Results 11 to 20 of about 5,769 (217)

On sampling theory and basic Sturm–Liouville systems

open access: yesJournal of Computational and Applied Mathematics, 2007
The authors consider the basic Sturm-Liouville problem involving the second order \(q\)-difference equation with \(q\)-Jackson difference operator. The main purpose of this paper is to derive some \(q\)-analogs of the results for the ``classical'' Sturm-Liouville problem, i.e., involving the differential equation.
Annaby, M. H.   +2 more
core   +4 more sources

Spectral theory of Sturm–Liouville difference operators

open access: yesLinear Algebra and its Applications, 2009
This paper deals with eigenvalue problems for the discrete Sturm-Liouville problem \[ -\Delta(f\Delta y)(n)+q(n)y(n)=\lambda w(n)y(n) \] for \(n=1,\dots,k\). The authors present several classes of explicit self-adjoint Sturm-Liouville difference operator with either a non-Hermitian leading coefficient function, or a non-Hermitian potential function, or
Shi, Guoliang, Wu, Hongyou
openaire   +2 more sources

A counterexample in Sturm–Liouville completeness theory

open access: yesProceedings of the Royal Society of Edinburgh: Section A Mathematics, 2004
We give an example of an indefinite weight Sturm-Liouville problem whose eigenfunctions form a Riesz basis under Dirichlet boundary conditions but not under anti-periodic boundary conditions.
Binding, Paul, Ćurgus, Branko
openaire   +4 more sources

Scattering theory of impulsive Sturm-Liouville equations

open access: yesFilomat, 2017
In this paper, we investigate scattering theory of the impulsive Sturm-Liouville boundary value problem (ISBVP). In particular, we find the Jost solution and the scattering function of this problem. We also study the properties of the Jost function and the scattering function of this ISBVP.
Öznur, Güler Başak   +2 more
openaire   +4 more sources

Fundamental Spectral Theory of Fractional Singular Sturm-Liouville Operator [PDF]

open access: yesJournal of Function Spaces and Applications, 2013
We give the theory of spectral properties for eigenvalues and eigenfunctions of Bessel type of fractional singular Sturm-Liouville problem. We show that the eigenvalues and eigenfunctions of the problem are real and orthogonal, respectively. Furthermore,
Erdal Bas
doaj   +4 more sources

Müntz sturm-liouville problems: Theory and numerical experiments [PDF]

open access: yesFractional Calculus and Applied Analysis, 2021
This paper presents two new classes of Müntz functions which are called Jacobi-Müntz functions of the first and second types. These newly generated functions satisfy in two self-adjoint fractional Sturm-Liouville problems and thus they have some spectral properties such as: orthogonality, completeness, three-term recurrence relations and so on.
Hassan Khosravian-Arab   +1 more
openaire   +3 more sources

The Regulator Problem to the Convection–Diffusion Equation

open access: yesMathematics, 2023
In this paper, from linear operator, semigroup and Sturm–Liouville problem theories, an abstract system model for the convection–diffusion (C–D) equation is proposed.
Andrés A. Ramírez, Francisco Jurado
doaj   +1 more source

Non-classical periodic boundary value problems with impulsive conditions

open access: yesJournal of New Results in Science, 2023
This study investigates some spectral properties of a new type of periodic Sturm-Liouville problem. The problem under consideration differs from the classical ones in that the differential equation is given on two disjoint segments that have a common end,
Sevda Nur Öztürk   +2 more
doaj   +1 more source

On the Finite Orthogonality of q-Pseudo-Jacobi Polynomials

open access: yesMathematics, 2020
Using the Sturm–Liouville theory in q-difference spaces, we prove the finite orthogonality of q-Pseudo Jacobi polynomials. Their norm square values are then explicitly computed by means of the Favard theorem.
Mohammad Masjed-Jamei   +3 more
doaj   +1 more source

Boundary value problems of quaternion-valued differential equations: solvability and Green’s function

open access: yesBoundary Value Problems, 2023
This paper is associated with Sturm–Liouville type boundary value problems and periodic boundary value problems for quaternion-valued differential equations (QDEs).
Jie Liu, Siyu Sun, Zhibo Cheng
doaj   +1 more source

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