Mathematische Annalen

, Volume 289, Issue 1, pp 143–167 | Cite as

On unknotting tunnels for knots

  • Kanji Morimoto
  • Makoto Sakuma


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Copyright information

© Springer-Verlag 1991

Authors and Affiliations

  • Kanji Morimoto
    • 1
  • Makoto Sakuma
    • 2
  1. 1.Department of MathematicsTakushoku UniversityTokyoJapan
  2. 2.Department of Mathematics, College of General EducationOsaka UniversityOsakaJapan

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