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Xing-Ran Chen

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#machine learning Preprint Oct 2026

Multi-Token Random-Walk Learning via Meeting-Triggered Information Exchange

Random walk (RW)-based algorithms are widely used in decentralized learning due to their low communication overhead and scalability. While most existing methods rely on a single token, multiple tokens can explore the network in parallel and exchange information upon meeting. However, the fundamental benefits of such me...

Tai-Chun Yeh, Xing-Ran Chen · 0 citations
#artificial intelligence Preprint Aug 2026

RW-LoRA: Communication-Efficient Decentralized LoRA Fine-Tuning via Random Walks

A random-walk-based LoRA fine-tuning scheme that eliminates the need for global synchronization, substantially reduces communication and computation costs, and avoids aggregation errors is proposed and provides rigorous convergence guarantees for non-convex objectives under standard assumptions.

Xing-Ran Chen, Rohit Bhagat, Ghadir Ayache et al. · 1 citation

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