@article{longreasonasyntheticlongcontextreasoning,
  title = {LongReason: A Synthetic Long-Context Reasoning Benchmark via Context Expansion},
  author = {Zhan Ling and Kang Liu and Kai Yan and Yifan Yang and Weijian Lin and Ting-Han Fan and Lingfeng Shen and Zhengyin Du and Jiecao Chen},
  year = {2025},
  eprint = {2501.15089},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/2501.15089v1},
}