A Revamped Sparse Index Tracker Leveraging K-Sparsity and Reduced Portfolio Reshuffling. - Yiu Yu Chan; Chi-Sing Leung (ICONIP (12), 2023)

Sparse Unmixing in the Presence of Mixed Noise Using ℓ0-Norm Constraint and Log-Cosh Loss. - Yiu Yu Chan; Xiao Peng Li 005; Jiajie Mai; Chi-Sing Leung; Hing Cheung So (IEEE Trans. Geosci. Remote. Sens., 2024)