CoMAS: Co-Evolving Multi-Agent Systems via Interaction Rewards - Xue, Xiangyuan; Zhou, Yifan; Zhang, Guibin; Zhang, Zaibin; Li, Yijiang; Zhang, Chen; Yin, Zhenfei; Torr, Philip; Ouyang, Wanli; BAI, LEI (International Conference on Learning Representations, 2026)