A Variational Approach to Copositive Matrices

@article{HiriartUrruty2010AVA,
  title={A Variational Approach to Copositive Matrices},
  author={Jean-Baptiste Hiriart-Urruty and Alberto Seeger},
  journal={SIAM Review},
  year={2010},
  volume={52},
  pages={593-629}
}
This work surveys essential properties of the so-called copositive matrices, the study of which is spread over more than fifty-five years. Special emphasis is given to variational aspects related to the concept of copositivity. In addition, some new results on the geometry of the cone of copositive matrices are presented here for the first time. Mathematics Subject Classification. 15A49, 90C20. 
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