QuadGPT: Native Quadrilateral Mesh Generation with Autoregressive Models - Liu, Jian; Wang, Chunshi; Guo, Song; Weng, Haohan; Zhou, Zhen; Li, Zhiqi; Yu, Jiaao; Zhu, Yiling; Xu, Jing; Lei, Biwen; Chen, Zhuo; Guo, Chunchao (International Conference on Learning Representations, 2026)