Author

Yu-Xin Ren

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Preprint Oct 2026

Hippo: Training-Free Agent Self-Evolution via Hippocampal Replay

Motivated by recursive self-improvement (RSI), we study how LLM agents can learn through external memory without updating model parameters. Extracting useful experience from a single attempt is difficult: flawed reasoning can produce success, while poor execution can obscure a sound strategy. Preserving its value over...

Yu-Tong Song, Jiang Wu, Yu-Xin Ren et al. · 0 citations