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arXiv 2106.04039math.AP
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Infinite-Dimensional线性代数与偏微分方程的可解性

Infinite-Dimensional Linear Algebra and Solvability of Partial Differential Equations

Todor D. Todorov

摘要:

我们讨论线性代数的无限维向量空间的代数(哈梅尔)基地。作为应用,我们证明了一类具有光滑($\mathcal C^\infty$ -系数)系数的线性偏微分算子的满射性,在文章中称为\emph{regular},作用于测试函数$\mathcal D(Ω)$空间的代数对偶$\mathcal D^*(Ω)$.偏微分算子的满射性保证了相应的偏微分方程在$\mathcal D^*(Ω)$中的可解性。我们讨论了我们的结果与Schwartz分布$\mathcal D^\prime(Ω)$空间上的正则算子的限制的类似结果的对比和比较,其中这些算子通常是非满射的。

英文摘要:

We discuss linear algebra of infinite-dimensional vector spaces in terms of algebraic (Hamel) bases. As an application we prove the surjectivity of a large class of linear partial differential operators with smooth ($\mathcal C^\infty$-coefficients) coefficients, called in the article \emph{regular}, acting on the algebraic dual $\mathcal D^*(Ω)$ of the space of test-functions $\mathcal D(Ω)$. The surjectivity of the partial differential operators guarantees solvability of the corresponding partial differential equations within $\mathcal D^*(Ω)$. We discuss our result in contrast to and comparison with similar results about the restrictions of the regular operators on the space of Schwartz distribution $\mathcal D^\prime(Ω)$, where these operators are often non-surjective.

机构、总结、中文摘要均由AI分析而来,可能存在错误,请以论文正文为准。

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