@article{samplewhereyoustrugglesharpeningbasemode,
  title = {Sample Where You Struggle: Sharpening Base Model Reasoning via Entropy-Guided Power Sampling},
  author = {Hong Guo and Nianhui Guo and Christoph Meinel and Haojin Yang},
  year = {2026},
  eprint = {2606.09926},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/2606.09926},
}