@article{piefsphysicsinformedeigenfunctionfeature,
  title = {PIEFS: Physics-Informed Eigenfunction Features with Learnable Scaling},
  author = {Varvara Nazarenko and Timur Lidzhiev and Alexander Tarakanov},
  year = {2026},
  eprint = {2607.03692},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/2607.03692},
}