Linear slices of the quasi-fuchsian space of punctured tori

Yohei Komori*, Yasushi Yamashita

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

4 Citations (Scopus)


After fixing a marking (V, W) of a quasi-Fuchsian punctured torus group G, the complex length λV and the complex twist τV, W parameters define a holomorphic embedding of the quasi-Fuchsian space QF of punctured tori into C2. It is called the complex Fenchel-Nielsen coordinates of QF. For c ∈ C, let Qγ, c be the affine subspace of C2 defined by the linear equation λV = c. Then we can consider the linear slice Lc of QF by QF ∩ Qγ, c which is a holomorphic slice of QF. For any positive real value c, Lc always contains the so-called Bers-Maskit slice BMγ, c defined in [Topology 43 (2004), no. 2, 447–491]. In this paper we show that if c is sufficiently small, then Lc coincides with BMγ, c whereas Lc has other components besides BMγ, c when c is sufficiently large. We also observe the scaling property of Lc.

Original languageEnglish
Pages (from-to)89-102
Number of pages14
JournalConformal Geometry and Dynamics
Issue number5
Publication statusPublished - 2012 Apr 4
Externally publishedYes

ASJC Scopus subject areas

  • Geometry and Topology


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