Results 91 to 100 of about 195,474,842 (108)

Measure of Weak Noncompactness and Fixed Point Theorems in Banach Algebras With Applications

open access: yesAxioms, 2019
In this paper, we prove some fixed point theorems for the nonlinear operator A · B + C in Banach algebra. Our fixed point results are obtained under a weak topology and measure of weak noncompactness; and we give an example of the ...
Chaira Karim   +2 more
exaly   +2 more sources

Remarks on a Measure of Weak Noncompactness in the Lebesgue Space

open access: yesBulletin of the Australian Mathematical Society, 1995
Using the concept of equi-integrability we introduce a measure of weak noncompactness in the Lebesgue space L 1 (0, l).
Kishin B. Sadarangani
exaly   +2 more sources

Real Interpolation and Measure of Weak Noncompactness [PDF]

open access: yesMathematische Nachrichten, 1995
Behavior of weak measures of noncompactness under real interpolation is investigated. It is shown that "convexity type" theorems hold true for weak measures of noncompactness.Godkänd; 1995; 20070125 ...
Aksoy, A. G.   +4 more
exaly   +2 more sources

Measures of Weak Noncompactness, Nonlinear Leray-Schauder Alternatives in Banach Algebras Satisfying Condition (p) and an Application

open access: yesQuaestiones Mathematicae, 2016
In this paper, we establish some new nonlinear Leray-Schauder alternatives for the sum and the product of weakly sequentially continuous operators in Banach algebras satisfying certain sequential condition (P).
Afif Ben Amar
exaly   +1 more source
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Measure of Super Weak Noncompactness in Some Banach Sequence Spaces

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Kun Tu
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A Measure of Weak Noncompactness in L¹((R)^(N)) and Applications

Mediterranean Journal of Mathematics, 2022
Smail Djebali
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Relative ε -Pseudo Weak Demicompactness and Measures of Weak Noncompactness

Annals of Functional Analysis, 2021
Bilel Krichen
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On Measures of Weak Noncompactness

Annali Di Matematica Pura Ed Applicata, 1988
Józef Banaś
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Existence of Fixed Points and Measures of Weak Noncompactness

Nonlinear Analysis: Theory, Methods & Applications, 2009
Jesus Garcia-Falset
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