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Definition 8.1 (Weighted Hölder space) . [03JN]

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Definition 8.1 (Weighted Hölder space).

The weighted Hölder space is defined by,

(8.2) ‖ω‖Cδ,ν,μk,α​(ℳ)≡∑j=0k‖ρδ,ν,μ(j)⋅∇jω‖C0​(ℳ)+[ω]Cδ,ν,μk,α​(ℳ),\|\omega\|_{C_{\delta,\nu,\mu}^{k,\alpha}(\mathcal{M})}\equiv\sum\limits_{j=0}^{k}\Big\|\rho_{\delta,\nu,\mu}^{(j)}\cdot\nabla^{j}\omega\Big\|_{C^{0}(\mathcal{M})}+[\omega]_{C_{\delta,\nu,\mu}^{k,\alpha}(\mathcal{M})},

where

(8.3) [ω]Cδ,ν,μk,α​(ℳ)≡supdg​(x,y)≤r0x,y∈ℳ{min⁡{ρδ,ν,μ(k+α)​(x),ρδ,ν,μ(k+α)​(y)}⋅|∇kω​(x)−∇kω​(y)|(dg​(x,y))α},[\omega]_{C_{\delta,\nu,\mu}^{k,\alpha}(\mathcal{M})}\equiv\sup_{\begin{subarray}{c}d_{g}(x,y)\leq r_{0}\\ x,y\in\mathcal{M}\end{subarray}}\Big\{\min\{\rho_{\delta,\nu,\mu}^{(k+\alpha)}(x),\rho_{\delta,\nu,\mu}^{(k+\alpha)}(y)\}\cdot\frac{|\nabla^{k}\omega(x)-\nabla^{k}\omega(y)|}{(d_{g}(x,y))^{\alpha}}\Big\},

ω∈Tr,s​(ℳ)\omega\in T^{r,s}(\mathcal{M}) is a tensor field of type (r,s)(r,s) and r0≡12​InjRadg⁡(ℳ)r_{0}\equiv\frac{1}{2}\InjRad_{g}(\mathcal{M}). In the above definition, the difference of the two covariant derivatives is defined in terms of the parallel translation.

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