Ding, Zhihao, Ting Zhang, Yiran Li, Jieming Shi, and Chen Jason Zhang. “RingFormer: A Ring-Enhanced Graph Transformer for Organic Solar Cell Property Prediction”. Proceedings of the AAAI Conference on Artificial Intelligence 39, no. 1 (April 11, 2025): 155–163. Accessed May 13, 2026. https://ojs.aaai.org/index.php/AAAI/article/view/31991.