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Some fundamental solutions of radial type for a class of iterated elliptic singular equations including the iterated Euler equation are given.

Analysis of PDEs · Mathematics 2007-07-16 A. Cetinkaya , N. Ozalp

Polynomial dynamical systems describing interacting particles in the plane are studied. A method replacing integration of a polynomial multi--particle dynamical system by finding polynomial solutions of a partial differential equations is…

Exactly Solvable and Integrable Systems · Physics 2014-07-08 Maria V. Demina , Nikolai A. Kudryashov

In this paper, the exact solutions of certain non-linear differential equations defined on a fractal subset of the real line are presented. Particular attention is paid to the Riccati-type fractal differential equation, for which a…

General Mathematics · Mathematics 2025-11-04 Donatella Bongiornoa , Alireza Khalili Golmankhanehb

This article sets forth results on the existence, a priori estimates and boundedness of positive solutions of a singular quasilinear systems of elliptic equations involving variable exponents. The approach is based on Schauder's fixed point…

Analysis of PDEs · Mathematics 2017-07-28 Abdelkrim Moussaoui , Jean Vélin

Existence of nodal (i.e., sign changing) solutions and constant sign solutions for quasilinear elliptic equations involving convection-absorption terms are presented. A location principle for nodal solutions is obtained by means of constant…

Analysis of PDEs · Mathematics 2023-04-04 Abdelkrim Moussaoui , Kamel Saoudi

A general sufficient condition for the convergence of subsequences of solutions of non-autonomous, nonlinear difference equations and systems is obtained. For higher order equations the delay sizes and patterns play essential roles in…

Dynamical Systems · Mathematics 2017-07-25 H. Sedaghat

This course introduces the use of semigroup methods in the solution of linear and nonlinear (quasi-linear) hyperbolic partial differential equations, with particular application to wave equations and Hermitian hyperbolic systems. Throughout…

General Relativity and Quantum Cosmology · Physics 2007-05-23 Horst R. Beyer

In this paper, we prove the existence of separable solutions to the equations of motion for self-gravitating hyperelastic matter, under an appropriate class of constitutive assumptions on the strain-energy function. Our framework includes…

Analysis of PDEs · Mathematics 2025-06-04 Juhi Jang , Trevor M. Leslie

We propose a new regularization method for constructing a shock wave type solution with nonsmooth front (interaction of shock waves) for quasilinear equations in the one-dimensional case.

Mathematical Physics · Physics 2007-05-23 Vladimir G. Danilov , Vladimir M. Shelkovich

We study solutions to conformally invariant equations with isolated singularties.

Analysis of PDEs · Mathematics 2007-05-23 YanYan Li

This paper is concerned with the strong solution to the Cauchy-Dirichlet problem for backward stochastic partial differential equations of parabolic type. Existence and uniqueness theorems are obtained, due to an application of the…

Probability · Mathematics 2010-06-14 Kai Du , Shanjian Tang

Some of recent developments, including recent results, ideas, techniques, and approaches, in the study of degenerate partial differential equations are surveyed and analyzed. Several examples of nonlinear degenerate, even mixed, partial…

Analysis of PDEs · Mathematics 2015-03-17 Gui-Qiang G. Chen

We consider the formation of finite-time quenching singularities for solutions of semi-linear wave equations with negative power nonlinearities, as can model micro-electro-mechanical systems (MEMS). For radial initial data we obtain,…

Analysis of PDEs · Mathematics 2022-12-02 Heiko Gimperlein , Runan He , Andrew A. Lacey

Explicit solutions are obtained for a class of semilinear radial Schrodinger equations with power nonlinearities in multi-dimensions. These solutions include new similarity solutions and other new group-invariant solutions, as well as new…

Mathematical Physics · Physics 2016-09-09 Stephen C. Anco , Wei Feng , Thomas Wolf

This work deals with the existence of an almost periodic solution for certain kind of differential equations with generalized piecewise constant argument, almost periodic coefficients which are seen as a perturbation of a linear equation of…

Dynamical Systems · Mathematics 2014-01-03 Samuel Castillo , Manuel Pinto

In this study, a recursive solution technique in conjunction with generalized integrating factors is presented and applied to address first and second order linear differential equations. This approach demonstrates practical utility in…

Mathematical Physics · Physics 2025-03-03 Everardo Rivera-Oliva

In this paper, we study a class of quasilinear Schr\"{o}dinger equation of the form $$-\varepsilon^2\Delta u+V(x)u-\varepsilon^2(\Delta(|u|^{2\alpha}))|u|^{2\alpha-2}u &=&\lambda|u|^{q-2}u+|u|^{2^*(2\alpha)-2}u,\quad\mbox{in}{\mathbb{R}}^N,…

Analysis of PDEs · Mathematics 2013-06-21 Zhouxin Li , Yimin Zhang

In this paper we show that an arbitrary solution of one ordinary difference equation is also a solution for a hierarchy of integrable difference equations. We also provide an example of such a solution that is related to sequence generated…

Exactly Solvable and Integrable Systems · Physics 2022-01-25 Andrei K. Svinin

The existence and multiplicity of solutions to a quasilinear, elliptic partial differential equation (PDE) with singular non-linearity is analyzed. The PDE is a recently derived variant of a canonical model used in the modeling of…

Analysis of PDEs · Mathematics 2011-11-02 Nicholas D. Brubaker , Alan E. Lindsay

In this paper we look for solutions of a semilinear Maxwell type equation, in even dimension, greater than four. These solutions are critical points of a functional which is strongly degenerate because of the presence of the exterior…

Analysis of PDEs · Mathematics 2007-05-23 Antonio Azzollini