@article{JMLR:v27:24-0815,
  author  = {Shuoguang Yang and Qiang Sun},
  title   = {Online Generalized Sparse Regression: How Does Overparametrization Help?},
  journal = {Journal of Machine Learning Research},
  year    = {2026},
  volume  = {27},
  number  = {149},
  pages   = {1--48},
  url     = {http://jmlr.org/papers/v27/24-0815.html}
}