Mathematics Faculty Articles
On Eigenvalue and Singular Value Inequalities for Matrix Product
Document Type
Article
Publication Date
1-1-1987
Publication Title
Journal of Beijing Normal University
Keywords
Matrix, Eigenvalue, Singular value
ISSN
0476-0301
Volume
1987
Issue/No.
3
First Page
1
Last Page
4
Abstract
Let H∈Cn×n have real eigenvalues λ1(H)≥⋯≥λn(H). It is known that if G and H are two nonnegative matrices, then ∑kt=1λt(GH)≥∑kt=1λt(G)λn−t+1(H). The authors prove that in this case if 1≤i1 ∑t=1kλit(GH)≥∑t=1kλit(G)λn−t+1(H) and ∑t=1kλt(GH)≥∑t=1kλit(G)λn−it+1(H).
NSUWorks Citation
Wang, Bo-Ying and Zhang, Fuzhen, "On Eigenvalue and Singular Value Inequalities for Matrix Product" (1987). Mathematics Faculty Articles. 81.
https://nsuworks.nova.edu/math_facarticles/81
Comments
Alternate Title: Beijing Shifan Daxue Xuebao (Ziran Kexue Ban)