关于亚纯算子值函数的指标及其一些应用
谱理论
2016-11-14 v3
摘要
我们重访并联系了解析算子值函数零点的代数重数的若干概念,并讨论了复可分希尔伯特空间中亚纯算子值函数的指标概念。给出了对抽象扰动理论及相关的 Birman-Schwinger 型算子,以及对应于闭算子的对偶对的闭扩张的算子值 Weyl-Titchmarsh 函数的应用。
引用
@article{arxiv.1512.06962,
title = {On the index of meromorphic operator-valued functions and some applications},
author = {Jussi Behrndt and Fritz Gesztesy and Helge Holden and Roger Nichols},
journal= {arXiv preprint arXiv:1512.06962},
year = {2016}
}
备注
24 pages, some corrections and updates were made. This paper revisits and extends some parts of arXiv:1405.4910