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Related papers: A stability result for a degenerate beam equation

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A full theory for hinged beams and degenerate plates with multiple intermediate piers is developed. The analysis starts with the variational setting and the study of the linear stationary problem in one dimension. Well-posedness results are…

Analysis of PDEs · Mathematics 2018-12-20 Maurizio Garrione , Filippo Gazzola

In this work, we are concerned with a nonlinear wave equation with variable exponents. A distributive delay is imposed into the damping term with variable exponents nonlinearity. Firstly, we show that the global nonexistence time can be…

Analysis of PDEs · Mathematics 2024-11-26 Mohammad Kafini

We construct stable manifolds for a class of degenerate evolution equations including the steady Boltzmann equation, establishing in the process exponential decay of associated kinetic shock and boundary layers to their limiting equilibrium…

Dynamical Systems · Mathematics 2016-12-21 Alin Pogan , Kevin Zumbrun

We study the decay of the semigroup generated by the damped wave equation in an unbounded domain. We first prove under the natural geometric control condition the exponential decay of the semigroup. Then we prove under a weaker condition…

Analysis of PDEs · Mathematics 2015-09-10 Nicolas Burq , Romain Joly

We consider the question of exponential decay to equilibrium of solutions of an abstract class of degenerate evolution equations on a Hilbert space modeling the steady Boltzmann and other kinetic equations. Specifically, we provide…

Analysis of PDEs · Mathematics 2017-01-18 Alin Pogan , Kevin Zumbrun

We study a Robin boundary problem for degenerate parabolic equation. We suggest a notion of entropy solution and propose a result of existence and uniqueness. Numerical simulations illustrate some aspects of solution behaviour.…

Analysis of PDEs · Mathematics 2014-03-11 Mohamed Karimou Gazibo

This paper is concerned with the existence and the regularity of global solutions to the linear wave equation associated with two-point type boundary conditions. We also investigate the decay properties of the global solutions to this…

Analysis of PDEs · Mathematics 2011-11-29 Le Xuan Truong , Le Thi Phuong Ngoc , Alain Pham Ngoc Dinh , Nguyen Thanh Long

We show the various existence results for degenerate $p(x)$-Laplace equations with Leray-Lions type operators. A suitable condition on degeneracy is discussed and proofs are mainly based on direct methods and critical point theories in…

Analysis of PDEs · Mathematics 2017-03-08 Ky Ho , Inbo Sim

This work investigates the global exponential stabilization of a degenerate Euler-Bernoulli beam subjected to a non uniform axial force and a delayed feedback control. First, we address the well-posedness of the system by constructing an…

Analysis of PDEs · Mathematics 2026-02-23 Ben Bakary Junior Siriki , Adama Coulibaly

We generalize and strenghten Ko{\l}odziej's stability theorem. In particular we give sharp stability exponent and treat the case with more singular right hand side of the Monge-Amp\`ere equation.

Complex Variables · Mathematics 2008-01-26 Sławomir Dinew , Zhou Zhang

We investigate the stability properties of an abstract class of semi-linear systems. Our main result establishes rational rates of decay for classical solutions assuming a certain non-uniform observability estimate for the linear part and…

Functional Analysis · Mathematics 2026-01-21 Lassi Paunonen , David Seifert

In this paper, we investigate a system composed of two degenerate wave equations which are connected at one point. By introducing some inequalities on the weighted spaces and employing the frequency domain method, we prove that the system…

Analysis of PDEs · Mathematics 2026-04-08 Ya-nan Sun , Qiong Zhang

We consider a one-parameter family of beam equations with Hamiltonian non-linearity in one space dimension under periodic boundary conditions. In a unified functional framework we study the long time evolution of initial data in two…

Analysis of PDEs · Mathematics 2022-12-12 Roberto Feola , Jessica Elisa Massetti

In this paper, we consider an Euler-Bernoulli beam equation with time-varying internal fluid. We assume that the fluid is moving with non-constant velocity and dynamical boundary conditions are satisfied. We prove the existence and…

Analysis of PDEs · Mathematics 2021-03-17 Akram Ben Aissa , Mama Abdelli , Alessandro Duca

We study damped wave propagation problems phrased as abstract evolution equations in Hilbert spaces. Under some general assumptions, including a natural compatibility condition for initial values, we establish exponential decay estimates…

Analysis of PDEs · Mathematics 2023-12-01 Herbert Egger , Stefan Kurz , Richard Löscher

The input/output stability of an interconnected system composed of an ordinary differential equation and a damped string equation is studied. Issued from the literature on time-delay systems, an exact stability result is firstly derived…

Optimization and Control · Mathematics 2018-09-24 Matthieu Barreau , Frédéric Gouaisbaut , Alexandre Seuret , Rifat Sipahi

We study the dynamics of a degenerate parabolic equation with a variable, generally non-smooth diffusion coefficient, which may vanish at some points or be unbounded. We show the existence of a global branch of nonnegative stationary…

Analysis of PDEs · Mathematics 2007-05-23 Nikos I. Karachalios , Nikos B. Zographopoulos

We consider small nonlinear perturbations of linear systems on a time scale with the phase space being finite or infinite-dimensional. For $\Delta$-differential operators, corresponding to linear dynamic systems we consider their…

Dynamical Systems · Mathematics 2023-04-13 Svetlin Georgiev , Sergey Kryzhevich

We consider the transmission problem for a coupled system of undamped and structurally damped plate equations in two sufficiently smooth and bounded subdomains. It is shown that, independently of the size of the damped part, the damping is…

Analysis of PDEs · Mathematics 2018-06-28 Robert Denk , Felix Kammerlander

The interest of the scientific community for the existence, uniqueness and stability of solutions to PDE's is testified by the numerous works available in the literature. In particular, in some recent publications on the subject an…

Analysis of PDEs · Mathematics 2019-02-22 Daniele Casagrande , Daniele Del Santo , Martino Prizzi