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Minkowski metric

{c}
{title2=$U\cdot U$}

The Minkowski norm is the Lorentz-invariant quadratic form $U\cdot U=\eta_{\mu\nu}U^\mu U^\nu$.

This quadratic form belongs to the geometry of <Minkowski spacetime>; the spacetime itself is a broader concept than this squared norm.

Minkowski norm

Null directions

Past exam of the mathematics course of the University of Cambridge / 2022 / ia / Paper 4 / 12C / a / Solution

Minkowski norm ( $U \cdot U$ )

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Minkowski norm (U⋅U)

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Minkowski norm ( $U \cdot U$ )

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