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math.SP2018
On universal realizability of spectra
Ana I. Julio, Carlos Marijuán, Miriam Pisonero +1
A list of complex numbers is said to be realizable if it is the spectrum of an entrywise nonnegative matrix. The list is said to be universall…
math.SP2018★ 1 cited
On Fillmore's theorem extended by Borobia
Ana I. Julio, Ricardo L. Soto
Fillmore Theorem says that if A is an nxn complex non-scalar matrix and γ_1,...,γ_{n} are complex numbers with γ_1+...+γ_{n}=trA, then there exists a matrix B similar to A with dia…