In mathematics, hyperbolic Dehn surgery is an operation by which one can obtain further hyperbolic 3-manifolds from a given cusped hyperbolic 3-manifold. Hyperbolic Dehn surgery exists only in dimension three and is one which distinguishes hyperbolic geometry in three dimensions from other dimensions.
Such an operation is often also called hyperbolic Dehn filling, as Dehn surgery proper refers to a "drill and fill" operation on a link which consists of drilling out a neighborhood of the link and then filling back in with solid tori. Hyperbolic Dehn surgery actually only involves "filling".
We will generally assume that a hyperbolic 3-manifold is complete. Suppose M is a cusped hyperbolic 3-manifold with n cusps. M can be thought of, topologically, as the interior of a compact manifold with toral boundary. Suppose we have chosen a meridian and longitude for each boundary torus, i.e. simple closed curves that are generators for the fundamental group of the torus. Let denote the manifold obtained from M by filling in the i-th boundary torus with a solid torus using the slope where each pair and are coprime integers. We allow a to be which means we do not fill in that cusp, i.e. do the "empty" Dehn filling. So M = .
We equip the space H of finite volume hyperbolic 3-manifolds with the geometric topology.
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hyperbolicDehnsurgery is an operation by which one can obtain further hyperbolic 3-manifolds from a given cusped hyperbolic 3-manifold. Hyperbolic Dehn...
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theorem on sufficient conditions for Dehnsurgery to produce a hyperbolic manifold,[L00] a bound on the hyperbolic volume of a knot complement of an alternating...
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