roseking's picture
Add lean source and binary files (part 84)
cdec422 verified
Raw History Blame Contribute Delete
3.09 kB
import OAI.LinearAlgebra.MatrixMultiplication.FieldHistory.Regrouping
namespace OAI
/-! Finite extraction histories, inherited masks and recovery bounds. -/
noncomputable section
namespace MatrixMultiplication.AllFieldHistoryTickCarry
open MatrixMultiplication.Foundation AllFieldHistory AllFieldFiniteFamily
open AllFieldHistoryRegrouping
open scoped Classical
attribute [local instance] Classical.propDecidable Classical.decEq
section Distribution
variable {F : Type*} [Field F]
def distributeProduct
{X Y Z U V W : Type}
[Fintype X] [Fintype Y] [Fintype Z]
[Fintype U] [Fintype V] [Fintype W]
(active : Tensor F X Y Z) (carried : Tensor F U V W)
(J : Type) [Fintype J] :
LocalMap (Tensor.product (Tensor.directSum (fun _ : J => active)) carried)
(Tensor.directSum (fun _ : J => Tensor.product active carried)) where
x := fun x s => if s = ((x.1, x.2.1), x.2.2) then 1 else 0
y := fun y s => if s = ((y.1, y.2.1), y.2.2) then 1 else 0
z := fun z s => if s = ((z.1, z.2.1), z.2.2) then 1 else 0
coefficient := by
rw [← Tensor.pullback_eq_restrict]
funext x y z
simp [Tensor.pullback, Tensor.directSum, Tensor.product, ite_mul]
end Distribution
variable {K tick : ℕ} (allocation : Allocation) (m : ℕ)
(F : Type*) [Field F] (ε : ℝ) {J : Type} [Fintype J]
def liftExecution
(E : Execution
(activeTensor (K := K) (tick := tick) allocation m F ε)
(Tensor.directSum (fun _ : J =>
producedTensor (K := K) (tick := tick) allocation m F ε))) :
Execution (stateTensor F (K := K) allocation m ε tick)
(Tensor.directSum (fun _ : J =>
stateTensor F (K := K) allocation m ε (tick + 1))) where
Copies := E.Copies
copies_positive := E.copies_positive
map :=
((activeCarriedMap (K := K) (tick := tick) allocation m F ε).parallelCopies E.Copies).comp
((LocalMap.replicationProduct
(activeTensor (K := K) (tick := tick) allocation m F ε)
(carriedTensor (K := K) (tick := tick) allocation m F ε) E.Copies).comp
((E.map.product
(LocalMap.identity (carriedTensor (K := K) (tick := tick) allocation m F ε))).comp
((distributeProduct
(producedTensor (K := K) (tick := tick) allocation m F ε)
(carriedTensor (K := K) (tick := tick) allocation m F ε) J).comp
((nextMap (K := K) (tick := tick) allocation m F ε).parallelCopies J))))
@[simp] theorem liftExecution_copies
(E : Execution
(activeTensor (K := K) (tick := tick) allocation m F ε)
(Tensor.directSum (fun _ : J =>
producedTensor (K := K) (tick := tick) allocation m F ε))) :
(liftExecution allocation m F ε E).Copies = E.Copies := rfl
@[simp] theorem liftExecution_card_copies
(E : Execution
(activeTensor (K := K) (tick := tick) allocation m F ε)
(Tensor.directSum (fun _ : J =>
producedTensor (K := K) (tick := tick) allocation m F ε))) :
Fintype.card (liftExecution allocation m F ε E).Copies = Fintype.card E.Copies := rfl
end MatrixMultiplication.AllFieldHistoryTickCarry
end
end OAI