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21 november 1967 On the existence of approximate identities in ideals of group algebras
Haskell P. Rosenthal
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Ark. Mat. 7(2): 185-191 (21 november 1967). DOI: 10.1007/BF02591035

Abstract

A short proof is given of the theorem by Wik, who, in 1965, showed that the nowhere-dense strong Ditkin subsets of T, the circle group, are finite.

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Haskell P. Rosenthal. "On the existence of approximate identities in ideals of group algebras." Ark. Mat. 7 (2) 185 - 191, 21 november 1967. https://doi.org/10.1007/BF02591035

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Published: 21 november 1967
First available in Project Euclid: 31 January 2017

zbMATH: 0172.18303
MathSciNet: MR239362
Digital Object Identifier: 10.1007/BF02591035

Rights: 1967 © Almqvist & Wiksell

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Vol.7 • No. 2 • 21 november 1967
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