roseking's picture
Add lean source and binary files (part 84)
cdec422 verified
Raw History Blame Contribute Delete
15.9 kB
import OAI.LinearAlgebra.MatrixMultiplication.FieldHistory.GroupCore
import OAI.LinearAlgebra.MatrixMultiplication.FieldHistory.Recovery
import OAI.LinearAlgebra.MatrixMultiplication.Recovery.GroupOrbitProjection
import OAI.LinearAlgebra.MatrixMultiplication.Recovery.RecoveryOrbitDecisions
namespace OAI
/-! Finite extraction histories, inherited masks and recovery bounds. -/
noncomputable section
namespace MatrixMultiplication.AllFieldHistoryGroupedRecovery
open AllFieldHistory AllFieldHistorySupport AllFieldHistoryChildLaws
open AllFieldHistoryGroupMasks JointPopulation JointCanonicalization JointCanonicalCW
open PermutationMatching
open scoped BigOperators
attribute [local instance] Classical.propDecidable Classical.decEq
variable {K tick : ℕ}
theorem coordinates_project (allocation : Allocation) (m : ℕ) (sigma : Placement)
(e : AllFieldHistoryRecovery.Targets (K := K) (tick := tick) allocation m)
(w : AllFieldHistoryRecovery.Raw (K := K) (tick := tick) allocation m) :
GroupOrbitProjection.projectPair
(ClassPositions (activeCounts allocation m))
AllFieldHistoryMasks.Letters AllFieldHistoryMasks.Letters
(fun h : Active K tick => h.val.physicalOrder = sigma)
(AllFieldHistoryRecovery.coordinates allocation m e w) =
groupCoordinates allocation m sigma (projectTarget allocation m sigma e)
(projectRaw allocation m sigma w) := rfl
theorem idealSide_iff_all_groups (allocation : Allocation) (m : ℕ) (ε : ℝ)
(side : Fin 3)
(e : AllFieldHistoryRecovery.Targets (K := K) (tick := tick) allocation m)
(w : AllFieldHistoryRecovery.Raw (K := K) (tick := tick) allocation m) :
AllFieldHistoryRecovery.idealSide allocation m ε side e w ↔
∀ sigma, groupIdealSide allocation m ε side sigma
(projectTarget allocation m sigma e) (projectRaw allocation m sigma w) := by
constructor
· intro hw sigma
exact ⟨fun h j => hw.1 h.val j, fun h u hu => hw.2 h.val u hu⟩
· intro hw
exact ⟨fun h j => (hw h.val.physicalOrder).1 ⟨h, rfl⟩ j,
fun h u hu => (hw h.val.physicalOrder).2 ⟨h, rfl⟩ u hu⟩
theorem project_joinGroupTargets (allocation : Allocation) (m : ℕ)
(e : ∀ sigma, GroupTarget (K := K) (tick := tick) allocation m sigma)
(sigma : Placement) :
projectTarget allocation m sigma (joinGroupTargets (activeCounts allocation m) e) =
e sigma := by
funext h
rcases h with ⟨h, hh⟩
cases hh
rfl
def groupedAssignment (allocation : Allocation) (m : ℕ) (E : Placement → Type*)
(a : ∀ sigma, JointExtraction.Assignment
(GroupRaw (K := K) (tick := tick) allocation m sigma)
(GroupRaw (K := K) (tick := tick) allocation m sigma) (GroupRaw (K := K) (tick := tick) allocation m sigma) (E sigma)) :
JointExtraction.Assignment (AllFieldHistoryRecovery.Raw (K := K) (tick := tick) allocation m)
(AllFieldHistoryRecovery.Raw (K := K) (tick := tick) allocation m) (AllFieldHistoryRecovery.Raw (K := K) (tick := tick) allocation m)
(∀ sigma, E sigma) where
x w := GroupAssignment.collect (fun sigma => (a sigma).x)
(fun sigma => projectRaw allocation m sigma w)
y w := GroupAssignment.collect (fun sigma => (a sigma).y)
(fun sigma => projectRaw allocation m sigma w)
z w := GroupAssignment.collect (fun sigma => (a sigma).z)
(fun sigma => projectRaw allocation m sigma w)
theorem groupedAssignment_sound (allocation : Allocation) (m : ℕ) (ε : ℝ)
(E : Placement → Type*)
(a : ∀ sigma, JointExtraction.Assignment
(GroupRaw (K := K) (tick := tick) allocation m sigma)
(GroupRaw (K := K) (tick := tick) allocation m sigma) (GroupRaw (K := K) (tick := tick) allocation m sigma) (E sigma))
(i : ∀ sigma, E sigma) (e : ∀ sigma, GroupTarget (K := K) (tick := tick) allocation m sigma)
(hx : ∀ sigma w, (a sigma).x w = some (i sigma) →
groupIdealSide allocation m ε 0 sigma (e sigma) w)
(hy : ∀ sigma w, (a sigma).y w = some (i sigma) →
groupIdealSide allocation m ε 1 sigma (e sigma) w)
(hz : ∀ sigma w, (a sigma).z w = some (i sigma) →
groupIdealSide allocation m ε 2 sigma (e sigma) w) :
(∀ w, (groupedAssignment allocation m E a).x w = some i →
AllFieldHistoryRecovery.idealSide allocation m ε 0
(joinGroupTargets (activeCounts allocation m) e) w) ∧
(∀ w, (groupedAssignment allocation m E a).y w = some i →
AllFieldHistoryRecovery.idealSide allocation m ε 1
(joinGroupTargets (activeCounts allocation m) e) w) ∧
(∀ w, (groupedAssignment allocation m E a).z w = some i →
AllFieldHistoryRecovery.idealSide allocation m ε 2
(joinGroupTargets (activeCounts allocation m) e) w) := by
refine ⟨?_, ?_, ?_⟩
· intro w hw
apply (idealSide_iff_all_groups allocation m ε 0 _ w).2
intro sigma
rw [project_joinGroupTargets]
exact hx sigma _ ((GroupAssignment.collect_eq_some _ _ _).mp hw sigma)
· intro w hw
apply (idealSide_iff_all_groups allocation m ε 1 _ w).2
intro sigma
rw [project_joinGroupTargets]
exact hy sigma _ ((GroupAssignment.collect_eq_some _ _ _).mp hw sigma)
· intro w hw
apply (idealSide_iff_all_groups allocation m ε 2 _ w).2
intro sigma
rw [project_joinGroupTargets]
exact hz sigma _ ((GroupAssignment.collect_eq_some _ _ _).mp hw sigma)
def localOrbit (allocation : Allocation) (m : ℕ) (sigma : Placement)
(e : GroupTarget (K := K) (tick := tick) allocation m sigma)
(w : GroupRaw (K := K) (tick := tick) allocation m sigma) : Finset (GroupRaw (K := K) (tick := tick) allocation m sigma) :=
GroupOrbitProjection.rawOrbit (groupCounts allocation m sigma)
(fun h => Fin (activeHalfLength h.val) → Fin 7)
(fun h => Fin (activeHalfLength h.val) → Fin 7) e w
def localAssigned (allocation : Allocation) (m : ℕ) (sigma : Placement) {E : Type*}
(a : JointExtraction.Assignment
(GroupRaw (K := K) (tick := tick) allocation m sigma)
(GroupRaw (K := K) (tick := tick) allocation m sigma) (GroupRaw (K := K) (tick := tick) allocation m sigma) E)
(i : E) (side : Fin 3) (w : GroupRaw (K := K) (tick := tick) allocation m sigma) : Prop :=
AllFieldHistoryRecovery.sideVariable side (a.x w = some i) (a.y w = some i) (a.z w = some i)
theorem grouped_assigned_iff (allocation : Allocation) (m : ℕ)
(E : Placement → Type*)
(a : ∀ sigma, JointExtraction.Assignment
(GroupRaw (K := K) (tick := tick) allocation m sigma)
(GroupRaw (K := K) (tick := tick) allocation m sigma) (GroupRaw (K := K) (tick := tick) allocation m sigma) (E sigma))
(i : ∀ sigma, E sigma) (side : Fin 3)
(w : AllFieldHistoryRecovery.Raw (K := K) (tick := tick) allocation m) :
AllFieldHistoryRecovery.sideVariable side
((groupedAssignment allocation m E a).x w = some i)
((groupedAssignment allocation m E a).y w = some i)
((groupedAssignment allocation m E a).z w = some i) ↔
∀ sigma, localAssigned allocation m sigma (a sigma) (i sigma) side
(projectRaw allocation m sigma w) := by
fin_cases side <;> exact GroupAssignment.collect_eq_some _ _ _
theorem filter_eq_rejected {V : Type*} (orbit : Finset V)
(bad : V → Prop) (d : DecidablePred bad) :
@Finset.filter V bad d orbit = rejectedFilter orbit bad := by
ext v
simp only [rejectedFilter, Finset.mem_filter]
theorem grouped_collision_le (allocation : Allocation) (m : ℕ) (ε : ℝ)
(E : Placement → Type*)
(a : ∀ sigma, JointExtraction.Assignment
(GroupRaw (K := K) (tick := tick) allocation m sigma)
(GroupRaw (K := K) (tick := tick) allocation m sigma) (GroupRaw (K := K) (tick := tick) allocation m sigma) (E sigma))
(i : ∀ sigma, E sigma) (e : ∀ sigma, GroupTarget (K := K) (tick := tick) allocation m sigma)
(side : Fin 3) (w : AllFieldHistoryRecovery.Raw (K := K) (tick := tick) allocation m)
(hbound : ∀ sigma,
(((localOrbit allocation m sigma (e sigma) (projectRaw allocation m sigma w)).filter
(fun v => AllFieldHistoryGroupMasks.completeKeep allocation m ε side sigma v ∧
¬localAssigned allocation m sigma (a sigma) (i sigma) side v)).card : ℝ) /
(localOrbit allocation m sigma (e sigma) (projectRaw allocation m sigma w)).card ≤ 1 / m) :
letI : MulAction (AllFieldHistoryRecovery.Symmetries (K := K) (tick := tick) allocation m)
(AllFieldHistoryRecovery.Raw (K := K) (tick := tick) allocation m) :=
AllFieldHistoryRecovery.rawAction allocation m (joinGroupTargets (activeCounts allocation m) e)
(((OrbitCounting.orbitSet (G := AllFieldHistoryRecovery.Symmetries (K := K) (tick := tick) allocation m) w).filter
(fun v => AllFieldHistoryRecovery.completeKeep allocation m ε side v ∧
¬AllFieldHistoryRecovery.sideVariable side
((groupedAssignment allocation m E a).x v = some i)
((groupedAssignment allocation m E a).y v = some i)
((groupedAssignment allocation m E a).z v = some i))).card : ℝ) /
(OrbitCounting.orbitSet (G := AllFieldHistoryRecovery.Symmetries (K := K) (tick := tick) allocation m) w).card ≤ 6 / m := by
let target := joinGroupTargets (activeCounts allocation m) e
let : MulAction (AllFieldHistoryRecovery.Symmetries (K := K) (tick := tick) allocation m)
(AllFieldHistoryRecovery.Raw (K := K) (tick := tick) allocation m) := AllFieldHistoryRecovery.rawAction allocation m target
have hb (sigma : Placement) :
((rejectedFilter (GroupOrbitProjection.rawOrbit
(GroupOrbitProjection.groupCounts (activeCounts allocation m)
(fun h : Active K tick => h.val.physicalOrder = sigma))
(fun h => Left activeHalfLength h.val) (fun h => Right activeHalfLength h.val)
(GroupOrbitProjection.projectTarget (activeCounts allocation m)
(fun h => h.val.physicalOrder = sigma) target)
(projectRaw allocation m sigma w))
(fun v => AllFieldHistoryGroupMasks.completeKeep allocation m ε side sigma v ∧
¬localAssigned allocation m sigma (a sigma) (i sigma) side v)).card : ℝ) /
(GroupOrbitProjection.rawOrbit
(GroupOrbitProjection.groupCounts (activeCounts allocation m)
(fun h : Active K tick => h.val.physicalOrder = sigma))
(fun h => Left activeHalfLength h.val) (fun h => Right activeHalfLength h.val)
(GroupOrbitProjection.projectTarget (activeCounts allocation m)
(fun h => h.val.physicalOrder = sigma) target)
(projectRaw allocation m sigma w)).card ≤ 1 / m := by
change ((rejectedFilter
(localOrbit allocation m sigma (projectTarget allocation m sigma target)
(projectRaw allocation m sigma w))
(fun v => AllFieldHistoryGroupMasks.completeKeep allocation m ε side sigma v ∧
¬localAssigned allocation m sigma (a sigma) (i sigma) side v)).card : ℝ) /
(localOrbit allocation m sigma (projectTarget allocation m sigma target)
(projectRaw allocation m sigma w)).card ≤ 1 / m
dsimp only [target]
rw [project_joinGroupTargets]
have hb0 := hbound sigma
rw [filter_eq_rejected] at hb0
exact hb0
have hh := GroupOrbitProjection.raw_group_passing_rejection_fraction_le
(activeCounts allocation m) (Left activeHalfLength) (Right activeHalfLength)
(fun h : Active K tick => h.val.physicalOrder) target w
(AllFieldHistoryRecovery.completeKeep allocation m ε side)
(fun sigma => AllFieldHistoryGroupMasks.completeKeep allocation m ε side sigma)
(fun sigma => localAssigned allocation m sigma (a sigma) (i sigma) side)
(fun v hv sigma => completeKeep_project allocation m ε side v hv sigma)
(fun _ => (1 : ℝ) / m) hb
have hcard : Fintype.card Placement = 6 := by
norm_num [Placement, Fintype.card_perm, Nat.factorial]
have horbit :
OrbitCounting.orbitSet
(G := AllFieldHistoryRecovery.Symmetries (K := K) (tick := tick) allocation m) w =
GroupOrbitProjection.rawOrbit (activeCounts allocation m)
(Left activeHalfLength) (Right activeHalfLength) target w := by
exact RecoveryOrbitDecisions.orbitSet_eq_transportedOrbit
(G := AllFieldHistoryRecovery.Symmetries (K := K) (tick := tick) allocation m)
_ _ _ (AllFieldHistoryRecovery.coordinates allocation m target) w
rw [filter_eq_rejected, horbit]
have hfilter := rejectedFilter_congr
(GroupOrbitProjection.rawOrbit (activeCounts allocation m)
(Left activeHalfLength) (Right activeHalfLength) target w)
(fun v => AllFieldHistoryRecovery.completeKeep allocation m ε side v ∧
¬AllFieldHistoryRecovery.sideVariable side
((groupedAssignment allocation m E a).x v = some i)
((groupedAssignment allocation m E a).y v = some i)
((groupedAssignment allocation m E a).z v = some i))
(fun v => AllFieldHistoryRecovery.completeKeep allocation m ε side v ∧
¬∀ sigma, localAssigned allocation m sigma (a sigma) (i sigma) side
(GroupOrbitProjection.projectRaw (activeCounts allocation m)
(Left activeHalfLength) (Right activeHalfLength)
(fun h : Active K tick => h.val.physicalOrder = sigma) v))
(fun v => and_congr Iff.rfl
(not_congr (grouped_assigned_iff allocation m E a i side v)))
rw [hfilter]
simpa only [Finset.sum_const, Finset.card_univ, hcard, nsmul_eq_mul, Nat.cast_ofNat, mul_one_div] using hh
theorem repair_grouped (F : Type*) [CommRing F] (allocation : Allocation)
{m : ℕ} {ε : ℝ} (hε : 0 < ε)
(hm : AllFieldHistoryRecovery.minimumDilation (K := K) (tick := tick) allocation ε ≤ m)
(E : Placement → Type*)
(a : ∀ sigma, JointExtraction.Assignment
(GroupRaw (K := K) (tick := tick) allocation m sigma)
(GroupRaw (K := K) (tick := tick) allocation m sigma) (GroupRaw (K := K) (tick := tick) allocation m sigma) (E sigma))
(i : ∀ sigma, E sigma) (e : ∀ sigma, GroupTarget (K := K) (tick := tick) allocation m sigma)
(hx : ∀ sigma w, (a sigma).x w = some (i sigma) →
groupIdealSide allocation m ε 0 sigma (e sigma) w)
(hy : ∀ sigma w, (a sigma).y w = some (i sigma) →
groupIdealSide allocation m ε 1 sigma (e sigma) w)
(hz : ∀ sigma w, (a sigma).z w = some (i sigma) →
groupIdealSide allocation m ε 2 sigma (e sigma) w)
(hbound : ∀ side w,
AllFieldHistoryRecovery.Used F allocation m ε
(joinGroupTargets (activeCounts allocation m) e) side w → ∀ sigma,
(((localOrbit allocation m sigma (e sigma) (projectRaw allocation m sigma w)).filter
(fun v => AllFieldHistoryGroupMasks.completeKeep allocation m ε side sigma v ∧
¬localAssigned allocation m sigma (a sigma) (i sigma) side v)).card : ℝ) /
(localOrbit allocation m sigma (e sigma) (projectRaw allocation m sigma w)).card ≤ 1 / m) :
InverseLinearRecovery.RecoveredBy
(AllFieldHistoryRecovery.ideal F allocation m ε (joinGroupTargets (activeCounts allocation m) e))
(JointExtraction.branch
(ExactRecovery.delete (AllFieldHistoryRecovery.rawSource F allocation m)
(AllFieldHistoryRecovery.completeKeep allocation m ε 0)
(AllFieldHistoryRecovery.completeKeep allocation m ε 1)
(AllFieldHistoryRecovery.completeKeep allocation m ε 2))
(groupedAssignment allocation m E a) i)
(AllFieldHistoryRecovery.shiftCount (K := K) (tick := tick) allocation ε m) := by
have hs := groupedAssignment_sound allocation m ε E a i e hx hy hz
apply AllFieldHistoryRecovery.repair_selected_branch F allocation hε hm
(groupedAssignment allocation m E a) i (joinGroupTargets (activeCounts allocation m) e)
hs.1 hs.2.1 hs.2.2
intro side w hw
exact grouped_collision_le allocation m ε E a i e side w (hbound side w hw)
end MatrixMultiplication.AllFieldHistoryGroupedRecovery
end
end OAI