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Heegaard surfaces and measured laminations
Geometry/Topology| Speaker: | Tao Li, Oklahoma State University |
| Location: | 693 Kerr |
| Start time: | Wed, Apr 20 2005, 4:10PM |
Description
We study the limit of strongly irreducible Heegaard surfaces in the
projective measured lamination space. We show that a closed non-Haken
3-manifold has only finitely many irreducible Heegaard splittings, up to
isotopy. This gives a complete answer to a conjecture of Waldhausen.