Results 1 to 10 of about 232 (181)

Subsolution theorem and the Dirichlet problem for the quaternionic Monge–Ampère equation [PDF]

open access: yesMathematische Zeitschrift, 2020
In this paper, the author studies quaternionic Monge-Ampère equations and obtain the existence of the solutions to the Dirichlet problem for such equations in strictly pesudoconvex domains in quaternionic space. The stability and subsolution theorems are established for quaternionic Monge-Ampère equations.
Dongrui Wan
exaly   +3 more sources

The Hölder continuous subsolution theorem for complex Hessian equations [PDF]

open access: yesJournal De L'Ecole Polytechnique - Mathematiques, 2020
Let Ω ⋐ ℂ n be a bounded strongly
Benali, Amel, Zeriahi, Ahmed
exaly   +5 more sources

A Refined Subsolution Estimate of Weak Subsolutions to Second Order Linear Elliptic Equations with a Singular Vector Field [PDF]

open access: yesTokyo Journal of Mathematics, 2015
We consider second order linear elliptic equations $ - \div (A(x) \nabla u) + \mathbf{b}(x) \cdot \nabla u = 0$ with a singular vector field $\mathbf{b}$. We prove a refined subsolution estimate, which contains a precise dependence of the quantities of $\mathbf{b}$, for weak subsolutions and a weak Harnack inequality for weak supersolutions under ...
Takanobu Hara
exaly   +3 more sources

A subsolution-supersolution method for quasilinear systems

open access: yesElectronic Journal of Differential Equations, 2005
Assuming that a system of quasilinear equations of gradient type admits a strict supersolution and a strict subsolution, we show that it also admits a positive solution.
Dimitrios A. Kandilakis   +1 more
doaj   +2 more sources

On the theory of entropy suband supersolutions of nonlinear degenerate parabolic equations

open access: yesСовременная математика: Фундаментальные направления, 2023
We consider a second-order nonlinear degenerate anisotropic parabolic equation in the case when the flux vector is only continuous and the nonnegative diffusion matrix is bounded and measurable.
E. Yu. Panov
doaj   +1 more source

Self-antidual extensions and subsolutions

open access: yesMathematical Social Sciences, 2021
zbMATH Open Web Interface contents unavailable due to conflicting licenses.
Bas J. Dietzenbacher, Elena Yanovskaya
openaire   +3 more sources

The Richberg technique for subsolutions [PDF]

open access: yesCommunications in Analysis and Geometry, 2020
This note adapts the sophisticated Richberg technique for approximation in pluripotential theory to the $F$-potential theory associated to a general nonlinear convex subequation $F \subset J^2(X)$ on a manifold $X$. The main theorem is the following "local to global" result.
Harvey, Reese   +2 more
openaire   +3 more sources

Nonlinear parabolic equation having nonstandard growth condition with respect to the gradient and variable exponent [PDF]

open access: yesOpuscula Mathematica, 2021
We are concerned with the existence of solutions to a class of quasilinear parabolic equations having critical growth nonlinearity with respect to the gradient and variable exponent.
Abderrahim Charkaoui   +2 more
doaj   +1 more source

Tangents to subsolutions: existence and uniqueness, Part I [PDF]

open access: yesAnnales de la Faculté des sciences de Toulouse : Mathématiques, 2017
There is an interesting potential theory associated to each degenerate elliptic, fully nonlinear equation f ( D 2 u
Harvey, F. Reese, Lawson, H. Blaine
openaire   +5 more sources

A note on a weak subsolution

open access: yesProceedings of the Japan Academy Series A: Mathematical Sciences, 1963
exaly   +4 more sources

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