AlphaAgentEvo: Evolution-Oriented Alpha Mining via Self-Evolving Agentic Reinforcement Learning - Tang, Ziyi; Yin, Xuexiong; Chen, Weixing; Chen, Zechuan; Zheng, Yongsen; Ye, Wenxuan; Wang, Keze; Lin, Liang (International Conference on Learning Representations, 2026)