I'm stuck on an apparently obvious statement in special relativity, so I hope you can help me. Can I define Lorenz transformations as transformations that don't change the spacetime interval in M4 and from this deduct that the metric tensor is invariant under LT? I've always read that the invariance of the metric tensor under LT was assumed, but I've never seen this way of proceeding(adsbygoogle = window.adsbygoogle || []).push({});

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# A Invariance of metric tensor

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