Unboundedness and downward closures of higher-order pushdown automata

Matthew Hague, Jonathan Kochems, C.-H. Luke Ong. Unboundedness and downward closures of higher-order pushdown automata. In Rastislav Bodik, Rupak Majumdar, editors, Proceedings of the 43rd Annual ACM SIGPLAN-SIGACT Symposium on Principles of Programming Languages, POPL 2016, St. Petersburg, FL, USA, January 20 - 22, 2016. pages 151-163, ACM, 2016. [doi]

@inproceedings{HagueKO16,
  title = {Unboundedness and downward closures of higher-order pushdown automata},
  author = {Matthew Hague and Jonathan Kochems and C.-H. Luke Ong},
  year = {2016},
  doi = {10.1145/2837614.2837627},
  url = {http://doi.acm.org/10.1145/2837614.2837627},
  researchr = {https://researchr.org/publication/HagueKO16},
  cites = {0},
  citedby = {0},
  pages = {151-163},
  booktitle = {Proceedings of the 43rd Annual ACM SIGPLAN-SIGACT Symposium on Principles of Programming Languages, POPL 2016, St. Petersburg, FL, USA, January 20 - 22, 2016},
  editor = {Rastislav Bodik and Rupak Majumdar},
  publisher = {ACM},
  isbn = {978-1-4503-3549-2},
}