On operator Connes-amenability of the Fourier-Stieltjes algebra

Volker Runde, Nico Spronk, Matthew Wiersma

Runde and Spronk showed in 2004 that there are non-amenable groups $G$, including ${\mathbb{F}}_2$, {whose Fourier-Stieltjes algebra, $B(G)$,} is operator Connes-amenable. This result…