@article{hiddenmarkovmodelfilteringwithequalexit,
  title = {Alpha-Beta HMM: Hidden Markov Model Filtering with Equal Exit Probabilities and a Step-Size Parameter},
  author = {Dongyan Sui and Haotian Pu and Siyang Leng and Stefan Vlaski},
  year = {2025},
  eprint = {2504.01759},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/2504.01759v3},
}