OAI/Combinatorics/ProgressionColoring/AffineEntropy.lean
4 declarations, 0 contain sorry, 0 declared as axioms
- theorem
OAI.QuantitativeVanDerWaerden.Parameters.affine_count_factor_leline 10Source documentation
The additive terms in the finite affine count fit in a factor of three.
theorem affine_count_factor_le {k D q : ℝ} (hk : 1 ≤ k) (hD : 1 ≤ D) (hq : 1 ≤ q) : k * (D * q ^ 2 + 1) + 1 ≤ 3 * k * D * q ^ 2 := by … - theorem
OAI.QuantitativeVanDerWaerden.Parameters.affine_count_le_simpleline 21Source documentation
A convenient multiplicative form of the actual finite count bound.
theorem affine_count_le_simple {k D q Tglob Taff : ℝ} (hk : 1 ≤ k) (hD : 1 ≤ D) (hq : 1 ≤ q) (hTglob : 0 ≤ Tglob) (hcount : Taff ≤ 25 * Tglob * (k * (D * q ^ 2 + 1) + 1) ^ 8) : Taff ≤ 25 * Tglob * (3 * k * D * q ^ 2) ^ 8 := by … - theorem
OAI.QuantitativeVanDerWaerden.Parameters.log_dimension_le_two_logline 32Source documentation
The rounded dimension contributes at most twice the logarithm of
k.theorem log_dimension_le_two_log {k : ℕ} (hk : 2 ≤ k) : Real.log (dimension k : ℝ) ≤ 2 * Real.log (k : ℝ) := by …Mentions: OAI.QuantitativeVanDerWaerden.Parameters.dimension
- theorem
OAI.QuantitativeVanDerWaerden.Parameters.affine_entropy_boundline 48Source documentation
The finite affine count has entropy of order
k^(9/10) log k, with a constant independent of the number of colors.theorem affine_entropy_bound {k : ℕ} (hk : 32 ≤ k) {Taff Tglob q A : ℝ} (hTaff : 1 ≤ Taff) (hTglob : 1 ≤ Tglob) (hq : 1 ≤ q) (hA : 0 ≤ A) (hcount : Taff ≤ 25 * Tglob * ((k : ℝ) * ((dimension k : ℝ) * q ^ 2 + 1) + 1) ^ 8) (hglobal : Real.log Tglob ≤ A * (k : ℝ) ^ (3 / 10 : ℝ) * Real.log (k : ℝ)) (hprime : Real.log q ≤ 4 * (k : ℝ) ^ (9 / 10 : ℝ) * Real.log (k : ℝ)) : Real.log Taff ≤ (A + 108) * (k : ℝ) ^ (9 / 10 : ℝ) * Real.log (k : ℝ) := by …Mentions: OAI.QuantitativeVanDerWaerden.Parameters.dimension