论文标题
扭曲的$ l^2 $ -betti sofic群体数字
Twisted $L^2$-Betti numbers of sofic groups
论文作者
论文摘要
沃尔夫·吕克（WolfangLück）询问扭曲的$ l^2 $ -betti组的数字等于通常的$ l^2 $ -betti数字，由扭曲表示的维度重新缩放。我们为SOFIC组确认这一点。
Wolfang Lück asked if twisted $L^2$-Betti numbers of a group are equal to the usual $L^2$-Betti numbers rescaled by the dimension of the twisting representation. We confirm this for sofic groups.
