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Lu Cheng

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#artificial intelligence Preprint Sep 2026

ATLAS: Aligned Transport of Latent Structure for Reliable World Model Planning

This work introduces Aligned Transport of Latent Structure (ATLAS), a training objective that explicitly preserves relational geometry while calibrating the global latent distribution and uses Wasserstein embedding matching to calibrate its marginal through one-dimensional Wasserstein-2 transport.

Ke Fang, Yu-Pu Yao, Lu Cheng · 0 citations
Preprint Sep 2026

Escaping Reasoning Basin Collapse with History-Biased Search

The results identify reasoning basin collapse as a failure mode of inference-time search and show that history-dependent bias provides a simple, training-free mechanism for escaping redundant reasoning under fixed compute.

Lu Cheng · 0 citations
#natural language process... Preprint May 2026

Beyond Math and Code: Lightweight Corpus-Grounded Process Rewards for Factual Question Answering

CorVer (Corpus Verify) is a lightweight training-time approach to process supervision that derives sentence-level rewards from corpus co-occurrence statistics and outperforms the unmodified models in all standard factual-QA settings.

Shi-Chen Fan, Hao-Chang Hao, De-Hai Min et al. · 5 citations
Jul 2026

TSRouter: Dynamic Modality-Model Selection for Time Series Reasoning

TSRouter, a graph-based dynamic routing framework that demonstrates robust zero-shot plug-and-play generalization to unseen models and novel tasks and preserves high performance while reducing computational overhead through cost-aware optimization.

Fangxu Yu, Tao Feng, De-Hai Min et al. · 3 citations
#artificial intelligence Preprint Jan 2026

EpiQAL: Benchmarking Large Language Models in Epidemiological Question Answering and Reasoning

EpiQAL provides fine-grained diagnostic signals for evidence-grounding, inferential reasoning, and conclusion reconstruction for epidemiological question answering over research literature, comprising three subsets built from open-access articles across diverse diseases.

Mingyang Wei, De-Hai Min, Zewen Liu et al. · 0 citations

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