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Y. Ban

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#artificial intelligence Preprint Sep 2026

Dual-Channel Robust Group-Relative Policy Optimization via Advantage and Sequence-Weight Estimation

RoVR-GSPO is introduced, a dual-channel robust optimizer that addresses group-relative policy optimization failure modes separately and shows consistent improvements over GSPO, while controlled perturbation studies demonstrate stronger robustness to reward contamination and token-ratio anomalies.

Zhong-Yi Li, Wan Tian, Xiang Xu et al. · 0 citations
Preprint Aug 2026

SPOT: Sparse Probing and Outcome Calibration for On-Policy Distillation

Sparse Probing and Outcome-calibrated Targets OPD is introduced, which addresses two coupled decisions, where to probe and what to distill, through an acquisition--exploration--exploitation procedure and demonstrates the effectiveness of SPOT in improving reasoning performance while balancing solution quality and cover...

Zi-Kun Qu, Min Zhang, Ming-Ze Kong et al. · 8 citations
Preprint Aug 2026

WDL-OPD: Weak-Driven On-Policy Distillation via Mixture-Constrained Co-Training

WDL-OPD is introduced, a mixture-constrained co-training method with two trainable policies that shows that freezing the auxiliary recovers an anchor-plus-contrast proxy target closely related to OPD$^2$ and W2S-OPD, whereas joint training creates branch-level degrees of freedom that a static delta cannot express.

Ze-Hao Chen, Gong-Xun Li, Tianxiang Ai et al. · 0 citations
#artificial intelligence Review Dec 2025

Scoring, Reasoning, and Selecting the Best! Ensembling Large Language Models via a Peer-Review Process

We propose LLM-PeerReview, an unsupervised LLM Ensemble method that selects the most ideal response from multiple LLM-generated candidates for each query, harnessing the collective wisdom of multiple models with diverse strengths. LLM-PeerReview is built on a novel, peer-review-inspired framework that offers a transpar...

Zhijun Chen, Zeyu Ji, Qianren Mao et al. · 5 citations
#artificial intelligence Preprint Aug 2026

LLMODE: Aligning ODEs with LLMs via Gated Token Injection for Irregular Spatio-Temporal Forecasting

LLMODE is proposed, a token-efficient framework for irregular spatio-temporal forecasting with a frozen LLM backbone that shows competitive overall performance, with clearer advantages under sparse or dynamically complex irregular sampling.

Di Zhang, Jing-Yang Zhang, Zi-Qian Wang et al. · 0 citations
Preprint Aug 2026

Deferred Exposure of Future Trajectories for Verifiable Reasoning in Autonomous Driving VLMs

Experimental results show that DEFT-RLVR improves AD reasoning while preserving or even enhancing general visual capabilities, and Autonomous-Driving Multiple-Choice Question (AD-MCQ) provides a flexible, scalable, and extensible foundation for future research on verifiable AD reasoning.

Zi-Xuan Huang, Yang Zhou, Kai-Xuan Wang et al. · 0 citations

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