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Author

Harry Yang

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#artificial intelligence Preprint Sep 2026

FlexRouter: Learning Complementary Model Sets for Flexible LLM Routing

Existing Large Language Model (LLM) routing methods score LLMs independently to select top-$k$ models. However, this ignores model correlations and enforces a rigid computational budget. Consequently, routers often select redundant models that share failure modes, limiting the overall probability of success. To address...

Wang Wei, Harry Yang, Tiankai Yang et al. · 1 citation
Preprint Aug 2026

Aborted but Not Forgotten: KV-Cache Retention Breaks Rollback Consistency in Language Agents

Stateful language agents assume a rejected branch can be taken back by clearing it from the application transcript. We show this breaks when the serving session retains key/value (KV) state across the logical abort: the model can continue attending to content the application believes it discarded. We formalize the miss...

Gui-Jia Zhang, Harry Yang · 1 citation
Jul 2026

Game Theory Driven Multi-Agent Framework Mitigates Language Model Hallucination

G-Frame, an adaptive multi-agent framework integrating Bayesian and team game principles, establishes an automated closed-loop for high-quality data synthesis and model training and synthesizes a specialized corpus of 363,045 chains-of-thought and 199,589 question-answer pairs.

Runzhe Liu, Biquan Bie, Zi-Hao Wang et al. · 0 citations

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