@article{JMLR:v27:25-2383,
  author  = {Jared Lawrence and Ari Kalinsky and Hannah Bradfield and Yair Carmon and Oliver Hinder},
  title   = {The Sample Complexity of Parameter-Free Stochastic Convex Optimization},
  journal = {Journal of Machine Learning Research},
  year    = {2026},
  volume  = {27},
  number  = {133},
  pages   = {1--46},
  url     = {http://jmlr.org/papers/v27/25-2383.html}
}