Operational quantities characterizing semi-Fredholm operators.
Manuel González, Antonio Martinón (1993)
Extracta Mathematicae
Similarity:
The search session has expired. Please query the service again.
The search session has expired. Please query the service again.
The search session has expired. Please query the service again.
The search session has expired. Please query the service again.
The search session has expired. Please query the service again.
The search session has expired. Please query the service again.
Manuel González, Antonio Martinón (1993)
Extracta Mathematicae
Similarity:
R.W. Cross (1988)
Mathematische Zeitschrift
Similarity:
Živković, Snežana (1997)
Publications de l'Institut Mathématique. Nouvelle Série
Similarity:
Dominique Gagnage (2003)
Studia Mathematica
Similarity:
T. Kato [5] found an important property of semi-Fredholm pencils, now called the Kato decomposition. M. A. Kaashoek [3] introduced operators having the property P(S:k) as a generalization of semi-Fredholm operators. In this work, we study this class of operators. We show that it is characterized by a Kato-type decomposition. Other properties are also proved.
Gleason, Jim (2001)
Georgian Mathematical Journal
Similarity:
Robert Israel (1974)
Studia Mathematica
Similarity:
R. Mennicken, B. Sagraloff (1980)
Mathematische Annalen
Similarity:
Jaroslav Zemánek (1984)
Studia Mathematica
Similarity:
Manuel González, Antonio Martinón (1995)
Studia Mathematica
Similarity:
Several operational quantities have appeared in the literature characterizing upper semi-Fredholm operators. Here we show that these quantities can be divided into three classes, in such a way that two of them are equivalent if they belong to the same class, and are comparable and not equivalent if they belong to different classes. Moreover, we give a similar classification for operational quantities characterizing lower semi-Fredholm operators.
L. A. Coburn, A. Lebow (1966)
Rendiconti del Seminario Matematico della Università di Padova
Similarity:
K.-H. Förster, E.-O. Liebetrau (1983)
Manuscripta mathematica
Similarity: