@article{JMLR:v27:25-0399,
  author  = {Xi Wang and Liang Bai and Xian Yang and Richard Yi Da Xu and Jiye Liang},
  title   = {Bridging Domain Invariance and Diversity: A Fine-Grained Risk Bound for Domain Generalization},
  journal = {Journal of Machine Learning Research},
  year    = {2026},
  volume  = {27},
  number  = {137},
  pages   = {1--54},
  url     = {http://jmlr.org/papers/v27/25-0399.html}
}