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Xiaocui Yang

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#machine learning Preprint Sep 2026

Learning Collective Dynamics with Differentiable Gaussian Representations

Differentiable Gaussian Dynamics (DGD) is introduced, which learns this connection through three components: a Gaussian mixture representing heterogeneous response propensities, differentiable aggregation of contact intensity and behavioral probabilities, and feedback recurrence that updates subsequent responses.

Jian-Xiang Ma, Ming-Fu Zhang, Xiaocui Yang et al. · 0 citations
#natural language process... Preprint Aug 2026

Boosting Deepresearch and LongContext Ability with Self-Generated Deepresearch Rollouts Traces

The method repurposes DR-RL trajectories, which naturally contain search histories, visited webpages, evidence snippets, and final-answer supervision, and replaces the compact snippets and webpage summaries in each trajectory with the full contents of their corresponding URLs, producing substantially longer multi-docum...

Zi-Han Wang, Hao Wang, Bo Jiang et al. · 0 citations
#natural language process... Preprint Sep 2026

MUSE: A Theory-Harnessed Story Engine for Vibe Narrativizing

Vibe Narrativizing is formulated as turning natural-language writing requirements into a finished story, and MUSE, a Theory-Harnessed Story Engine, addresses two bottlenecks: rule quality and sustained rule realization.

Jian-Xiang Ma, Xiaocui Yang, Da-Ling Wang et al. · 0 citations
Preprint Aug 2026

Do AI Personas Grow? Analyzing and Benchmarking Personality Evolution in LLM Agents After Life Events

This work studies event-induced personality change after 11 major life events, using the Big Five traits as a psychometric anchor and interpreting the resulting trajectories against longitudinal evidence from human personality psychology, and suggests that current PC-Agents simulate the mean of human personality dynami...

Ming Wang, Pei-Dong Wang, Xiaocui Yang et al. · 2 citations
#natural language process... Preprint Aug 2026

Self-Evolving Embodied Agents via Skill-Harness Evolution

This work proposes SHAPER, a self-evolving framework for train-free embodied adaptation that keeps model parameters frozen and improves the non-parametric agent system by evolving reusable skills and a context-code harness through target-environment rollouts.

Pei-Dong Wang, Zhiming Ma, Ying Chang et al. · 7 citations · ⚡1
Preprint Aug 2026

TRAM: Enhancing Multimodal Reasoning with Trajectory-Derived Auxiliary Memory

TRAM (TRajectory-derived Auxiliary Memory), a training-free method that augments standard decoding with an auxiliary memory pathway derived from the model's own reasoning trajectory, shows that TRAM improves performance over vanilla decoding on mathematical, scientific, and general visual reasoning tasks without additi...

Kang Liu, Zi-Jing Wang, Yongkang Liu et al. · 0 citations
Conference Open access 2026

Cat-MoD: Accelerating Multimodal Alignment via Caption Token Guided Asymmetric Mixture-of-Depths

This paper proposes Cat-MoD, a Hybrid Query Construction module that incorporates a Hybrid Query Construction module where Guide Tokens initialized from coarse-grained linguistic priors rapidly anchor global semantic context, and randomly initialized Explorer Tokens remain active to capture fine-grained visual details.

Yijie Huang, Xiaocui Yang, Shi Feng et al. · 0 citations

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