activity
20142026
most citedBoundary regularity for nonlocal operators with kernels of variable orders

20 citations · 48 across the 14 of their papers we have counts for

collaborators

15 papers

math.PR2026

Mesoscopic eigenvalue statistics for correlated random matrices

László Erdős, Jaehun Lee

We prove a mesoscopic central limit theorem for linear eigenvalue statistics of correlated Hermitian random matrices. The class considered here includes Wigner and Wigner-type matr…

math.PR2023★ 2 cited

Phase transition for the smallest eigenvalue of covariance matrices

Zhigang Bao, Jaehun Lee, Xiaocong Xu

In this paper, we study the smallest non-zero eigenvalue of the sample covariance matrices , where is an matrix with iid mean vari…

math.PR2023

Extremal spectral behavior of weighted random -regular graphs

Jaehun Lee, Kyeongsik Nam

Analyzing the spectral behavior of random matrices with dependency among entries is a challenging problem. The adjacency matrix of the random -regular graph is a prominent examp…

math.PR2022

Laws of the iterated logarithm for occupation times of Markov processes

Soobin Cho, Panki Kim, Jaehun Lee

In this paper, we discuss the laws of the iterated logarithm (LIL) for occupation times of Markov processes in general metric measure space both near zero and near infinity und…

math.PR2022

General Law of iterated logarithm for Markov processes: Liminf laws

Soobin Cho, Panki Kim, Jaehun Lee

Continuing from arXiv:2102.01917v2, in this paper, we discuss general criteria and forms of liminf laws of iterated logarithm (LIL) for continuous-time Markov processes. Under some…

math.PR2021

Higher order fluctuations of extremal eigenvalues of sparse random matrices

Jaehun Lee

We consider extremal eigenvalues of sparse random matrices, a class of random matrices including the adjacency matrices of Erdős-Rényi graphs . Recently, it was s…

math.PR2021

Noise sensitivity for the top eigenvector of a sparse random matrix

Charles Bordenave, Jaehun Lee

We investigate the noise sensitivity of the top eigenvector of a sparse random symmetric matrix. Let be the top eigenvector of an sparse random symmetric matrix wit…

math.PR2021

General Law of iterated logarithm for Markov processes: Limsup law

Soobin Cho, Panki Kim, Jaehun Lee

In this paper, we discuss general criteria of limsup law of iterated logarithm (LIL) for continuous-time Markov processes. We consider minimal assumptions for LILs to hold at zero(…

math.PR2020

Noise sensitivity of second-top eigenvectors of Erdős-Rényi graphs and sparse matrices

Jaehun Lee

We consider eigenvectors of adjacency matrices of Erdős-Rényi graphs and study the variation of their directions by resampling the entries randomly. Let be the eigenve…

math.PR2019★ 5 cited

Heat kernel estimates and their stabilities for symmetric jump processes with general mixed polynomial growths on metric measure spaces

Joohak Bae, Jaehoon Kang, Panki Kim +1

In this paper, we consider a symmetric pure jump Markov process on a metric measure space with volume doubling conditions. Our focus is on estimating the transition density $p(…

math.PR2018★ 4 cited

Heat kernel estimates for symmetric jump processes with mixed polynomial growths

Joohak Bae, Jaehoon Kang, Panki Kim +1

In this paper, we study the transition densities of pure-jump symmetric Markov processes in , whose jumping kernels are comparable to radially symmetric functions w…

math.AP2018★ 20 cited

Boundary regularity for nonlocal operators with kernels of variable orders

Minhyun Kim, Panki Kim, Jaehun Lee +1

We study the boundary regularity of solutions of the Dirichlet problem for the nonlocal operator with a kernel of variable orders. Since the order of differentiability of the kerne…

math.PR2018★ 10 cited

Zeros of random polynomials and its higher derivatives

Sung-Soo Byun, Jaehun Lee, Tulasi Ram Reddy

In this article we study the limiting empirical measure of zeros of higher derivatives for sequences of random polynomials. We show that these measures agree with the limiting empi…

math.PR2017★ 7 cited

Delocalization and Limiting Spectral Distribution of Erdős-Rényi Graphs with Constant Expected Degree

Paul Jung, Jaehun Lee

We consider Erdős-Rényi graphs with large constant expected degree and . Bordenave and Lelarge (2010) showed that the infinite-volume limit, in the Benjamin…

math.CO2014

On Isomorphism Classes of Generalized Fibonacci Cubes

Jernej Azarija, Sandi Klavžar, Jaehun Lee +2

The generalized Fibonacci cube is the subgraph of the -cube induced on the set of all strings of length that do not contain as a substring. It is proved t…