@article{neuralnetworkswithdenseweightsarenotuniv,
  title = {Neural Networks With Dense Weights Are Not Universal Approximators},
  author = {Levi Rauchwerger and Stefanie Jegelka and Ron Levie},
  year = {2026},
  eprint = {2602.07618},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/2602.07618},
}