The numerical no-cover phase margin
Lax342547.PhaseScales · concepts/Lax342547/PhaseScales.lean · lax-342547
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Lemma
Explicit density, rank-count and channel constants are absorbed at a proved ambient threshold, yielding the paper phase tolerance below one over two hundred.
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| 1 | import Lax342547.MomentBudgets |
| 2 | |
| 3 | /-! |
| 4 | --- |
| 5 | title: The numerical no-cover phase margin |
| 6 | type: lemma |
| 7 | --- |
| 8 | Explicit density, rank-count and channel constants are absorbed at a proved ambient threshold, yielding the paper phase tolerance below one over two hundred. |
| 9 | -/ |
| 10 | |
| 11 | namespace Lax342547.PhaseScales |
| 12 | |
| 13 | |
| 14 | |
| 15 | axiom phase_density_budget (r h m N Γ E : ℕ) (L : ℝ) (hL : 0 ≤ L) |
| 16 | (hcap : L ≤ (2 : ℝ)^(m+N)) (hΓ : 2*r+10 ≤ Γ) |
| 17 | (hN : m+r*E+E*(h*h+2) ≤ N) : |
| 18 | L*((r+1 : ℝ)^E*(2 : ℝ)^(2*N*r)*(2 : ℝ)^(E*(h*h+2))/(2 : ℝ)^(Γ*N)) ≤ |
| 19 | 1/(2 : ℝ)^(8*N) |
| 20 | |
| 21 | axiom phase_numerical_margin (a N : ℕ) (ha : 14 ≤ a) (hN : 1 ≤ N) : |
| 22 | 1/(2 : ℝ)^a+1/(2 : ℝ)^(8*N) < 1/200 |
| 23 | |
| 24 | end Lax342547.PhaseScales |
| 25 |
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