Title of article :
A characterization of trace zero nonnegative 5×5 matrices Original Research Article
Author/Authors :
Thomas J. Laffey، نويسنده , , Eleanor Meehan، نويسنده ,
Issue Information :
روزنامه با شماره پیاپی سال 1999
Abstract :
Let σ=(λ1,λ2,λ3,λ4,λ5) be a list of complex numbers with λ1+λ2+λ3+λ4+λ5=0. Necessary and sufficient conditions for the existence of an entry-wise nonnegative 5×5 matrix A with spectrum σ are presented.
Keywords :
matrix , Spectrum , graph , Petersen graph , Nonnegative inverse eigenvalueproblem , cycles
Journal title :
Linear Algebra and its Applications
Journal title :
Linear Algebra and its Applications
