Detecting Differences Is Not Understanding Structure: Large Language Models Fail at Graph Isomorphism

arXiv:2606.09484 · cs.CL · Submitted 2026-06-08 · Read on arXiv

cs.CL

Submitted: 2026-06-08

Updated: 2026-10-25

Terminology

• Structural Reasoning — 2× in this paper · explained in 2 episodes
• Accuracy — 1× in this paper · explained in 1 episode
• Benchmark — 1× in this paper · explained in 2 episodes
• Language Models (LLMs) — 1× in this paper · explained in 2 episodes
• Large Language Models (LLMs) — 1× in this paper · explained in 9 episodes
• Permutation Invariance — 1× in this paper · explained in 2 episodes

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