Author

Cheston Tan

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#artificial intelligence Preprint Open access Sep 2026

Contagion on the Trading Floor: How Adversarial Signals Spread in Multi-Agent Trading Systems

Multi-agent trading systems built on large language models (LLMs) are beginning to appear in quantitative finance, yet their robustness to adversarial inputs is largely unknown. We study the vulnerability of LLM trading stacks to black-box, input-only attacks that enter solely via admissible social-media feeds. We intr...

Rong-Sua Qi, Jun-Hao Dong, Thai Duc Nguyen et al. · 0 citations

#artificial intelligence Preprint Aug 2026

FedPref: Federated Preference Learning for Structured Radiology Report Extraction

FedPref lets institutions with unequal, unpooled data benefit from collaboration without ever sharing reports or annotations, and frozen public language models propose alternative JSON extractions, local annotations rank them, and sites collaboratively train compact Qwen3-8B adapters while sharing only model updates.

Flint Xiaofeng Fan, Cheston Tan, Y. Ong et al. · 0 citations