English
Related papers

Related papers: Self-similar solutions with fat tails for a coagul…

200 papers

We study the existence of new features in lumplike solutions in models of a real scalar field in two dimensional flat spacetime. We present new models and field configurations that exhibit a non standard decay, shrinking or stretching the…

High Energy Physics - Theory · Physics 2019-01-29 M. A. Marques

We investigate existence and uniqueness of solutions for a class of nonlinear nonlocal problems involving the fractional $p$-Laplacian operator and singular nonlinearities.

Analysis of PDEs · Mathematics 2016-07-04 Annamaria Canino , Luigi Montoro , Berardino Sciunzi , Marco Squassina

We survey the various constructions of forward self-similar solutions (and generalizations of self-similar solutions) to the Navier-Stokes equations. We also include and prove an extension of a recent result from [7].

Analysis of PDEs · Mathematics 2018-02-02 Zachary Bradshaw , Tai-Peng Tsai

In this paper we study the phase of self-similar solutions to general Nonlinear Schr\"odinger equations. From this analysis we gain insight on the dynamics of nontrivial solutions and a deeper understanding of the way collective coordinate…

Pattern Formation and Solitons · Physics 2009-11-10 Victor M. Perez-Garcia

Existence of a specific family of \emph{eternal solutions} in exponential self-similar form is proved for the following porous medium equation with strong absorption $$\partial_t u-\Delta u^m+|x|^{\sigma}u^q = 0 \;\;\text{ in }\;\;…

Analysis of PDEs · Mathematics 2024-08-06 Razvan Gabriel Iagar , Philippe Laurençot , Ariel Sánchez

Extending the work of Jia and Sverak on self-similar solutions of the Navier-Stokes equations, we show the existence of large, forward, discretely self-similar solutions.

Analysis of PDEs · Mathematics 2013-11-06 Tai-Peng Tsai

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 consider a nonlinear 4th-order degenerate parabolic partial differential equation that arises in modelling the dynamics of an incompressible thin liquid film on the outer surface of a rotating horizontal cylinder in the presence of…

Analysis of PDEs · Mathematics 2009-10-30 Marina Chugunova , M. C. Pugh , R. M. Taranets

We provide the exact large-time behavior of the tail distribution of the extinction time of a self-similar fragmentation process with a negative index of self-similarity, improving thus a previous result on the logarithmic asymptotic…

Probability · Mathematics 2021-11-16 Bénédicte Haas

Self-similar solutions of the equations for the Burgers hierarchy are presented.

Exactly Solvable and Integrable Systems · Physics 2012-01-04 Nikolai A. Kudryashov

A nonlinear inequality is formulated in the paper. An estimate of the rate of growth/decay of solutions to this inequality is obtained. This inequality is of interest in a study of dynamical systems and nonlinear evolution equations. It can…

Classical Analysis and ODEs · Mathematics 2010-01-29 N. S. Hoang , A. G. Ramm

This paper is concerned with the existence and uniqueness of random periodic solutions for stochastic differential equations (SDEs), where the drift terms involved need not to be uniformly dissipative. On the one hand, via the reflection…

Probability · Mathematics 2025-05-28 Jianhai Bao , Yue Wu

We study the short-time dynamics of a liquid ligament, held between two solid cylinders, when one is impulsively accelerated along its axis. A set of one-dimensional equations in the slender-slope approximation is used to describe the…

Fluid Dynamics · Physics 2015-06-11 Laurent Duchemin , Stéphane Le Dizès , Lionel Vincent , Emmanuel Villermaux

We show that all nonnegative solutions of the critical semilinear elliptic equation involving the regional fractional Laplacian are locally universally bounded. This strongly contrasts with the standard fractional Laplacian case. Second, we…

Analysis of PDEs · Mathematics 2018-09-03 Miaomiao Niu , Zhipeng Peng , Jingang Xiong

We prove the nonexistence of local self-similar solutions of the three dimensional incompressible Navier-Stokes equations. The local self-similar solutions we consider here are different from the global self-similar solutions. The…

Analysis of PDEs · Mathematics 2007-05-23 Thomas Y. Hou , Ruo Li

We present general results on exponential decay of finite energy solutions to stationary nonlinear Schr\"odinger equations.

Analysis of PDEs · Mathematics 2007-05-23 A. Pankov

We consider a nonlocal aggregation equation with nonlinear diffusion which arises from the study of biological aggregation dynamics. As a degenerate parabolic problem, we prove the well-posedness, continuation criteria and smoothness of…

Mathematical Physics · Physics 2009-02-13 Dong Li , Xiaoyi Zhang

We deal with the existence of solutions having L2 regularity for a class of non autonomous evolution equations. Associated with the equation, a general non local condition is studied. The technique we used combines a finite dimensional…

Analysis of PDEs · Mathematics 2022-07-13 Vittorio Colao , Luigi Muglia

In this paper, we provide a systematic way of finding explicit solutions for a class of continuous fragmentation equations with growth or decay in the state space and derive explicit solutions in the cases of constant and linear…

Analysis of PDEs · Mathematics 2022-04-20 Jacek Banasiak , David Wetsi Poka , Sergey Shindin

In this work, we prove the existence of local convex solution to the degenerate Hessian equation

Analysis of PDEs · Mathematics 2017-09-14 Guji Tian , Chao-Jiang Xu