@article{Liu2026Riemannian,
  author    = {Liu, Zichen and Zhang, Wei and Sch{\"u}tte, Christof and Li, Tiejun},
  title     = {Riemannian denoising diffusion probabilistic models},
  journal   = {Communications in Mathematical Sciences},
  volume    = {24},
  number    = {5},
  pages     = {1267--1295},
  year      = {2026},
}