activity
20192026
most citedMultiple Points of Gaussian Random Fields

2 citations · 3 across the 18 of their papers we have counts for

collaborators

20 papers

math.PR2026

Sharp regularity and small ball probabilities for the stochastic heat equation on bounded domains

Jingwu Hu, Cheuk Yin Lee

We consider the stochastic heat equation on a bounded Lipschitz domain with zero Dirichlet boundary condition and zero initial condit…

math.PR2026

Sharp moduli of continuity for Gaussian fields and stochastic PDEs via correlation bounds

Cheuk Yin Lee, Tianyi Zhang

Exact uniform and local moduli of continuity for anisotropic Gaussian random fields are established under a general framework based on correlation bounds for pairwise increments. T…

math.PR2026

On the slow points of fractional Brownian motion

Davar Khoshnevisan, Cheuk Yin Lee

Esser and Loosveldt have recently resolved a long-standing open problem in the folklore by proving that fractional Brownian motion (fBm) has slow points in the sense of Kahane, fol…

math.PR2025

Points of slow growth for parabolic SPDEs

Davar Khoshnevisan, Cheuk Yin Lee

Consider the stochastic PDE, on , subject to , where denotes space-time white noi…

math.PR2025

Uniform dimension theorems for parabolic SPDEs

Davar Khoshnevisan, Cheuk Yin Lee, Fei Pu +1

Consider the following -dimensional system of Itô type stochastic PDEs, \begin{align*}\left[\begin{aligned} &\partial_t u(t\,,x) = \partial^2_x u(t\,,x) + b(u(t\,,x)) + σ(u(t\,,…

math.PR2025

Propagation of Singularities for the Damped Stochastic Klein-Gordon Equation

Hongyi Chen, Cheuk Yin Lee

For the dimensional damped stochastic Klein-Gordon equation, we show that random singularities associated with the law of the iterated logarithm exist and propogate in the sa…

math.PR2025

On the spatio-temporal increments of nonlinear parabolic SPDEs and the open KPZ equation

Jingwu Hu, Cheuk Yin Lee

We study spatio-temporal increments of the solutions to nonlinear parabolic SPDEs on a bounded interval with Dirichlet, Neumann, or Robin boundary conditions. We identify the exact…

math.PR2025

On the passage times of self-similar Gaussian processes on curved boundaries

Davar Khoshnevisan, Cheuk Yin Lee

Let denote the smallest that a continuous, self-similar Gaussian process with self-similarity index moves at least units. We prove that: (i) If…

math.PR2025

Hitting probabilities, thermal capacity, and Hausdorff dimension results for the Brownian sheet

Cheuk Yin Lee, Yimin Xiao

Let be an -Brownian sheet and let and be compact sets. We prove a necessary and suff…

q-fin.MF2024

Growth rate of liquidity provider's wealth in G3Ms

Cheuk Yin Lee, Shen-Ning Tung, Tai-Ho Wang

We study how trading fees and continuous-time arbitrage affect the profitability of liquidity providers (LPs) in Geometric Mean Market Makers (G3Ms). We use stochastic reflected di…

math.PR2023★ 1 cited

Local times of anisotropic Gaussian random fields and stochastic heat equation

Cheuk Yin Lee, Yimin Xiao

We study the local times of a large class of Gaussian random fields satisfying strong local nondeterminism with respect to an anisotropic metric. We establish moment estimates and…

math.PR2023

Polarity of points for systems of nonlinear stochastic heat equations in the critical dimension

Cheuk Yin Lee, Yimin Xiao

Let be the solution to the systems of nonlinear stochastic heat equations \[ \begin{split} \frac{\partial}{\partial t} u(t, x) &= \frac{\p…

math.PR2022

Hitting probabilities of Gaussian random fields and collision of eigenvalues of random matrices

Cheuk Yin Lee, Jian Song, Yimin Xiao +1

Let be a centered Gaussian random field with values in satisfying certain conditions and let be a Borel set.…

math.PR2021

Chung-type law of the iterated logarithm and exact moduli of continuity for a class of anisotropic Gaussian random fields

Cheuk Yin Lee, Yimin Xiao

We establish a Chung-type law of the iterated logarithm and the exact local and uniform moduli of continuity for a large class of anisotropic Gaussian random fields with a harmoniz…

math.PR2021

Local nondeterminism and local times of the stochastic wave equation driven by fractional-colored noise

Cheuk Yin Lee

We investigate the existence and regularity of the local times of the solution to a linear system of stochastic wave equations driven by a Gaussian noise that is fractional in time…

math.PR2020

The Hausdorff measure of the range and level sets of Gaussian random fields with sectorial local nondeterminism

Cheuk Yin Lee

We determine the exact Hausdorff measure functions for the range and level sets of a class of Gaussian random fields satisfying sectorial local nondeterminism and other assumptions…

math.PR2020

The Multiple Points of Fractional Brownian Motion

Mark Landry, Cheuk Yin Lee, Paige Pearcy

Nils Tongring (1987) proved sufficient conditions for a compact set to contain -tuple points of a Brownian motion. In this paper, we extend these findings to the fractional Brow…

math.PR2019

Propagation of Singularities for the Stochastic Wave Equation

Cheuk Yin Lee, Yimin Xiao

We study the existence and propagation of singularities of the solution to a one-dimensional linear stochastic wave equation driven by an additive Gaussian noise that is white in t…

math.PR2019★ 2 cited

Multiple Points of Gaussian Random Fields

Robert C. Dalang, Cheuk Yin Lee, Carl Mueller +1

This paper is concerned with the existence of multiple points of Gaussian random fields. Under the framework of Dalang et al. (2017), we prove that, for a wide class of Gaussian ra…

math.PR2019

Local Nondeterminism and the Exact Modulus of Continuity for Stochastic Wave Equation

Cheuk Yin Lee, Yimin Xiao

We consider the linear stochastic wave equation driven by a Gaussian noise. We show that the solution satisfies a certain form of strong local nondeterminism and we use this proper…