Stability analysis of diagonally equipotent matrices

  • Authors:
  • Claudio Altafini

  • Affiliations:
  • -

  • Venue:
  • Automatica (Journal of IFAC)
  • Year:
  • 2013

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Abstract

Diagonally equipotent matrices are diagonally dominant matrices for which dominance is never strict in any coordinate. They appear e.g. as Laplacian matrices of signed graphs. We show in this paper that for this class of matrices it is possible to provide a complete characterization of the stability properties based only on the signs of the entries of the matrices.