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cs.CL2026
When 2D Tasks Meet 1D Serialization: On Serialization Friction in Structured Tasks
Chung-Hsiang Lo, Lu Li, Diji Yang +4
In the LLM era, many symbolic and structured problems are presented to models through 1D text serialization. Yet some such problems are natively two-dimensional: their relevant rel…
cs.CL2025
GraphGhost: Tracing Structures Behind Large Language Models
Xinnan Dai, Xianxuan Long, Chung-Hsiang Lo +4
Large Language Models (LLMs) exhibit strong reasoning capabilities on structured tasks, yet the internal mechanisms underlying such behaviors remain poorly understood. Existing int…