collaborators

7 papers

cs.AI2026

Woodpecker Distillation: Weak Models Diagnose Reasoning Bugs in Strong Models

Dayu Wang, Jiaye Yang, Weikang Li +4

Large language models often fail on reasoning tasks despite possessing the capability to solve them. We argue that many such failures arise from localized reasoning bugs in interme…

cs.AI2026

It Takes 8 Tokens: Weak-to-Strong Off-Policy RL via Auxiliary Branches

Dayu Wang, Jiaye Yang, Weikang Li +4

Reinforcement learning with verifiable rewards has emerged as a standard approach for enhancing reasoning in large language models, which typically optimizes the policy by contrast…

cs.AI2026

Student Guides Teacher: Weak-to-Strong Inference via Spectral Orthogonal Exploration

Dayu Wang, Jiaye Yang, Weikang Li +4

Large Language Models (LLMs) often suffer from ''Reasoning Collapse'' on challenging mathematical reasoning tasks, where stochastic sampling produces lexical variations of the same…

cs.CV2026

InjectFlow: Weak Guides Strong via Orthogonal Injection for Flow Matching

Dayu Wang, Jiaye Yang, Weikang Li +2

Flow Matching (FM) has recently emerged as a leading approach for high-fidelity visual generation, offering a robust continuous-time alternative to ordinary differential equation (…

cs.LG2026

Beyond Alignment: Expanding Reasoning Capacity via Manifold-Reshaping Policy Optimization

Dayu Wang, Jiaye Yang, Weikang Li +2

Reinforcement Learning with Verifiable Rewards (RLVR) has demonstrated remarkable success in enhancing the reasoning capabilities of Large Language Models (LLMs). However, recent s…

cs.AI2025

Reducing Cognitive Overhead in Tool Use via Multi-Small-Agent Reinforcement Learning

Dayu Wang, Jiaye Yang, Weikang Li +2

Recent advances in multi-agent systems highlight the potential of specialized small agents that collaborate via division of labor. Existing tool-integrated reasoning systems, howev…