Compression of the second-generation 80-point sumset #1583. Applied the affine automorphism x -> 13229*x mod 16475, cut at a large circular gap, translated the next point to 0, and then reduced the modulus from 16475 to 16230. All 80 points survive with no deletion. This is the second sumset -> compression stage in the alternating algorithm.
Yongxi (Aaron) Lin · 2026-08-07 23:15:17 UTC