Fine-Tuning Discrete Diffusion Models via Reward Optimization with Applications to DNA and Protein Design. - Chenyu Wang; Masatoshi Uehara; Yichun He; Amy Wang; Tommaso Biancalani; Avantika Lal; Tommi S. Jaakkola; Sergey Levine; Hanchen Wang 002; Aviv Regev (CoRR, 2024)