The Critical Liouville Quantum Gravity Metric Induces the Euclidean Topology

Jian DING; Ewain GWYNNE

doi:10.1007/s11464-022-0106-2

Frontiers of Mathematics ›› 2024, Vol. 19 ›› Issue (1) : 1 -46. DOI: 10.1007/s11464-022-0106-2

RESEARCH ARTICLE

The Critical Liouville Quantum Gravity Metric Induces the Euclidean Topology

Jian DING ¹^,^†
, Ewain GWYNNE ²

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Abstract

We show that every possible metric associated with critical $(γ = 2)$ Liouville quantum gravity (LQG) induces the same topology on the plane as the Euclidean metric. More precisely, we show that the optimal modulus of continuity of the critical LQG metric with respect to the Euclidean metric is a power of $1 / log (1 / | · |)$ . Our result applies to every possible subsequential limit of critical Liouville first passage percolation, a natural approximation scheme for the LQG metric which was recently shown to be tight.

Keywords

Liouville quantum gravity / Gaussian free field / LQG metric / critical LQG / modulus of continuity

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Jian DING, Ewain GWYNNE. The Critical Liouville Quantum Gravity Metric Induces the Euclidean Topology. Frontiers of Mathematics, 2024, 19(1): 1-46 DOI:10.1007/s11464-022-0106-2