Author

Zongyang Ma

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Preprint Oct 2026

A Plausible Future Is Not a Causal Future: Can Video Models Generate How the World Unfolds?

Large-scale video generation models are increasingly viewed as a promising path toward world models, yet their ability to capture causally coherent physical dynamics remains poorly understood. Existing evaluations largely emphasize visual quality, prompt adherence, or broad physical plausibility, leaving open whether a...

Jia-Liang Li, Zheng-Ning Xu, Zongyang Ma et al. · 0 citations

Jul 2026

MMAgent-R2: Learning to Rerank and Reject for Agentic mRAG

MMAgent-R$^2$, an agentic mRAG framework that integrates visual reranking and active rejection as its internal verification mechanism, is proposed and achieves joint optimization of external retrieval, internal verification, and answer generation via GRPO training.

Tao Zhang, Ziqi Zhang, Zongyang Ma et al. · arXiv.org · 0 citations