Results 21 to 30 of about 1,150,426 (301)

Boundary pointwise regularity and Liouville theorems for fully nonlinear equations on cones [PDF]

open access: yes, 2022
In this paper, we prove a boundary pointwise regularity for fully nonlinear elliptic equations on cones.
Lian, Yuanyuan
core   +1 more source

An Induction Theorem and Nonlinear Regularity Models

open access: yesSIAM Journal on Optimization, 2015
A general nonlinear regularity model for a set-valued mapping $F:X\times\mathbb{R}_+\rightrightarrows Y$, where $X$ and $Y$ are metric spaces, is studied using special iteration procedures, going back to Banach, Schauder, Lyusternik, and Graves. Namely, we revise the induction theorem from Khanh [J. Math. Anal. Appl., 118 (1986), pp.
Phan Quoc Khanh   +2 more
openaire   +6 more sources

Regularized Numerical Methods for the Nonlinear Schrödinger Equation with Singular Nonlinearity

open access: yesEast Asian Journal on Applied Mathematics, 2023
We present different regularizations and numerical methods for the nonlinear Schrödinger equation with singular nonlinearity (sNLSE) including the regularized Lie-Trotter time-splitting (LTTS) methods and regularized Lawson-type exponential integrator (LTEI) methods. Due to the blowup of the singular nonlinearity, i.e., $f(ρ)=ρ^α$ with a fixed exponent
Weizhu Bao, Yue Feng, Ying Ma
openaire   +3 more sources

On global regularity of 2D generalized magnetohydrodynamic equations [PDF]

open access: yes, 2013
In this article we study the global regularity of 2D generalized magnetohydrodynamic equations (2D GMHD), in which the dissipation terms are –ν(–Δ)αu and –κ(–Δ)βb. We show that smooth solutions are global in the following three cases: α≥1/2, β≥1; 0≤α≤1/2,
Tran, Chuong Van   +3 more
core   +1 more source

Optimal partial regularity for very weak solutions to a class of nonlinear elliptic systems

open access: yesJournal of Inequalities and Applications, 2023
We consider optimal partial regularity for very weak solutions to a class of nonlinear elliptic systems and obtain the general criterion for a very weak solution to be regular in the neighborhood of a given point.
Shuhong Chen, Zhong Tan
doaj   +1 more source

A note on regularity for nonlinear elliptic systems [PDF]

open access: yes, 2000
summary:The $L^{2,\lambda }$ - regularity of the gradient of weak solutions to nonlinear elliptic systems is ...
Daněček, Josef, Viszus, Eugen
core   +1 more source

Positive solutions for nonlinear Robin problems with convection

open access: yesScience, Technology and Innovation, 2021
We consider a Robin problem driven by the p-Laplacian and with a reaction which is gradient dependent (convection). Using truncations and perturbations, we show that the problem has at least one positive smooth solution.
Leszek Gasiński, Nikolaos Papageorgiou
doaj   +1 more source

A multiplicity theorem for parametric superlinear (p,q)-equations [PDF]

open access: yesOpuscula Mathematica, 2020
We consider a parametric nonlinear Robin problem driven by the sum of a \(p\)-Laplacian and of a \(q\)-Laplacian (\((p,q)\)-equation). The reaction term is \((p-1)\)-superlinear but need not satisfy the Ambrosetti-Rabinowitz condition.
Florin-Iulian Onete   +2 more
doaj   +1 more source

Higher-Order Linearization and Regularity in Nonlinear Homogenization [PDF]

open access: yesArchive for Rational Mechanics and Analysis, 2020
AbstractWe prove large-scale $$C^\infty $$C∞ regularity for solutions of nonlinear elliptic equations with random coefficients, thereby obtaining a version of the statement of Hilbert’s 19th problem in the context of homogenization. The analysis proceeds by iteratively improving three statements together: (i) the regularity of the homogenized ...
Armstrong, Scott   +2 more
openaire   +4 more sources

Solutions of Smooth Nonlinear Partial Differential Equations

open access: yesAbstract and Applied Analysis, 2011
The method of order completion provides a general and type-independent theory for the existence and basic regularity of the solutions of large classes of systems of nonlinear partial differential equations (PDEs). Recently, the application of convergence
Jan Harm van der Walt
doaj   +1 more source

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