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Zhihui Fu

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#artificial intelligence Review Sep 2026

Safety in Self-Evolving Agents: A Survey

Large language models (LLMs) exhibit strong general capabilities, yet their parameters typically remain fixed after deployment, limiting learning from new interactions. In open-ended environments, this motivates self-evolving agents that continually update reusable state-including model parameters, memories, tool defin...

Jia-Hao Chen, Zhou Feng, Ou-Bo Ma et al. · 0 citations
#artificial intelligence Preprint Sep 2026

Retrieval-Driven Memory Reconsolidation for Long-Term LLM Agents

Long-term memory is essential for LLM-based agents operating over extended interactions. Existing memory systems primarily update memory when new information arrives, treating retrieval as the endpoint of memory access rather than a driver of memory evolution. Consequently, retrieval feedback is rarely exploited to reo...

Yuan-Yi Song, Yukai Wang, Xinbei Ma et al. · 0 citations
Preprint Aug 2026

Beyond Over-Refusal: Defending Indirect Prompt Injection via Latent Instruction Manifolds

AEGIS (Adaptive Ensemble Guard for Injection Shielding) extracts instruction-sensitive projectors to identify malicious instructions and leverages a Unified Multi-Layer Consensus mechanism that aggregates topologically distinct signals across the network depth.

Jia-Hao Chen, Ruiping Yin, Xin-Feng Li et al. · 1 citation · ⚡1
Book Open access Aug 2026

The Boy Who Cried Wolf: Adversarial Misclassification of Safe Inputs as Unsafe in Multimodal Guardrails

Unsafe Semantic Distillation is proposed, which aligns adversarial perturbations with distributional representations of unsafe content rather than prompt-specific instances, and achieves 84% attack success rates, outperforming existing methods and exposing fundamental vulnerabilities in current multimodal safety archit...

Shuo Shi, Ruiping Yin, Na-En Xu et al. · 1 citation

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