Best Known (185, 185+19, s)-Nets in Base 3
(185, 185+19, 932106)-Net over F3 — Constructive and digital
Digital (185, 204, 932106)-net over F3, using
- 31 times duplication [i] based on digital (184, 203, 932106)-net over F3, using
- (u, u+v)-construction [i] based on
- digital (13, 22, 40)-net over F3, using
- trace code for nets [i] based on digital (2, 11, 20)-net over F9, using
- net from sequence [i] based on digital (2, 19)-sequence over F9, using
- Niederreiter–Xing sequence construction II/III [i] based on function field F/F9 with g(F) = 2 and N(F) ≥ 20, using
- net from sequence [i] based on digital (2, 19)-sequence over F9, using
- trace code for nets [i] based on digital (2, 11, 20)-net over F9, using
- digital (162, 181, 932066)-net over F3, using
- net defined by OOA [i] based on linear OOA(3181, 932066, F3, 19, 19) (dual of [(932066, 19), 17709073, 20]-NRT-code), using
- OOA 9-folding and stacking with additional row [i] based on linear OA(3181, 8388595, F3, 19) (dual of [8388595, 8388414, 20]-code), using
- discarding factors / shortening the dual code based on linear OA(3181, large, F3, 19) (dual of [large, large−181, 20]-code), using
- the expurgated narrow-sense BCH-code C(I) with length 14348908 | 330−1, defining interval I = [0,9], and minimum distance d ≥ |{−9,−8,…,9}|+1 = 20 (BCH-bound) [i]
- discarding factors / shortening the dual code based on linear OA(3181, large, F3, 19) (dual of [large, large−181, 20]-code), using
- OOA 9-folding and stacking with additional row [i] based on linear OA(3181, 8388595, F3, 19) (dual of [8388595, 8388414, 20]-code), using
- net defined by OOA [i] based on linear OOA(3181, 932066, F3, 19, 19) (dual of [(932066, 19), 17709073, 20]-NRT-code), using
- digital (13, 22, 40)-net over F3, using
- (u, u+v)-construction [i] based on
(185, 185+19, 3590565)-Net over F3 — Digital
Digital (185, 204, 3590565)-net over F3, using
- embedding of OOA with Gilbert–Varšamov bound [i] based on linear OOA(3204, 3590565, F3, 2, 19) (dual of [(3590565, 2), 7180926, 20]-NRT-code), using
- discarding factors / shortening the dual code based on linear OOA(3204, 4194341, F3, 2, 19) (dual of [(4194341, 2), 8388478, 20]-NRT-code), using
- 31 times duplication [i] based on linear OOA(3203, 4194341, F3, 2, 19) (dual of [(4194341, 2), 8388479, 20]-NRT-code), using
- (u, u+v)-construction [i] based on
- linear OOA(322, 40, F3, 2, 9) (dual of [(40, 2), 58, 10]-NRT-code), using
- extracting embedded OOA [i] based on digital (13, 22, 40)-net over F3, using
- trace code for nets [i] based on digital (2, 11, 20)-net over F9, using
- net from sequence [i] based on digital (2, 19)-sequence over F9, using
- Niederreiter–Xing sequence construction II/III [i] based on function field F/F9 with g(F) = 2 and N(F) ≥ 20, using
- net from sequence [i] based on digital (2, 19)-sequence over F9, using
- trace code for nets [i] based on digital (2, 11, 20)-net over F9, using
- extracting embedded OOA [i] based on digital (13, 22, 40)-net over F3, using
- linear OOA(3181, 4194301, F3, 2, 19) (dual of [(4194301, 2), 8388421, 20]-NRT-code), using
- OOA 2-folding [i] based on linear OA(3181, 8388602, F3, 19) (dual of [8388602, 8388421, 20]-code), using
- discarding factors / shortening the dual code based on linear OA(3181, large, F3, 19) (dual of [large, large−181, 20]-code), using
- the expurgated narrow-sense BCH-code C(I) with length 14348908 | 330−1, defining interval I = [0,9], and minimum distance d ≥ |{−9,−8,…,9}|+1 = 20 (BCH-bound) [i]
- discarding factors / shortening the dual code based on linear OA(3181, large, F3, 19) (dual of [large, large−181, 20]-code), using
- OOA 2-folding [i] based on linear OA(3181, 8388602, F3, 19) (dual of [8388602, 8388421, 20]-code), using
- linear OOA(322, 40, F3, 2, 9) (dual of [(40, 2), 58, 10]-NRT-code), using
- (u, u+v)-construction [i] based on
- 31 times duplication [i] based on linear OOA(3203, 4194341, F3, 2, 19) (dual of [(4194341, 2), 8388479, 20]-NRT-code), using
- discarding factors / shortening the dual code based on linear OOA(3204, 4194341, F3, 2, 19) (dual of [(4194341, 2), 8388478, 20]-NRT-code), using
(185, 185+19, large)-Net in Base 3 — Upper bound on s
There is no (185, 204, large)-net in base 3, because
- 17 times m-reduction [i] would yield (185, 187, large)-net in base 3, but