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Research notes on every problem, and a library of the papers behind them. Built from the open erdos repository.
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2026_05_03_nayak: A research note of May 2026 by Ritvik Nayak, written with the AI system GPT-5.5 Thinking, claims that two intersecting intervals have an integer reciprocal sum only for four pairs inside {1, 2}; unreviewed.
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