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We prove Strichartz estimates in similarity coordinates for the radial wave equation with a self similar potential in dimensions $d\geq 3$. As an application of these, we establish the asymptotic stability of the ODE blowup profile of the…

Analysis of PDEs · Mathematics 2022-04-11 David Wallauch

We study the Cauchy problem of the damped wave equation \begin{align*} \partial_{t}^2 u - \Delta u + \partial_t u = 0 \end{align*} and give sharp $L^p$-$L^q$ estimates of the solution for $1\le q \le p < \infty\ (p\neq 1)$ with derivative…

Analysis of PDEs · Mathematics 2019-03-14 Masahiro Ikeda , Takahisa Inui , Mamoru Okamoto , Yuta Wakasugi

In this paper we investigate the dispersive properties of the solutions of the two dimensional water-waves system. First we prove Strichartz type estimates with loss of derivatives at the same low level of regularity we were able to…

Analysis of PDEs · Mathematics 2010-02-02 Thomas Alazard , Nicolas Burq , Claude Zuily

We study the Cauchy problem for the nonlinear damped wave equation and establish the large data local well-posedness and small data global well-posedness with slowly decaying initial data. We also prove that the asymptotic profile of the…

Analysis of PDEs · Mathematics 2019-03-14 Masahiro Ikeda , Takahisa Inui , Yuta Wakasugi

We consider the Cauchy problem for wave equations with unbounded damping coefficients in the whole space. For a general class of unbounded damping coefficients, we derive uniform total energy decay estimates together with a unique existence…

Analysis of PDEs · Mathematics 2017-06-14 Ryo Ikehata , Hiroshi Takeda

In this article, we consider the inverse problems of determining the damping coefficient appearing in the wave equation. We prove the unique determination of the coefficient from the data coming from a single coincident source-receiver…

Analysis of PDEs · Mathematics 2019-06-24 Manmohan Vashisth

Wave propagation problems have many applications in physics and engineering, and the stochastic effects are important in accurately modeling them due to the uncertainty of the media. This paper considers and analyzes a fully discrete finite…

Numerical Analysis · Mathematics 2021-06-30 Yukun Li , Shuonan Wu , Yulong Xing

We study the damped wave equation with a damping coefficient which is possibly singular and unbounded at infinity. In general, zero belongs to the spectrum of the corresponding generator, which prevents a uniform (exponential) decay for the…

Analysis of PDEs · Mathematics 2026-03-24 Antonio Arnal , Borbala Gerhat , Julien Royer , Petr Siegl

We establish Strichartz estimates in similarity coordinates for the radial wave equation in three spatial dimensions with a (time-dependent) self-similar potential. As an application we consider the critical wave equation and prove the…

Analysis of PDEs · Mathematics 2017-10-18 Roland Donninger

In this paper, we study the Strichartz-type estimates of the solution for the linear wave equation with inverse square potential. Assuming the initial data possesses additional angular regularity, especially the radial initial data, the…

Analysis of PDEs · Mathematics 2013-12-09 Changxing Miao , Junyong Zhang , Jiqiang Zheng

We study the well-posedness of the Cauchy problem with Dirichlet or Neumann boundary conditions associated to an H 1 -critical semilinear wave equation on a smooth bounded 2D domain {\Omega}. First, we prove an appropriate Strichartz type…

Analysis of PDEs · Mathematics 2010-08-17 S. Ibrahim , R. Jrad

Strong-type inhomogeneous Strichartz estimates are shown to be false for the wave equation outside the so-called acceptable region. On a critical line where the acceptability condition marginally fails, we prove substitute estimates with a…

Classical Analysis and ODEs · Mathematics 2019-02-05 Neal Bez , Jayson Cunanan , Sanghyuk Lee

We give several remarks on Strichartz estimates for homogeneous wave equation with special attention to the cases of $L^\infty_x$ estimates, radial solutions and initial data from the inhomogeneous Sobolev spaces. In particular, we give the…

Analysis of PDEs · Mathematics 2007-05-23 Daoyuan Fang , Chengbo Wang

We prove the dispersive and Strichartz estimates for solutions to the wave equation with a class of many-electric potentials in spatial dimension three. To obtain the desired dispersive estimate, based on the spectral properties of the…

Analysis of PDEs · Mathematics 2024-02-14 Haoran Wang

We study the stabilization and the wellposedness of solutions of the wave equation with subcritical semilinearities and locally distributed nonlinear dissipation. The novelty of this paper is that we deal with the difficulty that the main…

Let U be a bounded, regular, strictly convex domain of R^2 and consider the wave equation on U with Dirichlet boundary condition. We prove that in such a domain the Strichartz estimates for the wave equation suffer losses when compared to…

Analysis of PDEs · Mathematics 2009-04-30 Oana Ivanovici

This note is concerned with Strichartz estimates for the wave equation and orthonormal families of initial data. We provide a survey of the known results and present what seems to be a reasonable conjecture regarding the cases which have…

Analysis of PDEs · Mathematics 2023-06-27 Neal Bez , Shinya Kinoshita , Shobu Shiraki

In this article we reconsider the problem of the propagation of waves in a random medium in a kinetic regime. The final aim of this program would be the understanding of the conditions which allow to derive a kinetic or radiative transfer…

Analysis of PDEs · Mathematics 2022-07-28 S Breteaux , F Nier

In this paper we investigate spectral properties of the damped elastic wave equation. Deducing a correspondence between the eigenvalue problem of this model and the one of Lam\'e operators with non self-adjoint perturbations, we provide…

Spectral Theory · Mathematics 2021-08-18 Biagio Cassano , Lucrezia Cossetti , Luca Fanelli

We obtain global Strichartz estimates for the solution $u$ of the wave equation $\partial_t^2 u-\Div_x(a(t,x)\nabla_xu)=0$ with time-periodic metric $a(t,x)$ equal to 1 outside a compact set with respect to $x$. We assume $a(t,x)$ is a…

Analysis of PDEs · Mathematics 2011-02-22 Yavar Kian