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arxiv: 1104.0315 · v2 · pith:VPRWGFGTnew · submitted 2011-04-02 · 🧮 math.GR

On G-sets and Isospectrality

classification 🧮 math.GR
keywords coversfiniteg-setsisospectralriemanniancompactconnectedfollowing
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We study finite G-sets and their tensor product with Riemannian manifolds, and obtain results on isospectral quotients and covers. In particular, we show the following: if M is a compact connected Riemannian manifold (or orbifold) whose fundamental group has a finite non-cyclic quotient, then M has isospectral non-isometric covers.

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