Quasi-Fredholm Linear Relations in Hilbert Spaces

被引:5
|
作者
Alvarez, T. [1 ]
Chamkha, Y. [2 ]
Mnif, M. [2 ]
机构
[1] Univ Oviedo, Dept Math, Oviedo 33007, Asturias, Spain
[2] Univ Sfax, Fac Sci Sfax, Dept Math, BP 1171, Sfax 3000, Tunisia
关键词
Range space relation; degree of a linear relation; quasi-Fredholm relation; polynomial in a linear relation; KATO DECOMPOSITION; OPERATORS;
D O I
10.2298/FIL1709575A
中图分类号
O29 [应用数学];
学科分类号
070104 ;
摘要
In this paper we obtain some results concerning the ascent and descent of a quasi-Fredholm relation in a Hilbert space and we analyze the behaviour of a polynomial in a quasi-Fredholm relation in a Hilbert space.
引用
收藏
页码:2575 / 2585
页数:11
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