@article{multigradeneuralnetworkapproximation,
  title = {Multigrade Neural Network Approximation},
  author = {Shijun Zhang and Zuowei Shen and Yuesheng Xu},
  year = {2026},
  eprint = {2601.16884},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/2601.16884},
}