Torsion in the homology of finite covers of 3-manifolds
Stefan FriedlGerrit Herrmann
所有作者
Stefan FriedlGerrit Herrmann
文献摘要
Let N be a prime 3-manifold that is not a closed graph manifold. Building
on a result of Hongbin Sun and using a result of Asaf Hadari we show that for
every k∈N there exists a finite cover N~ of N such that
∣TorH1(N~;Z)∣>k.