Recent content by Fermiat

Thank you for the replies, so I was just confused by the fact I was considering a tautology.

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...

Hi everyone, I'm a mathematician and I've been reading for you lots of time. Now I was interested in participating so here I am!