collaborators

5 papers

cs.AI2026

PROVISO: Provenance-Informed Action Selection for Secure LLM Agents

Bo Yan, Qi Zhang, Ziwen Kan +2

LLM agents act on the external world through tools and third-party skills, so a single executed action can cause irreversible harm. Existing defenses judge a proposed action withou…

gr-qc2026

Broken isospectrality in inverted black hole potentials and the emergence of Efimov scaling

Umer Shahzad, Sebastian H. Völkel

Are the inverted Regge-Wheeler and Zerilli potentials arising in Mashhoon's bound-state approach to black-hole quasinormal modes isospectral? Extending previous numerical and analy…

cs.AI2026

PatientWM: Towards Generalizable Clinical World Models via Unified Patient States

Ziwen Kan, Jie Peng, Bo Yan +5

Clinical decisions depend on anticipating how a patient's condition will evolve as treatment is adjusted and new evidence becomes available. Existing medical world models capture p…

cs.AI2026

The Menu Is an Execution Prior: State-Path Tool Menus for Online Agents

Bo Yan, Weikai Lin, Song Wang

Language models act through tools, yet practical agents face libraries containing thousands of interfaces. We introduce the tool menu as the short, ordered subset of available tool…

cs.CR2026

SafeDream: Safety World Model for Proactive Early Jailbreak Detection

Bo Yan, Weikai Lin, Yada Zhu +1

Multi-turn jailbreak attacks progressively erode LLM safety alignment across seemingly innocuous conversation turns, achieving success rates exceeding 90% against state-of-the-art…