中文

微分算子的满射性及零解空间的线性拓扑不变量

偏微分方程分析 2019-03-27 v3 泛函分析

摘要

我们给出了常系数线性微分算子 P(D)P(D) 分别在 C(X)C^\infty(X)D(X)\mathscr{D}'(X) 上是满射的一个充分条件,其中 XRdX\subseteq\mathbb{R}^d 为开集。此外,对于某些微分算子,该充分条件也是必要的,从而导出了此类微分算子在 C(X)C^\infty(X)D(X)\mathscr{D}'(X) 上满射性的刻画。另外,对于 C(X)C^\infty(X)D(X)\mathscr{D}'(X) 上的某些满射微分算子 P(D)P(D),我们得出其零解空间 CP(X)={uC(X);P(D)u=0}C_P^\infty(X)=\{u\in C^\infty(X);\, P(D)u=0\}DP(X)={uD(X);P(D)u=0}\mathscr{D}_P'(X)=\{u\in\mathscr{D}'(X);\,P(D)u=0\} 具有 Vogt 和 Wagner 在 [27] 中引入的线性拓扑不变量 (Ω)(\Omega),或其由 Bonet 和 Doma\'nski 在 [1] 中引入的推广形式 (PΩ)(P\Omega)

关键词

引用

@article{arxiv.1408.4356,
  title  = {Surjectivity of differential operators and linear topological invariants for spaces of zero solutions},
  author = {Thomas Kalmes},
  journal= {arXiv preprint arXiv:1408.4356},
  year   = {2019}
}

备注

16 pages. This updated version emphasizes the implications of our results for the spaces of zero solutions to possess certain linear topological invariants. Apart from a revised introduction this version contains an additional section on said invariants and surjectivity of differential operators on vector-valued functions/distributions. In our opinion, this update justifies a change of the title