Linear operators on banach algebras

Results 1 to 10 of about 78 (63)

A Certain Class of Character Module Homomorphisms on Normed Algebras [PDF]

Sahand Communications in Mathematical Analysis, 2018
For two normed algebras $A$ and $B$ with the character space $bigtriangleup(B)neq emptyset$ and a left $B-$module $X,$ a certain class of bounded linear maps from $A$ into $X$ is introduced.
Ali Reza Khoddami
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Hypo-q-Norms on a Cartesian Product of Algebras of Operators on Banach Spaces

Annales Mathematicae Silesianae, 2020
In this paper we consider the hypo-q-operator norm and hypo-q-numerical radius on a Cartesian product of algebras of bounded linear operators on Banach spaces.
Dragomir Silvestru Sever
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The Automatic Continuity of Linear Operators on Some Semi-Prime Banach Algebra [PDF]

Pure and Applied Mathematics Journal, 2015
Conditions are given for Banach algebras A and Banach algebras B which insure that every homomorphism T from A into B is automatic continuous. Similar results are obtained for derivations which either map the algebra A into itself.
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Spectral integration and spectral theory for non-Archimedean Banach spaces

International Journal of Mathematics and Mathematical Sciences, 2002
Banach algebras over arbitrary complete non-Archimedean fields are considered such that operators may be nonanalytic. There are different types of Banach spaces over non-Archimedean fields.
S. Ludkovsky, B. Diarra
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Some properties of shift operators on algebras generated by $*$-polynomials

Karpatsʹkì Matematičnì Publìkacìï, 2018
A $*$-polynomial is a function on a complex Banach space $X,$ which is a sum of so-called $(p,q)$-polynomials. In turn, for non-negative integers $p$ and $q,$ a $(p,q)$-polynomial is a function on $X,$ which is the restriction to the diagonal of some ...
T.V. Vasylyshyn
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The algebraic size of the family of injective operators

Open Mathematics, 2017
In this paper, a criterion for the existence of large linear algebras consisting, except for zero, of one-to-one operators on an infinite dimensional Banach space is provided. As a consequence, it is shown that every separable infinite dimensional Banach
Bernal-González Luis
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On some properties of Banach operators

International Journal of Mathematics and Mathematical Sciences, 2001
A mapping α from a normed space X into itself is called a Banach operator if there is a constant k such that 0 ...
A. B. Thaheem, AbdulRahim Khan
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Cubo, 2010
In this paper we prove the following result. Let X be a real or complex Banach space, let L (X) be the algebra of all bounded linear operators on X, and let be a standard operator algebra. Suppose is a linear mapping satisfying the relation .
Irena Kosi-Ulbl, Joso Vukman
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p-adic vertex operator algebras. [PDF]

Res Number Theory, 2023
Franc C, Mason G.
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Ergodic decompositions of Dirichlet forms under order isomorphisms. [PDF]

J Evol Equ, 2023
Schiavo LD, Wirth M.
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