Best Known (99−33, 99, s)-Nets in Base 25
(99−33, 99, 977)-Net over F25 — Constructive and digital
Digital (66, 99, 977)-net over F25, using
- 253 times duplication [i] based on digital (63, 96, 977)-net over F25, using
- net defined by OOA [i] based on linear OOA(2596, 977, F25, 33, 33) (dual of [(977, 33), 32145, 34]-NRT-code), using
- OOA 16-folding and stacking with additional row [i] based on linear OA(2596, 15633, F25, 33) (dual of [15633, 15537, 34]-code), using
- discarding factors / shortening the dual code based on linear OA(2596, 15636, F25, 33) (dual of [15636, 15540, 34]-code), using
- construction X applied to Ce(32) ⊂ Ce(29) [i] based on
- linear OA(2594, 15625, F25, 33) (dual of [15625, 15531, 34]-code), using an extension Ce(32) of the primitive narrow-sense BCH-code C(I) with length 15624 = 253−1, defining interval I = [1,32], and designed minimum distance d ≥ |I|+1 = 33 [i]
- linear OA(2585, 15625, F25, 30) (dual of [15625, 15540, 31]-code), using an extension Ce(29) of the primitive narrow-sense BCH-code C(I) with length 15624 = 253−1, defining interval I = [1,29], and designed minimum distance d ≥ |I|+1 = 30 [i]
- linear OA(252, 11, F25, 2) (dual of [11, 9, 3]-code or 11-arc in PG(1,25)), using
- discarding factors / shortening the dual code based on linear OA(252, 25, F25, 2) (dual of [25, 23, 3]-code or 25-arc in PG(1,25)), using
- Reed–Solomon code RS(23,25) [i]
- discarding factors / shortening the dual code based on linear OA(252, 25, F25, 2) (dual of [25, 23, 3]-code or 25-arc in PG(1,25)), using
- construction X applied to Ce(32) ⊂ Ce(29) [i] based on
- discarding factors / shortening the dual code based on linear OA(2596, 15636, F25, 33) (dual of [15636, 15540, 34]-code), using
- OOA 16-folding and stacking with additional row [i] based on linear OA(2596, 15633, F25, 33) (dual of [15633, 15537, 34]-code), using
- net defined by OOA [i] based on linear OOA(2596, 977, F25, 33, 33) (dual of [(977, 33), 32145, 34]-NRT-code), using
(99−33, 99, 13571)-Net over F25 — Digital
Digital (66, 99, 13571)-net over F25, using
- embedding of OOA with Gilbert–Varšamov bound [i] based on linear OA(2599, 13571, F25, 33) (dual of [13571, 13472, 34]-code), using
- discarding factors / shortening the dual code based on linear OA(2599, 15648, F25, 33) (dual of [15648, 15549, 34]-code), using
- construction X applied to Ce(32) ⊂ Ce(26) [i] based on
- linear OA(2594, 15625, F25, 33) (dual of [15625, 15531, 34]-code), using an extension Ce(32) of the primitive narrow-sense BCH-code C(I) with length 15624 = 253−1, defining interval I = [1,32], and designed minimum distance d ≥ |I|+1 = 33 [i]
- linear OA(2576, 15625, F25, 27) (dual of [15625, 15549, 28]-code), using an extension Ce(26) of the primitive narrow-sense BCH-code C(I) with length 15624 = 253−1, defining interval I = [1,26], and designed minimum distance d ≥ |I|+1 = 27 [i]
- linear OA(255, 23, F25, 5) (dual of [23, 18, 6]-code or 23-arc in PG(4,25)), using
- discarding factors / shortening the dual code based on linear OA(255, 25, F25, 5) (dual of [25, 20, 6]-code or 25-arc in PG(4,25)), using
- Reed–Solomon code RS(20,25) [i]
- discarding factors / shortening the dual code based on linear OA(255, 25, F25, 5) (dual of [25, 20, 6]-code or 25-arc in PG(4,25)), using
- construction X applied to Ce(32) ⊂ Ce(26) [i] based on
- discarding factors / shortening the dual code based on linear OA(2599, 15648, F25, 33) (dual of [15648, 15549, 34]-code), using
(99−33, 99, large)-Net in Base 25 — Upper bound on s
There is no (66, 99, large)-net in base 25, because
- 31 times m-reduction [i] would yield (66, 68, large)-net in base 25, but