DexSinGrasp: Learning a Unified Policy for Dexterous Object Singulation and Grasping in Densely Cluttered Environments. - Lixin Xu; Zixuan Liu 002; Zhewei Gui; Jingxiang Guo; Zeyu Jiang; Tongzhou Zhang 004; Zhixuan Xu; Chongkai Gao; Lin Shao 002 (IEEE Robotics Autom. Lett., 2026)