Undecidability of d<: and its decidable fragments

Jason Z. S. Hu, Ondrej Lhoták. Undecidability of d<: and its decidable fragments. Proceedings of the ACM on Programming Languages, 4(POPL), 2020. [doi]

@article{HuL20,
  title = {Undecidability of $d_{<:}$ and its decidable fragments},
  author = {Jason Z. S. Hu and Ondrej Lhoták},
  year = {2020},
  doi = {10.1145/3371077},
  url = {https://doi.org/10.1145/3371077},
  researchr = {https://researchr.org/publication/HuL20},
  cites = {0},
  citedby = {0},
  journal = {Proceedings of the ACM on Programming Languages},
  volume = {4},
  number = {POPL},
}