Chinese doctor uses ChatGPT to solve decades-old math conjecture

A neurosurgeon from Beijing, Jin Shanmu, has proven Crouzeix's conjecture, a long-standing problem in numerical linear algebra. He utilized the ChatGPT Work platform, specifically GPT-5.6-Sol, for a 16-hour autonomous run to achieve this mathematical breakthrough. Jin, who is also a postdoctoral researcher at Peking Union Medical College Hospital, initially encountered the problem while researching brain ultrasounds. AI

IMPACT Demonstrates AI's potential to assist in complex scientific problem-solving beyond typical applications.

RANK_REASON Research breakthrough using an AI tool, not a direct model release from a frontier lab. [lever_c_demoted from research: ic=1 ai=1.0]

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• Beijing
• ChatGPT
• ChatGPT Work platform
• Crouzeix's conjecture
• GPT-5.6 "Sol"
• Jin Shanmu
• Michel Crouzeix
• Peking Union Medical College Hospital

• paper
• product

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