一类对称算子的非自伴扩张的散射理论
数学物理
2020-07-21 v3 泛函分析
math.MP
谱理论
摘要
本研究处理一类对称算子扩张的泛函模型及其在波散射理论中的应用。借助 Boris Pavlov 该模型的谱形式,我们找到了对应于给定具有相等亏指标的闭对称算子的几乎可解扩张的指数酉群作用的显式公式。基于这些公式,我们能够构造波算子,并导出此类扩张对在自伴与非自伴情形下的散射矩阵的新表示。
引用
@article{arxiv.1712.09293,
title = {Scattering theory for a class of non-selfadjoint extensions of symmetric operators},
author = {Kirill D. Cherednichenko and Alexander V. Kiselev and Luis O. Silva},
journal= {arXiv preprint arXiv:1712.09293},
year = {2020}
}
备注
32 pages; This is the continuation of arXiv:1703.06220 (and formerly contained in v1); this version is as accepted by the journal (Operator Theory: Advances and Applications)