Author

Xiaofeng Zhang

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Preprint Aug 2026

Context-Aware Cluster Decoding: Semantic Anchor-Driven Coherence in dMLLMs

Diffusion multimodal large language models (dMLLMs) frequently produce long-form outputs marred by semantic drift and repetition, with quality generally degrading as output length increases. We identify two structural deficiencies in existing decoding methods as primary drivers of these failures: confidence-based scori...

Yikai Zhao, Qiyan Zhao, Jia-Quan Zhang et al. · 0 citations

Preprint Aug 2026

Information-Guided Frontier Decoding: Contextual Utility-Driven Commitment in dMLLMs

IGFD is proposed, a training-free decoding strategy that ranks candidates using token confidence, neighborhood uncertainty, and structural commitment risk and consistently outperforms existing decoding strategies across the majority of benchmarks and diffusion MLLM backbones under identical decoding budgets.

Xing-You Fang, Jin Zhong, Xiaosong Yuan et al. · 0 citations

Preprint Aug 2026

Coalition-Aware Skill Reliability for Self-Evolving Agents

Systematic skill-bank audits reveal two recurring reliability failures: coalition pollution, where bank-level gains conceal negative coalition-level skill contributions, and cross-domain utility reversal, where source-beneficial skills reverse their effects after transfer.

Qiyan Zhao, Xiaofeng Zhang, Bo Liu et al. · 0 citations