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For a compact, connected, orientable Riemannian manifold with $b$ boundary components, we obtain geometric lower bounds for the low Steklov eigenvalues, namely $\sigma_k$, $1\le k\le b-1$. Our results complement earlier results, which apply…

Differential Geometry · Mathematics 2026-05-29 Tirumala Chakradhar , Bruno Colbois , Asma Hassannezhad

We establish a new lower bound for the first non-zero Steklov eigenvalue of a compact Riemannian manifold with non-negative Ricci curvature and (strictly) convex boundary. Related results are also obtained under weaker geometric hypotheses.

Differential Geometry · Mathematics 2024-06-27 Jonah A. J. Duncan , Aditya Kumar

We obtain geometric lower bounds for the low Steklov eigenvalues of finite-volume hyperbolic surfaces with geodesic boundary. The bounds we obtain depend on the length of a shortest multi-geodesic disconnecting the surfaces into connected…

Differential Geometry · Mathematics 2025-03-25 Asma Hassannezhad , Antoine Métras , Hélène Perrin

We prove two upper bounds for the Steklov eigenvalues of a compact Riemannian manifold with boundary. The first involves the volume of the manifold and of its boundary, as well as packing and volume growth constants of the boundary and its…

Spectral Theory · Mathematics 2023-08-22 Bruno Colbois , Alexandre Girouard

We consider the relationship of the geometry of compact Riemannian manifolds with boundary to the first nonzero eigenvalue sigma_1 of the Dirichlet-to-Neumann map (Steklov eigenvalue). For surfaces Sigma with genus gamma and k boundary…

Differential Geometry · Mathematics 2010-12-06 Ailana Fraser , Richard Schoen

We obtain upper and lower bounds for Steklov eigenvalues of submanifolds with prescribed boundary in Euclidean space. A very general upper bound is proved, which depends only on the geometry of the fixed boundary and on the measure of the…

Spectral Theory · Mathematics 2018-01-22 Bruno Colbois , Alexandre Girouard , Katie Gittins

We study the biharmonic Steklov eigenvalue problem on a compact Riemannian manifold $\Omega$ with smooth boundary. We give a computable, sharp lower bound of the first eigenvalue of this problem, which depends only on the dimension, a lower…

Differential Geometry · Mathematics 2012-07-02 Simon Raulot , Alessandro Savo

Consider a compact Riemannian manifold with boundary. In this short note we prove that under certain positive curvature assumptions on the manifold and its boundary the Steklov eigenvalues of the manifold are controlled by the Laplace…

Differential Geometry · Mathematics 2017-05-26 Mikhail A. Karpukhin

We consider the Steklov eigenvalue problem on a compact pinched negatively curved manifold $M$ of dimension at least three with totally geodesic boundaries. We obtain a geometric lower bound for the first nonzero Steklov eigenvalue in terms…

Differential Geometry · Mathematics 2024-12-05 Ara Basmajian , Jade Brisson , Asma Hassannezhad , Antoine Métras

Let $(\Omega,g)$ be a compact, analytic Riemannian manifold with analytic boundary $\partial \Omega = M.$ We give $L^2$-lower bounds for Steklov eigenfunctions and their restrictions to interior hypersurfaces $H \subset \Omega^{\circ}$ in a…

Analysis of PDEs · Mathematics 2021-12-22 Jeffrey Galkowski , John A. Toth

The Steklov eigenvalue problem, first introduced over 125 years ago, has seen a surge of interest in the past few decades. This article is a tour of some of the recent developments linking the Steklov eigenvalues and eigenfunctions of…

Spectral Theory · Mathematics 2023-09-06 Bruno Colbois , Alexandre Girouard , Carolyn Gordon , David Sher

We obtain upper bounds for the Steklov eigenvalues $\sigma_k(M)$ of a smooth, compact, connected, $n$-dimensional submanifold $M$ of Euclidean space with boundary $\Sigma$ that involve the intersection indices of $M$ and of $\Sigma$. One of…

Spectral Theory · Mathematics 2020-12-15 Bruno Colbois , Katie Gittins

Let $(\Omega^{n+1}, g)$ be an $(n+1)$-dimensional smooth compact connected Riemannian manifold with smooth boundary $\Sigma$, satisfying that ${\text{Ric}_{\Omega}}\ge 0$ and $\Sigma$ is strictly convex, more precisely, its second…

Differential Geometry · Mathematics 2026-01-13 Yiwei Liu , Yi-Hu Yang

We give some sharp lower bounds of the first eigenvalue for the Hodge Laplacian acting on differential forms on the boundary of a Riemannian manifold. We also give some sharp estimates for the first nonzero Steklov eigenvalue for…

Differential Geometry · Mathematics 2016-04-19 Kwok-Kun Kwong

In the present paper, we study sharp isoperimetric inequalities for the first Steklov eigenvalue $\sigma_1$ on surfaces with fixed genus and large number $k$ of boundary components. We show that as $k\to \infty$ the free boundary minimal…

Differential Geometry · Mathematics 2021-09-24 Mikhail Karpukhin , Daniel Stern

Let M be a compact Riemannian manifold with boundary. Let b>0 be the number of connected components of its boundary. For manifolds of dimension at least 3, we prove that it is possible to obtain an arbitrarily large (b+1)-th Steklov…

Spectral Theory · Mathematics 2018-10-16 Bruno Colbois , Ahmad El Soufi , Alexandre Girouard

This paper studies eigenvalues of some Steklov problems. Among other things, we show the following sharp estimtes. Let $\Omega$ be a bounded smooth domain in an $n(\geq 2)$-dimensional Hadamard manifold an let $0=\lambda_0 < \lambda_1\leq…

Spectral Theory · Mathematics 2010-06-08 Changyu Xia , Qiaoling Wang

Let $M$ be an $m$-dimensional compact Riemannian manifold with boundary. We obtain the upper bound of the harmonic mean of the first $m$ nonzero Neumann eigenvalues and Steklov eigenvalues involving the conformal volume and relative…

Differential Geometry · Mathematics 2026-01-23 Hang Chen

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

In this paper we prove that given a volume, among all domains with smooth boundary in rank-1 symmetric spaces of noncompact type, geodesic balls maximizes the first nonzero Steklov eigenvalue. We also prove a comparison result for the first…

Differential Geometry · Mathematics 2012-08-09 Binoy , G. Santhanam
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