Fast algorithm for complex-NMF with application to source separation. - Andersen Ang; Valentin Leplat; Nicolas Gillis (EUSIPCO, 2021)

Fast Projection onto the Capped Simplex withApplications to Sparse Regression in Bioinformatics. - Andersen Ang; Jianzhu Ma; Nianjun Liu; Kun Huang; Yijie Wang (CoRR, 2021)

Inhomogeneous graph trend filtering via a l2, 0 cardinality penalty. - Xiaoqing Huang; Andersen Ang; Jie Zhang; Yijie Wang (CoRR, 2023)

Chordal-NMF with Riemannian Multiplicative Update. - Flavia Esposito; Andersen Ang (CoRR, 2024)

Sum-of-norms regularized Nonnegative Matrix Factorization. - Andersen Ang; Waqas Bin Hamed; Hans De Sterck (CoRR, 2024)

MGProx: A Nonsmooth Multigrid Proximal Gradient Method with Adaptive Restriction for Strongly Convex Optimization. - Andersen Ang; Hans De Sterck; Stephen A. Vavasis (SIAM J. Optim., 2024)

Inhomogeneous Graph Trend Filtering via a $ ell _{2,0}$-Norm Cardinality Penalty. - Xiaoqing Huang; Andersen Ang; Kun Huang; Jie Zhang; Yijie Wang (IEEE Trans. Signal Inf. Process. over Networks, 2025)

Sparse Hyperparametric Itakura-Saito NMF via Bi-Level Optimization. - Laura Selicato; Flavia Esposito; Andersen Ang; Nicoletta Del Buono; Rafal Zdunek (CoRR, 2025)

Riemannian Multiplicative Update for Sparse Simplex constraint using oblique rotation manifold. - Flavia Esposito; Andersen Ang (CoRR, 2025)