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We study the eigenvalue problem for the $p$-Laplacian on K\"ahler manifolds. Our first result is a lower bound for the first nonzero eigenvalue of the $p$-Laplacian on compact K\"ahler manifolds in terms of dimension, diameter, and lower…

Differential Geometry · Mathematics 2022-09-23 Kui Wang , Shaoheng Zhang

We consider the Steklov eigenvalues of the Laplace operator as limiting Neumann eigenvalues in a problem of boundary mass concentration. We discuss the asymptotic behavior of the Neumann eigenvalues in a ball and we deduce that the Steklov…

Spectral Theory · Mathematics 2014-10-03 Pier Domenico Lamberti , Luigi Provenzano

We prove that the Dirichlet eigenvalues of the Laplace-Beltrami operator on a compact Riemannian manifold with cylindrical boundary can be approximated by the spectrum of truncated graph Laplacians constructed from…

Differential Geometry · Mathematics 2026-03-16 Anusha Bhattacharya

We compute the whole spectrum of the Dirichlet-to-Neumann operator acting on differential p-forms on the unit Euclidean ball. Then, we prove a new upper bound for its first eigenvalue on a domain $\Omega$ in Euclidean space in terms of the…

Differential Geometry · Mathematics 2012-02-17 Simon Raulot , Alessandro Savo

Model two-dimensional singular perturbed eigenvalue problem for Laplacian with frequently alternating type of boundary condition is considered. Complete two-parametrical asymptotics for the eigenelements are constructed.

Mathematical Physics · Physics 2007-05-23 Denis I. Borisov

By introducing a weight function to the Laplace operator, Bakry and \'Emery defined the "drift Laplacian" to study diffusion processes. Our first main result is that, given a Bakry-\'Emery manifold, there is a naturally associated family of…

Spectral Theory · Mathematics 2012-12-27 Zhiqin Lu , Julie Rowlett

We consider the eigenvalue problem for the Laplacian with mixed Dirichlet and Neumann boundary conditions. For a certain class of bounded, simply connected planar domains we prove monotonicity properties of the first eigenfunction. As a…

Spectral Theory · Mathematics 2025-02-06 Nausica Aldeghi , Jonathan Rohleder

In this work we consider the homogeneous Neumann eigenvalue problem for the Laplacian on a bounded Lipschitz domain and a singular perturbation of it, which consists in prescribing zero Dirichlet boundary conditions on a small subset of the…

Analysis of PDEs · Mathematics 2020-10-13 Veronica Felli , Benedetta Noris , Roberto Ognibene

A method to compute guaranteed lower bounds to the eigenvalues of the Maxwell system in two or three space dimensions is proposed as a generalization of the method of Liu and Oishi [SIAM J. Numer. Anal., 51, 2013] for the Laplace operator.…

Numerical Analysis · Mathematics 2022-11-18 Dietmar Gallistl , Vladislav Olkhovskiy

This paper studies eigenvalues of the buckling problem of arbitrary order on bounded domains in Euclidean spaces and spheres. We prove universal bounds for the k-th eigenvalue in terms of the lower ones independent of the domains. Our…

Differential Geometry · Mathematics 2010-10-13 Qing-Ming Cheng , Xuerong Qi , Qiaoling Wang , Changyu Xia

The accurate computation of eigenfunctions corresponding to tightly clustered Laplacian eigenvalues remains an extremely difficult problem. In this paper, using the shape difference quotient of eigenvalues, we propose a stable computation…

Spectral Theory · Mathematics 2025-06-10 Ryoki Endo , Xuefeng Liu

In this work we analyze the eigenvalue problem associated to the fractional $m-$Laplacian, defined as $$ (-\Delta_m)^s u(x):=2\text{p.v.}\int_{{\mathbb R}^n}…

Analysis of PDEs · Mathematics 2024-02-01 Julian Fernandez Bonder , Juan F. Spedaletti

We initiate the study of a bulk-boundary eigenvalue problem for the Bilaplacian with a particular third order boundary condition that arises from the study of dynamical boundary conditions for the Cahn-Hilliard equation. First we consider…

Analysis of PDEs · Mathematics 2022-06-10 Davide Buoso , Carles Falcó , María del Mar González , Manuel Miranda

The eigenvalue problem of the Laplace-Beltrami operators on curved surfaces plays an essential role in the convergence analysis of the numerical simulations of some important geometric partial differential equations which involve this…

Numerical Analysis · Computer Science 2013-10-18 Sheng-Gwo Chen , Mei-Hsiu Chi , Jyh-Yang Wu

It is proved that the minimal Dirichlet eigenvalue of the Laplacian in an annulus is a monotonically decreasing function of the displacement of the center of the smaller disc. The maximal value of the minimal eigenvalue is attained when the…

Mathematical Physics · Physics 2007-05-23 A. G. Ramm , P. N. Shivakumar

We establish inequalities for the eigenvalues of Schr\"odinger operators on compact submanifolds (possibly with nonempty boundary) of Euclidean spaces, of spheres, and of real, complex and quaternionic projective spaces, which are related…

Metric Geometry · Mathematics 2009-09-01 Ahmad El Soufi , Evans Harrell , Said Ilias

The goal of this paper is to derive estimates of eigenvalue moments for Dirichlet Laplacians and Schr\"odinger operators in regions having infinite cusps which are geometrically nontrivial being either curved or twisted; we are going to…

Mathematical Physics · Physics 2019-12-10 Pavel Exner , Diana Barseghyan

We consider the Laplace operator with Dirichlet boundary conditions on a planar domain and study the effect that performing a scaling in one direction has on the spectrum. We derive the asymptotic expansion for the eigenvalues and…

Spectral Theory · Mathematics 2007-12-20 Denis Borisov , Pedro Freitas

Let $m$ be a bounded function and $\alpha$ a nonnegative parameter. This article is concerned with the first eigenvalue $\lambda\_\alpha(m)$ of the drifted Laplacian type operator $\mathcal L\_m$ given by $\mathcal L\_m(u)=…

Analysis of PDEs · Mathematics 2021-12-01 Idriss Mazari , Grégoire Nadin , Yannick Privat

We consider the 3-dimensional Stark operator perturbed by a complex-valued potential. We obtain an estimate for the number of eigenvalues of this operator as well as for the sum of imaginary parts of eigenvalues situated in the upper…

Spectral Theory · Mathematics 2018-04-17 Evgeny Korotyaev , Oleg Safronov
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