@article{predictivespectralcalibrationforsourcefr,
  title = {Predictive Spectral Calibration for Source-Free Test-Time Regression},
  author = {Nguyen Viet Tuan Kiet and Huynh Thanh Trung and Pham Huy Hieu},
  year = {2026},
  eprint = {2603.09338},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/2603.09338},
}