Undecidability of the speed positiveness problem in reversible and complete Turing machines

Rodrigo Torres-Avilés. Undecidability of the speed positiveness problem in reversible and complete Turing machines. J. Comput. Syst. Sci., 121:49-56, 2021. [doi]

@article{Torres-Aviles21,
  title = {Undecidability of the speed positiveness problem in reversible and complete Turing machines},
  author = {Rodrigo Torres-Avilés},
  year = {2021},
  doi = {10.1016/j.jcss.2021.04.007},
  url = {https://doi.org/10.1016/j.jcss.2021.04.007},
  researchr = {https://researchr.org/publication/Torres-Aviles21},
  cites = {0},
  citedby = {0},
  journal = {J. Comput. Syst. Sci.},
  volume = {121},
  pages = {49-56},
}