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feat: Make MulActionTensor

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jstoobysmith 2024-07-30 07:51:07 -04:00
parent 99f4e85839
commit a65fb06605
11 changed files with 177 additions and 55 deletions
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2
HepLean/SpaceTime/LorentzGroup/Boosts.lean
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@ -118,7 +118,7 @@ lemma toMatrix_continuous (u : FuturePointing d) : Continuous (toMatrix u) := by
simp only [toMatrix_apply]
refine Continuous.comp' (continuous_mul_left (η i i)) ?hf
refine Continuous.sub ?_ ?_
refine Continuous.comp' (continuous_add_left ⟪e i, e j⟫ₘ) ?_
refine Continuous.comp' (continuous_add_left (minkowskiMetric (e i) (e j))) ?_
refine Continuous.comp' (continuous_mul_left (2 * ⟪e j, u⟫ₘ)) ?_
exact FuturePointing.metric_continuous _
refine Continuous.mul ?_ ?_