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Author

Jun-Chi Yan

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#artificial intelligence Review Oct 2026

StableJudge: A Lightweight Adversarial Defense Framework for LLM-as-a-Judge

Large language models (LLMs) are increasingly used as judges to assign scalar scores that drive downstream decision-making, including tasks such as paper review and recommendation. However, LLM-as-a-Judge pipelines are vulnerable to score-hijacking prompt injection embedded in evaluated content, which corrupts scoring...

An-Ning Hu, Yang-Yu Li, Yu-Qi Huang et al. · 0 citations
#machine learning Preprint Sep 2026

ChainLoRA: Geometry-Preserving Task Vector Merging for Continual Learning in LLMs

Continual parameter-efficient fine-tuning for large language models (LLMs) must balance retention of previously acquired knowledge, adaptation to new tasks, and strict parameter budgets. We present \textbf{ChainLoRA}, a replay-free continual merging framework built on chain-updated task-vector geometry. From a paramete...

Hang Yin, Hao-Zhe Wang, Yu-Hua Luo et al. · 0 citations
#machine learning Preprint Sep 2026

Write Back the $\Delta$: Revisiting the Same Tokens with Fresh Representations

ReFlux is introduced, a learnable feedback graph that dynamically selects and composes increment-carrying routes that establishes ReFlux as an efficient paradigm for unlocking the latent computational potential of LLMs, allowing them to revisit the same tokens with fresh representations.

Wen Ye, An-Ning Hu, Xiang-Dong Zhang et al. · 0 citations

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