关于矩问题确定-不确定二分的判据
数学物理
2021-11-18 v3 math.MP
谱理论
摘要
当经典 Hamburger 矩问题有解时,它要么有唯一解,要么有无穷多解。相应地,该矩问题被称为确定的或不确定的。就 Jacobi 算子而言,这种二分对应于算子或是自伴的,或是对称非自伴的。在本工作中,我们提出一个新的确定-不确定分类判据,其关键在于 Jacobi 算子的表示基(按 Akhiezer-Glazman 术语),使得相应矩阵具有某种结构。
引用
@article{arxiv.2107.00697,
title = {On a criterion for the determinate-indeterminate dichotomy of the moment problem},
author = {Diego Hernández Bustos and Sergio Palafox and Luis O. Silva},
journal= {arXiv preprint arXiv:2107.00697},
year = {2021}
}
备注
23 pages. A new section was added and some minor changes were made along the text. Corrections in references and citations