2022-02-20   39430

Lorentz Transforms from Reflections

Every Lorentz transform that preserves the origin in N-dimensional spacetime can be expressed as the composition of N or fewer reflections. This is a special case of the Cartan-Dieudonné theorem. This article shows some examples and uses the theorem to demonstrate that null rotations can be expressed in terms of ordinary rotations and boosts.

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www.cphysics.org updated 2022-09-25