里斯位势的Schatten范数的等周不等式
Isoperimetric inequalities for Schatten norms of Riesz potentials
摘要：
本文证明了球是$\mathbb R^{d}$中里斯位势算子在给定测度的所有域上的某些Schatten $p$ -范数的极大化子.特别地，该结果对于多重调和牛顿势算子是有效的，它涉及到多重拉普拉斯算子的一个非局部边值问题，该问题是M. Kac，因此我们得到了它的特征值的和等周不等式，即类似于Rayleigh-Faber-Krahn和Hong-Krahn-Szegö不等式.
英文摘要：
In this note we prove that the ball is a maximiser of some Schatten $p$-norms of the Riesz potential operators among all domains of a given measure in $\mathbb R^{d}$. In particular, the result is valid for the polyharmonic Newton potential operator, which is related to a nonlocal boundary value problem for the poly-Laplacian extending the one considered by M. Kac in the case of the Laplacian, so we obtain and isoperimetric inequalities for its eigenvalues as well, namely, analogues of Rayleigh-Faber-Krahn and Hong-Krahn-Szegö inequalities.
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