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cs.CL2026
RCCM: Diagnosing Gains and Harms in Reasoning-Prompt Transfer
Yuqi Zhang, Di Zhang
A reasoning prompt can improve one deployment and degrade another. RCCM (Reasoning-Control Capability Mismatch) examines these reversals by pairing answers to the same questions wi…
cs.CL2026
The Structural Attention Tax: How Retrieval Format Hijacks In-Context Learning Independent of Content
Yuqi Zhang, Di Zhang
Retrieval-augmented generation (RAG) systems inject external knowledge to improve LLM outputs, yet the format of injected content -- distinct from its semantic relevance -- can ind…