Dehn fillings creating essential spheres and tori

Sangyop Lee, Seungsang Oh, Masakazu Teragaito

Research output: Contribution to journalArticlepeer-review

1 Citation (Scopus)


Let M be a simple 3-manifold with a toral boundary component. It is known that if two Dehn fillings on M along the boundary produce a reducible manifold and a toroidal manifolds then the distance between the filling slopes is at most three. This paper gives a remarkably short proof of this result.

Original languageEnglish
Pages (from-to)887-890
Number of pages4
JournalJournal of Knot Theory and its Ramifications
Issue number6
Publication statusPublished - 2002 Sept
Externally publishedYes


  • Dehn filling
  • Reducible
  • Toroidal

ASJC Scopus subject areas

  • Algebra and Number Theory


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