Uniformity conjecture for Galois-conjugate hyperbolic representations

Let MM be a hyperbolic 3-manifold and let ρ:GSL(2,C)\rho:G\to \operatorname{SL}(2,\mathbb C) be a lift of the discrete faithful representation associated to its hyperbolic structure. Suppose that ρ\rho has entries in SL(2,K)\operatorname{SL}(2,K) for a number field KK with a real Galois embedding σ:KKσR\sigma:K\to K^\sigma\subset\mathbb R. Let ρσ:GSL(2,Kσ)SL(2,R)\rho^\sigma:G\to\operatorname{SL}(2,K^\sigma)\subset\operatorname{SL}(2,\mathbb R) be the associated representation, and suppose eρσ=0e_{\rho^\sigma}=0 in H2(M;Z)H^2(M;\mathbb Z). Let rr be the relevant rotation quasimorphism on the universal cover and write ϕ=rρ~σ\phi=r\circ\widetilde\rho^\sigma. The uniformity conjecture. The quasimorphism ϕ\phi is uniform. This would produce uniform structures from real Galois conjugates of the hyperbolic representation, but the source gives no resolution of the assertion.

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Primary source

Danny Calegari and Ino Loukidou, “Zippers”, arXiv:2411.15610 (2026).

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