feat: Make MulActionTensor

2024-07-30 07:51:07 -04:00 · 2024-07-30 07:51:07 -04:00 · a65fb06605
commit a65fb06605
parent 99f4e85839
11 changed files with 177 additions and 55 deletions
--- a/HepLean/SpaceTime/LorentzVector/LorentzAction.lean
+++ b/HepLean/SpaceTime/LorentzVector/LorentzAction.lean
@ -25,6 +25,10 @@ def rep : Representation ℝ (LorentzGroup d) (LorentzVector d) where
  map_mul' x y := by
    simp only [lorentzGroupIsGroup_mul_coe, map_mul]

+open Matrix in
+@[simp]
+lemma rep_apply (g : LorentzGroup d) : rep g v = g *ᵥ v := rfl
+
 end LorentzVector

 end