@article{lifelonglearningwithachangingactionset,
  title = {Lifelong Learning with a Changing Action Set},
  author = {Yash Chandak and Georgios Theocharous and Chris Nota and Philip S. Thomas},
  year = {2019},
  eprint = {1906.01770},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/1906.01770v3},
}