Author

Yang-Yang Feng

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Preprint Sep 2026

CompEvo: Competition-Induced Evolution for Multi-Agent in News-Driven Time Series Forecasting

This work proposes CompEvo, a trainable multi-agent evolution framework that integrates strategy execution, fitness-based differentiable selection, and competition-induced strategy evolution that enables heterogeneous agents to explore diverse news evidence, converts forecasting feedback into differentiable influence w...

Yuxuan Zhang, Yang-Yang Feng, Yong Guan et al. · 0 citations

Preprint Aug 2026

PAST: Privileged Adaptation from Complete Student Trajectories for On-Policy Self-Distillation

Privileged Adaptation from Student Trajectories (PAST), which treats each completed student trajectory as additional privileged information for the OPSD teacher while leaving the student's distillation prefixes unchanged, and improves the Avg@12 macro average over Vanilla OPSD by 5.6 percentage points.

Yang-Yang Feng, Zhuoyan Feng, Jun-Lan Chen · 5 citations

#artificial intelligence Feb 2026

Learning to Remember: End-to-End Training of Memory Agents for Long-Context Reasoning

This work introduces Unified Memory Agent for a one-to-many setting: query-agnostic external memory is constructed once from a stream and reused across multiple future QA sessions, and introduces Ledger-QA, a diagnostic benchmark for long-horizon state tracking over accumulated updates.

Ke-Hao Zhang, Shang-Tong Gui, Sheng-Zun Yang et al. · arXiv.org · 6 citations