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Jiashu Qu

2 accepted papers

2026

The Devil behind the mask: An emergent safety vulnerability of Diffusion LLMs

ICLR 2026poster

Diffusion-based large language models (dLLMs) have recently emerged as a powerful alternative to autoregressive LLMs, offering faster inference and greater interactivity via parallel decoding and bidirectional modeling. However, despite strong performance in code generation and text infilling, we i…

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2025

Treble Counterfactual VLMs: A Causal Approach to Hallucination

EMNLP 2025

Vision-Language Models (VLMs) excel at tasks such as image captioning and visual question answering but frequently produce hallucinated outputs that deviate from the actual visual input or prompt. While prior work links hallucination to biases in data or representation, their causal origins remain u