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In this paper, we study the global existence of solutions of the Cauchy problem for a class of weakly dissipative nonlinear dispersive wave equations…

Analysis of PDEs · Mathematics 2026-03-24 Yiyao Lian , Zhenyu Wan , Zhaoyang Yin

We consider a time-fractional parabolic equation of doubly nonlinear type, featuring nonlinear terms both inside and outside the differential operator in time. The main nonlinearities are maximal monotone graphs, without restrictions on the…

Analysis of PDEs · Mathematics 2025-08-20 Goro Akagi , Giacomo Enrico Sodini , Ulisse Stefanelli

In this paper we construct classical solutions of a family of coagulation equations with homogeneous kernels that exhibit the behaviour known as gelation. This behaviour consists in the loss of mass due to the fact that some of the…

Mathematical Physics · Physics 2010-09-16 M. Escobedo , J. J. L. Velázquez

We prove the existence and uniqueness of global solutions to the semilinear stochastic heat equation on an unbounded spatial domain with forcing terms that grow superlinearly and satisfy an Osgood condition $\int 1/|f(u)|du = +\infty$ along…

Probability · Mathematics 2022-08-12 Michael Salins

We study existence, uniqueness and regularity properties of classical solutions to viscous Hamilton-Jacobi equations with Caputo time-fractional derivative. Our study relies on a combination of a gradient bound for the time-fractional…

Analysis of PDEs · Mathematics 2020-02-26 Fabio Camilli , Alessandro Goffi

An explicit solution for a growth fragmentation equation with constant dislocation measure is obtained. In this example the necessary condition for the general results in \cite{BW} about the existence of global solutions in the so called…

Analysis of PDEs · Mathematics 2017-01-10 M. Escobedo

In the first part of this paper, we prove the global regularity, in an adequate parabolic Bessel-Potential space and then in the corresponding parabolic fractional Sobolev space, of the unique solution to following fractional heat equation…

Analysis of PDEs · Mathematics 2025-06-10 Boumediene Abdellaoui , Somia Atmani , Kheireddine Biroud , El-Haj Laamri

We consider an ensemble of classical particles coupled to a Klein-Gordon field. For the resulting nonlinear system of partial differential equations, which we call the relativistic Vlasov-Klein-Gordon system, we prove the existence of…

Analysis of PDEs · Mathematics 2009-11-07 Michael Kunzinger , Gerhard Rein , Roland Steinbauer , Gerald Teschl

We study a critical case of Coagulation-Fragmentation equations with multiplicative coagulation kernel and constant fragmentation kernel. Our method is based on the study of viscosity solutions to a new singular Hamilton-Jacobi equation,…

Analysis of PDEs · Mathematics 2020-07-02 Hung V. Tran , Truong-Son Van

While much literature on chemotaxis systems focuses on bounded domains, this paper emphasizes the global existence of classical solutions for three primary chemotaxis systems with a logistic source on $\mathbb{R}^n$. We present a unified…

Analysis of PDEs · Mathematics 2023-10-25 Zulaihat Hassan , Wenxian Shen , Yuming Paul Zhang

We prove global existence, uniqueness and regularity of the mild, Lp and classical solution of a non-linear Fokker-Planck equation arising in an adaptive importance sampling method for molecular dynamics calculations. The non- linear term…

Analysis of PDEs · Mathematics 2015-10-15 Houssam Alrachid , Tony Lelièvre , Raafat Talhouk

In this paper, we consider the compressible Euler-Maxwell equations arising in semiconductor physics, which take the form of Euler equations for the conservation laws of mass density and current density for electrons, coupled to Maxwell's…

Analysis of PDEs · Mathematics 2015-03-17 Jiang Xu

We prove that the viscous Burgers equation has a globally defined smooth solution in all dimensions provided the initial condition and the forcing term are smooth and bounded together with their derivatives. Such solutions may have infinite…

Analysis of PDEs · Mathematics 2015-10-09 Jeremie Unterberger

This paper presents the existence of global solutions to the discrete Safronov-Dubvoski\v{i} coagulation equations for a large class of coagulation kernels satisfying $\Lambda_{i,j} = \theta_i \theta_j + \kappa_{i,j}$ with $\kappa_{i,j}…

Analysis of PDEs · Mathematics 2022-07-26 Mashkoor Ali , Ankik Kumar Giri

A global existence theorem on weak solutions is shown for the continuous coagulation equation with collisional breakage under certain classes of unbounded collision kernels and distribution functions. This model describes the dynamics of…

Analysis of PDEs · Mathematics 2018-05-28 Prasanta Kumar Barik , Ankik Kumar Giri

We show a global existence result of weak solutions for a class of generalized Surface Quasi-Geostrophic equation in the inviscid case. We also prove the global regularity of such solutions for the equation with slightly supercritical…

Analysis of PDEs · Mathematics 2018-02-22 Omar Lazar , Liutang Xue

We study the Cauchy problem for a system of semi-linear coupled fractional-diffusion equations with polynomial nonlinearities posed in $% \mathbb{R}_{+}\times \mathbb{R}^{N}$. Under appropriate conditions on the exponents and the orders of…

Analysis of PDEs · Mathematics 2020-09-22 A. Bashir , A. Alsaedi , M. Berbiche , M Kirane

We prove a global existence result for weak solutions to a one-dimensional free boundary problem with flux boundary conditions describing swelling along a halfline. Additionally, we show that solutions are not only unique but also depend…

Analysis of PDEs · Mathematics 2020-01-10 Kota Kumazaki , Adrian Muntean

We are concerned with global existence for semilinear parabolic equations on Riemannian manifolds with negative sectional curvatures. A particular attention is paid to the class of initial conditions which ensure existence of global…

Analysis of PDEs · Mathematics 2017-07-27 Fabio Punzo

The global existence of classical solutions to strongly coupled parabolic systems is shown to be equivalent to the availability of an iterative scheme producing a sequence of solutions with uniform continuity in the BMO norms. Amann's…

Analysis of PDEs · Mathematics 2014-09-17 Dung Le