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ON OPERATORS WITH THE SPHERICAL PROPERTY

Научный вестник МГТУ ГА, 2016
Properties of continuous positively homogeneous operators of degree via various functions (e.g. measures of noncompactness) on all bounded subsets of a Banach space are studied.
N. A. Erzakova
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Compactness by the Hausdorff measure of noncompactness

Nonlinear Analysis: Theory, Methods & Applications, 2010
A linear subspace \(X\) of the space of all complex sequences, denoted by \(w\), is called a \(BK\)-space if it is a Banach space with continuous coordinates \(p_{n}: X \to \mathbb{C}\) \((n\in \mathbb{N})\), where \(\mathbb{C}\) is the complex field and \(p_{n}(x)=x_{n}\) for all \(x=(x_{k})\in X\).
M Mursaleen
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Existence of solution of infinite systems of inhomogeneous wave equations using Hausdorff measure of noncompactness

Advances in Operator Theory, 2020
zbMATH Open Web Interface contents unavailable due to conflicting licenses.
Anupam Das, Bipan Hazarika, M Mursaleen
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Hausdorff measure of noncompactness in subspaces of continuous functions of codimension one

Nonlinear Analysis: Theory, Methods & Applications, 1995
The author establishes a formula for the Hausdorff measure of noncompactness in closed hyperplanes of the space \(C[a, b]\) of real-valued continuous functions on a compact interval \([a, b]\).
Andrzej Wisnicki
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On sequence spaces defined by arithmetic function and Hausdorff measure of noncompactness

Rocky Mountain Journal of Mathematics, 2022
zbMATH Open Web Interface contents unavailable due to conflicting licenses.
Yaying, Taja, Saikia, Nipen
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The Hausdorff measure of noncompactness of operators on the matrix domains of triangles in the spaces of strongly summable and bounded sequences

Applied Mathematics and Computation, 2010
Ivana Djolovic, Eberhard Malkowsky
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RETRACTED: The Hausdorff measure of noncompactness for some matrix operators

Nonlinear Analysis: Theory, Methods & Applications, 2013
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Mohiuddine, S. A., Mursaleen, M., Alotaibi, A.   +2 more
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Retraction notice to: ``The Hausdorff measure of noncompactness for some matrix operators''

Nonlinear Analysis: Theory, Methods & Applications, 2015
zbMATH Open Web Interface contents unavailable due to conflicting licenses.
Mohiuddine, S. A., Mursaleen, M., Alotaibi, A.   +2 more
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On matrix transformations and Hausdorff measure of noncompactness of Euler difference sequence spaces of fractional order

Quaestiones Mathematicae, 2019
In the present paper, some results on matrix mappings and Hausdorff measure of noncompactness of certain generalized Euler difference sequence spaces of fractional order are discussed.
Baliarsingh, P., Kadak, Ugur
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