Author

Yuanpeng He

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#artificial intelligence Sep 2026

Fracast-0: Fractal Weight Sharing for a Time Series Foundation Model with Only 85K Parameters

Time series foundation models must preserve multi-domain breadth, probabilistic output, and multiple temporal scales, but parameter count grows when each scale receives a separate representation. We introduce Fracast-0, a probabilistic forecasting foundation model that exploits temporal self-similarity to reuse one ope...

Tian-Xiang Zhan, Huan-Yao Zhang, Yuan-Peng He · arXiv.org · 0 citations

#machine learning May 2025

Continuous Evolution Pool: Taming Recurring Concept Drift in Online Time Series Forecasting

The Continuous Evolution Pool (CEP), a replay-free framework that maintains a dynamic pool of specialized forecasters, is proposed, which employs a retrieval mechanism to identify the nearest concept based on gene similarity, an evolution strategy to spawn new forecasters upon detecting distribution shifts, and an elim...

Tianxiang Zhan, Ming Jin, Yuanpeng He et al. · arXiv.org · 3 citations