nonnegative eigenvalue
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Mathematics ◽  
2020 ◽  
Vol 8 (4) ◽  
pp. 559
Author(s):  
Luis Medina ◽  
Hans Nina ◽  
Elvis Valero

The nonnegative inverse eigenvalue problem (NIEP) consists of finding necessary and sufficient conditions for the existence of a nonnegative matrix with a given list of complex numbers as its spectrum. If the matrix is required to be Leslie (doubly Leslie), the problem is called the Leslie (doubly Leslie) nonnegative eigenvalue inverse problem. In this paper, necessary and/or sufficient conditions for the existence and construction of Leslie and doubly Leslie matrices with a given spectrum are considered.


2014 ◽  
Vol 52 (4) ◽  
pp. 2278-2287 ◽  
Author(s):  
Chunle Wang ◽  
Weidong Yu ◽  
Robert Wang ◽  
Yunkai Deng ◽  
Fengjun Zhao

2014 ◽  
Vol 35 (11) ◽  
pp. 2678-2685
Author(s):  
Gao-feng Liu ◽  
Ming Li ◽  
Ya-jun Wang ◽  
Peng Zhang ◽  
Yan Wu

2013 ◽  
Vol 49 (6) ◽  
pp. 419-420 ◽  
Author(s):  
G. F. Liu ◽  
M. Li ◽  
Y. J. Wang ◽  
P. Zhang

1958 ◽  
Vol 10 ◽  
pp. 587-591 ◽  
Author(s):  
C. R. Putnam

It is known (Perron (10); Frobenius (5, 6)) that if A = (a ik ) is a finite matrix with elements aik ⩾ 0, then A has a real, nonnegative eigenvalue μ, satisfying μ =max|λ| where λ is in the spectrum of A, with a corresponding eigenvector x = (x 1, … , xn) for which x i≥ 0. Moreover if a ik > 0, then μ is a simple point of the spectrum with an eigenvector x (unique, except for constant multiples) with components xi ≥0. Much has been written on this and related issues; cf., for example, the recent papers (4, 12) wherein are given several references.


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