Operational quantities derived from the norm and measures of noncompactness.
Manuel González, Antonio Martinón (1990)
Extracta Mathematicae
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Displaying similar documents to “Some extensions on the Sadovskii functor.”
Operational quantities derived from the norm and measures of noncompactness.
On measures of noncompactness in Banach spaces
Józef Banaś (1980)
Commentationes Mathematicae Universitatis Carolinae
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Unconditionally converging operators and Fredholm theory
Manuel González Ruiz, Víctor M. Onieva Aleixandre (1988)
Extracta Mathematicae
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Operational quantities derived from the norm and generalized Fredholm theory
Manuel Gonzalez, Antonio Martinón (1991)
Commentationes Mathematicae Universitatis Carolinae
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We introduce and study some operational quantities associated to a space ideal . These quantities are used to define generalized semi-Fredholm operators associated to , and the corresponding perturbation classes which extend the strictly singular and strictly cosingular operators, and we study the generalized Fredholm theory obtained in this way. Finally we present some examples and show that the classes of generalized semi-Fredholm operators are non-trivial for several classical space...
Measures of Non-strict-singularity and Non-strict-cosingularity
Snežana Živković (2002)
Matematički Vesnik
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Operational quantities.
Martinón, Antonio (1997)
Commentationes Mathematicae Universitatis Carolinae
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