Numerical algorithms for inverse Sturm-Liouville problems

X Jiang, X Li, X Xu - Numerical Algorithms, 2022 - Springer
In this paper, two classical inverse spectral problems are investigated, namely, the inverse
second-order Sturm-Liouville problem and the inverse fourth-order Sturm-Liouville problem …

Eigenvalues and eigenfunctions of fourth-order Sturm-Liouville problems using Bernoulli series with Chebychev collocation points

M El-Gamel, W Adel, MS El-Azab - Mathematical Sciences, 2022 - Springer
A collocation method based on Bernoulli polynomial is developed to compute the
eigenvalues and eigenfunctions of some known fourth-order Sturm-Liouville problems …

[HTML][HTML] Modified Numerov's method for inverse Sturm–Liouville problems

Q Gao, X Cheng, Z Huang - Journal of computational and applied …, 2013 - Elsevier
In this paper, we propose a new modified Numerov's method for recovering from
eigenvalues a symmetric potential of a Sturm–Liouville operator with Dirichlet boundary …

Spline functions, the biharmonic operator and approximate eigenvalues

M Ben-Artzi, G Katriel - Numerische Mathematik, 2019 - Springer
The biharmonic operator plays a central role in a wide array of physical models, such as
elasticity theory and the streamfunction formulation of the Navier–Stokes equations. Its …

Solutions of direct and inverse even-order Sturm-Liouville problems using Magnus expansion

U Perera, C Böckmann - Mathematics, 2019 - mdpi.com
In this paper Lie group method in combination with Magnus expansion is utilized to develop
a universal method applicable to solving a Sturm–Liouville problem (SLP) of any order with …

An efficient technique for finding the eigenvalues and the eigenelements of fourth-order Sturm-Liouville problems

M El-Gamel, MS El-Azab, M Fathy - SeMA Journal, 2017 - Springer
In this paper an efficient method based on Legendre-Galerkin method for computing the
eigenvalues of fourth-order Sturm-Liouville problem subject to a kind of fixed boundary …

Dependence of eigenvalues of fourth-order Sturm-Liouville problems on canonical boundary conditions

J Suo - Journal of Mathematical Analysis and Applications, 2025 - Elsevier
In this paper, we discuss the dependence of eigenvalues of fourth-order Sturm-Liouville (SL)
problems on the fundamental canonical forms of separated, coupled and mixed self-adjoint …

Expansion of eigenvalues of rank-one perturbations of the discrete bilaplacian

A Khalkhuzhaev, SY Kholmatov… - arXiv preprint arXiv …, 2019 - arxiv.org
We consider the family $\hat h_\mu:=\hat\varDelta\hat\varDelta-\mu\hat v, $$\mu\in\mathbb
{R}, $ of discrete Schr\" odinger-type operators in $ d $-dimensional lattice $\mathbb {Z}^ d …

Discrete fourth-order Sturm–Liouville problems

M Ben-Artzi, JP Croisille, D Fishelov… - IMA Journal of …, 2018 - academic.oup.com
A discrete fourth-order elliptic theory on a one-dimensional interval is constructed. It is based
on 'Hermitian derivatives' and compact higher-order finite difference operators, and is shown …

An inverse spectral problem for a fourth-order Sturm–Liouville operator based on trace formulae

X Jiang, X Xu - Applied Mathematics Letters, 2021 - Elsevier
In this paper, an efficient algorithm for recovering a density of a fourth-order Sturm–Liouville
operator from two given spectra is investigated. Based on Lidskii's theorem and Mercer's …