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We prove the existence and uniqueness of non-trivial stable solutions to Landau-Lifshitz-Maxwell equations with Dirichlet boundary condition for large anisotropies and small domains, where the domains are non-simply connected.

Analysis of PDEs · Mathematics 2007-05-23 Jian Zhai

We study the behaviour of the normal derivative of eigenfunctions of the Helmholtz equation inside billiards with Dirichlet boundary condition. These boundary functions are of particular importance because they uniquely determine the…

Chaotic Dynamics · Physics 2009-11-07 A. Bäcker , S. Fürstberger , R. Schubert , F. Steiner

This paper is concerned with the asymptotic behavior of the solution to the Euler equations with time-depending damping on quadrant $(x,t)\in \mathbb{R}^+\times\mathbb{R}^+$, \begin{equation}\notag \partial_t v - \partial_x u=0, \qquad…

Analysis of PDEs · Mathematics 2017-08-31 Haibo Cui , Haiyan Yin , Changjiang Zhu , Limei Zhu

We consider the problem of recovering of initial data in the IBVP for the wave-type equation in the half-space by the solution restricted to the boundary. The singular value decomposition of this problem is concerned: the asymptotics of…

Spectral Theory · Mathematics 2015-06-19 M. N. Demchenko

In this paper, we deal with the initial value problem for a class of fully nonlinear parabolic equations with a singular Dirichlet boundary condition in one space dimension. The interior equation includes, for example, a fully nonlinear…

Analysis of PDEs · Mathematics 2025-06-10 Takashi Kagaya

In order to describe the dynamics of monochromatic surface waves in deep water, we derive a nonlinear and dispersive system of equations for the free surface elevation and the free surface velocity from the Euler equations in infinite…

Exactly Solvable and Integrable Systems · Physics 2015-03-18 R. Kraenkel , H. Leblond , M. A. Manna

We consider positive solutions of a fractional Lane-Emden type problem in a bounded domain with Dirichlet conditions. We show that uniqueness and nondegeneracy hold for the asymptotically linear problem in general domains. Furthermore, we…

Analysis of PDEs · Mathematics 2022-07-25 Abdelrazek Dieb , Isabella Ianni , Alberto Saldaña

We prove an asymptotic stability result for the water wave equations linearized around small solitary waves. The equations we consider govern irrotational flow of a fluid with constant density bounded below by a rigid horizontal bottom and…

Analysis of PDEs · Mathematics 2010-09-03 Robert L. Pego , Shu-Ming Sun

We consider a class of wave equations with constant damping and polynomial nonlinearities that are perturbed by small, multiplicative, space-time white noise. The equations are defined on a one-dimensional bounded interval with Dirichlet…

Probability · Mathematics 2025-02-05 Ioannis Gasteratos , Michael Salins , Konstantinos Spiliopoulos

In this paper, we deal with the boundary controllability and boundary stabilizability of the 1D wave equation in non-cylindrical domain of the form ($\alpha (t)<x<\beta (t)$). By using the characteristics method, we prove under a natural…

Analysis of PDEs · Mathematics 2020-07-02 Mokhtari Yacine

By integrating the pressure equation at the surface of a self coupled curvilinear boundary, one may obtain asymptotic estimates of energy shifts, which is especially useful in lattice QCD studies of nonrelativistic bound states. Energy…

High Energy Physics - Lattice · Physics 2009-10-31 Walter Wilcox

In this work, we investigate time-dependent wave scattering by multiple small particles of arbitrary shape. To approximate the solution of the associated boundary-value problem, we derive an asymptotic model that is valid in the limit as…

Numerical Analysis · Mathematics 2025-11-17 Maryna Kachanovska , Adrian Savchuk

In this article we are concerned with an inverse boundary value problem for a non-linear wave equation of divergence form with space dimension $n\geq 3$. In particular the so called the interior determination problem. This non-linear wave…

Analysis of PDEs · Mathematics 2019-01-15 Gen Nakamura , Manmohan Vashisth

We consider a degenerate wave equation in one dimension, with drift and in presence of a leading operator which is not in divergence form. We impose a homogeneous Dirichlet boundary condition where the degeneracy occurs and a boundary…

Analysis of PDEs · Mathematics 2024-10-02 Genni Fragnelli , Dimitri Mugnai

In this paper, we study the one-dimensional wave equation with localized nonlinear damping and Dirichlet boundary conditions, in the $L^p$ framework, with $p\in [1,\infty)$. We start by addressing the well-posedness problem. We prove the…

Analysis of PDEs · Mathematics 2024-06-19 Yacine Chitour , Meryem Kafnemer , Patrick Martinez , Benmiloud Mebkhout

We consider here asymptotic models that describe the propagation of one-dimensional internal waves at the interface between two layers of immiscible fluids of different densities, under the rigid lid assumption and with uneven bottoms. The…

Analysis of PDEs · Mathematics 2015-07-10 Samer Israwi , Ralph Lteif , Raafat Talhouk

We derive asymptotic formulas for the solutions of the mixed boundary value problem for the Poisson equation on the union of a thin cylindrical plate and several thin cylindrical rods. One of the ends of each rod is set into a hole in the…

Analysis of PDEs · Mathematics 2019-02-20 R. Bunoiu , G. Cardone , S. A. Nazarov

We study the asymptotic behavior of solutions to the steady Navier-Stokes equations outside of an infinite cylinder in $\mathbb{R}^3$. We assume that the flow is periodic in $x_3$-direction and has no swirl. This problem is closely related…

Analysis of PDEs · Mathematics 2024-03-12 Hideo Kozono , Yutaka Terasawa , Yuta Wakasugi

The existence and uniqueness of a solution to a generalized Blasius equation with asymptotic boundary conditions are proved. A new numerical approximation method is proposed.

Analysis of PDEs · Mathematics 2011-09-13 Grzegorz Andrzejczak , Magdalena Nockowska-Rosiak , Bogdan Przeradzki

Given a smooth bounded domain ${\O}\subseteq \R^2$, we consider the equation $\D v = 2 v_x \wedge v_y$ in $\O$, where $v: {\O}\to \R^3$. We prescribe Dirichlet boundary datum, and consider the case in which this datum converges to zero. An…

Analysis of PDEs · Mathematics 2007-05-23 S. Chanillo , A. Malchiodi