Results 11 to 20 of about 1,410,787 (301)

Integrable Anisotropic Evolution Equations on a Sphere [PDF]

open access: yesSymmetry, Integrability and Geometry: Methods and Applications, 2005
V.V. Sokolov's modifying symmetry approach is applied to anisotropic evolution equations of the third order on the n-dimensional sphere. The main result is a complete classification of such equations.
Anatoly G. Meshkov, Maxim Ju. Balakhnev
doaj   +6 more sources

A Liouville type theorem for a class of anisotropic equations

open access: yesAnalele Stiintifice ale Universitatii Ovidius Constanta: Seria Matematica, 2016
In this paper we are dealing with entire solutions of a general class of anisotropic equations. Under some appropriate conditions on the data, we show that the corresponding equations cannot have non-trivial positive solutions bounded from above.
Barbu Luminiţa, Enache Cristian
doaj   +2 more sources

A Variational Approach to Perturbed Discrete Anisotropic Equations [PDF]

open access: yesAbstract and Applied Analysis, 2016
We continue the study of discrete anisotropic equations and we will provide new multiplicity results of the solutions for a discrete anisotropic equation.
Amjad Salari   +3 more
doaj   +2 more sources

Nonlinear anisotropic parabolic equations in Lm

open access: yesArab Journal of Mathematical Sciences, 2014
In this paper, we give a result of regularity of weak solutions for a class of nonlinear anisotropic parabolic equations with lower-order term when the right-hand side is an Lm function, with m being ”small”.
Fares Mokhtari
doaj   +3 more sources

The anisotropic averaged Euler equations

open access: yes, 2000
The purpose of this paper is to derive the anisotropic averaged Euler equations and to study their geometric and analytic properties. These new equations involve the evolution of a mean velocity field and an advected symmetric tensor that captures the fluctuation effects.
Marsden, Jerrold E., Shkoller, Steve
core   +6 more sources

Anisotropic fast diffusion equations

open access: yesNonlinear Analysis, 2023
62 pages. Typos corrected, references added, text provided with very detailed proofs.
Feo F., Vázquez J. L., Volzone B.
openaire   +3 more sources

INTEGRAL EQUATIONS FOR ANISOTROPIC SCATTERERS.

open access: yes, 2014
INTEGRAL EQUATIONS FOR ANISOTROPIC ...
ROBERTO DOMENICO. GRAGLIA (7978829)
core   +4 more sources

On a class of singular anisotropic (p, q)-equations [PDF]

open access: yesRevista Matemática Complutense, 2021
AbstractWe consider a Dirichlet problem driven by the anisotropic (p, q)-Laplacian and with a reaction that has the competing effects of a singular term and of a parametric superlinear perturbation. Based on variational tools along with truncation and comparison techniques, we prove a bifurcation-type result describing the changes in the set of ...
Nikolaos S. Papageorgiou   +1 more
openaire   +3 more sources

An Existence Result for Discrete Anisotropic Equations [PDF]

open access: yesTaiwanese Journal of Mathematics, 2018
zbMATH Open Web Interface contents unavailable due to conflicting licenses.
Heidarkhani, Shapour   +2 more
openaire   +3 more sources

Anisotropic parabolic equations with variable nonlinearity [PDF]

open access: yesPublicacions Matemàtiques, 2009
We study the Dirichlet problem for a class of nonlinear parabolic equations with nonstandard anisotropic growth conditions. Equations of this class generalize the evolutional p(x, t)-Laplacian. We prove theorems of existence and uniqueness of weak solutions in suitable Orlicz-Sobolev spaces, derive global and local in time L∞ bounds for the weak ...
Antontsev, S., Shmarev, S.
openaire   +6 more sources

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