Results 21 to 30 of about 74 (52)

Keller-Osserman estimates for some quasilinear elliptic systems [PDF]

, 2013
In this article we study quasilinear multipower systems of two equations of two types, in a domain $\Omega$ of R^{N} : with absorption terms, or mixed terms. Despite of the lack of comparison principle, we prove a priori estimates of Keller-Osserman type.
Bidaut-Véron, Marie-Françoise, Garcia-Huidobro, Marta, Yarur, Cecilia   +2 more
core   +5 more sources

A study of solutions for several classes of systems of complex nonlinear partial differential difference equations in ℂ2

Demonstratio Mathematica
This article is devoted to describing the entire solutions of several systems of the first-order nonlinear partial differential difference equations (PDDEs).
Jiao Xin, Chen Yu Bin, Xu Hong Yan
doaj   +1 more source

Study on solutions of the systems of complex product-type PDEs with more general forms in ℂ2

Open Mathematics
With the help of the Nevanlinna theory and the Hadamard factorization theory of meromorphic functions, we mainly give a description of the existence and the forms of the transcendental entire solutions of several product-type complex partial differential
Li Hong, Luo Zhao Sheng, Xu Hong Yan
doaj   +1 more source

Error estimates of deep learning methods for the nonstationary Magneto-hydrodynamics equations

, 2023
In this study, we prove rigourous bounds on the error and stability analysis of deep learning methods for the nonstationary Magneto-hydrodynamics equations. We obtain the approximate ability of the neural network by the convergence of a loss function and
Qiu, Hailong
core  

Solutions of several general quadratic partial differential-difference equations in ℂ2

Demonstratio Mathematica
In this article, we have introduced general transformation to solving the general quadratic equations. It is of interest to know about the existence and form of the solutions of general quadratic functional equations.
Ahamed Molla Basir, Mandal Sanju
doaj   +1 more source

On a class of special Euler-Lagrange equations

, 2022
We make some remarks on the Euler-Lagrange equation of energy functional $I(u)=\int_\Omega f(\det Du)\,dx,$ where $f\in C^1(\mathbb R).$ For certain weak solutions $u$ we show that the function $f'(\det Du)$ must be a constant over the domain $\Omega ...
Yan, Baisheng
core  

Liouville theorems of solutions to mixed order Hénon-Hardy type system with exponential nonlinearity

Advanced Nonlinear Studies
In this paper, we are concerned with the Hénon-Hardy type systems with exponential nonlinearity on a half space R+2 ${\mathbb{R}}_{+}^{2}$ : (−Δ)α2u(x)=|x|aup1(x)eq1v(x),x∈R+2,(−Δ)v(x)=|x|bup2(x)eq2v(x),x∈R+2, $\begin{cases}{\left(-{\Delta}\right ...
Dai Wei, Peng Shaolong
doaj   +1 more source

Steady euler flows with large vorticity and characteristic discontinuities in arbitrary infinitely long nozzles [PDF]

, 2019
We establish the existence and uniqueness of smooth solutions with large vorticity and weak solutions with vortex sheets/entropy waves for the steady Euler equations for both compressible and incompressible fluids in arbitrary infinitely long nozzles. We
Chen, Gui-Qiang, Huang, F-M, Wang, T-Y, Xiang, W   +3 more
core   +3 more sources

Solitary and Periodic Exact Solutions Of the Viscosity-capillarity van der Waals Gas Equations [PDF]

, 2019
Periodic and soliton solutions are derived for the (1+1)-dimensional van der Waals gas system in the viscosity-capillarity regularization form. The system is handled via the e-φ(ξ) -expansion method.
Az-Zo’bi, Emad A.
core   +1 more source

Thermalization of a rarefied gas with total energy conservation: existence, hypocoercivity, macroscopic limit

, 2021
The thermalization of a gas towards a Maxwellian velocity distribution with the background temperature is described by a kinetic relaxation model. The sum of the kinetic energy of the gas and the thermal energy of the background are conserved, and the ...
Favre, Gianluca, Pirner, Marlies, Schmeiser, Christian   +2 more
core