On the essential numerical spectrum of operators on Banach spaces

DOI10.2298/FIL1907191AzbMath1496.47007MaRDI QIDQ5080837

Bouthaina Abdelhedi, Wissal Boubaker, Nedra Moalla

Publication date: 31 May 2022

Published in: Filomat (Search for Journal in Brave)

zbMATH Keywords

numerical rangespectrumessential numerical rangeessential growth boundnumerical spectrum

Mathematics Subject Classification ID

Spectrum, resolvent (47A10) Numerical range, numerical radius (47A12) Operators on Banach spaces (47B01)

Related Items (1)

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Cites Work

• L-ideals and numerical range preservation
• On the exponential stability of \(C_0\)-semigroups on Banach spaces with compact perturbations
• A semigroup approach to the numerical range of operators on Banach spaces
• Growth conitions and the numerical range in a Banach algebra
• Semigroups of operators and measures of noncompactness
• Commutators and compressions
• On the field of values subordinate to a norm
• Semi-Inner-Product Spaces
• Essential Numerical Range in B(l 1 )
• Schur Products of Operators and the Essential Numerical Range
• Compact Perturbations, Normal Eigenvalues and a Problem of Salinas
• One-Parameter Semigroups for Linear Evolution Equations
• The numerical ranges of unbounded operators
• Spectral theory of linear operators and spectral systems in Banach algebras
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