Best Known (75, 94, s)-Nets in Base 3
(75, 94, 600)-Net over F3 — Constructive and digital
Digital (75, 94, 600)-net over F3, using
- 32 times duplication [i] based on digital (73, 92, 600)-net over F3, using
- trace code for nets [i] based on digital (4, 23, 150)-net over F81, using
- net from sequence [i] based on digital (4, 149)-sequence over F81, using
- Niederreiter–Xing sequence construction II/III [i] based on function field F/F81 with g(F) = 4 and N(F) ≥ 150, using
- net from sequence [i] based on digital (4, 149)-sequence over F81, using
- trace code for nets [i] based on digital (4, 23, 150)-net over F81, using
(75, 94, 1447)-Net over F3 — Digital
Digital (75, 94, 1447)-net over F3, using
- embedding of OOA with Gilbert–Varšamov bound [i] based on linear OA(394, 1447, F3, 19) (dual of [1447, 1353, 20]-code), using
- discarding factors / shortening the dual code based on linear OA(394, 2198, F3, 19) (dual of [2198, 2104, 20]-code), using
- construction X applied to C([0,9]) ⊂ C([1,9]) [i] based on
- linear OA(385, 2188, F3, 19) (dual of [2188, 2103, 20]-code), using the expurgated narrow-sense BCH-code C(I) with length 2188 | 314−1, defining interval I = [0,9], and minimum distance d ≥ |{−9,−8,…,9}|+1 = 20 (BCH-bound) [i]
- linear OA(384, 2188, F3, 9) (dual of [2188, 2104, 10]-code), using the narrow-sense BCH-code C(I) with length 2188 | 314−1, defining interval I = [1,9], and designed minimum distance d ≥ |I|+1 = 10 [i]
- linear OA(39, 10, F3, 9) (dual of [10, 1, 10]-code or 10-arc in PG(8,3)), using
- dual of repetition code with length 10 [i]
- construction X applied to C([0,9]) ⊂ C([1,9]) [i] based on
- discarding factors / shortening the dual code based on linear OA(394, 2198, F3, 19) (dual of [2198, 2104, 20]-code), using
(75, 94, 176584)-Net in Base 3 — Upper bound on s
There is no (75, 94, 176585)-net in base 3, because
- 1 times m-reduction [i] would yield (75, 93, 176585)-net in base 3, but
- the generalized Rao bound for nets shows that 3m ≥ 235 656461 205775 652844 742258 663973 967498 899955 > 393 [i]