@article{JMLR:v22:20-751,
  author  = {Rui Wang and Yuesheng Xu},
  title   = {Representer Theorems in Banach Spaces: Minimum Norm Interpolation, Regularized Learning and Semi-Discrete Inverse Problems},
  journal = {Journal of Machine Learning Research},
  year    = {2021},
  volume  = {22},
  number  = {225},
  pages   = {1--65},
  url     = {http://jmlr.org/papers/v22/20-751.html}
}