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arXiv 2107.05010math.AP
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与椭圆复形相关的非线性算子方程的一个开映射定理

An open mapping theorem for nonlinear operator equations associated with elliptic complexes

Alexander Polkovnikov

摘要:

设$ \{A^i,E^i\} $是$ n $维光滑闭黎曼流形$X$上的椭圆复形,其一阶微分算子为$ A^i $,光滑向量丛为$ E^i $.在特殊的Bochner-Sobolev泛函空间中,考虑由复$ \{A^i,E^i\}$的Laplacian $Δ^{i} $生成的抛物型微分算子$\partial_t + Δ^{i} $所对应的非线性算子方程.证明了在关于非线性项的合理假设下,导出的非线性映射的Frechét导数$ \mathcal{A}_i' $是连续可逆的,且映射$ \mathcal{A}_i $在所选空间中是开的和内射的.

英文摘要:

Let $ \{A^i,E^i\} $ be the elliptic complex on a $ n $-dimensional smooth closed Riemannian manifold $X$ with the first order differential operators $ A^i $ and smooth vector bundles $ E^i $ over $X$. We consider nonlinear operator equations, associated with the parabolic differential operators $\partial_t + Δ^{i} $, generated by the Laplacians $Δ^{i} $ of the complex $ \{A^i,E^i\}$, in special Bochner-Sobolev functional spaces. We prove that under reasonable assumptions regarding the nonlinear term the Frechét derivative $ \mathcal{A}_i' $ of the induced nonlinear mapping is continuously invertible and the map $ \mathcal{A}_i $ is open and injective in chosen spaces.

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