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arXiv 2501.05697math.APmath.CVmath.DG
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扭曲微分形式的狄利克雷格林核估计与索伯列夫型不等式

Dirichlet Green kernel estimates and Sobolev-type inequalities for twisted differential forms

University of Chinese Academy of Sciences(中国科学院大学);Nankai University(南开大学)

Fusheng Deng, Gang Huang, Xiangsen Qin

AI总结:

该研究针对凯勒流形上的微分形式,证明了一致格林核估计,导出带边界项的索伯列夫型不等式,还得到无需伪凸性的\bar\nabla可解性及适用于扭曲德拉姆复形的类似结果。

摘要:

我们研究凯勒流形上相对紧光滑区域上,埃尔米特全纯向量丛取值的微分形式上多贝尔拉普拉斯算子的全迹狄利克雷实现。我们证明了直至边界都一致的全局格林核估计,包括含1个和2个边界因子的界,以及\bar\nabla和\bar\nabla^*导数的估计。这些估计导出了带边界项的索伯列夫型不等式:在实二维情形,一阶界有对数损失;在最高反全纯次数下,无需伪凸性即可得到\bar\nabla的定量L^r到L^k可解性。类似结果适用于带光滑边界的紧黎曼流形上平坦度量联络的扭曲德拉姆复形。

英文摘要:

We study the full-trace Dirichlet realization of the Dolbeault Laplacian on differential forms with values in a Hermitian holomorphic vector bundle over a relatively compact smooth domain in a Kähler manifold. We prove global Green kernel estimates that are uniform up to the boundary, including one- and two-boundary-factor bounds and estimates for the \(\bar\partial\)- and \(\bar\partial^*\)-derivatives. These estimates yield Sobolev-type inequalities with boundary terms. In real dimension two, the first-order bound has a logarithmic loss. In top antiholomorphic degree, we obtain quantitative \(L^r\)-to-\(L^k\) solvability for \(\bar\partial\) without pseudoconvexity. Analogous results hold for the twisted de Rham complex of a flat metric connection on a compact Riemannian manifold with smooth boundary.

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