Ruzsa’s genus-one problem

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witness #1277

N
520
|A|
16
exponent log |A| / log N
0.4433
status
current record for this modulus
submitted by
Yongxi (Aaron) Lin
submitted at
2026-08-07 09:11:21 UTC

Elements (16)

0, 1, 5, 6, 25, 26, 70, 71, 90, 91, 95, 96, 195, 196, 420, 421

Commentary

Product construction S + m·U (S={0,1} mod 5, U = optimal 8-element set mod 104): solution-free sets compose multiplicatively.

last edited by Yongxi (Aaron) Lin at 2026-08-07 09:11:21 UTC · history

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