Ruzsa’s genus-one problem

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witness #1532

N
665
|A|
20
exponent log |A| / log N
0.4609
status
current record for this modulus
submitted by
Yongxi (Aaron) Lin
submitted at
2026-08-07 19:32:55 UTC

Elements (20)

16, 102, 107, 132, 137, 211, 241, 252, 282, 344, 361, 374, 391, 494, 501, 524, 531, 622, 651, 652

Commentary

Found by simulated annealing over subsets of Z/N, minimizing the count of nontrivial solutions to a+3b=2c+2d.

last edited by Yongxi (Aaron) Lin at 2026-08-07 19:32:55 UTC · history

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