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Preprint · arXiv · 22 Jul 2026 · Computer science · Not signed on Papex

The Černý Conjecture for One-Cluster Automata via Annular Spectral Descent

Yinfeng Zhu

AI use, as the source states it

“The proof was obtained through interaction with OpenAI Codex (GPT-5.6 Sol, ultra mode) and verified by the author.”

Model: OpenAI Codex, GPT-5.6 Sol, as stated

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