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Erdős problem 955

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If A⊂NA\subset \mathbb{N} has density 00 then s−1(A)s^{-1}(A) must also have density 00.

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How far the record reaches3 of 6 stages
  1. Sourceerdos-problems
  2. StatementRetained
  3. Formal12 retained
  4. ResolutionNone filed
  5. WorkNone recorded
  6. DecisionNone here
  7. The questionNot reached
What this record is missingResolution

No source retained here records an outcome for this question.

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Where the source files it575 share a topic
Number Theory576
Erdős problem 321accepted
Carrying a Standing. Browse the topic.
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