2 papers
cs.LG2026
When Do Options Help? Policy Necrosis and Redundant Coverage in Option-Critic
Bingyun Liu, Yuheng Jing
Option-critic learns options: sub-policies together with a learned rule for when each one hands control back. Its headline result is that performance improves as options are added.…
cs.AI2025
Hi-Agent: Hierarchical Vision-Language Agents for Mobile Device Control
Zhe Wu, Hongjin Lu, Junliang Xing +10
Building agents that autonomously operate mobile devices has attracted increasing attention. While Vision-Language Models (VLMs) show promise, most existing approaches rely on dire…