Some remarks on Q-algebras
Annales de l'Institut Fourier, Volume 22 (1972) no. 4, pp. 1-11.

We study Banach algebras that are quotients of uniform algebras and we show in particular that the class is stable by interpolation. We also show that p , (1p) are Q algebras and that A n =L 1 (Z;1+|n| α ) is a Q-algebra if and only if α>1/2.

On fait une étude des algèbres qui sont des quotients des algèbres uniformes et on démontre que cette classe est stable par interpolation. On démontre en particulier que le p , (1p) appartiennent à cette classe et que A n =L 1 (Z;1+|n| α ) appartient à cette classe si et seulement si α>1/2.

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Varopoulos, Nicolas Th. Some remarks on $Q$-algebras. Annales de l'Institut Fourier, Volume 22 (1972) no. 4, pp. 1-11. doi : 10.5802/aif.432. https://aif.centre-mersenne.org/articles/10.5802/aif.432/

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[7] N. Th. Varopoulos, Sur les quotients des algèbres uniformes, C.R. Acad. Sci. t. 274 (A) p. 1344-1346. | Zbl

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