OAI/MathematicalPhysics/DefocusingNLS/Linear/LocalizationWeightComparison.lean
3 declarations, 0 contain sorry, 0 declared as axioms
Exact expanding-weight comparisons for localization
The high-order localized norm produces a harmless additional zero-frequency term. It is absorbed by the regularized low-order part of the exact Y_L weight.
- theorem
OAI.DefocusingNLS.localization_high_bessel_leline 13 - theorem
OAI.DefocusingNLS.localization_low_weight_leline 28 - theorem
OAI.DefocusingNLS.localization_high_weight_leline 34Source documentation
The extra high-order Bessel term is uniformly absorbed by the exact Y_L weight.
theorem localization_high_weight_le (a k L : ℝ) (ha : 0 < a) (ha1 : a < 1) (hk : 8 < k) (hL : 1 ≤ L) (n : frequencyLattice) : L ^ (12 - 2 * k) * (1 + ‖n‖ ^ 2) ^ k ≤ 2 ^ k * expandingSobolevWeightSq a k L n := by …Mentions: OAI.DefocusingNLS.frequencyLattice, OAI.DefocusingNLS.expandingSobolevWeightSq