الباحثون

Ziyu Liu

المنشورات 3

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ResOPD: Tail Residualization for Sparse On-Policy Distillation

Penghui Yang, Long Xing, Xuanlang Dai وآخرون · 2026

On-policy distillation (OPD) trains a student model on self-generated trajectories, but transmitting dense teacher distributions across long reasoning traces creates prohibitive communication and memory bottlenecks. Practical systems therefore rely on sparse teacher interfaces, typically transmitting either the sampled …

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Exploiting Vulnerabilities: Universal Adversarial Attacks on Vision-Language-Action Models in Robotics

Songhua Yang, Ziyu Liu, Yuanwei Liu وآخرون · 2026

Recently, Vision-Language-Action (VLA) models have revolutionized robotic manipulation by seamlessly integrating visual perception, language understanding, and action generation in an end-to-end learning framework. However, since these models are designed to interact directly with the physical world and humans, their s …

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Semantic Projection for Continual Self-Evolution of Language Agents

Language-model agents increasingly rely on persistent natural-language skills to adapt beyond their frozen model parameters. When a shared skill is repeatedly revised from a non-stationary, heterogeneous task stream, however, improvements for new tasks can overwrite procedures needed for earlier ones. In continual lear …

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