Geodesic
An analytic approach to the spectral characterization of the radical
Graham R. Allan1
1Department 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

Voir la notice de l'article provenant de la source Institute of Mathematics Polish Academy of Sciences

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. 
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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