MemExplorer: Navigating the Heterogeneous Memory Design Space for Agentic Inference NPUs. - Haoran Wu; Zeyu Cao; Yao Lai; Binglei Lou; Jiayi Nie; Can Xiao; Timi Adeniran; Przemyslaw Forys; Kauser Johar; Catriona Wright; Junyi Liu; Kai Shi; et al. (CoRR, 2026)