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We investigate a quasilinear initial-boundary value problem for Kuznetsov's equation with non-homogeneous Dirichlet boundary conditions. This is a model in nonlinear acoustics which describes the propagation of sound in fluidic media with…

Analysis of PDEs · Mathematics 2012-09-10 Stefan Meyer , Mathias Wilke

The inverse problem of reconstructing the initial state in quasilinear parabolic equations from time averages is investigated. Under suitable regularity assumptions on the quasilinear structure and a superlinear growth condition near zero…

Analysis of PDEs · Mathematics 2025-10-27 Bogdan-Vasile Matioc , Christoph Walker

In this paper we consider the initial-boundary value problem for the heat, damped wave, complex-Ginzburg-Landau and Schr"odinger equations with the power type nonlinearity $|u|^p$ with $p in (1,2]$ in a two-dimensional exterior domain.…

Analysis of PDEs · Mathematics 2017-11-06 Masahiro Ikeda , Motohiro Sobajima

We study initial-boundary value problems for linear evolution equations of arbitrary spatial order, subject to arbitrary linear boundary conditions and posed on a rectangular 1-space, 1-time domain. We give a new characterisation of the…

Analysis of PDEs · Mathematics 2015-05-28 David A. Smith

We establish the existence of weak solutions of a nonlinear radiation-type boundary value problem for elliptic equation on divergence form with discontinuous leading coefficient. Quantitative estimates play a crucial role on the real…

Analysis of PDEs · Mathematics 2015-07-23 Luisa Consiglieri

This paper concerns the initial-boundary value problem for a mixed pseudo-parabolic $p$-Laplacian type equation. By constructing a family of potential wells, we first present the explicit expression for the depth of potential well, and then…

Analysis of PDEs · Mathematics 2022-08-09 Jiazhuo Cheng , Qiru Wang

In this article we prove the global existence of a unique strong solution to the initial boundary-value problem for a fourth-order exponential PDE. The equation we study was originally proposed to study the evolution of crystal surfaces,…

Analysis of PDEs · Mathematics 2022-06-29 Brock C. Price , Xiangsheng Xu

Our focus is on the fast diffusion equation driven by the $p$-Laplacian operator, that is $\partial_t u=\Delta_p u$ with $1<p<2$, posed in the whole space $\mathbb{R}^N$, $N\geq 2$. The nonnegative solutions are expected to converge in time…

Analysis of PDEs · Mathematics 2025-10-03 Matteo Bonforte , Iwona Chlebicka , Nikita Simonov

We study a class of initial boundary value problems of hyperbolic type. A new topological approach is applied to prove the existence of non-negative classical solutions. The arguments are based upon a recent theoretical result.

Analysis of PDEs · Mathematics 2020-05-07 Svetlin Georgiev Georgiev , Mohamed Majdoub

In this paper, the global-in-time $ L^2 $-solvability of the initial-boundary value problem for differential inclusions of doubly-nonlinear type, which arises from fracture mechanics, is proved. This problem is not covered by general…

Analysis of PDEs · Mathematics 2024-04-18 Kotaro Sato

We prove that solutions to Cauchy problems related to the $p$-parabolic equations are stable with respect to the nonlinearity exponent $p$. More specifically, solutions with a fixed initial trace converge in an $L^q$-space to a solution of…

Analysis of PDEs · Mathematics 2014-01-14 Teemu Lukkari , Mikko Parviainen

We prove the existence and regularity of convex solutions to the first initial-boundary value problem for the parabolic Monge-Amp\`ere equationn $$ \left\{\begin{eqnarray} &&-u_t+\det D^2u= \psi(x,t) \quad\quad\ \text{ in } Q_T,\newline…

Analysis of PDEs · Mathematics 2025-06-10 Yang Zhou , Ruixuan Zhu

In this paper we study a class of nonlinearities for which a nonlocal parabolic equation with Neumann-Robin boundary conditions, for $p$-Laplacian, has finite time blow-up solutions.

Classical Analysis and ODEs · Mathematics 2011-07-29 Constantin P. Niculescu , Ionel Roventa

In this paper, we derive a priori estimates for the gradient and second order derivatives of solutions to a class of Hessian type fully nonlinear parabolic equations with the first initial-boundary value problem on Riemannian manifolds.…

Analysis of PDEs · Mathematics 2015-02-04 Ge-Jun Bao , Wei-Song Dong

The stability theory for hyperbolic initial boundary value problems relies most of the time on the Laplace transform with respect to the time variable. For technical reasons, this usually restricts the validity of stability estimates to the…

Numerical Analysis · Mathematics 2016-08-08 Jean-François Coulombel

We prove the existence of a fundamental solution of the Cauchy initial boundary value problem on the whole space for a parabolic partial differential equation with discontinuous unbounded first-order coefficient at the origin. We establish…

Analysis of PDEs · Mathematics 2019-06-17 Maria Rosaria Formica , Eugeny Ostrovsky , Leonid Sirota

We consider the initial-boundary value problems on $\mathbb{R}^{+}\times \mathbb{R}^{+}$ for one-dimension systems of quasilinear wave equations with null conditions. We show that for homogeneous Dirichlet boundary values and sufficiently…

Analysis of PDEs · Mathematics 2024-08-13 Dongbing Zha

We establish existence and uniqueness results for the singular initial value problem associated with a class of quasilinear, symmetric hyperbolic, partial differential equations of Fuchsian type in several space dimensions. This is an…

General Relativity and Quantum Cosmology · Physics 2012-09-06 Ellery Ames , Florian Beyer , James Isenberg , Philippe G. LeFloch

In this paper, we consider an initial-boundary value problem of the p-Laplacian parabolic equations \begin{equation} \begin{cases} u_{t}\left(x,t\right)=\mbox{div}(|\nabla u\left(x,t\right)|^{p-2}\nabla u(x,t))+f(u(x,t)), &…

Analysis of PDEs · Mathematics 2017-06-22 Soon-Yeong Chung , Min-Jun Choi

In this paper, we consider the finite time blow-up results for a parabolic equation coupled with superlinear source term and local linear boundary dissipation. Using a concavity argument, we derive the sufficient conditions for the…

Analysis of PDEs · Mathematics 2022-05-13 Fenglong Sun , Yutai Wang , Hongjian Yin