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Author

Jin Li

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#artificial intelligence Preprint Sep 2026

Expected Reasoning-Step Return Unifies On-Policy Learning from Rewards and Teachers

Expected Reasoning-Step Return is introduced, which treats semantic reasoning steps as macro-actions and uses Monte Carlo student-policy rollouts to estimate the expected final task reward of student-generated and teacher-proposed actions in a common return space for step-level comparison.

Qiang-Qiang He, Jin Li · 0 citations
Preprint Aug 2026

AWM-VLA: AlignedWorld Modeling for Efficient and Explainable Vision-Language-Action Policies

AWM-VLA is presented, a unified framework that embeds aligned world modeling directly inside a diffusion-transformer policy and is compatible with any diffusion or flow-matching policy, making aligned world modeling an inexpensive, broadly applicable component of generalist manipulation.

Lan-Ji An, Da-Wei Liu, Jin Li et al. · 0 citations
#artificial intelligence Preprint Sep 2026

Calibrating Teacher--Student Discrepancy for On-Policy Distillation

Calibrated On-Policy Distillation is introduced, which estimates the teacher's self-deviation region through positive and negative privileged interventions and calibrates the original teacher--student discrepancy by retaining only the component that lies beyond this region.

Qiang-Qiang He, Jin Li, Ming-Cai Chen · 2 citations · ⚡1
Preprint Aug 2026

UniJEPA: A Unified Joint-Embedding Predictive Architecture for Task-Agnostic Visual World Modeling

UniJEPA is presented, a unified JEPA that jointly learns photometric prediction (image-level transformations) and temporal prediction (video-level next-state dynamics) in one shared latent space and shows that the same latent space supports controllable abstraction.

Lan-Ji An, Da-Wei Liu, Jin Li et al. · 1 citation

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