most citedPerron similarities and the nonnegative inverse eigenvalue problem

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math.SP2024★ 1 cited

Perron similarities and the nonnegative inverse eigenvalue problem

Charles R. Johnson, Pietro Paparella

The longstanding nonnegative inverse eigenvalue problem (NIEP) is to determine which multisets of complex numbers occur as the spectrum of an entry-wise nonnegative matrix. Althoug…