Best Known (103, 103+4, s)-Nets in Base 7
(103, 103+4, large)-Net over F7 — Constructive and digital
Digital (103, 107, large)-net over F7, using
- t-expansion [i] based on digital (101, 107, large)-net over F7, using
- 3 times m-reduction [i] based on digital (101, 110, large)-net over F7, using
- (u, u+v)-construction [i] based on
- digital (0, 4, 8)-net over F7, using
- net from sequence [i] based on digital (0, 7)-sequence over F7, using
- Faure sequence [i]
- Niederreiter–Xing sequence construction II/III [i] based on function field F/F7 with g(F) = 0 and N(F) ≥ 8, using
- the rational function field F7(x) [i]
- Niederreiter sequence [i]
- net from sequence [i] based on digital (0, 7)-sequence over F7, using
- digital (97, 106, 8388602)-net over F7, using
- trace code for nets [i] based on digital (44, 53, 4194301)-net over F49, using
- net defined by OOA [i] based on linear OOA(4953, 4194301, F49, 10, 9) (dual of [(4194301, 10), 41942957, 10]-NRT-code), using
- OOA 2-folding and stacking with additional row [i] based on linear OOA(4953, large, F49, 2, 9), using
- generalized (u, u+v)-construction [i] based on
- linear OOA(497, 2882402, F49, 2, 3) (dual of [(2882402, 2), 5764797, 4]-NRT-code), using
- discarding factors / shortening the dual code based on linear OOA(497, 5769603, F49, 2, 3) (dual of [(5769603, 2), 11539199, 4]-NRT-code), using
- linear OOA(4913, 2882402, F49, 2, 4) (dual of [(2882402, 2), 5764791, 5]-NRT-code), using
- OOA 2-folding [i] based on linear OA(4913, 5764804, F49, 4) (dual of [5764804, 5764791, 5]-code), using
- discarding factors / shortening the dual code based on linear OA(4913, 5764805, F49, 4) (dual of [5764805, 5764792, 5]-code), using
- construction X applied to Ce(3) ⊂ Ce(2) [i] based on
- linear OA(4913, 5764801, F49, 4) (dual of [5764801, 5764788, 5]-code), using an extension Ce(3) of the primitive narrow-sense BCH-code C(I) with length 5764800 = 494−1, defining interval I = [1,3], and designed minimum distance d ≥ |I|+1 = 4 [i]
- linear OA(499, 5764801, F49, 3) (dual of [5764801, 5764792, 4]-code or 5764801-cap in PG(8,49)), using an extension Ce(2) of the primitive narrow-sense BCH-code C(I) with length 5764800 = 494−1, defining interval I = [1,2], and designed minimum distance d ≥ |I|+1 = 3 [i]
- linear OA(490, 4, F49, 0) (dual of [4, 4, 1]-code), using
- discarding factors / shortening the dual code based on linear OA(490, s, F49, 0) (dual of [s, s, 1]-code) with arbitrarily large s, using
- construction X applied to Ce(3) ⊂ Ce(2) [i] based on
- discarding factors / shortening the dual code based on linear OA(4913, 5764805, F49, 4) (dual of [5764805, 5764792, 5]-code), using
- OOA 2-folding [i] based on linear OA(4913, 5764804, F49, 4) (dual of [5764804, 5764791, 5]-code), using
- linear OOA(4933, 2882402, F49, 2, 9) (dual of [(2882402, 2), 5764771, 10]-NRT-code), using
- OOA 2-folding [i] based on linear OA(4933, 5764804, F49, 9) (dual of [5764804, 5764771, 10]-code), using
- discarding factors / shortening the dual code based on linear OA(4933, 5764805, F49, 9) (dual of [5764805, 5764772, 10]-code), using
- construction X applied to Ce(8) ⊂ Ce(7) [i] based on
- linear OA(4933, 5764801, F49, 9) (dual of [5764801, 5764768, 10]-code), using an extension Ce(8) of the primitive narrow-sense BCH-code C(I) with length 5764800 = 494−1, defining interval I = [1,8], and designed minimum distance d ≥ |I|+1 = 9 [i]
- linear OA(4929, 5764801, F49, 8) (dual of [5764801, 5764772, 9]-code), using an extension Ce(7) of the primitive narrow-sense BCH-code C(I) with length 5764800 = 494−1, defining interval I = [1,7], and designed minimum distance d ≥ |I|+1 = 8 [i]
- linear OA(490, 4, F49, 0) (dual of [4, 4, 1]-code) (see above)
- construction X applied to Ce(8) ⊂ Ce(7) [i] based on
- discarding factors / shortening the dual code based on linear OA(4933, 5764805, F49, 9) (dual of [5764805, 5764772, 10]-code), using
- OOA 2-folding [i] based on linear OA(4933, 5764804, F49, 9) (dual of [5764804, 5764771, 10]-code), using
- linear OOA(497, 2882402, F49, 2, 3) (dual of [(2882402, 2), 5764797, 4]-NRT-code), using
- generalized (u, u+v)-construction [i] based on
- OOA 2-folding and stacking with additional row [i] based on linear OOA(4953, large, F49, 2, 9), using
- net defined by OOA [i] based on linear OOA(4953, 4194301, F49, 10, 9) (dual of [(4194301, 10), 41942957, 10]-NRT-code), using
- trace code for nets [i] based on digital (44, 53, 4194301)-net over F49, using
- digital (0, 4, 8)-net over F7, using
- (u, u+v)-construction [i] based on
- 3 times m-reduction [i] based on digital (101, 110, large)-net over F7, using
(103, 103+4, large)-Net in Base 7 — Upper bound on s
There is no (103, 107, large)-net in base 7, because
- 2 times m-reduction [i] would yield (103, 105, large)-net in base 7, but