Realizable List by Circulant and Skew-Circulant Matrices

Document Type : Research Articles

Authors

Department of Mathematics, Faculty of science, Arak University, Arak 38156-8-8349, Arak, Iran.

Abstract

‎In this paper for two given sets of eigenvalues‎, ‎which one of them is the eigenvalues of circulant matrix and the other is the eigenvalues of skew-circulant matrix‎, ‎we find a nonnegative matrix‎, ‎such that the union of two sets be the spectrum of nonnegative matrices‎.

Keywords