Rongxin Xu

Rongxin Xu

Ph.D. candidate researching LLM-driven intelligent decision-making, causal reasoning, and human-AI collaboration.

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February 2023Research Notes

Edge AI Breaks When Everyone Has to Wait

BFL-MEC is really a paper about coordination: once clients are mobile and asynchronous, the learning rule, the reward rule, and the trust mechanism all have to acknowledge that fact.

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August 2022Research Notes

Not Every Ledger Belongs on a Tiny Device

This survey becomes much more useful when read as an architecture lesson: choose a ledger by hardware constraints, consensus costs, and vertical fit, not by ideology.

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June 2022Research Notes

What Should a Blockchain Remember in Federated Learning?

FAIR-BFL is most interesting when read as a systems essay: measure contribution from gradient geometry, keep only the right state on-chain, and let fairness shape both incentives and aggregation.

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