Hong Chang Ji

I am a postdoctoral researcher at ISTA working in the group of László Erdös.

I mainly work on probability theory, with focuses on random matrices and free probability.

1. Spectral Estimators for Structured Generalized Linear Models via Approximate Message Passing (preprint),

with Yihan Zhang, Ramji Venkataramanan, and Marco Mondelli, arxiv:2308.14507

2. Density of Brown measure of free circular Brownian motion (preprint),

with László Erdős, arxiv:2307.08626

3. Wegner estimate and upper bound on the eigenvalue condition number of non-Hermitian random matrices (preprint),

with László Erdős, to appear in Communications on Pure and Applied Mathematics arXiv:2301.04981

4. Functional CLT for non-Hermitian random matrices,

with László Erdős, to appear in Annales de l’Institut Henri Poincaré, Probabilités et Statistiques, arXiv:2112.11382

5. Tracy-Widom limit for free sum of random matrices (preprint),

with Jaewhi Park, to appear in Annals of Probability arXiv:2110.05147

6. Local laws for multiplication of random matrices,

with Xiucai Ding, Annals of Applied Probability, 2023, DOI, arXiv:2010.16083

7. Spiked multiplicative random matrices and principal components,

with Xiucai Ding, Stochastic Processes and Applications, 2023, DOI, arXiv:2302.13502

8. Regularity properties of free multiplicative convolution on the positive half line,

International Mathematics Research Notices, 2021, DOI, arXiv:1903.02326

9. Gaussian fluctuations for linear spectral statistics of deformed Wigner matrices,

with Ji Oon Lee , Random Matrices: Theory and Applications, 2020, DOI, arXiv:1712.00931

Link to my CV