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Erdős problem 476

Let A⊆FpA\subseteq \mathbb{F}_p. Let A+^A={a+b:a≠b∈A}. A\hat{+}A = \{ a+b : a\neq b \in A\}. Is it true that ∣A+^A∣≥min⁡(2∣A∣−3,p)? \lvert A\hat{+}A\rvert \geq \min(2\lvert A\rvert-3,p)?

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  3. VerificationNo check retained
  4. DecisionNo Repository has decided
  5. StandingA Result stands here
  6. Next gapNot recorded

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Technical detailsExact roots, source, and retained record identifiers

Exact provenance

Problem row
sha256:506494a09e244bdd1ebde71a4809d162bb9ffd0905c52561e415e74e951938b0
Metadata
sha256:015862a65b41e1c74b5b2c8eef30087db56287961307de97895c215c4d2c6fb4
Observation
sha256:9c8326e865b6017b103af7611c852a06776d81964979b8ab5a1b800cd550dff6
Content
sha256:7067384c97921c07b6639de7da2c4181f461100b2d86240c015a1eab41cb50be
Repository
sha256:a956b84c437202e5a02cc9e036a621bd14a302b34a75758115730bdbb77c52a4
Projection
sha256:a4a96441668a9f8b33afbcb3f696a2639f5fae145f36ddc063d7f67d5fb87ce8
Source commit
36c6d0fef71a3fec84d9dcd5eeca4e22e378f7cb