A Greedy Algorithm for Sparse Precision Matrix Approximation. Journal of Computational Mathematics, [S. l.], v. 39, n. 5, p. 693–707, 2021. DOI: 10.4208/jcm.2005-m2019-0151. Disponível em: https://gsp.tricubic.dev/JCM/article/view/12477. Acesso em: 14 mar. 2026.