@article{JMLR:v27:23-0535,
  author  = {Oscar Hernan Madrid Padilla and Yanzhen Chen and Carlos Misael Madrid Padilla and Gabriel Ruiz},
  title   = {A causal fused lasso for interpretable heterogeneous treatment effects estimation},
  journal = {Journal of Machine Learning Research},
  year    = {2026},
  volume  = {27},
  number  = {40},
  pages   = {1--56},
  url     = {http://jmlr.org/papers/v27/23-0535.html}
}