Iterative Distillation for Reward-Guided Fine-Tuning of Diffusion Models in Biomolecular Design - Su, Xingyu; Li, Xiner; Uehara, Masatoshi; Kim, Sunwoo; Zhao, Yulai; Scalia, Gabriele; Hajiramezanali, Ehsan; Biancalani, Tommaso; Zhi, Degui; Ji, Shuiwang (International Conference on Learning Representations, 2026)