35 citations · 196 across the 27 of their papers we have counts for
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math.ST2014★ 2 cited
Sparse and Low-Rank Covariance Matrices Estimation
Shenglong Zhou, Naihua Xiu, Ziyan Luo +1
This paper aims at achieving a simultaneously sparse and low-rank estimator from the semidefinite population covariance matrices. We first benefit from a convex optimization which…
math.OC2014★ 8 cited
Gradient Support Projection Algorithm for Affine Feasibility Problem with Sparsity and Nonnegativity
Lili Pan, Naihua Xiu, Shenglong Zhou
Let be a real measurement matrix and be an observations vector. The affine feasibility problem with sparsity and nonnegativity ( for…