OAI/Analysis/KadisonSimilarity/FreeProduct/FreeWordHilbert.lean
5 declarations, 0 contain sorry, 0 declared as axioms
The exact Gram matrices of the regrouped free-product word vectors.
- theorem
OAI.KadisonSimilarity.prod_pairWordline 17 - theorem
OAI.KadisonSimilarity.TracialCornerGeometry.trace_starline 33 - theorem
OAI.KadisonSimilarity.inner_tracialWordTensorline 44 - theorem
OAI.KadisonSimilarity.inner_reducedWord_eq_tensorline 70Source documentation
Scalar freeness gives precisely the inner product of the actual tensors, including both unrestricted endpoint factors.
theorem inner_reducedWord_eq_tensor (hτ : G.trace 1 = 1) (hf : ScalarFree G.trace D A) (n : ℕ) (d e : D) (b f : A) (a a' : Fin n → A) (c c' : Fin n → D) (ha : ∀ i, G.trace (a i : P) = 0) (ha' : ∀ i, G.trace (a' i : P) = 0) (hc : ∀ i, G.trace (c i : P) = 0) (hc' : ∀ i, G.trace (c' i : P) = 0) : inner ℂ (G.vector ((d : P) * alternatingProduct (fun i => (a i : P)) (fun i => (c i : P)) * (b : P))) (G.vector ((e : P) * alternatingProduct (fun i => (a' i : P)) (fun i => (c' i : P)) * (f : P))) = inner ℂ (tracialWordTensor G A D n d b a c ha hc) (tracialWordTensor G A D n e f a' c' ha' hc') := by …Mentions: OAI.KadisonSimilarity.ScalarFree, OAI.KadisonSimilarity.alternatingProduct, OAI.KadisonSimilarity.tracialWordTensor
- theorem
OAI.KadisonSimilarity.inner_reducedWord_neline 93Source documentation
Different numbers of centered pairs give orthogonal actual word vectors.
theorem inner_reducedWord_ne (hτ : G.trace 1 = 1) (hf : ScalarFree G.trace D A) (n m : ℕ) (hnm : n ≠ m) (d e : D) (b f : A) (a : Fin n → A) (c : Fin n → D) (a' : Fin m → A) (c' : Fin m → D) (ha : ∀ i, G.trace (a i : P) = 0) (ha' : ∀ i, G.trace (a' i : P) = 0) (hc : ∀ i, G.trace (c i : P) = 0) (hc' : ∀ i, G.trace (c' i : P) = 0) : inner ℂ (G.vector ((d : P) * alternatingProduct (fun i => (a i : P)) (fun i => (c i : P)) * (b : P))) (G.vector ((e : P) * alternatingProduct (fun i => (a' i : P)) (fun i => (c' i : P)) * (f : P))) = 0 := by …Mentions: OAI.KadisonSimilarity.ScalarFree, OAI.KadisonSimilarity.alternatingProduct