Title of article :
On the nonnegative inverse eigenvalue problem of traditional matrices
Author/Authors :
Nazari, A. M. Department of Mathematics - Faculty of Science - Arak University , S. Kamali Maher, S. Department of Mathematics - Faculty of Science - Arak University
Abstract :
In this paper, at rst for a given set of real or complex numbers with nonnegative
summation, we introduce some special conditions that with them there is no nonnegative
tridiagonal matrix in which is its spectrum. In continue we present some conditions for
existence such nonnegative tridiagonal matrices.
Keywords :
Inverse eigenvalue problem , Tridiagonal matrix , Nonnegative matrix
Journal title :
Astroparticle Physics
