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arxiv: 1806.08421 · v1 · pith:NV3T47JXnew · submitted 2018-06-21 · 🧮 math.OA · math.FA

On operator amenability of Fourier-Stieltjes algebras

classification 🧮 math.OA math.FA
keywords operatoramenabilitycompactadmitsalgebraalgebrasamenablilitycase
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We consider the Fourier-Stietljes algebra B(G) of a locally compact group G. We show that operator amenablility of B(G) implies that a certain semitolpological compactification of G admits only finitely many idempotents. In the case that G is connected, we show that operator amenability of B(G) entails that $G$ is compact.

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