Update 2024-07-24-Simultaneous-Matrix-Diagonalization.md

RituPande · Sep 2, 2024 · 8c7dc9c · 8c7dc9c
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   -  C_ab =  C_a * C_b
   -  C_a C_b = C_b C_a
 
+Schur's Lemma
+- The only relationship that can exist between who irredicuble repressentation is similarity
+  XR=R'X i.e. $$XRX^{-1} = R'$$  
 - If a matrix X commutes with all the matrices of a collection of irreducible matrices, i.e XR = RX, for all R's in the collection then it has to be a scalar multiple if identity matix I