On Open Problems of Nonnegative Inverse Eigenvalues Problem

DOI: 10.4236/apm.2011.14025   PDF   HTML     6,771 Downloads   14,723 Views   Citations


In this paper, we give solvability conditions for three open problems of nonnegative inverse eigenvalues problem (NIEP) which were left hanging in the air up to seventy years. It will offer effective ways to judge an NIEP whether is solvable.

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J. Wu, "On Open Problems of Nonnegative Inverse Eigenvalues Problem," Advances in Pure Mathematics, Vol. 1 No. 4, 2011, pp. 128-132. doi: 10.4236/apm.2011.14025.

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The authors declare no conflicts of interest.


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