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Xiaopeng Yuan

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#machine learning Preprint Oct 2026

Objects Without Morphisms: What LLMs for Mathematics Do Not Represent

Large language models (LLMs) have reached expert-level performance on competition mathematics largely through the volume of search placed around them: candidate solutions are sampled in quantity and retained only when an external criterion accepts them. Such a procedure improves the outcome that survives it while leavi...

Yan-Lin Wang, Sui-Jin Wang, Xiao-Peng Yuan et al. · 0 citations
#artificial intelligence Preprint Sep 2026

ANTMAN: Adaptive Need Tracking for Multi-Agent Navigation in Large Information Spaces

ANTMAN is introduced, an adaptive coordination framework that treats evolving unresolved information needs as the unit of runtime coordination and maintains a revisable Need Graph that tracks unresolved requirements, accumulated evidence, prior attempts, and search progress.

Jerry Wang, Hai-Bo Jin, Xiao-Peng Yuan et al. · 0 citations
Preprint Aug 2026

Beyond Asking: A Pipeline for Personalized Game Generation that Reads Players from Behavior

A synthetic player population is constructed whose traits are ground truth by construction, and an opportunity-aware decision-moment representation is introduced that disentangles preference from the chance to express it; ablating it selectively degrades opportunity-dependent traits.

Yifan Lu, Xiaopeng Yuan, Hao-Han Wang · 0 citations

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