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Jisheng Dang

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#artificial intelligence Preprint Oct 2026

EmoRSS: Mitigating Emotion-Induced Over-Refusal in Large Language Models

Emotional expression can influence the safety decisions of large language models (LLMs), offering a potential avenue for improving safety alignment. Existing studies have mainly focused on how emotional expressions facilitate attacks under harmful requests, while overlooking their effects on benign requests. We find th...

Shu-Yi Miao, Yao-Jin Ma, Chen-Hang Cui et al. · 0 citations
#artificial intelligence Preprint Oct 2026

DNAlign: Dynamic Null-Space Safe Alignment for LLMs

Ensuring the safe and reliable deployment of large language models (LLMs) remains a fundamental challenge. Existing safety alignment approaches either incur high computational cost or unintentionally disrupt the model's core knowledge, leading to degraded fluency and factual accuracy on benign tasks. This reveals a per...

Ji-Sheng Dang, Yu-Shu Zhao, De-Wei Liu et al. · 0 citations
2026

SafeSteer: Adaptive Subspace Steering for Efficient Jailbreak Defense in Vision Language Models

As the capabilities of Vision Language Models (VLMs) continue to improve, they are increasingly targeted by jailbreak attacks. Existing defense methods face two major limitations: (1) they struggle to ensure safety without compromising the model’s utility; and (2) many defense mechanisms significantly reduce the model’...

Shu-Chao Pang, Xiyu Zeng, Si-Yuan Liang et al. · 6 citations
#artificial intelligence Preprint Sep 2026

MVFA: A Multi-View Text-Guided Multimodal Fusion LLM Adapter for Sentiment Analysis and Emotion Recognition

The multi-view text-guided multimodal fusion adapter (MVFA) is proposed, a parameter-efficient framework that augments frozen LLMs with strong multimodal reasoning capability and achieves state-of-the-art performance on key metrics while updating only a small fraction of parameters.

Peng-Fei Shao, Ji-Sheng Dang, Jia-Wen Fang et al. · 0 citations
Sep 2025

SafeSteer: Adaptive Subspace Steering for Efficient Jailbreak Defense in Vision-Language Models

SafeSteer is a lightweight, inference-time steering framework that effectively defends against diverse jailbreak attacks without modifying model weights, using the innovative use of Singular Value Decomposition to construct a low-dimensional safety subspace during inference.

Xiyu Zeng, Siyuan Liang, Liming Lu et al. · 0 citations
Jul 2026

Tightly coupled equivariant flow matching for molecular docking with multimodal physical constraints.

The proposed MPFDock is a tightly coupled equivariant flow matching method for molecular docking guided by multimodal physical constraints in Cartesian space that consistently outperforms existing methods in terms of docking accuracy and physical realism on the evaluated benchmarks.

Zhiguang Fan, Xiang Li, Haoyang Liu et al. · 0 citations
#small language model Preprint Aug 2026

PhysMLLMs: Spatial Priors for Unified Referring Segmentation and Grounded Reasoning of Images and Videos

PhysMLLMs is a training-stage prior injection architecture that injects physics-inspired spatial continuity priors into Video MLLMs, demonstrating that the injected spatial prior improves video consistency without compromising image-level grounding or general multimodal capability.

Siyao Yan, Bo Han, Ji-Sheng Dang et al. · 0 citations

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