@article{riemannianmultiplicativeupdateforsparse,
  title = {Riemannian Optimization on the Oblique Manifold for Sparse Simplex Constraints via Multiplicative Updates},
  author = {Flavia Esposito and Andersen Ang},
  year = {2025},
  eprint = {2503.24075},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/2503.24075v2},
}