Best Known (104, 104+12, s)-Nets in Base 9
(104, 104+12, 2815884)-Net over F9 — Constructive and digital
Digital (104, 116, 2815884)-net over F9, using
- (u, u+v)-construction [i] based on
- digital (20, 26, 19684)-net over F9, using
- net defined by OOA [i] based on linear OOA(926, 19684, F9, 6, 6) (dual of [(19684, 6), 118078, 7]-NRT-code), using
- OA 3-folding and stacking [i] based on linear OA(926, 59052, F9, 6) (dual of [59052, 59026, 7]-code), using
- discarding factors / shortening the dual code based on linear OA(926, 59054, F9, 6) (dual of [59054, 59028, 7]-code), using
- construction X applied to Ce(5) ⊂ Ce(4) [i] based on
- 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(921, 59049, F9, 5) (dual of [59049, 59028, 6]-code), using an extension Ce(4) of the primitive narrow-sense BCH-code C(I) with length 59048 = 95−1, defining interval I = [1,4], and designed minimum distance d ≥ |I|+1 = 5 [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(5) ⊂ Ce(4) [i] based on
- discarding factors / shortening the dual code based on linear OA(926, 59054, F9, 6) (dual of [59054, 59028, 7]-code), using
- OA 3-folding and stacking [i] based on linear OA(926, 59052, F9, 6) (dual of [59052, 59026, 7]-code), using
- net defined by OOA [i] based on linear OOA(926, 19684, F9, 6, 6) (dual of [(19684, 6), 118078, 7]-NRT-code), using
- digital (78, 90, 2796200)-net over F9, using
- net defined by OOA [i] based on linear OOA(990, 2796200, F9, 14, 12) (dual of [(2796200, 14), 39146710, 13]-NRT-code), using
- OOA 3-folding and stacking with additional row [i] based on linear OOA(990, 8388601, F9, 2, 12) (dual of [(8388601, 2), 16777112, 13]-NRT-code), using
- discarding factors / shortening the dual code based on linear OOA(990, 8388602, F9, 2, 12) (dual of [(8388602, 2), 16777114, 13]-NRT-code), using
- trace code [i] based on linear OOA(8145, 4194301, F81, 2, 12) (dual of [(4194301, 2), 8388557, 13]-NRT-code), using
- OOA 2-folding [i] based on linear OA(8145, 8388602, F81, 12) (dual of [8388602, 8388557, 13]-code), using
- discarding factors / shortening the dual code based on linear OA(8145, large, F81, 12) (dual of [large, large−45, 13]-code), using
- the expurgated narrow-sense BCH-code C(I) with length 21523360 | 814−1, defining interval I = [0,11], and designed minimum distance d ≥ |I|+1 = 13 [i]
- discarding factors / shortening the dual code based on linear OA(8145, large, F81, 12) (dual of [large, large−45, 13]-code), using
- OOA 2-folding [i] based on linear OA(8145, 8388602, F81, 12) (dual of [8388602, 8388557, 13]-code), using
- trace code [i] based on linear OOA(8145, 4194301, F81, 2, 12) (dual of [(4194301, 2), 8388557, 13]-NRT-code), using
- discarding factors / shortening the dual code based on linear OOA(990, 8388602, F9, 2, 12) (dual of [(8388602, 2), 16777114, 13]-NRT-code), using
- OOA 3-folding and stacking with additional row [i] based on linear OOA(990, 8388601, F9, 2, 12) (dual of [(8388601, 2), 16777112, 13]-NRT-code), using
- net defined by OOA [i] based on linear OOA(990, 2796200, F9, 14, 12) (dual of [(2796200, 14), 39146710, 13]-NRT-code), using
- digital (20, 26, 19684)-net over F9, using
(104, 104+12, large)-Net over F9 — Digital
Digital (104, 116, large)-net over F9, using
- t-expansion [i] based on digital (101, 116, large)-net over F9, using
- 2 times m-reduction [i] based on digital (101, 118, large)-net over F9, using
(104, 104+12, large)-Net in Base 9 — Upper bound on s
There is no (104, 116, large)-net in base 9, because
- 10 times m-reduction [i] would yield (104, 106, large)-net in base 9, but