@article{identifyinglowdimensionalstructuresin,
  title = {Identifying Sparse Low-Dimensional Structures in Markov Chains: A Nonnegative Matrix Factorization Approach},
  author = {Mahsa Ghasemi and Abolfazl Hashemi and Haris Vikalo and Ufuk Topcu},
  year = {2019},
  eprint = {1909.12898},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/1909.12898v2},
}