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Spectral radius formulae
Published online by Cambridge University Press: 20 January 2009
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If A is a complex Banach algebra (not necessarily unital) and x∈A, σ(x) will denote the spectrum and spectral radius of x in A. If I is a closed two-sided ideal in A let x + I denote the coset in the quotient algebra A/I containing x. Then
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- Research Article
- Information
- Proceedings of the Edinburgh Mathematical Society , Volume 22 , Issue 3 , October 1979 , pp. 271 - 275
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- Copyright © Edinburgh Mathematical Society 1979
References
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