update.

rl-introduction.bbl

-\begin{thebibliography}{173}
+\begin{thebibliography}{175}
 \providecommand{\natexlab}[1]{#1}
 \providecommand{\natexlab}[1]{#1}
 \providecommand{\url}[1]{\texttt{#1}}
 \providecommand{\url}[1]{\texttt{#1}}
 \expandafter\ifx\csname urlstyle\endcsname\relax
 \expandafter\ifx\csname urlstyle\endcsname\relax
@@ -319,10 +319,15 @@ Hunter Lightman, Vineet Kosaraju, Yuri Burda, Harrison Edwards, Bowen Baker, Ted
 \newblock In \emph{The Twelfth International Conference on Learning Representations, {ICLR} 2024, Vienna, Austria, May 7-11, 2024}. OpenReview.net, 2024{\natexlab{b}}.
 \newblock In \emph{The Twelfth International Conference on Learning Representations, {ICLR} 2024, Vienna, Austria, May 7-11, 2024}. OpenReview.net, 2024{\natexlab{b}}.
 \newblock URL \url{https://openreview.net/forum?id=v8L0pN6EOi}.
 \newblock URL \url{https://openreview.net/forum?id=v8L0pN6EOi}.
 
 
-\bibitem[Liu et~al.(2026)Liu, Wang, Wu, Huang, Li, Jiao, and Zhang]{liu-etal:agentic}
+\bibitem[Liu et~al.(2026{\natexlab{a}})Liu, Liu, Liang, Li, Liu, Wang, Wan, Zhang, and Ouyang]{liu-etal:flow}
+Jie Liu, Gongye Liu, Jiajun Liang, Yangguang Li, Jiaheng Liu, Xintao Wang, Pengfei Wan, Di~Zhang, and Wanli Ouyang.
+\newblock Flow-grpo: Training flow matching models via online rl.
+\newblock \emph{Advances in neural information processing systems}, 38:\penalty0 40783--40818, 2026{\natexlab{a}}.
+
+\bibitem[Liu et~al.(2026{\natexlab{b}})Liu, Wang, Wu, Huang, Li, Jiao, and Zhang]{liu-etal:agentic}
 Xiaoqian Liu, Ke~Wang, Yuchuan Wu, Fei Huang, Yongbin Li, Jianbin Jiao, and Junge Zhang.
 Xiaoqian Liu, Ke~Wang, Yuchuan Wu, Fei Huang, Yongbin Li, Jianbin Jiao, and Junge Zhang.
 \newblock Agentic reinforcement learning with implicit step rewards.
 \newblock Agentic reinforcement learning with implicit step rewards.
-\newblock In \emph{International Conference on Learning Representations}, volume 2026, pp.\  129271--129291, 2026.
+\newblock In \emph{International Conference on Learning Representations}, volume 2026, pp.\  129271--129291, 2026{\natexlab{b}}.
 
 
 \bibitem[Liu et~al.(2023)Liu, Iter, Xu, Wang, Xu, and Zhu]{liu-etal:2023GEval}
 \bibitem[Liu et~al.(2023)Liu, Iter, Xu, Wang, Xu, and Zhu]{liu-etal:2023GEval}
 Yang Liu, Dan Iter, Yichong Xu, Shuohang Wang, Ruochen Xu, and Chenguang Zhu.
 Yang Liu, Dan Iter, Yichong Xu, Shuohang Wang, Ruochen Xu, and Chenguang Zhu.
@@ -772,6 +777,11 @@ Tong Xiao and Jingbo Zhu.
 \newblock \emph{ArXiv preprint}, abs/2501.09223, 2025.
 \newblock \emph{ArXiv preprint}, abs/2501.09223, 2025.
 \newblock URL \url{https://arxiv.org/abs/2501.09223}.
 \newblock URL \url{https://arxiv.org/abs/2501.09223}.
 
 
+\bibitem[Xiao et~al.(2026)Xiao, Ruan, Li, Yu, Zhang, and Zhu]{xiao-etal:ordinary}
+Tong Xiao, Junhao Ruan, Bei Li, Zhengtao Yu, Min Zhang, and Jingbo Zhu.
+\newblock Ordinary differential equations in vision and language.
+\newblock 2026.
+
 \bibitem[Xie et~al.(2025)Xie, Gao, Ren, Luo, Hong, Dai, Zhou, Qiu, Wu, and Luo]{xie-etal:2025logic}
 \bibitem[Xie et~al.(2025)Xie, Gao, Ren, Luo, Hong, Dai, Zhou, Qiu, Wu, and Luo]{xie-etal:2025logic}
 Tian Xie, Zitian Gao, Qingnan Ren, Haoming Luo, Yuqian Hong, Bryan Dai, Joey Zhou, Kai Qiu, Zhirong Wu, and Chong Luo.
 Tian Xie, Zitian Gao, Qingnan Ren, Haoming Luo, Yuqian Hong, Bryan Dai, Joey Zhou, Kai Qiu, Zhirong Wu, and Chong Luo.
 \newblock Logic-rl: Unleashing llm reasoning with rule-based reinforcement learning.
 \newblock Logic-rl: Unleashing llm reasoning with rule-based reinforcement learning.

rl-introduction.bib

@@ -4,6 +4,23 @@
 
 
 
 
 
 
+@article{liu-etal:flow,
+  title={Flow-grpo: Training flow matching models via online rl},
+  author={Liu, Jie and Liu, Gongye and Liang, Jiajun and Li, Yangguang and Liu, Jiaheng and Wang, Xintao and Wan, Pengfei and Zhang, Di and Ouyang, Wanli},
+  journal={Advances in neural information processing systems},
+  volume={38},
+  pages={40783--40818},
+  year={2026}
+}
+
+@article{xiao-etal:ordinary,
+  title={Ordinary Differential Equations in Vision and Language},
+  author={Xiao, Tong and Ruan, Junhao and Li, Bei and Yu, Zhengtao and Zhang, Min and Zhu, Jingbo},
+  year={2026},
+  publisher={TechRxiv}
+}
+
+
 @article{zhou-etal:learning,
 @article{zhou-etal:learning,
   title={Learning implicit credit assignment for cooperative multi-agent reinforcement learning},
   title={Learning implicit credit assignment for cooperative multi-agent reinforcement learning},
   author={Zhou, Meng and Liu, Ziyu and Sui, Pengwei and Li, Yixuan and Chung, Yuk Ying},
   author={Zhou, Meng and Liu, Ziyu and Sui, Pengwei and Li, Yixuan and Chung, Yuk Ying},