Geodesic
An analytic approach to the spectral characterization of the radical
Graham R. Allan 1
1 Department of Pure Mathematics and Mathematical Statistics Centre for Mathematical Sciences Wilberforce Road Cambridge CB3 0WB, U.K.
Studia Mathematica, Tome 186 (2008) no. 1, pp. 11-14 Cet article a éte moissonné depuis la source Institute of Mathematics Polish Academy of Sciences

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We give a simple complex-variable proof of an old result of Zemánek and Le Page on the radical of a Banach algebra. Incidentally, the argument also proves a recent result of Harris and Kadison.
DOI : 10.4064/sm186-1-2
Keywords: simple complex variable proof old result zem nek page radical banach algebra incidentally argument proves recent result harris kadison

Graham R. Allan  1

1 Department of Pure Mathematics and Mathematical Statistics Centre for Mathematical Sciences Wilberforce Road Cambridge CB3 0WB, U.K. 
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Graham R. Allan. An analytic approach to the spectral characterization
 of the radical. Studia Mathematica, Tome 186 (2008) no. 1, pp. 11-14. doi: 10.4064/sm186-1-2

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