Best Known (136−25, 136, s)-Nets in Base 9
(136−25, 136, 44288)-Net over F9 — Constructive and digital
Digital (111, 136, 44288)-net over F9, using
- net defined by OOA [i] based on linear OOA(9136, 44288, F9, 25, 25) (dual of [(44288, 25), 1107064, 26]-NRT-code), using
- OOA 12-folding and stacking with additional row [i] based on linear OA(9136, 531457, F9, 25) (dual of [531457, 531321, 26]-code), using
- discarding factors / shortening the dual code based on linear OA(9136, 531462, F9, 25) (dual of [531462, 531326, 26]-code), using
- construction X applied to Ce(24) ⊂ Ce(21) [i] based on
- linear OA(9133, 531441, F9, 25) (dual of [531441, 531308, 26]-code), using an extension Ce(24) of the primitive narrow-sense BCH-code C(I) with length 531440 = 96−1, defining interval I = [1,24], and designed minimum distance d ≥ |I|+1 = 25 [i]
- linear OA(9115, 531441, F9, 22) (dual of [531441, 531326, 23]-code), using an extension Ce(21) of the primitive narrow-sense BCH-code C(I) with length 531440 = 96−1, defining interval I = [1,21], and designed minimum distance d ≥ |I|+1 = 22 [i]
- linear OA(93, 21, F9, 2) (dual of [21, 18, 3]-code), using
- discarding factors / shortening the dual code based on linear OA(93, 80, F9, 2) (dual of [80, 77, 3]-code), using
- the primitive expurgated narrow-sense BCH-code C(I) with length 80 = 92−1, defining interval I = [0,1], and designed minimum distance d ≥ |I|+1 = 3 [i]
- discarding factors / shortening the dual code based on linear OA(93, 80, F9, 2) (dual of [80, 77, 3]-code), using
- construction X applied to Ce(24) ⊂ Ce(21) [i] based on
- discarding factors / shortening the dual code based on linear OA(9136, 531462, F9, 25) (dual of [531462, 531326, 26]-code), using
- OOA 12-folding and stacking with additional row [i] based on linear OA(9136, 531457, F9, 25) (dual of [531457, 531321, 26]-code), using
(136−25, 136, 470265)-Net over F9 — Digital
Digital (111, 136, 470265)-net over F9, using
- embedding of OOA with Gilbert–Varšamov bound [i] based on linear OA(9136, 470265, F9, 25) (dual of [470265, 470129, 26]-code), using
- discarding factors / shortening the dual code based on linear OA(9136, 531462, F9, 25) (dual of [531462, 531326, 26]-code), using
- construction X applied to Ce(24) ⊂ Ce(21) [i] based on
- linear OA(9133, 531441, F9, 25) (dual of [531441, 531308, 26]-code), using an extension Ce(24) of the primitive narrow-sense BCH-code C(I) with length 531440 = 96−1, defining interval I = [1,24], and designed minimum distance d ≥ |I|+1 = 25 [i]
- linear OA(9115, 531441, F9, 22) (dual of [531441, 531326, 23]-code), using an extension Ce(21) of the primitive narrow-sense BCH-code C(I) with length 531440 = 96−1, defining interval I = [1,21], and designed minimum distance d ≥ |I|+1 = 22 [i]
- linear OA(93, 21, F9, 2) (dual of [21, 18, 3]-code), using
- discarding factors / shortening the dual code based on linear OA(93, 80, F9, 2) (dual of [80, 77, 3]-code), using
- the primitive expurgated narrow-sense BCH-code C(I) with length 80 = 92−1, defining interval I = [0,1], and designed minimum distance d ≥ |I|+1 = 3 [i]
- discarding factors / shortening the dual code based on linear OA(93, 80, F9, 2) (dual of [80, 77, 3]-code), using
- construction X applied to Ce(24) ⊂ Ce(21) [i] based on
- discarding factors / shortening the dual code based on linear OA(9136, 531462, F9, 25) (dual of [531462, 531326, 26]-code), using
(136−25, 136, large)-Net in Base 9 — Upper bound on s
There is no (111, 136, large)-net in base 9, because
- 23 times m-reduction [i] would yield (111, 113, large)-net in base 9, but