Yue Xu

collaborators

2 papers

math.NT2026

Asymptotic independence of class-group 4-ranks in correlated pairs of imaginary quadratic fields

Yue Xu, Xiuwu Zhu

Fix a squarefree integer $d_{0} > 1$ , and let $d$ range over the positive squarefree integers coprime to $2 d_{0}$ . Although $Q (- d)$ and $Q (- d_{0} d)$ share a…

math.PR2025

Error term in the Cohen-Lenstra heuristic via random matrix approach

Yue Xu, Xiuwu Zhu

The Cohen-Lenstra heuristic predicts the distribution of ideal class groups over number fields. Random matrix models provide a natural framework for explaining this heuristic, and…