Best Known (37−13, 37, s)-Nets in Base 7
(37−13, 37, 150)-Net over F7 — Constructive and digital
Digital (24, 37, 150)-net over F7, using
- (u, u+v)-construction [i] based on
- digital (5, 11, 50)-net over F7, using
- base reduction for projective spaces (embedding PG(5,49) in PG(10,7)) for nets [i] based on digital (0, 6, 50)-net over F49, using
- net from sequence [i] based on digital (0, 49)-sequence over F49, using
- generalized Faure sequence [i]
- Niederreiter–Xing sequence construction II/III [i] based on function field F/F49 with g(F) = 0 and N(F) ≥ 50, using
- the rational function field F49(x) [i]
- Niederreiter sequence [i]
- net from sequence [i] based on digital (0, 49)-sequence over F49, using
- base reduction for projective spaces (embedding PG(5,49) in PG(10,7)) for nets [i] based on digital (0, 6, 50)-net over F49, using
- digital (13, 26, 100)-net over F7, using
- trace code for nets [i] based on digital (0, 13, 50)-net over F49, using
- net from sequence [i] based on digital (0, 49)-sequence over F49 (see above)
- trace code for nets [i] based on digital (0, 13, 50)-net over F49, using
- digital (5, 11, 50)-net over F7, using
(37−13, 37, 380)-Net over F7 — Digital
Digital (24, 37, 380)-net over F7, using
- embedding of OOA with Gilbert–Varšamov bound [i] based on linear OA(737, 380, F7, 13) (dual of [380, 343, 14]-code), using
- 29 step Varšamov–Edel lengthening with (ri) = (2, 5 times 0, 1, 22 times 0) [i] based on linear OA(734, 348, F7, 13) (dual of [348, 314, 14]-code), using
- construction XX applied to C1 = C([341,10]), C2 = C([0,11]), C3 = C1 + C2 = C([0,10]), and C∩ = C1 ∩ C2 = C([341,11]) [i] based on
- linear OA(731, 342, F7, 12) (dual of [342, 311, 13]-code), using the primitive BCH-code C(I) with length 342 = 73−1, defining interval I = {−1,0,…,10}, and designed minimum distance d ≥ |I|+1 = 13 [i]
- linear OA(731, 342, F7, 12) (dual of [342, 311, 13]-code), using the primitive expurgated narrow-sense BCH-code C(I) with length 342 = 73−1, defining interval I = [0,11], and designed minimum distance d ≥ |I|+1 = 13 [i]
- linear OA(734, 342, F7, 13) (dual of [342, 308, 14]-code), using the primitive BCH-code C(I) with length 342 = 73−1, defining interval I = {−1,0,…,11}, and designed minimum distance d ≥ |I|+1 = 14 [i]
- linear OA(728, 342, F7, 11) (dual of [342, 314, 12]-code), using the primitive expurgated narrow-sense BCH-code C(I) with length 342 = 73−1, defining interval I = [0,10], and designed minimum distance d ≥ |I|+1 = 12 [i]
- linear OA(70, 3, F7, 0) (dual of [3, 3, 1]-code), using
- discarding factors / shortening the dual code based on linear OA(70, s, F7, 0) (dual of [s, s, 1]-code) with arbitrarily large s, using
- linear OA(70, 3, F7, 0) (dual of [3, 3, 1]-code) (see above)
- construction XX applied to C1 = C([341,10]), C2 = C([0,11]), C3 = C1 + C2 = C([0,10]), and C∩ = C1 ∩ C2 = C([341,11]) [i] based on
- 29 step Varšamov–Edel lengthening with (ri) = (2, 5 times 0, 1, 22 times 0) [i] based on linear OA(734, 348, F7, 13) (dual of [348, 314, 14]-code), using
(37−13, 37, 58699)-Net in Base 7 — Upper bound on s
There is no (24, 37, 58700)-net in base 7, because
- 1 times m-reduction [i] would yield (24, 36, 58700)-net in base 7, but
- the generalized Rao bound for nets shows that 7m ≥ 2 651911 183635 932796 288549 252841 > 736 [i]