线性有界算子的点谱连续性On the Continuity of Point Spectrum of Bounded Linear Operators
单佑民;
摘要(Abstract)：
本文给出可分、复Hilbert空间上线性有界算子的点谱及与点谱有关的一些谱的子集在小范数摄动下“连续”的充要条件,还讨论了点谱的“紧连续”问题.关于“闭值域点”和“T-正则点”的结论推广了[5]和[7]的结果。最后对约化点谱算子特别是正规算子在小范数紧摄动下的特征值变化问题得到一些结论。
关键词(KeyWords)：
基金项目(Foundation):
作者(Authors): 单佑民;
参考文献(References)：
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