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We consider the homogeneous Dirichlet problem for the anisotropic parabolic equation \[ u_t-\sum_{i=1}^ND_{x_i}\left(|D_{x_i}u|^{p_i(x,t)-2}D_{x_i}u\right)=f(x,t) \] in the cylinder $\Omega\times (0,T)$, where $\Omega\subset \mathbb{R}^N$,…

Analysis of PDEs · Mathematics 2022-08-17 Rakesh Arora , Sergey Shmarev

We prove the existence of unique solutions to the Dirichlet boundary value problems for linear second-order uniformly parabolic operators in either divergence or non-divergence form with boundary blowup low-order coefficients. The domain is…

Analysis of PDEs · Mathematics 2013-12-10 Sungwon Cho , Hongjie Dong , Doyoon Kim

We establish the existence and uniqueness, in bounded as well as unbounded Lipschitz type cylinders of the forms $U_X\times V_{Y,t}$ and $\Omega\times \mathbb R^{m}\times \mathbb R$, of weak solutions to Cauchy-Dirichlet problems for the…

Analysis of PDEs · Mathematics 2021-12-03 M. Litsgård , K. Nyström

We present a method of solving a nonlinear Dirichlet problem with discontinuous boundary data and we give a probabilistic representation of the solution using the nonlocal branching process associated with the nonlinear term of the…

Probability · Mathematics 2024-10-23 Lucian Beznea , Oana Lupascu-Stamate , Alexandra Teodor

This paper studies the properties of solutions for a double nonlinear time-dependent parabolic equation with variable density, not in divergence form with a source or absorption. The problem is formulated as a partial differential equation…

Analysis of PDEs · Mathematics 2025-07-03 Mersiad Aripov , Makhmud Bobokandov

In this paper, we solve the Dirichlet problem for Lagrangian phase equation with critical and supercritical phase. A crucial ingredient is the interior $C^2$ estimate. Our result is sharp in the sense that there exist singular solutions in…

Analysis of PDEs · Mathematics 2023-02-14 Siyuan Lu

This is a study of a class of nonlocal nonlinear diffusion equations. We present a strong maximum principle for nonlocal time-dependent Dirichlet problems. Results are for bounded functions of space, rather than (semi)-continuous functions.…

Analysis of PDEs · Mathematics 2016-02-12 Ravi Shankar , Tucker Hartland

The aim of this paper is to employ variational techniques and critical point theory to prove some conditions for the existence of solutions to nonlinear impulsive dynamic equation with homogeneous Dirichlet boundary conditions. Also we will…

Classical Analysis and ODEs · Mathematics 2013-04-29 Victoria Otero-Espinar , Tania Pernas-Castaño

We study two types of asymptotic problems whose common feature - and difficulty- is to exhibit oscillating Dirichlet boundary conditions : the main contribution of this article is to show how to recover the Dirichlet boundary condition for…

Analysis of PDEs · Mathematics 2012-05-22 Guy Barles , Elisabeth Mironescu

In this paper, we study the Cauchy-Dirichlet problem \begin{equation*} \left\{ \begin{array}{ll} \mbox{$\partial_t u - \operatorname{div} \left( D_\xi f(t, Du)\right) = 0$ } & \mbox{in $\Omega_T$}, \\[5pt] \mbox{$u = u_o$} & \mbox{on…

Analysis of PDEs · Mathematics 2022-09-09 Leah Schätzler , Jarkko Siltakoski

In this paper, we investigate the existence of weak solutions for a class of degenerate elliptic Dirichlet problems with critical nonlinearity and a logarithmic perturbation

Analysis of PDEs · Mathematics 2024-05-20 Hua Chen , Xin Liao , Ming Zhang

In this note we set up the elliptic and the parabolic Dirichlet problem for linear nonlocal operators. As opposed to the classical case of second order differential operators, here the "boundary data" are prescribed on the complement of a…

Analysis of PDEs · Mathematics 2013-11-13 Matthieu Felsinger , Moritz Kassmann , Paul Voigt

We study the strong solvability of the Cauchy-Dirichlet problem for parabolic quasilinear equations with discontinuous data. The principal coefficients depend on the point $(x,t)$ and on the solution u, the dependence on x is of VMO type…

Analysis of PDEs · Mathematics 2025-05-23 Rescigno Rosamaria

The Dirichlet problem for a class of stochastic partial differential equations is studied in Sobolev spaces. The existence and uniqueness result is proved under certain compatibility conditions that ensure the finiteness of…

Probability · Mathematics 2018-05-18 Kai Du

We investigate the large-time behavior of the sign-changing solution of the inhomogeneous semilinear heat equation with a forcing term depending of time and space. we identify the critical exponent for this problem, which separates the…

Analysis of PDEs · Mathematics 2019-10-23 Mohamed Jleli , Tatsuki Kawakami , Bessem Samet

The author proves the existence of strong solutions of the Dirichlet problem for the nonstationary Stokes system in polygonal domain. Here, the solutions are elements of weighted Sobolev spaces, where the weight function is a power of the…

Analysis of PDEs · Mathematics 2025-05-22 Jürgen Rossmann

We study whether the solutions of a fully nonlinear, uniformly parabolic equation with superquadratic growth in the gradient satisfy initial and homogeneous boundary conditions in the classical sense, a problem we refer to as the classical…

Analysis of PDEs · Mathematics 2017-10-31 Alexander Quaas , Andrei Rodríguez

We are concerned in this paper with the degenerate fractional diffusion advection equations posed in bounded domains. Due to a suitable formulation, we show the existence of weak entropy solutions for measurable and bounded initial and…

Analysis of PDEs · Mathematics 2022-10-10 Gerardo Huaroto , Wladimir Neves

In this paper we prove the boundedness and H\"older continuity of quasilinear elliptic problems involving variable exponents for a homogeneous Dirichlet and a nonhomogeneous Neumann boundary condition, respectively. The novelty of our work…

Analysis of PDEs · Mathematics 2022-01-10 Ky Ho , Yun-Ho Kim , Patrick Winkert , Chao Zhang

We consider the Cauchy problem of the semilinear wave equation with a damping term \begin{align*} u_{tt} - \Delta u + c(t,x) u_t = |u|^p, \quad (t,x)\in (0,\infty)\times \mathbb{R}^N,\quad u(0,x) = \varepsilon u_0(x), \ u_t(0,x) =…

Analysis of PDEs · Mathematics 2019-03-14 Kenji Nishihara , Motohiro Sobajima , Yuta Wakasugi