activity
20192026
most citedOn Generalizing Trace Minimization

8 citations · 15 across the 11 of their papers we have counts for

collaborators

12 papers

math.NA2026

NEPv Approach for Optimization on Stiefel Manifold with the -norm Regularization

Ren-Cang Li, Li Wang, Lei-Hong Zhang +1

Row-sparse projection provides a useful tool in machine learning (ML) when it comes to, for example, feature selection, aiming to choose most relevant features for various ML objec…

math.NA2026

On a Conjecture Related to Eigenvalue Perturbations

Lei-Hong Zhang, Ren-Cang Li

In connection with eigenvalue perturbation bounds, Li [Linear Algebra Appl., 278 (1998), pp. 317-326] formulated three minimization problems involving Hadamard products. The third…

math.NA2026

A Sharp Unitarily Invariant Norm Bound for the Off-Diagonal Block Perturbation of a Hermitian Matrix

Lei-Hong Zhang, Ren-Cang Li

Let be partitioned Hermitian matrices,…

math.NA2026

An NPDo Approach for Principal Joint Block Diagonalization

Ren-Cang Li, Ding Lu, Li Wang +1

Matrix joint block-diagonalization (JBD) frequently arises from diverse applications such as independent component analysis, blind source separation, and common principal component…

math.NA2025

An NEPv Approach for Feature Selection via Orthogonal OCCA with the (2,1)-norm Regularization

Li Wang, Lei-Hong Zhang, Ren-Cang Li

A novel feature selection model via orthogonal canonical correlation analysis with the -norm regularization is proposed, and the model is solved by a practical NEPv approach…

math.NA2024

On Stewart's Perturbation Theorem for SVD

Ren-Cang Li, Ninoslav Truhar, Lei-Hong Zhang

This paper establishes a variant of Stewart's theorem (Theorem~6.4 of Stewart, {\em SIAM Rev.}, 15:727--764, 1973) for the singular subspaces associated with the SVD of a matrix su…

math.NA2024★ 1 cited

Quality of Approximate Balanced Truncation

Lei-Hong Zhang, Ren-Cang Li

Model reduction is a powerful tool in dealing with numerical simulation of large scale dynamic systems for studying complex physical systems. Two major types of model reduction met…

math.NA2021★ 8 cited

On Generalizing Trace Minimization

Xin Liang, Li Wang, Lei-Hong Zhang +1

Ky Fan's trace minimization principle is extended along the line of the Brockett cost function in on the Stiefel manifold, where of an apt size is…

math.OC2021★ 1 cited

Trace Ratio Optimization with an Application to Multi-view Learning

Li Wang, Lei-Hong Zhang, Ren-Cang Li

A trace ratio optimization problem over the Stiefel manifold is investigated from the perspectives of both theory and numerical computations. At least three special cases of the pr…

cs.LG2020

Uncorrelated Semi-paired Subspace Learning

Li Wang, Lei-Hong Zhang, Chungen Shen +1

Multi-view datasets are increasingly collected in many real-world applications, and we have seen better learning performance by existing multi-view learning methods than by convent…

math.NA2020

Solving Symmetric and Positive Definite Second-Order Cone Linear Complementarity Problem by A Rational Krylov Subspace Method

Yiding Lin, Xiang Wang, Leihong Zhang

The second-order cone linear complementarity problem (SOCLCP) is a generalization of the classical linear complementarity problem. It has been known that SOCLCP, with the globally…

cs.LG2019★ 5 cited

A Self-consistent-field Iteration for Orthogonal Canonical Correlation Analysis

Leihong Zhang, Li Wang, Zhaojun Bai +1

We propose an efficient algorithm for solving orthogonal canonical correlation analysis (OCCA) in the form of trace-fractional structure and orthogonal linear projections. Even tho…