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Factorizations of Totally Negative Matrices

  • V. Cortés
  • J.M. Peña
Part of the Operator Theory: Advances and Applications book series (OT, volume 199)

Abstract

A matrix is called totally negative if all its minors are negative. In this paper we characterize two decompositions of totally negative matrices: the QR decomposition and the symmetric-triangular decomposition.

Mathematics Subject Classification (2000)

15A23 65F25 15A48 15A15 

Keywords

Totally negative matrix QR decomposition symmetric-triangular decomposition 

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Copyright information

© Birkhäuser Verlag Basel/Switzerland 2010

Authors and Affiliations

  • V. Cortés
    • 1
  • J.M. Peña
    • 1
  1. 1.Depto. Matemática AplicadaUniversidad de ZaragozaZaragozaSpain

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