Geodesic
The Shirali–Ford theorem as a consequence of Ptak theory for hermitian Banach algebras
Maria Fragoulopoulou1
1Department of Mathematics University of Athens Panepistimiopolis Athens 15784, Greece
Studia Mathematica, Tome 150 (2002) no. 2, pp. 121-132
Cet article a éte moissonné depuis la source Institute of Mathematics Polish Academy of Sciences

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A simple application of Pták theory for hermitian Banach algebras, combined with a result on normed $Q$-algebras, gives a non-technical new proof of the Shirali–Ford theorem. A version of this theorem in the setting of non-normed topological algebras is also provided.
DOI : 10.4064/sm150-2-2
Keywords: simple application theory hermitian banach algebras combined result normed q algebras gives non technical proof shirali ford theorem version theorem setting non normed topological algebras provided

Maria Fragoulopoulou  1

1 Department of Mathematics University of Athens Panepistimiopolis Athens 15784, Greece 
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Maria Fragoulopoulou. The Shirali–Ford theorem as a consequence of
Ptak theory for hermitian Banach algebras. Studia Mathematica, Tome 150 (2002) no. 2, pp. 121-132. doi: 10.4064/sm150-2-2

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