Almost multiplicative functions on commutative Banach algebras

DOI10.4064/sm197-1-8zbMath1200.46045OpenAlexW1990319682MaRDI QIDQ3553302

S. H. Kulkarni, Daniel Sukumar

Publication date: 22 April 2010

Published in: Studia Mathematica (Search for Journal in Brave)

Full work available at URL: https://doi.org/10.4064/sm197-1-8

zbMATH Keywords

commutative Banach algebrascondition spectrumGleason-Kahane-Żelazko Theoremalmost commutative functionals

Mathematics Subject Classification ID

General theory of commutative topological algebras (46J05)

Related Items (6)

On the open ball centered at an invertible element of a Banach algebra ⋮ AMHNMH, AMNM and ADND pairs ⋮ Linear maps preserving pseudospectrum and condition spectrum ⋮ Approximately spectrum-preserving maps ⋮ Some comparative results on eigenvalues, pseudospectra and conditionspectra ⋮ Condition pseudospectral radius of bounded linear operators

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