[图书][B] Fredholm and local spectral theory II
P Aiena, P Aiena, Lodh - 2018 - Springer
The main focus of this book is on bounded linear operators on complex infinitedimensional
Banach spaces and their spectral properties. In recent years spectral theory, which has …
Banach spaces and their spectral properties. In recent years spectral theory, which has …
Drazin invertibility of the diagonal of an operator
SV Djordjević, BP Duggal - Linear and Multilinear Algebra, 2012 - Taylor & Francis
In this article we will give relation between ascent and descent of a Banach space operator T
and its diagonal (ie its restriction A to an invariant subspace and the induced quotient …
and its diagonal (ie its restriction A to an invariant subspace and the induced quotient …
Browder and Weyl spectra of upper triangular operator matrices
BP Duggal - Filomat, 2010 - JSTOR
Abstract Let MC=(AC 0 B)∈ B (χ⊕ χ) be an upper triangulat Banach space operator. The
relationship between the spectra of 𝑀𝐶 and 𝑀₀, and their various distinguished parts, has …
relationship between the spectra of 𝑀𝐶 and 𝑀₀, and their various distinguished parts, has …
Generalized Drazin inverse of restrictions of bounded linear operators
M Boumazgour - Linear and Multilinear Algebra, 2018 - Taylor & Francis
Let T be a bounded linear operator on a Banach space X, and let M be a closed T-invariant
subspace of X. In this paper, we investigate the relationships between the Drazin spectrum …
subspace of X. In this paper, we investigate the relationships between the Drazin spectrum …
Three-space theorem for semi-Fredholmness.
Q Zeng, H Zhong - Archiv der Mathematik, 2013 - search.ebscohost.com
Three-space theorem for semi-Fredholmness Page 1 Arch. Math. 100 (2013), 55–61 c© 2012
Springer Basel 0003-889X/13/010055-7 published online December 27, 2012 DOI …
Springer Basel 0003-889X/13/010055-7 published online December 27, 2012 DOI …
[PDF][PDF] THE RECONSTRUCTION PROBLEM FOR A MULTIVALUED LINEAR OPERATOR'S PROPERTIES
N Feki, M Mnif - Revista de la Unión Matemática Argentina - researchgate.net
THE RECONSTRUCTION PROBLEM FOR A MULTIVALUED LINEAR OPERATOR’S
PROPERTIES 1. Introduction Let X be a complex Banach space, M i Page 1 Revista de la …
PROPERTIES 1. Introduction Let X be a complex Banach space, M i Page 1 Revista de la …
Spectral Continuity Relative to Invariant Subspaces
S Sánchez-Perales, SV Djordjević - Complex Analysis and Operator …, 2017 - Springer
Spectral Continuity Relative to Invariant Subspaces | Complex Analysis and Operator Theory
Skip to main content SpringerLink Account Menu Find a journal Publish with us Search Cart …
Skip to main content SpringerLink Account Menu Find a journal Publish with us Search Cart …
[PDF][PDF] The Browder and Weyl spectra of an operator and its diagonal
BP Duggal, SV Djordjevic… - Functional Analysis …, 2009 - operator.pmf.ni.ac.rs
1 Introduction Page 1 Faculty of Sciences and Mathematics, University of Niš, Serbia Available
at: http://www.pmf.ni.ac.rs/faac Functional Analysis, Approximation and Computation 1:2 …
at: http://www.pmf.ni.ac.rs/faac Functional Analysis, Approximation and Computation 1:2 …
Essential Spectra Under Perturbations
P Aiena, P Aiena - Fredholm and Local Spectral Theory II: With …, 2018 - Springer
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Limit points for Browder spectrum of operator matrices
Abstract Let A ∈ B (X) A∈ B (X) and B ∈ B (Y) B∈ B (Y), where X and Y are Banach
spaces, and let M_ C MC be an operator acting on X ⊕ YX⊕ Y given by M_C= A &\quad C\0 …
spaces, and let M_ C MC be an operator acting on X ⊕ YX⊕ Y given by M_C= A &\quad C\0 …