Definition 4.19 (Weight function) . [052W] Original official author HTML, exact retained edition. Historical TeX conversion verdicts remain unchanged. Cited-edition alignment and mathematical self-containment are not assessed.
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Definition 4.19 (Weight function).
Given fixed real parameters n ≥ 2 n\geq 2 , T > 10 3 T>10^{3} , δ > 0 \delta>0 , ν , μ ∈ ℝ \nu,\mu\in\mathbb{R} and
α ∈ ( 0 , 1 ) \alpha\in(0,1) .
For each k ∈ ℕ k\in\mathbb{N} ,
the weight function ρ δ , ν , μ ( k + α ) \rho_{\delta,\nu,\mu}^{(k+\alpha)}
is defined as follows,
(4.273)
ρ δ , ν , μ ( k + α ) ( 𝒙 ) = e δ ⋅ U T ( 𝒙 ) ⋅ 𝔰 ( 𝒙 ) ν + k + α ⋅ T μ , \displaystyle\rho_{\delta,\nu,\mu}^{(k+\alpha)}(\bm{x})=e^{\delta\cdot U_{T}(\bm{x})}\cdot\mathfrak{s}(\bm{x})^{\nu+k+\alpha}\cdot T^{\mu},
where 𝔰 ( 𝐱 ) \mathfrak{s}(\bm{x}) is the regularity scale at 𝐱 \bm{x} given by Proposition 4.18 and
(4.274)
U T ( 𝒙 ) \displaystyle U_{T}(\bm{x})
≡ T ( 1 − ( L T ( 𝒙 ) T ) n 2 ) , \displaystyle\equiv T\Big(1-(\frac{L_{T}(\bm{x})}{T})^{\frac{n}{2}}\Big),
(4.275)
L T ( 𝒙 ) \displaystyle L_{T}(\bm{x})
≡ L T ( z ( 𝒙 ) ) = T + L 0 ( z ( 𝒙 ) ) , \displaystyle\equiv L_{T}(z(\bm{x}))=T+L_{0}(z(\bm{x})),
where the functions L T L_{T} and L 0 L_{0} are defined in (4.12 ).