@article{JMLR:v27:24-0734,
  author  = {Yuhua Zhu},
  title   = {PhiBE: A PDE-Based Bellman Equation for Continuous-Time Policy Evaluation},
  journal = {Journal of Machine Learning Research},
  year    = {2026},
  volume  = {27},
  number  = {211},
  pages   = {1--68},
  url     = {http://jmlr.org/papers/v27/24-0734.html}
}