The Cantor-set conjecture for end invariants of one-holed torus characters

From papers

Let ρ\rho be an SL(2,C)\mathrm{SL}(2,\mathbb C) character, let E(ρ)\mathcal E(\rho) be its set of end invariants, and let PL\mathscr{PL} denote the projective lamination space. Cantor-set conjecture. If

E(ρ)>2,\lvert\mathcal E(\rho)\rvert>2,

then either

E(ρ)=PL\mathcal E(\rho)=\mathscr{PL}

or E(ρ)\mathcal E(\rho) is a Cantor subset of PL\mathscr{PL}. This refines Bowditch's suggestion that, generically in X2\mathcal X_{-2} outside the BQ-conditions, the end-invariant set is a Cantor set; the paper presents its results as evidence, but gives no resolution of the conjecture.

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Sources & referencesView supporting material

Primary source

Ser Peow Tan, Yan Loi Wong and Ying Zhang, “The SL(2,C) character variety of the one-holed torus”, arXiv:math/0509033 (2005).

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