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In the last twenty years, there have been significant advances in the study of the blow-up phenomenon for the critical generalized Korteweg-de Vries equation, including the determination of sufficient conditions for blowup, the stability of…

Analysis of PDEs · Mathematics 2021-07-02 Yvan Martel , Didier Pilod

The aim of this paper is to apply the modified potential well method and some new differential inequalities to study the asymptotic behavior of solutions to the initial homogeneous $\hbox{Neumann}$ problem of a nonlinear diffusion equation…

Analysis of PDEs · Mathematics 2020-09-11 Bin Guo , Jingjing Zhang , Menglan Liao

We study the critical dissipative quasi-geostrophic equations in $\bR^2$ with arbitrary $H^1$ initial data. After showing certain decay estimate, a global well-posedness result is proved by adapting the method in [11] with a suitable…

Analysis of PDEs · Mathematics 2007-05-23 Hongjie Dong , Dapeng Du

In this work we study a system of Schr\"odinger equations involving nonlinearities with quadratic growth. We establish sharp criterion concerned with the dichotomy global existence versus blow-up in finite time. Such a criterion is given in…

Analysis of PDEs · Mathematics 2019-08-13 Norman Noguera , Ademir Pastor

In this paper, we consider initial-boundary value problems for two-component nonlinear systems of time-fractional diffusion equations with the homogeneous Neumann boundary condition and non-negative initial values. The main results are the…

Analysis of PDEs · Mathematics 2024-05-28 Dian Feng , Masahiro Yamamoto

In this paper we study the existence and continuation of solution to general fractional differential equation with Hilfer fractional derivative. First we establish new local existence theorems. Then we derive the continuation theorems. With…

Classical Analysis and ODEs · Mathematics 2017-04-11 D. B. Dhaigude , Sandeep P. Bhairat

In this paper, a two-component variant of the Degasperis-Procesi equation on the real line is discussed. Applying Kato's theory, we first prove the local well-posedness for the equation under consideration in $H^s\times H^{s-1}$, for $s\geq…

Analysis of PDEs · Mathematics 2012-04-12 Martin Kohlmann

Under a mild Lipschitz condition we prove a theorem on the existence and uniqueness of global solutions to delay fractional differential equations. Then, we establish a result on the exponential boundedness for these solutions.

Classical Analysis and ODEs · Mathematics 2018-08-24 N. D. Cong , H. T. Tuan

Finite time extinction of any bounded solution to the fast diffusion equation with spatially inhomogeneous absorption $$ \partial_tu=\Delta u^m-|x|^{\sigma}u^p, \quad (x,t)\in\mathbb{R}^N\times(0,\infty), $$ with $N\geq1$ and exponents $$…

Analysis of PDEs · Mathematics 2026-02-20 Razvan Gabriel Iagar , Diana-Rodica Munteanu

This paper deals with nonlinear parabolic equation for which a local solution in time exists and then blows up in a finite time. We consider the Chipot-Weissler equation. We study the numerical approximation, we show that the numerical…

Numerical Analysis · Mathematics 2015-02-11 Houda Hani , Moez Khenissi

We prove optimal estimates for the decay in time of solutions to a rather general class of non-local in time subdiffusion equations in $\mathbb{R}^d$. An important special case is the time-fractional diffusion equation, which has seen much…

Analysis of PDEs · Mathematics 2014-03-10 Jukka Kemppainen , Juhana Siljander , Vicente Vergara , Rico Zacher

This paper considers a class of non-local equations that are weakly dispersive perturbations of the inviscid Burgers equation, which includes the Fornberg-Whitham equation as a special case. We precise the known results on finite time…

Analysis of PDEs · Mathematics 2026-02-27 Jean-Claude Saut , Yuexun Wang

In this article, the existence of global classical solutions to the discrete coagulation equations with collisional breakage is established for collisional kernel having linear growth whereas the uniqueness is shown under additional…

Analysis of PDEs · Mathematics 2022-08-16 Mashkoor Ali , Ankik Kumar Giri

The existence and uniqueness of weak solutions to a size-structured growth-coagulation-fragmentation (GCF) equation with a renewal boundary condition are shown for a class of unbounded coagulation and fragmentation kernels. The existence…

Analysis of PDEs · Mathematics 2025-04-09 Saroj Si , Ankik Kumar Giri

This work establishes conditions for the existence and uniqueness of local mild solutions to the Boussinesq equations with fractional dissipations in Sobolev-Gevrey spaces. We prove that a unique mild solution exists in an appropriate…

Analysis of PDEs · Mathematics 2025-12-10 Wilberclay G. Melo , Cilon Perusato , Thyago S. R. Santos

Variational problems of splitting-type with mixed linear-superlinear growth conditions are considered. In the twodimensional case the minimizing problem is given by \[ J [w] = \int_{\Omega} \Big[f_1\big(\partial_1 w\big) +…

Analysis of PDEs · Mathematics 2020-07-30 Michael Bildhauer , Martin Fuchs

We establish the global existence of higher-order Sobolev solutions for a non-local integrable evolution equation arising in the study of pseudospherical surfaces and non-linear wave propagation. Under a natural assumption on the initial…

Analysis of PDEs · Mathematics 2025-12-01 Nilay Duruk Mutlubas , Igor Leite Freire

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…

The behavior near the extinction time is identified for non-negative solutions to the diffusive Hamilton-Jacobi equation with critical gradient absorption $\partial_t u - \Delta_p u + |\nabla u|^{p-1} = 0$ in $(0, \infty) \times…

Analysis of PDEs · Mathematics 2016-08-22 Razvan Gabriel Iagar , Philippe Laurençot

We begin by proving a local existence result for a fractional Caputo nonlocal thermistor problem. Then, additional existence and continuation theorems are obtained, ensuring global existence of solutions.

Analysis of PDEs · Mathematics 2017-11-17 Moulay Rchid Sidi Ammi , Ismail Jamiai , Delfim F. M. Torres
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