English
Related papers

Related papers: Faber-Krahn type inequality for supertrees

200 papers

The well-known Faber-Krahn theorem states that the ball has the lowest first Dirichlet eigenvalue among all domains of the same volume in $\mathbb{R}^n$. Leydold (Geom. Funct. Anal, 1997) gave the discrete version of Faber-Krahn inequality…

Combinatorics · Mathematics 2026-03-04 Huiqiu Lin , Lianping Liu , Zhe You

The Faber-Krahn theorem states that among all bounded domains with the same volume in ${\mathbb R}^n$ (with the standard Euclidean metric), a ball that has lowest first Dirichlet eigenvalue. Recently it has been shown that a similar result…

Combinatorics · Mathematics 2007-05-23 Tuerker Biyikoglu , Josef Leydold

The Faber-Krahn inequality states that the ball has minimal first Dirichlet eigenvalue among all bounded domains with the fixed volume in $\mathbb{R}^n$. In this paper, we investigate the similar inequality for unicyclic graphs. The results…

Combinatorics · Mathematics 2012-01-04 Guang-Jun Zhang , Jie Zhang , Xiao-Dong Zhang

We consider the first Dirichlet eigenvalue problem for a mixed local/nonlocal elliptic operator and we establish a quantitative Faber-Krahn inequality. More precisely, we show that balls minimize the first eigenvalue among sets of given…

Analysis of PDEs · Mathematics 2022-12-21 Stefano Biagi , Serena Dipierro , Enrico Valdinoci , Eugenio Vecchi

The classical Faber-Krahn inequality asserts that balls (uniquely) minimize the first eigenvalue of the Dirichlet-Laplacian among sets with given volume. In this paper we prove a sharp quantitative enhancement of this result, thus…

Analysis of PDEs · Mathematics 2015-11-03 Lorenzo Brasco , Guido De Philippis , Bozhidar Velichkov

The Faber-Krahn inequality states that among all open domains with a fixed volume in R^n, the ball minimizes the first Dirichlet eigenvalue of the Laplacian. We study an asymptotic discrete analogue of this for the combinatorial Dirichlet…

Spectral Theory · Mathematics 2010-08-25 Yakov Shlapentokh-Rothman

The eigenvalue problem for the p-Laplace operator with Robin boundary condition is considered in this paper. A Faber-Krahn type inequality is proved. More precisely, it is shown that amongst all the domains of fixed volume, the ball has the…

Analysis of PDEs · Mathematics 2010-03-22 Qiuyi Dai , Yuxia Fu

While the classical Faber-Krahn inequality shows that the ball uniquely minimizes the first Dirichlet eigenvalue of the Laplacian in the continuum, this rigidity may fail in the discrete setting. We establish quantitative fluctuation…

Functional Analysis · Mathematics 2025-05-01 Marco Cicalese , Leonard Kreutz , Gian Paolo Leonardi , Gabriele Morselli

The main aim of this article is to prove quantitative spectral inequalities for the Laplacian with Dirichlet boundary conditions. More specifically, we prove sharp quantitative stability for the Faber-Krahn inequality in terms of Newtonian…

Analysis of PDEs · Mathematics 2024-07-15 Ian Fleschler , Xavier Tolsa , Michele Villa

The goal of this paper is to investigate the minimisation of the first eigenvalue of the (vectorial) incompressible Dirichlet-Stokes operator. After providing an existence result, we investigate optimality conditions and we prove the…

Analysis of PDEs · Mathematics 2024-09-04 Antoine Henrot , Idriss Mazari-Fouquer , Yannick Privat

In this paper, we mainly study eigenvalue problems of p-Laplacian on domains with an interior hole. Firstly we prove Faber-Krahn-type inequalities, and Cheng-type eigenvalue comparison theorems on manifolds. Secondly, we prove a comparison…

Differential Geometry · Mathematics 2019-04-04 Kui Wang

Let $\Omega$ be a bounded $C^{2,\alpha}$ domain in $\R^n$ ($n\geq 1$, $0<\alpha<1$), $\Omega^{\ast}$ be the open Euclidean ball centered at 0 having the same Lebesgue measure as $\Omega$, $\tau\geq 0$ and $v\in L^{\infty}(\Omega,\R^n)$ with…

Analysis of PDEs · Mathematics 2007-05-23 Francois Hamel , Nikolai Nadirashvili , Emmanuel Russ

In this paper, we define a new capacity which allows us to control the behaviour of the Dirichlet spectrum of a compact Riemannian manifold with boundary, with "small" subsets (which may intersect the boundary) removed. This result…

Differential Geometry · Mathematics 2007-05-23 Jerome Bertrand , Bruno Colbois

In this paper, we obtain sharp Faber-Krahn inequalities for the first Dirichlet eigenvalue of the combinatorial $p$-Laplacian on connected graphs with a fixed number of vertices or with a fixed number of edges. More precisely, we show that…

Combinatorics · Mathematics 2026-03-31 Wankai He , Chengjie Yu

Let $\Omega \subset \mathbb{R}^d$ with $d\geq 2$ be a bounded domain of class $\mathcal{C}^{1,\beta }$ for some $\beta \in (0,1)$. For $p\in (1, \infty )$ and $s\in (0,1)$, let $\Lambda ^s_{p}(\Omega )$ be the first eigenvalue of the mixed…

Analysis of PDEs · Mathematics 2025-06-03 K Ashok Kumar , Nirjan Biswas

For a bounded open set $\Omega \subset \mathbb{R}^n$ with the same volume as the unit ball, the classical Faber-Krahn inequality says that the first Dirichlet eigenvalue $\lambda_1(\Omega)$ of the Laplacian is at least that of the unit ball…

Analysis of PDEs · Mathematics 2025-09-01 Mark Allen , Dennis Kriventsov , Robin Neumayer

In this paper we study the main properties of the first eigenvalue and its eigenfunctions of a class of highly nonlinear elliptic operators in a bounded Lipschitz domain, assuming a Robin boundary condition. Moreover, we prove a Faber-Krahn…

Analysis of PDEs · Mathematics 2013-11-15 Francesco Della Pietra , Nunzia Gavitone

We prove a local Faber-Krahn inequality for solutions $u$ to the Dirichlet problem for $\Delta + V$ on an arbitrary domain $\Omega$ in $\mathbb{R}^n$. Suppose a solution $u$ assumes a global maximum at some point $x_0 \in \Omega$ and…

Analysis of PDEs · Mathematics 2017-11-22 Janna Lierl , Stefan Steinerberger

The Faber-Krahn inequality in $\mathbb{R}^2$ states that among all open bounded sets of given area the disk minimizes the first Dirichlet Laplacian eigenvalue. There are numerical evidences that for all $N\ge 3$ the first Dirichlet…

Analysis of PDEs · Mathematics 2014-03-27 Carlo Nitsch

We investigate the Steklov eigenvalue problem in an exterior Euclidean domain. First, we present several formulations of this problem and establish the equivalences between them. Next, we examine various properties of the exterior Steklov…

Spectral Theory · Mathematics 2025-12-05 Lukas Bundrock , Alexandre Girouard , Denis S. Grebenkov , Michael Levitin , Iosif Polterovich
‹ Prev 1 2 3 10 Next ›