Results 71 to 80 of about 2,405 (191)

Hypo-<em>q</em>-Norms on a Cartesian Product of Algebras of Operators on Banach Spaces

open access: yes, 2017
In this paper we introduce the hypo-q-operator norm and hypo-q-numerical radius on a Cartesian product of algebras of bounded linear operators on Banach spaces.
Silvestru Sever Dragomir
core   +1 more source

Generalized projections in Banach algebras

open access: yes, 2007
In this note we investigate generalized projections in Banach algebras.
Schmoeger, Christoph
core  

Multipliers with Natural Local Spectra on Commutative Banach Algebras

open access: yes, 1996
Several notions from the abstract spectral theory of bounded linear operators on Banach spaces are investigated and characterized in the context of multipliers on a semi-simple commutative Banach algebra. Particular emphasis is given to the determination
Laursen, Kjeld Bagger   +4 more
core   +1 more source

Vector valued logarithmic residues and the extraction of elementary factors

open access: yes
An analysis is presented of the circumstances under which, by the extraction of elementary factors, an analytic Banach algebra valued function can be transformed into one taking invertible values only. Elementary factors are generalizations of the simple
Bart, H., Silbermann, B., Ehrhardt, T.
core  

Local Spectral Theory for Operators on Banach Spaces and Applications to Convolution Operators on Group Algebras

open access: yes, 1994
In this article, we shall discuss some recent developments and applications of the local spectral theory for linear operators on Banach spaces. Special emphasis will be given to those parts of operator theory, where spectral theory, harmonic analysis ...
Michael M. Neumann
core  

Some further classes of pseudo-differential operators in the p-adic context and their applications. [PDF]

open access: yesJ Pseudodiffer Oper Appl, 2023
Torresblanca-Badillo A   +1 more
europepmc   +1 more source

Additive maps preserving rank-one operators on nest algebras

open access: yes, 2010
Tianyuan Fund of China; YNSF of Shanxi; NSF of ChinaIn this article, we give a thorough discussion of additive maps between nest algebras acting on Banach spaces which preserve rank-one operators in both ...
Hou, Jinchuan   +3 more
core  

Capacity of elements of Banach algebras [PDF]

open access: yes, 1972
As its name suggests, this thesis is an account of the recent theory of the capacity of elements of Banach algebras. The first chapter contains a summary of the background theory, other than fundamentals, used, and consists mainly of perturbation ...
Stirling, David G.
core  

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