# Inverse eigenvalue problems for centrosymmetric matrices under a central principal submatrix constraint

Volume 17, Issue 4, pp 477-487
Publication Date: October 14, 2017 Submission Date: December 29, 2016
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### Authors

Li-Jun Zhao - School of Mathematics and Information Engineering, Taizhou University, Linhai, Zhejiang, 317000, P. R. China Ru Huang - Department of Mathematics and Computer Science, Emory University, Atlanta, Georgia 30322, USA

### Abstract

This article considers an inverse eigenvalue problem for centrosymmetric matrices under a central principal submatrix constraint and the corresponding optimal approximation problem. We first discuss the specified structure of centrosymmetric matrices and their central principal submatrices. Then we give some necessary and sufficient conditions for the solvability of the inverse eigenvalue problem, and we derive an expression for its general solution. Finally, we obtain an expression for the solution to the corresponding optimal approximation problem.

### Share and Cite

##### ISRP Style

Li-Jun Zhao, Ru Huang, Inverse eigenvalue problems for centrosymmetric matrices under a central principal submatrix constraint, Journal of Mathematics and Computer Science, 17 (2017), no. 4, 477-487

##### AMA Style

Zhao Li-Jun, Huang Ru, Inverse eigenvalue problems for centrosymmetric matrices under a central principal submatrix constraint. J Math Comput SCI-JM. (2017); 17(4):477-487

##### Chicago/Turabian Style

Zhao, Li-Jun, Huang, Ru. "Inverse eigenvalue problems for centrosymmetric matrices under a central principal submatrix constraint." Journal of Mathematics and Computer Science, 17, no. 4 (2017): 477-487

### Keywords

• Centrosymmetric matrix
• central principal submatrix
• inverse eigenvalue problem
• optimal approximation problem

•  15A57
•  15A18
•  65F35

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