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An error in the paper [J. Math. Phys. 43, 6343 (2002); math-ph/0207009] is corrected. Further explanation is given.

数学物理 · 物理学 2015-06-26 Ali Mostafazadeh

The inverse scattering problem for Sturm-Liouville operators on the line with a matrix transfer condition at the origin is considered. We show that the transfer matrix can be reconstructed from the eigenvalues and reflection coefficient. In…

谱理论 · 数学 2017-07-05 Sonja Currie , Marlena Nowaczyk , Bruce Alastair Watson

Errata for MNRAS 330, 821 (2002, astro-ph/0111084). A notation error in Eq. 7 and some typos in Table 3 corrected.

天体物理学 · 物理学 2009-11-07 C. Lia , L. Portinari , G. Carraro

In this paper, the Sturm-Liouville operators on a graph with a cycle are considered. We study the inverse spectral problem, which consists in the recovery of the potentials from several spectra and a sequence of signs related to the…

谱理论 · 数学 2025-09-03 Natalia P. Bondarenko

This is an erratum to the paper published in Nucl. Phys. B198(1982)508.

高能物理 - 唯象学 · 物理学 2009-10-30 A. L. Kataev , N. V. Krasnikov , A. A. Pivovarov

The matrix Sturm-Liouville operator on a finite interval with the boundary conditions in the general self-adjoint form and with the singular potential from the class $W_2^{-1}$ is studied. This operator generalizes Sturm-Liouville operators…

谱理论 · 数学 2021-04-28 Natalia P. Bondarenko

We correct a few errors that appeared in [Convergence of invariant measures for singular stochastic diffusion equations, Stochastic Process. Appl. 122 (2012), no. 4, 1998--2017] by I. Ciotir and J.M. T\"olle.

概率论 · 数学 2012-11-20 Ioana Ciotir , Jonas M. Tölle

We study inverse spectral problems for ordinary differential equations with regular singularities on compact star-type graphs when differential equations have different orders on diferent edges. As the main spectral characteristics we…

谱理论 · 数学 2015-03-06 Vjacheslav Yurko

As is known, for each fixed $\nu\in\{0,1\},$ the spectra of two operators generated by $-y''(x)+q(x)y(x-a)$ and the boundary conditions $y^{(\nu)}(0)=y^{(j)}(\pi)=0,$ $j=0,1,$ uniquely determine the complex-valued square-integrable…

谱理论 · 数学 2021-01-22 Nebojša Djurić , Sergey Buterin

We derive eigenvalue asymptotics for Sturm--Liouville operators with singular complex-valued potentials from the space $W^{\al-1}_{2}(0,1)$, $\al\in[0,1]$, and Dirichlet or Neumann--Dirichlet boundary conditions. We also give application of…

谱理论 · 数学 2009-11-10 Rostyslav O. Hryniv , Yaroslav V. Mykytyuk

We develop an analog of classical oscillation theory for Sturm-Liouville operators which, rather than measuring the spectrum of one single operator, measures the difference between the spectra of two different operators. This is done by…

谱理论 · 数学 2009-03-03 Helge Krueger , Gerald Teschl

Erratum to the article: Charge transfer to solvent identified using dark channel fluorescence-yield L-edge spectroscopy, NATURE CHEMISTRY 2 (2010) 853

An extension of the first eigenvalue-type Ambarzumyan's theorem are provided for the arbitrary self-adjoint Sturm-Liouville differential operators. The result makes a contribution to the P\"oschel-Trubowitz inverse spectral theory as well.

谱理论 · 数学 2019-02-12 Alp Arslan Kıraç

In this study, the inverse problem of the scattering theory on the half line for a piecewise continuous Sturm-Liouville equation with boundary condition depending quadratic on the spectral parameter is considered. The scattering data of the…

谱理论 · 数学 2015-02-06 Kh. R. Mamedov , Nida P. Kosar , F. Ayca Cetinkaya

This erratum addresses an error in the text of Lo et al. (2013) and more importantly corrects a computational error that was made in all previously published relativistic computations of absolute pulse waveform fluxes produced by hot spots…

高能天体物理现象 · 物理学 2018-03-14 Ka Ho Lo , M. Coleman Miller , Sudip Bhattacharyya , Frederick K. Lamb

We study an inverse spectral problem for arbitrary order ordinary differential equations on compact star-type graphs when differential equations have regular singularities at boundary vertices. As the main spectral characteristics we…

谱理论 · 数学 2014-10-09 Vjacheslav Yurko

We establish two theorems that illustrate the uniqueness of inverse q-Sturm-Liouville problems based on a specified set of spectral data. The first uniqueness theorem employs the method of transformation operators to provide a q-analog of…

经典分析与常微分方程 · 数学 2025-08-28 F. A. Gawish , Z. S. Mansour

We correct a partial mistake for a metric presented in the article "Lattice constellation and codes from quadratic number fields" [IEEE Trans. Inform. Theory, vol. 47, No. 4, May. 2001]. We show that the metric defined in the article is not…

信息论 · 计算机科学 2014-12-01 Murat Güzeltepe

We consider a variable order differential operator on a graph with a cycle. We study the inverse spectral problem for this operator by the system of spectra. The main results of the paper are the uniqueness theorem and the constructive…

谱理论 · 数学 2014-01-14 Natalia Bondarenko

We establish various uniqueness results for inverse spectral problems of Sturm-Liouville operators with a finite number of discontinuities at interior points at which we impose the usual transmission conditions. We consider both the case of…

谱理论 · 数学 2012-10-04 Mohammad Shahriari , Aliasghar Jodayree Akbarfam , Gerald Teschl