Finite supersaturation implies an actual sampled graph
Lax342547.RawToGraph · concepts/Lax342547/RawToGraph.lean · lax-342547
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Lemma
The exact admissible raw-unit supersaturation property, together with the explicit entropy, counting and sampling margins, produces a graph on sampled positions with independence number at most two and 100 times its actual connected matching number less than its order.
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| 1 | import Lax342547.UnitContainers |
| 2 | import Lax342547.GoodSamples |
| 3 | import Lax342547.MatchingCoverage |
| 4 | |
| 5 | /-! |
| 6 | --- |
| 7 | title: Finite supersaturation implies an actual sampled graph |
| 8 | type: lemma |
| 9 | --- |
| 10 | The exact admissible raw-unit supersaturation property, together with the explicit entropy, counting and sampling margins, produces a graph on sampled positions with independence number at most two and 100 times its actual connected matching number less than its order. |
| 11 | -/ |
| 12 | |
| 13 | namespace Lax342547.RawToGraph |
| 14 | |
| 15 | open Lax342547.RelativeEntropy Lax342547.UnitLaws Lax342547.ContainerLaws |
| 16 | open Lax342547.RetainedImages Lax342547.CellAveraging Lax342547.FiniteSampling |
| 17 | open Lax342547.GoodSamples Lax342547.MatchingSamples Lax342547.SampledGraph Lax342547.ConnectedMatching |
| 18 | |
| 19 | noncomputable def exceptionBudget (m k : ℕ) (M κ : ℝ) : ℝ := |
| 20 | (m.choose k : ℝ)*(1/M)^k+(m : ℝ)^(2*k)*(1/κ)^k |
| 21 | |
| 22 | axiom exception_budget_nonneg (m k : ℕ) (M κ : ℝ) (hM : 0 < M) (hκ : 0 < κ) : |
| 23 | 0 ≤ exceptionBudget m k M κ |
| 24 | |
| 25 | axiom supersaturation_to_sample {Ω : Type} [Fintype Ω] [Nonempty Ω] |
| 26 | (μ : Ω → ℝ) (hole : Ω → Ω → Prop) |
| 27 | (hsymm : ∀ ⦃x y⦄, hole x y → hole y x) (hloop : ∀ x, ¬ hole x x) |
| 28 | (htriangle : ∀ x y z, hole x y → hole y z → ¬ hole z x) |
| 29 | (M κ ε : ℝ) (m k L : ℕ) |
| 30 | (hμ : Probability μ) (hμpos : ∀ x, 0 < μ x) |
| 31 | (hM : 0 < M) (hκ : 0 < κ) (hε : 0 < ε) (hε1 : ε < 1) |
| 32 | (hL : Real.log κ/(-Real.log (1-ε))+1 ≤ L) |
| 33 | (hscale : 200*(k-1) < m) |
| 34 | (hbudget : (((Fintype.card Ω^2+1)^L : ℕ) : ℝ)*exceptionBudget m k M κ < 1) |
| 35 | (hsuper : ∀ ρ, Feasible μ (fun x y => ¬ hole x y) M κ ρ → |
| 36 | ε ≤ conflictMass ρ (fourConflict hole)) : |
| 37 | ∃ sample : Fin m → Ω, |
| 38 | (sampleGraph hole hsymm sample).indepNum ≤ 2 ∧ |
| 39 | 100*connectedMatchingNumber (sampleGraph hole hsymm sample) < m |
| 40 | |
| 41 | end Lax342547.RawToGraph |
| 42 |
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