Fast Density Estimation for Density-based Clustering Methods. - Difei Cheng; Ruihang Xu; Bo Zhang (CoRR, 2021)

Revisit last-iterate convergence of mSGD under milder requirement on step size. - Ruinan Jin; Xingkang He; Lang Chen; Difei Cheng; Vijay Gupta 001 (NeurIPS, 2022)

Careful seeding for the k-medoids algorithm with incremental k++ cluster construction. - Difei Cheng; Bo Zhang (CoRR, 2022)

Fast density estimation for density-based clustering methods. - Difei Cheng; Ruihang Xu; Bo Zhang; Ruinan Jin (Neurocomputing, 2023)

Careful Seeding for k-Medois Clustering with Incremental k-Means++ Initialization. - Difei Cheng; Yunfeng Zhang; Ruinan Jin (J. Circuits Syst. Comput., 2024)

Stochastic Gradient Descent in Non-Convex Problems: Asymptotic Convergence with Relaxed Step-Size via Stopping Time Methods. - Ruinan Jin; Difei Cheng; Hong Qiao; Xin Shi; Shaodong Liu; Bo Zhang (CoRR, 2025)