Centrosymmetric nonnegative realization of spectra

Ana I. Julio, Oscar Rojo, Ricardo L. Soto

A list $\Lambda =\{{\lambda }_1,{\lambda }_2,\dots ,{\lambda }_n\}$ of complex numbers is said to be realizable if it is the spectrum of an entrywise nonnegative matrix. In this paper we intent to characteri…