Best Known (19, 19+13, s)-Nets in Base 81
(19, 19+13, 1193)-Net over F81 — Constructive and digital
Digital (19, 32, 1193)-net over F81, using
- (u, u+v)-construction [i] based on
- digital (1, 7, 100)-net over F81, using
- net from sequence [i] based on digital (1, 99)-sequence over F81, using
- Niederreiter–Xing sequence construction II/III [i] based on function field F/F81 with g(F) = 1 and N(F) ≥ 100, using
- net from sequence [i] based on digital (1, 99)-sequence over F81, using
- digital (12, 25, 1093)-net over F81, using
- net defined by OOA [i] based on linear OOA(8125, 1093, F81, 13, 13) (dual of [(1093, 13), 14184, 14]-NRT-code), using
- OOA 6-folding and stacking with additional row [i] based on linear OA(8125, 6559, F81, 13) (dual of [6559, 6534, 14]-code), using
- discarding factors / shortening the dual code based on linear OA(8125, 6561, F81, 13) (dual of [6561, 6536, 14]-code), using
- an extension Ce(12) of the primitive narrow-sense BCH-code C(I) with length 6560 = 812−1, defining interval I = [1,12], and designed minimum distance d ≥ |I|+1 = 13 [i]
- discarding factors / shortening the dual code based on linear OA(8125, 6561, F81, 13) (dual of [6561, 6536, 14]-code), using
- OOA 6-folding and stacking with additional row [i] based on linear OA(8125, 6559, F81, 13) (dual of [6559, 6534, 14]-code), using
- net defined by OOA [i] based on linear OOA(8125, 1093, F81, 13, 13) (dual of [(1093, 13), 14184, 14]-NRT-code), using
- digital (1, 7, 100)-net over F81, using
(19, 19+13, 8126)-Net over F81 — Digital
Digital (19, 32, 8126)-net over F81, using
(19, 19+13, large)-Net in Base 81 — Upper bound on s
There is no (19, 32, large)-net in base 81, because
- 11 times m-reduction [i] would yield (19, 21, large)-net in base 81, but