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C. Johnson, T. J. Laffey and R. Loewy, “The Real and the Symmetric Nonnega-tive Inverse Eigenvalue Problems are Different,” Proceedings of the American Mathematical Society, Vol. 124, 1996, PP. 3647-3651. doi:10.1090/S0002-9939-96-03587-3

has been cited by the following article:

• TITLE: On Open Problems of Nonnegative Inverse Eigenvalues Problem

  AUTHORS: Jun-Liang Wu

  KEYWORDS: Inverse Eigenvalues Problem, Nonnegative Inverse Eigenvalues Problem, Solvability, Nonnegative Matrix, Spectrum of Matrix

  JOURNAL NAME: Advances in Pure Mathematics, Vol.1 No.4, July 28, 2011

  ABSTRACT: 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.