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Related papers: Positive solutions for anisotropic discrete BVP

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Using critical point theory methods we undertake the existence and multiplicity of solutions for discrete anisotropic two-point boundary value problems.

Classical Analysis and ODEs · Mathematics 2016-08-14 Marek Galewski , Szymon Głąb

Using the direct method of the calculus of variations we investigate the existence, uniqueness and continuous dependence on parameters for solutions of second order discrete anisotropic equations with Dirichlet boundary conditions.

Classical Analysis and ODEs · Mathematics 2012-12-07 Marek Galewski

We study a Dirichlet boundary value problem associated to an anisotropic differential operator on a smooth bounded of $\Bbb R^N$. Our main result establishes the existence of at least two different non-negative solutions, provided a certain…

Analysis of PDEs · Mathematics 2009-11-11 Mihai Mihailescu , Vicentiu Radulescu

We investigate the existence and multiplicity of solutions for higher order discrete boundary value problems via critical point theory.

Classical Analysis and ODEs · Mathematics 2011-11-23 Mikołaj Pepłoński

We investigate the existence and multiplicity of solutions for fourth order discrete boundary value problems via critical point theory.

Classical Analysis and ODEs · Mathematics 2013-07-17 Mikolaj Peplonski

This paper investigates the existence of positive solutions for regular discrete second-order single-variable boundary value problems with mixed boundary conditions, including a nonhomogeneous Dirichlet boundary condition, of the form:…

Classical Analysis and ODEs · Mathematics 2025-06-23 Shalmali Bandyopadhyay , Kyle Byassee , Curt Lynch

We demonstrate how the solution to an exterior Dirichlet boundary value problem of the axisymmetric, stationary Einstein equations can be found in terms of generalized solutions of the Backlund type. The proof that this generalization…

General Relativity and Quantum Cosmology · Physics 2016-08-16 Marcus Ansorg , Andreas Kleinwächter , Reinhard Meinel , Gernot Neugebauer

In this paper we prove the~existence of two non-trivial weak solutions of Dirichlet boundary value problem for p-Laplacian problem with a~singular part and two disturbances satisfying the~proper assumptions. The~abstract existence result we…

Analysis of PDEs · Mathematics 2016-07-06 Piotr Kowalski , Joanna Piwnik

In this note we derive a type of a three critical point theorem which we further apply to investigate the multiplicity of solutions to discrete anisotropic problems with two parameters.

Classical Analysis and ODEs · Mathematics 2013-06-10 Marek Galewski , Piotr Kowalski

This paper is devoted to derive some necessary and suficient conditions for the existence of positive solutions to a singular second order system of dynamic equations with Dirichlet boundary conditions. The results are obtained by employing…

Classical Analysis and ODEs · Mathematics 2013-02-25 Ariadna Lago , Victoria Otero-Espinar , Tania Pernas-Castaño

Two-point boundary value problems for a discrete Ermakov-Painlev\'e II equation are analysed by means of topological methods. In addition, an alternative variational approach is detailed. Existence of solutions is established for…

Classical Analysis and ODEs · Mathematics 2025-08-13 Pablo Amster , Colin Rogers

We discuss the solvability of a parameter dependent cantilever-type boundary value problem. We provide an existence and localization result for the positive solutions via a Birkhoff-Kellogg type theorem. We also obtain, under additional…

Classical Analysis and ODEs · Mathematics 2024-02-09 Gennaro Infante

In this paper we consider a Dirichlet problem driven by an anisotropic $(p,q)$-differential operator and a parametric reaction having the competing effects of a singular term and of a superlinear perturbation. We prove a bifurcation-type…

Analysis of PDEs · Mathematics 2021-01-18 Nikolaos S. Papageorgiou , Patrick Winkert

A Dirichlet problem is considered for the eikonal equation in an anisotropic medium. The nonlinear boundary value problem (BVP) formulated in the present work is the limit of the diffusion-reaction problem with a reaction parameter tending…

Numerical Analysis · Computer Science 2018-02-20 Alexander G. Churbanov , Petr N. Vabishchevich

We prove existence of positive solutions to a boundary value problem depending on discrete fractional operators. Then, corresponding discrete fractional Lyapunov-type inequalities are obtained.

Classical Analysis and ODEs · Mathematics 2017-10-13 Amar Chidouh , Delfim F. M. Torres

In this paper, we consider Dirichlet boundary value problem involving the anisotropic $p(x)$-Laplacian, where $p(x)= (p_1(x), ..., p_n(x))$, with $p_i(x)> 1$ in $\overline{\Omega}$. Using the topological degree constructed by Berkovits, we…

Analysis of PDEs · Mathematics 2024-11-06 Pablo Ochoa , Analía Silva , Federico Valverde

We establish several results related to existence, nonexistence or bifurcation of positive solutions for a Dirichlet boundary value problem with in a smooth bounded domain. The main feature of this paper consists in the presence of a…

Analysis of PDEs · Mathematics 2015-06-26 Marius Ghergu , Vicentiu Radulescu

In this paper, by using Krasnoselskii's fixed point theorem in a cone, we study the existence of single and multiple positive solutions to the three-point integral boundary value problem (BVP) \begin{equation*} \label{eq-1} \begin{gathered}…

Classical Analysis and ODEs · Mathematics 2015-08-20 Faouzi Haddouchi

We use the direct variational method, the Ekeland variational principle, the mountain pass geometry and Karush-Kuhn-Tucker theorem in order to investigate existence and multiplicity results for boundary value problems connected with the…

Classical Analysis and ODEs · Mathematics 2016-06-01 Marek Galewski , Renata Wieteska

Using direct variational method we consider the existence of non-spurious solutions to the following Dirichlet problem $\ddot{x}\left( t\right) =f\left( t,x\left( t\right) \right) $, $x\left( 0\right) =x\left( 1\right) =0 $ where $f:\left[…

Classical Analysis and ODEs · Mathematics 2015-03-09 Marek Galewski , Ewa Schmeidel
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