papers

Publications (25)

math.PR2024

Cutting -Liouville quantum gravity by Schramm-Loewner evolution for $κ\not\in \{γ^2, 16/γ^2\}$

Morris Ang, Ewain Gwynne

There are many deep and useful theorems relating Schramm-Loewner evolution (SLE) and Liouville quantum gravity (-LQG) in the case when the parameters satisfy $κ\in \{γ^2…

math.PR2025

Supercritical Liouville quantum gravity and CLE

Morris Ang, Ewain Gwynne

We establish the first relationship between Schramm-Loewner evolution (SLE) and Liouville quantum gravity (LQG) in the supercritical (a.k.a. strongly coupled) phase, which correspo…

math.PR2021

Conformal welding of quantum disks

Morris Ang, Nina Holden, Xin Sun

Two-pointed quantum disks with a weight parameter are a family of finite-area random surfaces that arise naturally in Liouville quantum gravity. In this paper we show that…

cond-mat.stat-mech2026

Exact solution of three-point functions in critical loop models

Morris Ang, Gefei Cai, Jesper Lykke Jacobsen +4

We propose an exact formula for three-point functions on the sphere in critical loop models with primary fields characterized by legs and a parameter \(s\) that de…

math.PR2025

The moduli of annuli in random conformal geometry

Morris Ang, Guillaume Remy, Xin Sun

We obtain exact formulae for three basic quantities in random conformal geometry that depend on the modulus of an annulus. The first is for the law of the modulus of the Brownian a…

math.PR2026

Quantum Loewner evolution in quantum natural time: phases and Markov properties

Morris Ang, Deven Mithal

Quantum Loewner evolution (QLE)$(γ^2, η)$ is a family of growth processes in random environments, introduced by Miller and Sheffield (arXiv:1312.5745) as candidate scaling limits…

math.PR2024

Critical Liouville quantum gravity and CLE

Morris Ang, Ewain Gwynne

Consider a critical () Liouville quantum gravity (LQG) disk together with an independent conformal loop ensemble (CLE) with parameter . We show that the critical LQG su…

math.PR2022

FZZ formula of boundary Liouville CFT via conformal welding

Morris Ang, Guillaume Remy, Xin Sun

Liouville Conformal Field Theory (LCFT) on the disk describes the conformal factor of the quantum disk, which is the natural random surface in Liouville quantum gravity with disk t…

math-ph2024

Integrability of Conformal Loop Ensemble: Imaginary DOZZ Formula and Beyond

Morris Ang, Gefei Cai, Xin Sun +1

The scaling limit of the probability that points are on the same cluster for 2D critical percolation is believed to be governed by a conformal field theory (CFT). Although this…

math.PR2024

Boundary touching probability and nested-path exponent for non-simple CLE

Morris Ang, Xin Sun, Pu Yu +1

The conformal loop ensemble (CLE) has two phases: for , the loops are simple and do not touch each other or the boundary; for , the loops are non-simpl…

math.PR2020

Volume of metric balls in Liouville quantum gravity

Morris Ang, Hugo Falconet, Xin Sun

We study the volume of metric balls in Liouville quantum gravity (LQG). For , it has been known since the early work of Kahane (1985) and Molchan (1996) that the LQG v…

math.PR2024

Reversibility of whole-plane SLE for

Morris Ang, Pu Yu

Whole-plane SLE is a random fractal curve between two points on the Riemann sphere. Zhan established for that whole-plane SLE is reversible, meaning invariant…

math.PR2020

Large deviations of radial SLE

Morris Ang, Minjae Park, Yilin Wang

We derive the large deviation principle for radial Schramm-Loewner evolution () on the unit disk with parameter . Restricting to the time…

math.PR2024

Derivation of all structure constants for boundary Liouville CFT

Morris Ang, Guillaume Remy, Xin Sun +1

We prove that the probabilistic definition of the most general boundary three-point and bulk-boundary structure constants in Liouville conformal field theory (LCFT) agree respectiv…

math.PR2023

The SLE loop via conformal welding of quantum disks

Morris Ang, Nina Holden, Xin Sun

We prove that the SLE loop measure arises naturally from the conformal welding of two -Liouville quantum gravity (LQG) disks for $γ^2 = κ\in (0,4)$. The proof relies on…

math.PR2020

Liouville quantum gravity surfaces with boundary as matings of trees

Morris Ang, Ewain Gwynne

For , the quantum disk and -quantum wedge are two of the most natural types of Liouville quantum gravity (LQG) surfaces with boundary. These surfaces arise as scal…

math.PR2025

Conformal welding of quantum disks and multiple SLE: the non-simple case

Morris Ang, Nina Holden, Xin Sun +1

Two-pointed quantum disks with a weight parameter is a canonical family of finite-volume random surfaces in Liouville quantum gravity. We extend the conformal welding of quan…

math.PR2019

Comparison of discrete and continuum Liouville first passage percolation

Morris Ang

Discrete and continuum Liouville first passage percolation (DLFPP, LFPP) are two approximations of the conjectural -Liouville quantum gravity (LQG) metric, obtained by exponent…

math.PR2024

SLE Loop Measure and Liouville Quantum Gravity

Morris Ang, Gefei Cai, Xin Sun +1

As recently shown by Holden and two of the authors, the conformal welding of two Liouville quantum gravity (LQG) disks produces a canonical variant of SLE curve whose law is called…

math.PR2020

Brownian loops and the central charge of a Liouville random surface

Morris Ang, Minjae Park, Joshua Pfeffer +1

We explore the geometric meaning of the so-called zeta-regularized determinant of the Laplace-Beltrami operator on a compact surface, with or without boundary. We relate the $(-c/2…

math.PR2025

The - relation in mating of trees

Morris Ang, Xin Sun, Pu Yu

In the mating-of-trees approach to Schramm-Loewner evolution (SLE) and Liouville quantum gravity (LQG), it is natural to consider two pairs of correlated Brownian motions coupled t…

math.PR2026

Radial conformal welding in Liouville quantum gravity

Morris Ang, Pu Yu

The seminal work of Sheffield showed that when random surfaces called Liouville quantum gravity (LQG) are conformally welded, the resulting interface is Schramm-Loewner evolution (…

math.PR2022

Integrability of SLE via conformal welding of random surfaces

Morris Ang, Nina Holden, Xin Sun

We demonstrate how to obtain integrable results for the Schramm-Loewner evolution (SLE) from Liouville conformal field theory (LCFT) and the mating-of-trees framework for Liouville…

math.PR2024

Liouville conformal field theory and the quantum zipper

Morris Ang

Sheffield showed that conformally welding a -Liouville quantum gravity (LQG) surface to itself gives a Schramm-Loewner evolution (SLE) curve with parameter $κ= γ^2$ as the in…

math.PR2024

Quantum triangles and imaginary geometry flow lines

Morris Ang, Xin Sun, Pu Yu

We define a three-parameter family of random surfaces in Liouville quantum gravity (LQG) which can be viewed as the quantum version of triangles. These quantum triangles are natura…