@article{oliviaharmonizingtimeseriesfoundationmod,
  title = {Olivia: Harmonizing Time Series Foundation Models with Power Spectral Density},
  author = {Jingru Fei and Kun Yi and Alex Xing Wang and Qingsong Wen and Xiangxiang Zhu and Wei Fan},
  year = {2026},
  eprint = {2605.17340},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/2605.17340},
}