Volumes of Hyperbolic Three-Manifolds Associated with Modular Links
Periodic geodesics on the modular surface correspond to periodic orbits of the geodesic flow in its unit tangent bundle PSL 2 ( Z ) ∖ PSL 2 ( R ) . A finite collection of such orbits is a collection of disjoint closed curves in a 3-manifold, in other words a link. The complement of those links is al...
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Veröffentlicht in: | Symmetry (Basel) 2019-10, Vol.11 (10), p.1206 |
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creator | Brandts, Alex Pinsky, Tali Silberman, Lior |
description | Periodic geodesics on the modular surface correspond to periodic orbits of the geodesic flow in its unit tangent bundle PSL 2 ( Z ) ∖ PSL 2 ( R ) . A finite collection of such orbits is a collection of disjoint closed curves in a 3-manifold, in other words a link. The complement of those links is always a hyperbolic 3-manifold, and hence has a well-defined volume. We present strong numerical evidence that, in the case of the set of geodesics corresponding to the ideal class group of a real quadratic field, the volume has linear asymptotics in terms of the total length of the geodesics. This is not the case for general sets of geodesics. |
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subjects | Fields (mathematics) Geodesy Manifolds Number theory Orbits |
title | Volumes of Hyperbolic Three-Manifolds Associated with Modular Links |
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