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Siyuan Ma

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#artificial intelligence Preprint Oct 2026

Linear Fitness Subspace in Protein Language Models Enables Sample-Efficient Directed Evolution

Model-guided directed evolution seeks to identify high-fitness protein variants under limited oracle budgets. Protein language models (PLMs) provide rich representations for this task, but task-agnostic zero-shot scores can be misaligned with a target assay, while supervised search in high-dimensional embedding spaces...

Si-Yuan Ma, Can-Ran Xiao, Zi-Kai Xiao et al. · 0 citations
Open access Aug 2026

Routed Prototype Adapters for Federated Financial Return Prediction with Frozen LLMs

The results suggest that compositional shared adaptation with local residual personalization is a practical direction for financial LLM deployment under data-local, communication-constrained, and heterogeneous federated settings.

Bo-Wen Li, Si-Yuan Ma, Yang Liu · 0 citations
Preprint Aug 2026

FutureBridge: Token Selection Beyond Local Preference in Collaborative Decoding

FutureBridge is presented, which ranks joint LLM-SLM token candidates according to how well they support the SLM's subsequent reasoning, and indicates that token selection benefits from modeling whether the receiving SLM can use each candidate to continue reasoning, rather than relying on the LLM's local preference alo...

Quanquan Li, Hongbo Zhang, Yihe Chi et al. · 0 citations

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