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

来源：

FILOMAT | 2017年 / 31卷 / 09期

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

页码：2575 / 2585

页数：11

共 50 条

[31] Generalized Fredholm property and a priori estimates for linear operators on tensor products of Hilbert spaces
V. S. Pilidi
Mathematical Notes, 1998, 64 : 778 - 786
[32] Generalized Fredholm property and a priori estimates for linear operators on tensor products of Hilbert spaces
Pilidi, VS
MATHEMATICAL NOTES, 1998, 64 (5-6) : 778 - 786
[33] Spectral Inclusion for C0-Semigroups Drazin Invertible and Quasi-Fredholm Operators
Tajmouati, A.
Amouch, M.
Alhomidi Zakariya, M. R. F.
BULLETIN OF THE MALAYSIAN MATHEMATICAL SCIENCES SOCIETY, 2019, 42 (04) : 1383 - 1392
[34] A Generalized Von Neumann’s Theorem for Linear Relations in Hilbert Spaces
Marcel Roman
Adrian Sandovici
Results in Mathematics, 2024, 79
[35] A Generalized Von Neumann's Theorem for Linear Relations in Hilbert Spaces
Roman, Marcel
Sandovici, Adrian
RESULTS IN MATHEMATICS, 2024, 79 (03)
[36] Ordinary differential operators in Hilbert spaces and Fredholm pairs
Alberto Abbondandolo
Pietro Majer
Mathematische Zeitschrift, 2003, 243 : 525 - 562
[37] Fredholm Nature of Orbital Frame Operators in Hilbert Spaces
Saeedi, Z.
Rezaei, H.
IRANIAN JOURNAL OF SCIENCE, 2025,
[38] Ordinary differential operators in Hilbert spaces and Fredholm pairs
Abbondandolo, A
Majer, P
MATHEMATISCHE ZEITSCHRIFT, 2003, 243 (03) : 525 - 562
[39] Unbounded B-Fredholm operators on Hilbert spaces
Berkani, M.
Castro-Gonzalez, N.
PROCEEDINGS OF THE EDINBURGH MATHEMATICAL SOCIETY, 2008, 51 : 285 - 296
[40] STRICTLY SINGULAR PERTURBATION OF ALMOST SEMI-FREDHOLM LINEAR RELATIONS IN NORMED SPACES
Alvarez, T.
GLASGOW MATHEMATICAL JOURNAL, 2014, 56 (01) : 211 - 219

← 1 2 3 4 5 →