The index of a linear relation under strictly singular perturbations

被引：0

作者：

Ammar, Aymen ^{[1
]}

Daoud, Houcem ^{[1
]}

Jeribi, Aref ^{[1
]}

机构：

[1] Univ Sfax, Fac Sci Sfax, Dept Math, Soukra Rd Km 3-5,BP 1171, Sfax 3000, Tunisia

来源：

ADVANCES IN OPERATOR THEORY | 2022年 / 7卷 / 01期

关键词：

Linear relation; Multivalued linear operator; Index; Fredholm and semi-Fredholm relation; Strictly singular relation; OPERATORS;

D O I：

10.1007/s43036-021-00180-z

中图分类号：

O1 [数学];

学科分类号：

0701 ; 070101 ;

摘要：

In this paper, we investigate the behaviour of the index of upper and lower semi-Fredholm multivalued linear operators in Banach spaces under strictly singular perturbation.

引用

页数：18

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