Tunnel complexes of 3-manifolds

Yuya Koda

研究成果: Article査読

2 被引用数 (Scopus)

抄録

For each closed 3-manifold M and natural number t, we define a simplicial complex Tt(M), the t-tunnel complex, whose vertices are knots of tunnel number at most t. These complexes have a strong relation to disk complexes of handle bodies. We show that the complex Tt(M) is connected for M the 3-sphere or a lens space. Using this complex, we define an invariant, the t-tunnel complexity, for tunnel number t knots. These invariants are shown to have a strong relation to toroidal bridge numbers and the hyperbolic structures.

本文言語English
ページ(範囲)417-447
ページ数31
ジャーナルAlgebraic and Geometric Topology
11
1
DOI
出版ステータスPublished - 2011
外部発表はい

ASJC Scopus subject areas

  • 幾何学とトポロジー

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