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Jaco-Shalen-Johannson Torus Decomposition

Irreducible orientable Compact 3-Manifolds have a canonical (up to Isotopy) minimal collection of disjointly Embedded incompressible Tori such that each component of the 3-Manifold removed by the Tori is either ``atoroidal'' or ``Seifert-fibered.''




© 1996-9 Eric W. Weisstein
1999-05-25