The strong spectral extension property does not imply the multiplicative Hahn-Banach property
A. Sołtysiak
Studia Mathematica, Tome 151 (2002), p. 297-301 / Harvested from The Polish Digital Mathematics Library
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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].

Publié le : 2002-01-01
EUDML-ID : urn:eudml:doc:285055 
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     title = {The strong spectral extension property does not imply the multiplicative Hahn-Banach property},
     journal = {Studia Mathematica},
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     year = {2002},
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A. Sołtysiak. The strong spectral extension property does not imply the multiplicative Hahn-Banach property. Studia Mathematica, Tome 151 (2002) pp. 297-301. http://gdmltest.u-ga.fr/item/bwmeta1.element.bwnjournal-article-doi-10_4064-sm153-3-6/