DP-RFT: Learning to Generate Synthetic Text via Differentially Private Reinforcement Fine-Tuning. - Fangyuan Xu; Sihao Chen; Zinan Lin 001; Taiwei Shi; Sydney Graham; Pei Zhou; Mengting Wan; Alex Stein; Virginia Estellers; Charles Chen; Morris Sharp; Richard Speyer; et al. (CoRR, 2026)