Best Known (140, 140+13, s)-Nets in Base 3
(140, 140+13, 1400287)-Net over F3 — Constructive and digital
Digital (140, 153, 1400287)-net over F3, using
- (u, u+v)-construction [i] based on
- digital (26, 32, 2187)-net over F3, using
- net defined by OOA [i] based on linear OOA(332, 2187, F3, 6, 6) (dual of [(2187, 6), 13090, 7]-NRT-code), using
- appending kth column [i] based on linear OOA(332, 2187, F3, 5, 6) (dual of [(2187, 5), 10903, 7]-NRT-code), using
- OA 3-folding and stacking [i] based on linear OA(332, 6561, F3, 6) (dual of [6561, 6529, 7]-code), using
- 1 times truncation [i] based on linear OA(333, 6562, F3, 7) (dual of [6562, 6529, 8]-code), using
- the expurgated narrow-sense BCH-code C(I) with length 6562 | 316−1, defining interval I = [0,3], and minimum distance d ≥ |{−3,−2,…,3}|+1 = 8 (BCH-bound) [i]
- 1 times truncation [i] based on linear OA(333, 6562, F3, 7) (dual of [6562, 6529, 8]-code), using
- OA 3-folding and stacking [i] based on linear OA(332, 6561, F3, 6) (dual of [6561, 6529, 7]-code), using
- appending kth column [i] based on linear OOA(332, 2187, F3, 5, 6) (dual of [(2187, 5), 10903, 7]-NRT-code), using
- net defined by OOA [i] based on linear OOA(332, 2187, F3, 6, 6) (dual of [(2187, 6), 13090, 7]-NRT-code), using
- digital (108, 121, 1398100)-net over F3, using
- net defined by OOA [i] based on linear OOA(3121, 1398100, F3, 13, 13) (dual of [(1398100, 13), 18175179, 14]-NRT-code), using
- OOA 6-folding and stacking with additional row [i] based on linear OA(3121, 8388601, F3, 13) (dual of [8388601, 8388480, 14]-code), using
- discarding factors / shortening the dual code based on linear OA(3121, large, F3, 13) (dual of [large, large−121, 14]-code), using
- the expurgated narrow-sense BCH-code C(I) with length 14348908 | 330−1, defining interval I = [0,6], and minimum distance d ≥ |{−6,−5,…,6}|+1 = 14 (BCH-bound) [i]
- discarding factors / shortening the dual code based on linear OA(3121, large, F3, 13) (dual of [large, large−121, 14]-code), using
- OOA 6-folding and stacking with additional row [i] based on linear OA(3121, 8388601, F3, 13) (dual of [8388601, 8388480, 14]-code), using
- net defined by OOA [i] based on linear OOA(3121, 1398100, F3, 13, 13) (dual of [(1398100, 13), 18175179, 14]-NRT-code), using
- digital (26, 32, 2187)-net over F3, using
(140, 140+13, large)-Net over F3 — Digital
Digital (140, 153, large)-net over F3, using
- 31 times duplication [i] based on digital (139, 152, large)-net over F3, using
- embedding of OOA with Gilbert–VarÅ¡amov bound [i] based on linear OA(3152, large, F3, 13) (dual of [large, large−152, 14]-code), using
- 31 times code embedding in larger space [i] based on linear OA(3121, large, F3, 13) (dual of [large, large−121, 14]-code), using
- the expurgated narrow-sense BCH-code C(I) with length 14348908 | 330−1, defining interval I = [0,6], and minimum distance d ≥ |{−6,−5,…,6}|+1 = 14 (BCH-bound) [i]
- 31 times code embedding in larger space [i] based on linear OA(3121, large, F3, 13) (dual of [large, large−121, 14]-code), using
- embedding of OOA with Gilbert–VarÅ¡amov bound [i] based on linear OA(3152, large, F3, 13) (dual of [large, large−152, 14]-code), using
(140, 140+13, large)-Net in Base 3 — Upper bound on s
There is no (140, 153, large)-net in base 3, because
- 11 times m-reduction [i] would yield (140, 142, large)-net in base 3, but