Random stable commutator length conjecture for closed hyperbolic manifolds

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Let MM be a closed hyperbolic dd-manifold. Fix some δ>0\delta>0. Let γ\gamma be a random geodesic of length in [n−δ,n+δ][n-\delta,n+\delta] conditioned to be homologically trivial, and let vv be the corresponding conjugacy class in π1(M)\pi_1(M). Random stable commutator length conjecture. For any ϵ>0\epsilon>0 and C>1C>1,

∣scl⁡(v)log⁡(n)/n−(d−1)/6∣≤ϵ\left|\operatorname{scl}(v)\log(n)/n - (d-1)/6\right| \le \epsilon

with probability 1−O(n−C)1-O(n^{-C}). This conjecture predicts the asymptotic stable commutator length of random homologically trivial closed geodesics; the source motivates it using the mixing properties of the geodesic flow on closed hyperbolic manifolds and gives no resolution.

References

Primary source

Danny Calegari and Alden Walker, “Random rigidity in the free group”, arXiv:1104.1768 (2013).

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