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Erdős problem / erdos

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Problem 332

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  1. vf_6248dce8ebf62f88

    theoretical

    Erdős Problem #332: declared status 'open'. Formalized: yes. Let A⊆NA\subseteq \mathbb{N} and D(A)D(A) be the set of those numbers which occur infinitely often as a1−a2a_1-a_2 with a1,a2∈Aa_1,a_2\in A. What conditions on AA are sufficient to ensure D(A)D(A) has bounded gaps? Prize: no. Tags: number theory.

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