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Haifeng Zhang

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#artificial intelligence Preprint Sep 2026

Information-Time Proximal Policy Optimization

RLVR has substantially improved the reasoning capabilities of LLMs. However, existing methods typically parameterize temporal progression in the Markov Decision Process by token-by-token generation, despite the highly non-uniform information flow along autoregressive trajectories. In this paper, we propose InfoPPO, whi...

Yong-Cheng Zeng, Xin-Yu Cui, Yan Song et al. · 0 citations
Preprint Sep 2026

Embracing Flow Unsteadiness: A High-Throughput Learning Platform Enables Vortex-Exploiting Bioinspired Propulsion

Biological swimmers and flyers exploit unsteady vortices for propulsion, whereas engineered vehicles usually suppress them as disturbances. Learning such flow exploitation in machines is difficult because real-fluid interaction data are scarce and unstructured exploration is unstable in high-dimensional, history-depend...

Fei Han, Xin-Yu Cui, Zhi-Peng Wang et al. · 0 citations
#artificial intelligence Preprint Sep 2026

Remember and Reweight: Enhancing Multi-Agent Debate with Experience Memory and Confidence Estimation

This work proposes R$^2$-MAD (Remember and Reweight for Multi-Agent Debate), a framework that equips agents with an experience memory accumulated from past debates that achieves consistent improvements over existing single-agent and MAD baselines.

Xuan-Fa Jin, Zhijian Ma, Yong-Cheng Zeng et al. · 0 citations
Jul 2026

UniMem: Complementary Episodic-to-Parametric Memory for Boundary-Agnostic Task Streams

Inspired by the human brain, which balances plasticity and stability through complementary episodic storage and gradual consolidation, UniMem is proposed, a self-routing framework for autonomous memory management that consistently outperforms baselines while maintaining execution fidelity.

Si-Yu Xia, Chen-Heng Zhang, Yan-Ting Wu et al. · 0 citations

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