Given a hyperbolic 3–manifold M containing an embedded closed geodesic,
we estimate the volume of a complete hyperbolic metric on the complement
of the geodesic in terms of the geometry of M. As a corollary, we
show that the smallest volume orientable hyperbolic 3–manifold has
volume >0.32.
Received: 17 January 2001
Revised: 7 November 2002
Accepted: 31 December 2002
Published: 31 December 2002
Proposed: David Gabai
Seconded: Walter Neumann, John Morgan