Search Self-Play: Pushing the Frontier of Agent Capability without Supervision - Lu, Hongliang; Wen, Yuhang; Cheng, Pengyu; Ding, Ruijin; Guo, Jiaqi; Xu, Haotian; Wang, Chutian; Chen, Haonan; jiang, xiaoxi; guanjunjiang (International Conference on Learning Representations, 2026)