Results 11 to 20 of about 1,211,085 (119)

On the Fredholm Alternative for the Fučík Spectrum

open access: yesAbstract and Applied Analysis, 2010
We consider resonance problems for the one-dimensional p-Laplacian assuming Dirichlet boundary conditions. In particular, we consider resonance problems associated with the first three curves of the Fučík Spectrum.
Pavel Drábek, Stephen B. Robinson
doaj   +2 more sources

On the First Curve in the FučiK Spectrum with Weights for a Mixed p-Laplacian

open access: yesInternational Journal of Mathematics and Mathematical Sciences, 2007
We show the existence of a first curve in the Fučik spectrum with weights for the p-Laplacian under mixed boundary conditions. We also study the asymptotic behavior of this first curve.
Liamidi Leadi, Aboubacar Marcos
doaj   +2 more sources

On the Fucik spectrum for elliptic systems

open access: yes, 2006
We propose an extension of the concept of Fucik spectrum to the case of coupled systems of two elliptic equations, we study its structure and some applications. We show that near a simple eigenvalue of the system, the Fucik spectrum consists (after a suitable reparametrization) of two (maybe coincident) 2-dimensional surfaces.
E. Massa, B.Ruf
core   +5 more sources

Resonance problems with respect to the Fucik spectrum of the p-Laplacian [PDF]

open access: yesElectronic Journal of Differential Equations, 2002
We solve resonance problems with respect to the Fucik spectrum of the $p$-Laplacian using variational methods.
Kanishka Perera
doaj   +3 more sources

Basisness of Fucik eigenfunctions for the Dirichlet Laplacian [PDF]

open access: yesElectronic Journal of Differential Equations, 2022
We provide improved sufficient assumptions on sequences of Fucik eigenvaluesof the one-dimensional Dirichlet Laplacian which guarantee that the corresponding Fucik eigenfunctions form a Riesz basis in \(L^2(0,\pi)\) .
Falko Baustian, Vladimir Bobkov
doaj   +2 more sources

Various Half‐Eigenvalues of Scalar p‐Laplacian with Indefinite Integrable Weights

open access: yesAbstract and Applied Analysis, Volume 2009, Issue 1, 2009., 2009
Consider the half‐eigenvalue problem (ϕp(x′))′+λa(t)ϕp(x+)−λb(t)ϕp(x−)=0 a.e. t ∈ [0, 1], where 1 < p < ∞, ϕp(x) = |x|p−2x, x±(⋅) = max {±x(⋅), 0} for x ∈ 𝒞0 : = C([0, 1], ℝ), and a(t) and b(t) are indefinite integrable weights in the Lebesgue space ℒγ : = Lγ([0, 1], ℝ), 1 ≤ γ ≤ ∞.
Wei Li, Ping Yan, Pavel Drabek
wiley   +4 more sources

Generic properties of the Fucik spectrum of elliptic operators

open access: yesProceedings of the Royal Society of Edinburgh: Section A Mathematics, 2000
Given a bounded smooth domain Ω ⊂ Rn, n ≥ 2, and a second-order elliptic self-adjoint operator A on Ω, the set of points (α, β) ∈ R2 for which the problem Au = αu+ − βu- in Ω, u = 0 on ∂Ω (where u± = max{±u, 0}), has a non-trivial solution is called the Fucik spectrum of A.
Rynne, B. P.; id_orcid
openaire   +3 more sources

An extended variational characterization of the Fučík Spectrum for the p-Laplace operator

open access: yesCalculus of Variations and Partial Differential Equations, 2020
The authors investigate the Fučík spectrum \(\Sigma\) of the \(p\)-Laplacian, i.e., pairs of parameters \(\alpha\) and \(\beta\) for which the zero Dirichlet problem for the equation \(-\Delta_p u = \alpha |u|^{p-2} u^+ - \beta |u|^{p-2} u^-\) in a bounded domain \(\Omega\) has a nontrivial solution.
Drábek, Pavel, Robinson, Stephen B.
openaire   +5 more sources

First curve of Fucik spectrum for the p-fractional Laplacian operator with nonlocal normal boundary conditions

open access: yesElectronic Journal of Differential Equations, 2018
In this article, we study the Fucik spectrum of the p-fractional Laplace operator with nonlocal normal derivative conditions which is defined as the set of all $(a,b)\in\mathbb{R}^2$ such that $$\displaylines{ \Lambda_{n,p}(1-\alpha)(-\Delta)_{p ...
Divya Goel   +2 more
doaj   +1 more source

The Fucik spectra for multi-point boundary-value problems

open access: yesElectronic Journal of Differential Equations, 2010
We study the structure of the Fucik spectra for the linear multi-point differential operators. We introduce a variational approach in order to obtain a robust and global algorithm which is suitable for the exploration of unknown Fucik spectrum ...
Gabriela Holubova, Petr Necesal
doaj   +1 more source

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