@article{rethinkingllmasajudgerepresentationasaju, title = {Rethinking LLM-as-a-Judge: Representation-as-a-Judge with Small Language Models via Semantic Capacity Asymmetry}, author = {Zhuochun Li and Yong Zhang and Ming Li and Yuelyu Ji and Yiming Zeng and Ning Cheng and Yun Zhu and Yanmeng Wang and Shaojun Wang and Jing Xiao and Daqing He}, year = {2026}, eprint = {2601.22588}, archivePrefix = {arXiv}, url = {https://arxiv.org/abs/2601.22588}, }