Confluence of geodesics in Liouville quantum gravity for ..(0,2)

Citation
Gwynne, Ewain et Miller, Jason, Confluence of geodesics in Liouville quantum gravity for ..(0,2), Annals of probability (Online) , 48(4), 2020, pp. 1861-1901
ISSN journal
2168894X
Volume
48
Issue
4
Year of publication
2020
Pages
1861 - 1901
Database
ACNP
SICI code
Abstract
We prove that for any metric, which one can associate with a Liouville quantum gravity (LQG) surface for ..(0,2) satisfying certain natural axioms, its geodesics exhibit the following confluence property. For any fixed point z, a.s. any two .-LQG geodesics started from distinct points other than z must merge into each other and subsequently coincide until they reach z. This is analogous to the confluence of geodesics property for the Brownian map proven by Le Gall (Acta Math. 205 (2010) 287.360). Our results apply for the subsequential limits of Liouville first passage percolation and are an important input in the proof of the existence and uniqueness of the LQG metric for all ..(0,2).