Qian, H., Li, C., Luo, K., Wei, W., Chen, J., Lu, S., Hu, Y., Xiao, H., Wang, H., Li, C., Ye, Q., Dou, Z., Lian, D., & Liu, Z. (2026). AREX-2: Advancing Self-Improving Agents through Long-Horizon Reflective Tasks. https://omanscience.com/ar/articles/arex-2-advancing-self-improving-agents-through-long-horizon-reflective-tasks