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The final goal of this paper is to prove existence of local (strong) solutions to a (fully nonlinear) porous medium equation with blow-up term and nondecreasing constraint. To this end, the equation, arising in the context of Damage…

Analysis of PDEs · Mathematics 2018-02-28 Goro Akagi , Stefano Melchionna

We consider the focusing mass-critical nonlinear Schr\"odinger equation and prove that blowup solutions to this equation with initial data in $H^s(\R^d)$, $s > s_0(d)$ and $d\geq 3$, concentrate at least the mass of the ground state at the…

Analysis of PDEs · Mathematics 2007-05-23 Monica Visan , Xiaoyi Zhang

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

We consider the classical Cauchy problem for a system of equations describing 3D arbitrary electrostatic oscillations of the cold plasma and introduce an iteration procedure that allows estimating the blow-up time from below. This procedure…

Analysis of PDEs · Mathematics 2023-03-29 Olga Rozanova

We consider the focusing nonlinear Schr\"odinger equation in three spatial dimensions with powers close to three and prove the existence of a self-similar solution. This generalizes a previous result on the cubic case and shows that…

Analysis of PDEs · Mathematics 2025-09-24 Roland Donninger , Lorenz Lichtnecker

The paper deals with blow--up for the solutions of wave equation with nonlinear source and nonlinear boudary damping terms, posed in a bounded and regular domain. The initial data are posed in the energy space. The aim of the paper is to…

Analysis of PDEs · Mathematics 2020-04-13 Alessio Fiscella , Enzo Vitillaro

This paper is devoted to the study of blow-up phenomenon for a fouth-order nonlocal parabolic equation with Neumann boundary condition, \begin{equation*} \left\{\begin{array}{ll}\ds u_{t}+u_{xxxx}=|u|^{p-1}u-\frac{1}{a}\int_{0}^a|u|^{p-1}u\…

Analysis of PDEs · Mathematics 2024-08-20 Jingbo Meng , Shuyan Qiu , Guangyu Xu , Hong Yi

The present paper deals with the Cauchy problem of a multi-dimensional non-conservative viscous compressible two-fluid system. We first study the well-posedness of the model in spaces with critical regularity indices with respect to the…

Analysis of PDEs · Mathematics 2020-10-20 Fuyi Xu , Meiling Chi , Lishan Liu , Yonghong Wu

In this paper, we consider the initial-boundary value problems with several fundamental boundary conditions (the Dirichlet/Neumann/Robin boundary condition) for the multi-component system of semi-linear classical damped wave equations…

Analysis of PDEs · Mathematics 2022-01-25 Tuan Anh Dao , Masahiro Ikeda

In this paper, we revisit the problem of finite-time blowup for a multi-dimensional nonlocal transport equation studied in [Dong, Adv. Math. 264 (2014) 747-761]. Inspired by a one-dimensional analogous model considered in [Li-Rodrigo, Adv.…

Analysis of PDEs · Mathematics 2026-03-03 Wanwan Zhang

We consider the following Cauchy problem for three dimensional energy critical heat equation \begin{equation*} \begin{cases} u_t=\Delta u+u^{5},~&\mbox{ in } \ {\mathbb R}^3 \times (0,T),\\ u(x,0)=u_0(x),~&\mbox{ in } \ {\mathbb R}^3.…

Analysis of PDEs · Mathematics 2020-02-17 Manuel del Pino , Monica Musso , Juncheng Wei , Qidi Zhang , Yifu Zhang

We consider the Cauchy problem for the defocusing power type nonlinear wave equation in $(1+3)$-dimensions for energy subcritical powers $p$ in the range $3 < p< 5$. We prove that any solution is global-in-time and scatters to free waves in…

Analysis of PDEs · Mathematics 2020-11-18 Benjamin Dodson , Andrew Lawrie , Dana Mendelson , Jason Murphy

The aim of this paper is to study, in dimensions 2 and 3, the pure-power non-linear Schr\"odinger equation with an external uniform magnetic field included. In particular, we derive a general criteria on the initial data and the power of…

Analysis of PDEs · Mathematics 2020-10-27 T. F. Kieffer , M. Loss

We study global existence of solutions to the Cauchy problem for the wave equation with time-dependent damping and a power nonlinearity in the overdamping case. We prove the global well-posedness for small data in the energy space for the…

Analysis of PDEs · Mathematics 2021-12-14 Masahiro Ikeda , Yuta Wakasugi

We study finite time blow-up and global existence of solutions to the Cauchy problem for the porous medium equation with a variable density $\rho(x)$ and a power-like reaction term. We show that for small enough initial data, if…

Analysis of PDEs · Mathematics 2020-07-24 Giulia Meglioli , Fabio Punzo

We consider a Gross-Pitaevskii equation which appears as a model in the description of dipolar Bose-Einstein condensates, without a confining external trapping potential. We describe the asymptotic dynamics of solutions to the corresponding…

Analysis of PDEs · Mathematics 2021-06-15 Van Duong Dinh , Luigi Forcella , Hichem Hajaiej

We consider the Cauchy problem for a system of fully nonlinear parabolic equations. In this paper, we shall show the existence of global-in-time solutions to the problem. Our condition to ensure the global existence is specific to the fully…

Analysis of PDEs · Mathematics 2022-02-11 Takahiro Kosugi , Ryuichi Sato

We discuss concepts and review results about the Cauchy problem for the Fornberg-Whitham equation, which has also been called Burgers-Poisson equation in the literature. Our focus is on a comparison of various strong and weak solution…

Analysis of PDEs · Mathematics 2020-10-08 Guenther Hoermann

We prove global well-posedness, scattering and blow-up results for energy-subcritical focusing nonlinear Schr\"odinger equations on the hyperbolic space. We show in particular the existence of a critical element for scattering for all…

Analysis of PDEs · Mathematics 2014-11-17 Valeria Banica , Thomas Duyckaerts

We study global in time existence versus blow-up in finite time of solutions to the Cauchy problem for the porous medium equation with a variable density $\rho(x)$ and a power-like reaction term posed in the one dimensional interval…

Analysis of PDEs · Mathematics 2022-04-19 Giulia Meglioli