Best Known (64, 83, s)-Nets in Base 64
(64, 83, 932146)-Net over F64 — Constructive and digital
Digital (64, 83, 932146)-net over F64, using
- (u, u+v)-construction [i] based on
- digital (1, 10, 80)-net over F64, using
- net from sequence [i] based on digital (1, 79)-sequence over F64, using
- Niederreiter–Xing sequence construction II/III [i] based on function field F/F64 with g(F) = 1 and N(F) ≥ 80, using
- net from sequence [i] based on digital (1, 79)-sequence over F64, using
- digital (54, 73, 932066)-net over F64, using
- net defined by OOA [i] based on linear OOA(6473, 932066, F64, 19, 19) (dual of [(932066, 19), 17709181, 20]-NRT-code), using
- OOA 9-folding and stacking with additional row [i] based on linear OA(6473, 8388595, F64, 19) (dual of [8388595, 8388522, 20]-code), using
- discarding factors / shortening the dual code based on linear OA(6473, large, F64, 19) (dual of [large, large−73, 20]-code), using
- the expurgated narrow-sense BCH-code C(I) with length 16777217 | 648−1, 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(6473, large, F64, 19) (dual of [large, large−73, 20]-code), using
- OOA 9-folding and stacking with additional row [i] based on linear OA(6473, 8388595, F64, 19) (dual of [8388595, 8388522, 20]-code), using
- net defined by OOA [i] based on linear OOA(6473, 932066, F64, 19, 19) (dual of [(932066, 19), 17709181, 20]-NRT-code), using
- digital (1, 10, 80)-net over F64, using
(64, 83, large)-Net over F64 — Digital
Digital (64, 83, large)-net over F64, using
- t-expansion [i] based on digital (63, 83, large)-net over F64, using
- 1 times m-reduction [i] based on digital (63, 84, large)-net over F64, using
- embedding of OOA with Gilbert–VarÅ¡amov bound [i] based on linear OA(6484, large, F64, 21) (dual of [large, large−84, 22]-code), using
- 3 times code embedding in larger space [i] based on linear OA(6481, large, F64, 21) (dual of [large, large−81, 22]-code), using
- the expurgated narrow-sense BCH-code C(I) with length 16777217 | 648−1, defining interval I = [0,10], and minimum distance d ≥ |{−10,−9,…,10}|+1 = 22 (BCH-bound) [i]
- 3 times code embedding in larger space [i] based on linear OA(6481, large, F64, 21) (dual of [large, large−81, 22]-code), using
- embedding of OOA with Gilbert–VarÅ¡amov bound [i] based on linear OA(6484, large, F64, 21) (dual of [large, large−84, 22]-code), using
- 1 times m-reduction [i] based on digital (63, 84, large)-net over F64, using
(64, 83, large)-Net in Base 64 — Upper bound on s
There is no (64, 83, large)-net in base 64, because
- 17 times m-reduction [i] would yield (64, 66, large)-net in base 64, but