Spectral radius formulae

G. J. Murphy, T. T. West

Source record

Source: Crossref

Published: Oct 1, 1979

DOI: 10.1017/s0013091500016448

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Source abstract

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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