Geodesic
The strong spectral extension property does not imply the multiplicative Hahn–Banach property
A. Sołtysiak 1
1 Faculty of Mathematics and Computer Science Adam Mickiewicz University Umultowska 87 61-614 Poznań, Poland
Studia Mathematica, Tome 153 (2002) no. 3, pp. 297-301 Cet article a éte moissonné depuis la source Institute of Mathematics Polish Academy of Sciences

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An example is given of a semisimple commutative Banach algebra that has the strong spectral extension property but fails the multiplicative Hahn–Banach property. This answers a question posed by M. J. Meyer in [4].
DOI : 10.4064/sm153-3-6
Keywords: example given semisimple commutative banach algebra has strong spectral extension property fails multiplicative hahn banach property answers question posed meyer

A. Sołtysiak  1

1 Faculty of Mathematics and Computer Science Adam Mickiewicz University Umultowska 87 61-614 Poznań, Poland 
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 does not imply
 the multiplicative Hahn–Banach property
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A. Sołtysiak. The strong spectral extension property
 does not imply
 the multiplicative Hahn–Banach property. Studia Mathematica, Tome 153 (2002) no. 3, pp. 297-301. doi: 10.4064/sm153-3-6

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