中文
相关论文

相关论文: A short remark on a Growth Fragmentation equation

200 篇论文

In this paper, we study the existence of multiple solutions to a generalized $p(\cdot)$-Laplace equation with two parameters involving critical growth. More precisely, we give sufficient "local" conditions, which mean that growths between…

偏微分方程分析 · 数学 2022-01-31 Ky Ho , Inbo Sim

We study solutions of a Euclidean weighted porous medium equation when the weight behaves at spacial infinity like $|x|^{-\gamma}$, for $\gamma\in [0,2)$, and is allowed to be singular at the origin. In particular we show local-in-time…

偏微分方程分析 · 数学 2022-06-22 Matteo Muratori , Troy Petitt

The paper studies the global existence and general decay of solutions using Lyaponov functional for a nonlinear wave equation, taking into account the fractional derivative boundary condition and memory term. In addition, we establish the…

偏微分方程分析 · 数学 2020-07-01 Salah Boulaaras , Fares Kamache , Youcef Bouizem , Rafik Guefaifia

This article is concerned with a conjecture by one of the authors on the formation of dispersive shocks in a class of Hamiltonian dispersive regularizations of the quasilinear transport equation. The regularizations are characterized by two…

数学物理 · 物理学 2011-01-04 B. Dubrovin , T. Grava , C. Klein

We consider the semilinear heat equation, to which we add a nonlinear gradient term, with a critical power. We construct a solution which blows up in finite time. We also give a sharp description of its blow-up profile. The proof relies on…

偏微分方程分析 · 数学 2016-10-06 Slim Tayachi , Hatem Zaag

Many central problems in geometry, topology, and mathematical physics lead to questions concerning the long-time dynamics of solutions to ordinary and partial differential equations. Examples range from the Einstein field equations of…

The well-posedness of the growth-coagulation equation is established for coagulation kernels having singularity near the origin and growing atmost linearly at infinity. The existence of weak solutions is shown by means of the method of the…

偏微分方程分析 · 数学 2024-08-06 Ankik Kumar Giri , Philippe Laurençot , Saroj Si

We consider a variational problem with boundary singularity and Dirichlet condition. We give a blow-up analysis for sequences of solutions of an equation with exponential nonlinearity. Also, we derive a compactness criterion under some…

偏微分方程分析 · 数学 2018-10-26 Samy Skander Bahoura

We study a two-point free boundary problem in a sector for a quasilinear parabolic equation. The boundary conditions are assumed to be spatially and temporally "self-similar" in a special way. We prove the existence, uniqueness and…

偏微分方程分析 · 数学 2014-06-19 Bendong Lou

This article is devoted to the study of existence of a mass conserving global solution for the collision-induced nonlinear fragmentation model which arises in particulate processes, with the singular type of collision kernel. The above…

偏微分方程分析 · 数学 2022-01-27 Debdulal Ghosh , Jayanta Paul , Jitendra Kumar

In this work we construct global unique solutions of the dissipative Surface quasi-geostrophic equation ($\alpha$-SQG) that lose regularity instantly when there is super-critical fractional diffusion.

偏微分方程分析 · 数学 2024-09-27 Diego Córdoba , Luis Martínez-Zoroa

In this paper, we investigate the solutions for a generalized fractional diffusion equation that extends some known diffusion equations by taking a spatial time-dependent diffusion coefficient and an external force into account, which…

数学物理 · 物理学 2012-01-12 Long-jin Lv , Jian-Bin Xiao , Lin Zhang

In this paper, a partial integro-differential equation modeling of coagulation and multiple fragmentation events is studied. Our purpose is to investigate the global existence of gelling weak solutions to the continuous coagulation and…

偏微分方程分析 · 数学 2019-11-05 Prasanta Kumar Barik

We consider a functional semilinear Rayleigh-Stokes equation involving fractional derivative. Our aim is to analyze some circumstances, in those the global solvability and some results on asymptotic behavior of solutions take place. By…

偏微分方程分析 · 数学 2021-03-30 Ke Tran Dinh , Lan Do , Tuan Pham Thanh

This paper is devoted to the numerical analysis of a control constrained distributed optimal control problem subject to a time fractional diffusion equation with non-smooth initial data. The solutions of state and co-state are decomposed…

数值分析 · 数学 2020-10-06 Tao Wang , Binjie Li , Xiaoping Xie

The multiplicative non-linearity term is usually assumed to be globally Lipschitz in most results on SPDEs. This work proves that the solutions fail to exist if the non-linearity term grows faster than linear growth. The global…

We study the existence of weak solutions of a generalized Gross-Pitaewskii equation, with time and space dependent coefficients that could blow up or vanish asymptotically in time, with initial data not necessarily segregated. We also study…

偏微分方程分析 · 数学 2025-11-10 Federico Lai

In this work, we explore both the ordinary $q$-Gaussian distribution and a new one defined here, determining both their mean and variance, and we use them to construct solutions of the $q$-deformed diffusion differential equation. This…

统计力学 · 物理学 2025-09-17 Won Sang Chung , L. M. Nieto , Soroush Zare , Hassan Hassanabadi

A model of the thin shell expanding into a uniform ambient medium is developed. Density perturbations are described using equations with linear and quadratic terms, and the linear and the nonlinear solutions are compared. We follow the time…

天体物理学 · 物理学 2007-05-23 R. Wunsch , J. Palous

We study a self-similar fragmentation process with dislocation measure $\nu$ and self-similarity index $\alpha > 0$. Let $e^{-m_t}$ denote the size of the largest fragment at time $t \geq 0$. For dislocation measures satisfying a regularity…

概率论 · 数学 2026-03-12 Piotr Dyszewski , Samuel G. G. Johnston , Sandra Palau , Joscha Prochno