Erdős problem 955 · problems.science

If $A\subset \mathbb{N}$ has density $0$ then $s^{-1}(A)$ must also have density $0$ .

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Problem row: sha256:90acaec50183d095107c900ef1d5b0fee191ad60350604712ecb41a959b64204
Metadata: sha256:df2dbe46e86984ceab8c691d47afd01906962efd75d43dd3600d8bb222da1770
Observation: sha256:8c823d621b7e1256c8e47c60a5f1c54c016a5507e6f27b2bab537f6f5f232067
Content: sha256:40dc1f665d135b5a1caa186859ec552c9e7da5a4283997b9c8b1c0fa3a456083

Repository: sha256:a956b84c437202e5a02cc9e036a621bd14a302b34a75758115730bdbb77c52a4
Projection: sha256:c9d14c459c518937e758918b5897dc3b22f1a55f07739afe99502f5b046c907a
Source commit: 2415f78e850aeee50afdca525c6f2e0ea606f207