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arxiv: 1710.08983 · v1 · pith:CXQWXCC3new · submitted 2017-10-24 · 🧮 math.GT

Torsion in the homology of finite covers of 3-manifolds

classification 🧮 math.GT
keywords finitemanifoldresulttildeasafbuildingclosedcover
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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 $k\in\Bbb{N}$ there exists a finite cover $\tilde{N}$ of $N$ such that $|\operatorname{Tor} H_1(\tilde{N};\Bbb{Z})|>k$.

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