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Erdős problem / erdos

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Problem 28

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  1. vf_71c6e27c7ea82ac1

    theoretical

    Erdős Problem #28: declared status 'open'. Formalized: yes. If A⊆NA\subseteq \mathbb{N} is such that A+AA+A contains all but finitely many integers then lim sup⁡1A∗1A(n)=∞\limsup 1_A\ast 1_A(n)=\infty. Prize: $500. Tags: additive basis, number theory.

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