Lijie Chen @wjmzbmr1 · 20 May 2026
Today, we share a breakthrough on the planar unit distance problem, a famous open question first posed by Paul Erdős in 1946. For nearly 80 years, mathematicians believed the best possible solutions looked roughly like square grids. An OpenAI model has now disproved that https://t.co/j2g3Ze0zEG
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