hi every, what part of EFE are the solutions (such as kerr ) for. Since most of them if not all dont require a mass or energy In there metric equation. I always just assume it was a solution to the metric tensor. Though i do know that the swartzschild metric requires a value for mass in its swartzschild radius.(adsbygoogle = window.adsbygoogle || []).push({});

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# What are EFE solutions

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