LLaDA2.1: Speeding Up Text Diffusion via Token Editing. - Tiwei Bie; Maosong Cao; Xiang Cao; Bingsen Chen; Fuyuan Chen; Kun Chen; Lun Du; Daozhuo Feng; Haibo Feng; Mingliang Gong; Zhuocheng Gong; Yanmei Gu; et al. (CoRR, 2026)