Best Known (128, 142, s)-Nets in Base 9
(128, 142, 2416638)-Net over F9 — Constructive and digital
Digital (128, 142, 2416638)-net over F9, using
- (u, u+v)-construction [i] based on
- digital (29, 36, 19896)-net over F9, using
- (u, u+v)-construction [i] based on
- digital (2, 5, 212)-net over F9, using
- net defined by OOA [i] based on linear OOA(95, 212, F9, 3, 3) (dual of [(212, 3), 631, 4]-NRT-code), using
- appending kth column [i] based on linear OOA(95, 212, F9, 2, 3) (dual of [(212, 2), 419, 4]-NRT-code), using
- net defined by OOA [i] based on linear OOA(95, 212, F9, 3, 3) (dual of [(212, 3), 631, 4]-NRT-code), using
- digital (24, 31, 19684)-net over F9, using
- net defined by OOA [i] based on linear OOA(931, 19684, F9, 7, 7) (dual of [(19684, 7), 137757, 8]-NRT-code), using
- OOA 3-folding and stacking with additional row [i] based on linear OA(931, 59053, F9, 7) (dual of [59053, 59022, 8]-code), using
- discarding factors / shortening the dual code based on linear OA(931, 59054, F9, 7) (dual of [59054, 59023, 8]-code), using
- construction X applied to Ce(6) ⊂ Ce(5) [i] based on
- linear OA(931, 59049, F9, 7) (dual of [59049, 59018, 8]-code), using an extension Ce(6) of the primitive narrow-sense BCH-code C(I) with length 59048 = 95−1, defining interval I = [1,6], and designed minimum distance d ≥ |I|+1 = 7 [i]
- linear OA(926, 59049, F9, 6) (dual of [59049, 59023, 7]-code), using an extension Ce(5) of the primitive narrow-sense BCH-code C(I) with length 59048 = 95−1, defining interval I = [1,5], and designed minimum distance d ≥ |I|+1 = 6 [i]
- linear OA(90, 5, F9, 0) (dual of [5, 5, 1]-code), using
- discarding factors / shortening the dual code based on linear OA(90, s, F9, 0) (dual of [s, s, 1]-code) with arbitrarily large s, using
- construction X applied to Ce(6) ⊂ Ce(5) [i] based on
- discarding factors / shortening the dual code based on linear OA(931, 59054, F9, 7) (dual of [59054, 59023, 8]-code), using
- OOA 3-folding and stacking with additional row [i] based on linear OA(931, 59053, F9, 7) (dual of [59053, 59022, 8]-code), using
- net defined by OOA [i] based on linear OOA(931, 19684, F9, 7, 7) (dual of [(19684, 7), 137757, 8]-NRT-code), using
- digital (2, 5, 212)-net over F9, using
- (u, u+v)-construction [i] based on
- digital (92, 106, 2396742)-net over F9, using
- trace code for nets [i] based on digital (39, 53, 1198371)-net over F81, using
- net defined by OOA [i] based on linear OOA(8153, 1198371, F81, 14, 14) (dual of [(1198371, 14), 16777141, 15]-NRT-code), using
- OA 7-folding and stacking [i] based on linear OA(8153, 8388597, F81, 14) (dual of [8388597, 8388544, 15]-code), using
- discarding factors / shortening the dual code based on linear OA(8153, large, F81, 14) (dual of [large, large−53, 15]-code), using
- the expurgated narrow-sense BCH-code C(I) with length 21523360 | 814−1, defining interval I = [0,13], and designed minimum distance d ≥ |I|+1 = 15 [i]
- discarding factors / shortening the dual code based on linear OA(8153, large, F81, 14) (dual of [large, large−53, 15]-code), using
- OA 7-folding and stacking [i] based on linear OA(8153, 8388597, F81, 14) (dual of [8388597, 8388544, 15]-code), using
- net defined by OOA [i] based on linear OOA(8153, 1198371, F81, 14, 14) (dual of [(1198371, 14), 16777141, 15]-NRT-code), using
- trace code for nets [i] based on digital (39, 53, 1198371)-net over F81, using
- digital (29, 36, 19896)-net over F9, using
(128, 142, large)-Net over F9 — Digital
Digital (128, 142, large)-net over F9, using
- t-expansion [i] based on digital (124, 142, large)-net over F9, using
- 3 times m-reduction [i] based on digital (124, 145, large)-net over F9, using
(128, 142, large)-Net in Base 9 — Upper bound on s
There is no (128, 142, large)-net in base 9, because
- 12 times m-reduction [i] would yield (128, 130, large)-net in base 9, but