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Related papers: The exterior Steklov problem for Euclidean domains

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We consider a variant of the classic Steklov eigenvalue problem, which arises in the study of the best trace constant for functions in Sobolev space. We prove that the elementary symmetric functions of the eigenvalues depend…

Analysis of PDEs · Mathematics 2012-10-15 Pier Domenico Lamberti

This work is an extension of a result given by Kuttler and Sigillito (SIAM Rev $10$:$368-370$, $1968$) on a star-shaped bounded domain in $\mathbb{R}^2$. Let $\Omega$ be a star-shaped bounded domain in a hypersurface of revolution, having…

Differential Geometry · Mathematics 2019-07-31 Sheela Verma , G. Santhanam

We associate a sequence of variational eigenvalues to any Radon measure on a compact Riemannian manifold. For particular choices of measures, we recover the Laplace, Steklov and other classical eigenvalue problems. In the first part of the…

Spectral Theory · Mathematics 2020-12-08 Alexandre Girouard , Mikhail Karpukhin , Jean Lagacé

In this article, we study Steklov eigenvalues and mixed Steklov Neumann eigenvalues on a smooth bounded domain in $\mathbb{R}^{n}$, $n \geq 2$, having a spherical hole. We focus on two main results related to Steklov eigenvalues. First, we…

Spectral Theory · Mathematics 2024-12-24 Sagar Basak , Sheela Verma

In the first part, we derive monotonicity of the normalized spectra for the second-order Steklov problem and two fourth-order Steklov problems on the $2$-dimensional geodesic disks with respect to the geodesic radius in the sphere and the…

Differential Geometry · Mathematics 2025-12-30 Zongyi Lv , Changwei Xiong , Yuxun Zou

In this paper, we prove some isoperimetric bounds for lower order eigenvalues of the Wentzell-Laplace operator on bounded domains of a Euclidean space or a Hadamard manifold, of the Laplacian on closed hypersurfaces of a Euclidean space or…

Differential Geometry · Mathematics 2021-08-17 Feng Du , Jing Mao , Qiao-Ling Wang , Chang-Yu Xia

Let N be a complete Riemannian manifold of dimension n+1 whose Riemannian metric g is conformally equivalent to a metric with non-negative Ricci curvature. The normalized Steklov eigenvalues of a bounded domain in N are bounded above in…

Spectral Theory · Mathematics 2012-02-24 Bruno Colbois , Ahmad El Soufi , Alexandre Girouard

Using methods in the spirit of deterministic homogenisation theory we obtain convergence of the Steklov eigenvalues of a sequence of domains in a Riemannian manifold to weighted Laplace eigenvalues of that manifold. The domains are obtained…

Spectral Theory · Mathematics 2021-07-09 Alexandre Girouard , Jean Lagacé

This work deals with theoretical and numerical aspects related to the behavior of the Steklov-Lam\'e eigenvalues on variable domains. After establishing the eigenstructure for the disk, we prove that for a certain class of Lam\'e…

Optimization and Control · Mathematics 2022-05-24 Beniamin Bogosel , Pedro R. S. Antunes

The Steklov problem is an eigenvalue problem with the spectral parameter in the boundary conditions, which has various applications. Its spectrum coincides with that of the Dirichlet-to-Neumann operator. Over the past years, there has been…

Spectral Theory · Mathematics 2014-11-25 Alexandre Girouard , Iosif Polterovich

In this paper, we address the problem of maximizing the Steklov eigenvalues with a diameter constraint. We provide an estimate of the Steklov eigenvalues for a convex domain in terms of its diameter and volume and we show the existence of…

Spectral Theory · Mathematics 2020-04-30 Abdelkader Al Sayed , Beniamin Bogosel , Antoine Henrot , Florent Nacry

We investigate the question of sharp upper bounds for the Steklov eigenvalues of a hypersurface of revolution of the Euclidean space with two boundary components isometric to two copies of $\mathbb{S}^{n-1}$. For the case of the first non…

Differential Geometry · Mathematics 2024-10-15 Léonard Tschanz

We study the Steklov problem on hypersurfaces of revolution with two boundary components in Euclidean space. In a recent article, the phenomenon of critical length, at which a Steklov eigenvalue is maximized, was exhibited and multiple…

Spectral Theory · Mathematics 2024-10-15 Antoine Métras , Léonard Tschanz

We consider how the geometry and topology of a compact $n$-dimensional Riemannian orbifold with boundary relates to its Steklov spectrum. In two dimensions, motivated by work of A. Girouard, L. Parnovski, I. Polterovich and D. Sher in the…

We give lower bounds for the first non-zero Steklov eigenvalue on connected graphs. These bounds depend on the extrinsic diameter of the boundary and not on the diameter of the graph. We obtain a lower bound which is sharp when the cardinal…

Spectral Theory · Mathematics 2018-03-26 Hélène Perrin

We consider the first positive Steklov eigenvalue on planar domains. First, we provide an example of a planar domain for which a first eigenfunction has a closed nodal line. Second, we establish a lower bound for the first positive…

Analysis of PDEs · Mathematics 2026-03-23 Azahara DelaTorre , Gabriele Mancini , Angela Pistoia , Luigi Provenzano

The paper is concerned with the Steklov eigenvalue problem on cuboids of arbitrary dimension. We prove a two-term asymptotic formula for the counting function of Steklov eigenvalues on cuboids in dimension d greater or equal to 3. Apart…

Spectral Theory · Mathematics 2019-02-20 Alexandre Girouard , Jean Lagacé , Iosif Polterovich , Alessandro Savo

For the biharmonic Steklov eigenvalue problem considered in this paper, we show that among all bounded Euclidean domains of class $C^{1}$ with fixed measure, the ball maximizes the first positive eigenvalue.

Differential Geometry · Mathematics 2021-05-27 Shan Li , Jing Mao

In this article, we study the mixed Steklov--Neumann eigenvalue problem on doubly connected domains. First, we show that among all doubly connected domains in $\mathbb{R}^n$ of the form $B_{R_2}\setminus \overline{B_{R_1}}$, where $B_{R_1}$…

Analysis of PDEs · Mathematics 2026-03-27 Sagar Basak , Gloria Paoli , Rossano Sannipoli , Sheela Verma

This paper studies the optimization of the lowest eigenvalue of the magnetic Steklov problem on planar domains. In the bounded domain setting and for magnetic fields of moderate strengths, we prove that among all simply-connected smooth…

Analysis of PDEs · Mathematics 2026-02-20 Ayman Kachmar , Vladimir Lotoreichik