The stability radius of a semi-Fredholm operator

DOI10.1007/BF01199985zbMath0561.47009OpenAlexW192985840MaRDI QIDQ2266423

Jaroslav Zemánek

Publication date: 1985

Published in: Integral Equations and Operator Theory (Search for Journal in Brave)

Full work available at URL: https://doi.org/10.1007/bf01199985

zbMATH Keywords

stability radiusreduced minimum modulussemi-Fredholm operatorinjectivity radius formula

Mathematics Subject Classification ID

(Semi-) Fredholm operators; index theories (47A53)

Related Items (8)

Semi-Fredholm perturbations and commutators ⋮ Uniformly regular families of commuting operators ⋮ The reduced minimum modulus and the spectrum ⋮ New results in the theory of multivalued mappings. I: Topological characteristics and solvability of operator relations ⋮ The stability radius of a quasi-Fredholm operator ⋮ The stability radius of Fredholm linear pencils ⋮ The distance from the Apostol spectrum ⋮ SMALL ESSENTIAL SPECTRAL RADIUS PERTURBATIONS OF OPERATORS WITH TOPOLOGICAL UNIFORM DESCENT

Cites Work

• Perturbation theory for nullity, deficiency and other quantities of linear operators
• On holomorphic operator function equations
• The surjectivity radius, packing numbers and boundedness below of linear operators
• Properties of linear transformations preserved under addition of a completely continuous transformation
• The stability radius of a bundle of closed linear operators
• The Asymptotic Behavior of the Reduced Minimum Modulus of a Fredholm Operator
• Sur les applications linéaires dans un espace de Banach. II
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