Exploring Token Pruning in Vision State Space Models - Zhan, Zheng; Kong, Zhenglun; Gong, Yifan; Wu, Yushu; Meng, Zichong; Zheng, Hangyu; Shen, Xuan; Ioannidis, Stratis; Niu, Wei; Zhao, Pu; Wang, Yanzhi (Advances in Neural Information Processing Systems, 2024)