Zhichao Wang

collaborators

2 papers

stat.ML2025

Universality of Kernel Random Matrices and Kernel Regression in the Quadratic Regime

Parthe Pandit, Zhichao Wang, Yizhe Zhu

Kernel ridge regression (KRR) is a popular class of machine learning models that has become an important tool for understanding deep learning. Much of the focus thus far has been o…

math.PR2025

Singular values of sparse random rectangular matrices: Emergence of outliers at criticality

Ioana Dumitriu, Hai-Xiao Wang, Zhichao Wang +1

Consider the random bipartite ErdÅs-RÃ©nyi graph $G (n, m, p)$ , where each edge with one vertex in $V_{1} = [n]$ and the other vertex in $V_{2} = [m]$ is connected with proba…