Linear-Time Copositivity Detection for Tridiagonal Matrices and Extension to Block-Tridiagonality

@article{Bomze2000LinearTimeCD,
  title={Linear-Time Copositivity Detection for Tridiagonal Matrices and Extension to Block-Tridiagonality},
  author={Immanuel M. Bomze},
  journal={SIAM J. Matrix Analysis Applications},
  year={2000},
  volume={21},
  pages={840-848}
}