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Related papers: Two-term spectral asymptotics in linear elasticity

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We establish two-term spectral asymptotics for the operator of linear elasticity with mixed boundary conditions on a smooth compact Riemannian manifold of arbitrary dimension. We illustrate our results by explicit examples in dimension two…

Spectral Theory · Mathematics 2026-03-18 Matteo Capoferri , Isabel Mann

In this note, we shall show that the two-term spectral asymptotics for the operator of linear elasticity with mixed boundary conditions which were given by Capoferri and Mann in \cite{CaMa-24} essentially are old well-known results due to…

Analysis of PDEs · Mathematics 2024-02-13 Genqian Liu

In this note, by explaining two key methods that were employed in \cite{Liu-21} and by giving some remarks, we show that the proof of Theorem 1.1 in \cite{Liu-21} is a rigorous proof based on theory of strongly continuous semigroups and…

Spectral Theory · Mathematics 2024-01-02 Genqian Liu

We derive a two-terms asymptotics for eigenvalues of the Dirichlet Laplacian in a narrow strip of variable width. The asymptotics is taken with respect to a small paprameter that characterizes the width of the strip.

Spectral Theory · Mathematics 2007-05-29 Leonid Friedlander , Michael Solomyak

We prove two-term spectral asymptotics for the Riesz means of the eigenvalues of the Laplacian on a Lipschitz domain with Robin boundary conditions. The second term is the same as in the case of Neumann boundary conditions. This is valid…

Spectral Theory · Mathematics 2025-06-03 Rupert L. Frank , Simon Larson

The purpose of this paper is to explore the asymptotics of the eigenvalue spectrum of the Laplacian on 2 dimensional spaces of constant curvature, giving strong experimental evidence for a conjecture of the second author…

Analysis of PDEs · Mathematics 2018-09-25 Timothy Murray , Robert S. Strichartz

We introduce and study {\it new} relative spectral invariants of {\it two} elliptic partial differential operators of Laplace and Dirac type on compact smooth manifolds without boundary that depend on both the eigenvalues and the…

Mathematical Physics · Physics 2020-12-09 Ivan G. Avramidi

We study the asymptotic behaviour of the eigenvalues of the Laplace-Beltrami operator on a compact hypersurface in \mathds{R}^{n+1} as it is flattened into a singular double-sided flat hypersurface. We show that the limit spectral problem…

Analysis of PDEs · Mathematics 2016-01-20 Denis Borisov , Pedro Freitas

We prove a two-term Weyl-type asymptotic formula for sums of eigenvalues of the Dirichlet Laplacian in a bounded open set with Lipschitz boundary. Moreover, in the case of a convex domain we obtain a universal bound which correctly…

Spectral Theory · Mathematics 2019-08-28 Rupert L. Frank , Simon Larson

We derive a two-term asymptotic expansion for the exchange energy of the free electron gas on strictly tessellating polytopes and fundamental domains of lattices in the thermodynamic limit. This expansion comprises a bulk (volume-dependent)…

Mathematical Physics · Physics 2025-03-24 Thiago Carvalho Corso

In this paper, we derive sharp asymptotics for the spectral data (eigenvalues and weight numbers) of the fourth-order linear differential equation with a distribution coefficient and three types of separated boundary conditions. Our methods…

Spectral Theory · Mathematics 2023-10-24 Natalia P. Bondarenko

We obtain the asymptotic expansions of the traces of the thermoelastic operators with the Dirichlet and Neumann boundary conditions on a Riemannian manifold, and give an effective method to calculate all the coefficients of the asymptotic…

Spectral Theory · Mathematics 2022-05-27 Genqian Liu , Xiaoming Tan

We discuss semiclassical asymptotics for the eigenvalues of the Witten Laplacian for compact manifolds with boundary in the presence of a general Riemannian metric. To this end, we modify and use the variational method suggested by…

Spectral Theory · Mathematics 2008-03-18 Nilufer Koldan , Igor Prokhorenkov , Mikhail Shubin

We study the asymptotic behavior of the solutions of a spectral problem for the Laplacian in a domain with rapidly oscillating boundary. We consider the case where the eigenvalue of the limit problem is multiple. We construct the leading…

Analysis of PDEs · Mathematics 2009-11-11 Youcef Amirat , Gregory A. Chechkin , Rustem R. Gadyl'shin

We prove the existence of spectral gaps of Ornstein-Uhlenbeck operators on loop spaces over a class of Riemannian manifolds which include hyperbolic spaces. This is an alternative proof and an extension of a result in Chen-Li-Wu in J.…

Probability · Mathematics 2015-10-01 Shigeki Aida

In this work a discontinuous boundary-value problem with retarded argument which contains spectral parameter in the transmission conditions at the point of discontinuity are investigated. We obtained asymptotic formulas for the eigenvalues…

Classical Analysis and ODEs · Mathematics 2015-06-12 Erdoğan Şen , Azad Bayramov

Let -\Delta denote the Dirichlet Laplace operator on a bounded open set in \mathbb{R}^d. We study the sum of the negative eigenvalues of the operator -h^2 \Delta - 1 in the semiclassical limit h \to 0+. We give a new proof that yields not…

Spectral Theory · Mathematics 2017-08-23 Rupert L. Frank , Leander Geisinger

In this paper we study a semilinear elliptic problem on a bounded domain in $\R^2$ with large exponent in the nonlinear term. We consider positive solutions obtained by minimizing suitable functionals. We prove some asymtotic estimates…

Analysis of PDEs · Mathematics 2007-05-23 Khalil El Mehdi , Massimo Grossi

As a first step toward a fully two-dimensional asymptotic theory for the bifurcation of solitons from infinitesimal continuous waves, an analytical theory is presented for line solitons, whose envelope varies only along one direction, in…

Pattern Formation and Solitons · Physics 2013-05-03 Sean Nixon , T. R. Akylas , Jianke Yang

Our topological setting is a smooth compact manifold of dimension two or higher with smooth boundary. Although this underlying topological structure is smooth, the Riemannian metric tensor is only assumed to be bounded and measurable. This…

Differential Geometry · Mathematics 2025-03-26 Lashi Bandara , Medet Nursultanov , Julie Rowlett
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