MMaDA-VLA: Large Diffusion Vision-Language-Action Model with Unified Multi-Modal Instruction and Generation. - Yang Liu 358; Pengxiang Ding; Tengyue Jiang; Xudong Wang; Wenxuan Song; Minghui Lin; Han Zhao 008; Hongyin Zhang 001; Zifeng Zhuang; Wei Zhao; Siteng Huang; Jinkui Shi; et al. (CoRR, 2026)