Universality conjecture for the dimension of three-stars in Liouville quantum gravity
Fix a whole-plane Gaussian free field and let be the associated -Liouville quantum gravity metric for . Let denote the set of points from which three geodesics emanate pairwise disjointly except at their common starting point. Universality conjecture for three-stars. Almost surely,
The precise Hausdorff dimensions of -stars are known in some other random geometric models, including Brownian geometry and the directed landscape, but remain largely unknown for general -LQG. This conjecture predicts that the dimension of the set of three-stars is universal across the LQG parameter range.
References
Primary source
Manan Bhatia and Konstantinos Kavvadias, “Strong confluence of geodesics in Liouville quantum gravity”, arXiv:2512.09219 (2025).
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