When is a Pair of Matrices Mortal?

Vincent D. Blondel, John N. Tsitsiklis. When is a Pair of Matrices Mortal?. Inf. Process. Lett., 63(5):283-286, 1997. [doi]

@article{BlondelT97,
  title = {When is a Pair of Matrices Mortal?},
  author = {Vincent D. Blondel and John N. Tsitsiklis},
  year = {1997},
  doi = {10.1016/S0020-0190(97)00123-3},
  url = {http://dx.doi.org/10.1016/S0020-0190(97)00123-3},
  researchr = {https://researchr.org/publication/BlondelT97},
  cites = {0},
  citedby = {0},
  journal = {Inf. Process. Lett.},
  volume = {63},
  number = {5},
  pages = {283-286},
}