@article{JMLR:v27:25-1861,
  author  = {Dingcheng Luo and Thomas O'Leary-Roseberry and Peng Chen and Omar Ghattas},
  title   = {Dimension Reduction for Derivative-Informed Operator Learning: An Analysis of Approximation Errors},
  journal = {Journal of Machine Learning Research},
  year    = {2026},
  volume  = {27},
  number  = {182},
  pages   = {1--94},
  url     = {http://jmlr.org/papers/v27/25-1861.html}
}