Best Known (47−8, 47, s)-Nets in Base 9
(47−8, 47, 265724)-Net over F9 — Constructive and digital
Digital (39, 47, 265724)-net over F9, using
- 91 times duplication [i] based on digital (38, 46, 265724)-net over F9, using
- net defined by OOA [i] based on linear OOA(946, 265724, F9, 8, 8) (dual of [(265724, 8), 2125746, 9]-NRT-code), using
- OA 4-folding and stacking [i] based on linear OA(946, 1062896, F9, 8) (dual of [1062896, 1062850, 9]-code), using
- trace code [i] based on linear OA(8123, 531448, F81, 8) (dual of [531448, 531425, 9]-code), using
- construction X applied to Ce(7) ⊂ Ce(5) [i] based on
- linear OA(8122, 531441, F81, 8) (dual of [531441, 531419, 9]-code), using an extension Ce(7) of the primitive narrow-sense BCH-code C(I) with length 531440 = 813−1, defining interval I = [1,7], and designed minimum distance d ≥ |I|+1 = 8 [i]
- linear OA(8116, 531441, F81, 6) (dual of [531441, 531425, 7]-code), using an extension Ce(5) of the primitive narrow-sense BCH-code C(I) with length 531440 = 813−1, defining interval I = [1,5], and designed minimum distance d ≥ |I|+1 = 6 [i]
- linear OA(811, 7, F81, 1) (dual of [7, 6, 2]-code), using
- discarding factors / shortening the dual code based on linear OA(811, s, F81, 1) (dual of [s, s−1, 2]-code) with arbitrarily large s, using
- construction X applied to Ce(7) ⊂ Ce(5) [i] based on
- trace code [i] based on linear OA(8123, 531448, F81, 8) (dual of [531448, 531425, 9]-code), using
- OA 4-folding and stacking [i] based on linear OA(946, 1062896, F9, 8) (dual of [1062896, 1062850, 9]-code), using
- net defined by OOA [i] based on linear OOA(946, 265724, F9, 8, 8) (dual of [(265724, 8), 2125746, 9]-NRT-code), using
(47−8, 47, 1078666)-Net over F9 — Digital
Digital (39, 47, 1078666)-net over F9, using
(47−8, 47, large)-Net in Base 9 — Upper bound on s
There is no (39, 47, large)-net in base 9, because
- 6 times m-reduction [i] would yield (39, 41, large)-net in base 9, but