Best Known (78−22, 78, s)-Nets in Base 81
(78−22, 78, 48429)-Net over F81 — Constructive and digital
Digital (56, 78, 48429)-net over F81, using
- 811 times duplication [i] based on digital (55, 77, 48429)-net over F81, using
- (u, u+v)-construction [i] based on
- digital (2, 13, 116)-net over F81, using
- net from sequence [i] based on digital (2, 115)-sequence over F81, using
- Niederreiter–Xing sequence construction II/III [i] based on function field F/F81 with g(F) = 2 and N(F) ≥ 116, using
- net from sequence [i] based on digital (2, 115)-sequence over F81, using
- digital (42, 64, 48313)-net over F81, using
- net defined by OOA [i] based on linear OOA(8164, 48313, F81, 22, 22) (dual of [(48313, 22), 1062822, 23]-NRT-code), using
- OA 11-folding and stacking [i] based on linear OA(8164, 531443, F81, 22) (dual of [531443, 531379, 23]-code), using
- discarding factors / shortening the dual code based on linear OA(8164, 531444, F81, 22) (dual of [531444, 531380, 23]-code), using
- construction X applied to Ce(21) ⊂ Ce(20) [i] based on
- linear OA(8164, 531441, F81, 22) (dual of [531441, 531377, 23]-code), using an extension Ce(21) of the primitive narrow-sense BCH-code C(I) with length 531440 = 813−1, defining interval I = [1,21], and designed minimum distance d ≥ |I|+1 = 22 [i]
- linear OA(8161, 531441, F81, 21) (dual of [531441, 531380, 22]-code), using an extension Ce(20) of the primitive narrow-sense BCH-code C(I) with length 531440 = 813−1, defining interval I = [1,20], and designed minimum distance d ≥ |I|+1 = 21 [i]
- linear OA(810, 3, F81, 0) (dual of [3, 3, 1]-code), using
- discarding factors / shortening the dual code based on linear OA(810, s, F81, 0) (dual of [s, s, 1]-code) with arbitrarily large s, using
- construction X applied to Ce(21) ⊂ Ce(20) [i] based on
- discarding factors / shortening the dual code based on linear OA(8164, 531444, F81, 22) (dual of [531444, 531380, 23]-code), using
- OA 11-folding and stacking [i] based on linear OA(8164, 531443, F81, 22) (dual of [531443, 531379, 23]-code), using
- net defined by OOA [i] based on linear OOA(8164, 48313, F81, 22, 22) (dual of [(48313, 22), 1062822, 23]-NRT-code), using
- digital (2, 13, 116)-net over F81, using
- (u, u+v)-construction [i] based on
(78−22, 78, 1330652)-Net over F81 — Digital
Digital (56, 78, 1330652)-net over F81, using
(78−22, 78, large)-Net in Base 81 — Upper bound on s
There is no (56, 78, large)-net in base 81, because
- 20 times m-reduction [i] would yield (56, 58, large)-net in base 81, but