On the structure of invertible elements in Fourier-Stieltjes algebras

Abstract: For a locally compact abelian group $G$, J. L. Taylor (1971) gave a complete characterization of invertible elements in the measure algebra $M(G)$. Using the Fourier-Stieltjes transform, this characterization can be carried out in the context of Fourier-Stieltjes algebras $B(G)$. We generalise this characterization to the setting of the Fourier-Stieltjes algebra $B(G)$ of certain classes of locally compact groups, in particular, many totally minimal groups and the $ax+b$-group.

functional analysisgroup theoryoperator algebras

Audience: researchers in the topic

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