Lightcone in Minkowski space

Metadata
aliases: [Null cone in Minkowski space]
shorthands: {}
created: 2022-02-22 14:37:21
modified: 2022-02-22 14:37:46

Let be a Minkowski spacetime and is a Minkowski metric for it. Then the lightcone of an event is the following set of points:

So is on 's light cone if:

The -vector classification can be directly tied to the idea of lightcones: