Astraea: A Token-wise Acceleration Framework for Video Diffusion Transformers - Liu, Haosong; Cheng, Yuge; Miao, Wenxuan; Liu, Zihan; Chen, Aiyue; Lin, Jing; Yao, Yiwu; Chen, Chen; Leng, Jingwen; Guo, Minyi; Feng, Yu (International Conference on Learning Representations, 2026)