalent metrics can be generated has evaded them. Without such a means the theory of black holes is not only incomplete but also ill-posed. Notwithstanding, the mathematical form by which the infinite set of equivalent metrics … …Space Science International, Vol. 3, Issue 2 · 6 Jul 2015 · 13,567 accessesView PDFCite