Best Known (131−44, 131, s)-Nets in Base 9
(131−44, 131, 740)-Net over F9 — Constructive and digital
Digital (87, 131, 740)-net over F9, using
- 11 times m-reduction [i] based on digital (87, 142, 740)-net over F9, using
- trace code for nets [i] based on digital (16, 71, 370)-net over F81, using
- net from sequence [i] based on digital (16, 369)-sequence over F81, using
- Niederreiter–Xing sequence construction II/III [i] based on function field F/F81 with g(F) = 16 and N(F) ≥ 370, using
- net from sequence [i] based on digital (16, 369)-sequence over F81, using
- trace code for nets [i] based on digital (16, 71, 370)-net over F81, using
(131−44, 131, 1726)-Net over F9 — Digital
Digital (87, 131, 1726)-net over F9, using
- embedding of OOA with Gilbert–Varšamov bound [i] based on linear OA(9131, 1726, F9, 44) (dual of [1726, 1595, 45]-code), using
- 1594 step Varšamov–Edel lengthening with (ri) = (7, 2, 2, 2, 1, 1, 1, 1, 0, 1, 1, 0, 1, 1, 0, 1, 0, 1, 0, 1, 0, 0, 1, 0, 1, 0, 0, 1, 0, 0, 1, 0, 0, 1, 0, 0, 1, 0, 0, 0, 1, 0, 0, 0, 1, 0, 0, 0, 1, 0, 0, 0, 1, 4 times 0, 1, 4 times 0, 1, 4 times 0, 1, 4 times 0, 1, 5 times 0, 1, 6 times 0, 1, 5 times 0, 1, 6 times 0, 1, 7 times 0, 1, 7 times 0, 1, 7 times 0, 1, 8 times 0, 1, 9 times 0, 1, 9 times 0, 1, 9 times 0, 1, 10 times 0, 1, 11 times 0, 1, 11 times 0, 1, 13 times 0, 1, 13 times 0, 1, 13 times 0, 1, 15 times 0, 1, 15 times 0, 1, 17 times 0, 1, 17 times 0, 1, 18 times 0, 1, 19 times 0, 1, 21 times 0, 1, 22 times 0, 1, 23 times 0, 1, 24 times 0, 1, 25 times 0, 1, 27 times 0, 1, 29 times 0, 1, 30 times 0, 1, 32 times 0, 1, 33 times 0, 1, 36 times 0, 1, 37 times 0, 1, 40 times 0, 1, 42 times 0, 1, 44 times 0, 1, 46 times 0, 1, 49 times 0, 1, 51 times 0, 1, 55 times 0, 1, 57 times 0, 1, 61 times 0, 1, 63 times 0, 1, 68 times 0, 1, 70 times 0, 1, 75 times 0, 1, 79 times 0, 1, 83 times 0) [i] based on linear OA(944, 45, F9, 44) (dual of [45, 1, 45]-code or 45-arc in PG(43,9)), using
- dual of repetition code with length 45 [i]
- 1594 step Varšamov–Edel lengthening with (ri) = (7, 2, 2, 2, 1, 1, 1, 1, 0, 1, 1, 0, 1, 1, 0, 1, 0, 1, 0, 1, 0, 0, 1, 0, 1, 0, 0, 1, 0, 0, 1, 0, 0, 1, 0, 0, 1, 0, 0, 0, 1, 0, 0, 0, 1, 0, 0, 0, 1, 0, 0, 0, 1, 4 times 0, 1, 4 times 0, 1, 4 times 0, 1, 4 times 0, 1, 5 times 0, 1, 6 times 0, 1, 5 times 0, 1, 6 times 0, 1, 7 times 0, 1, 7 times 0, 1, 7 times 0, 1, 8 times 0, 1, 9 times 0, 1, 9 times 0, 1, 9 times 0, 1, 10 times 0, 1, 11 times 0, 1, 11 times 0, 1, 13 times 0, 1, 13 times 0, 1, 13 times 0, 1, 15 times 0, 1, 15 times 0, 1, 17 times 0, 1, 17 times 0, 1, 18 times 0, 1, 19 times 0, 1, 21 times 0, 1, 22 times 0, 1, 23 times 0, 1, 24 times 0, 1, 25 times 0, 1, 27 times 0, 1, 29 times 0, 1, 30 times 0, 1, 32 times 0, 1, 33 times 0, 1, 36 times 0, 1, 37 times 0, 1, 40 times 0, 1, 42 times 0, 1, 44 times 0, 1, 46 times 0, 1, 49 times 0, 1, 51 times 0, 1, 55 times 0, 1, 57 times 0, 1, 61 times 0, 1, 63 times 0, 1, 68 times 0, 1, 70 times 0, 1, 75 times 0, 1, 79 times 0, 1, 83 times 0) [i] based on linear OA(944, 45, F9, 44) (dual of [45, 1, 45]-code or 45-arc in PG(43,9)), using
(131−44, 131, 544293)-Net in Base 9 — Upper bound on s
There is no (87, 131, 544294)-net in base 9, because
- the generalized Rao bound for nets shows that 9m ≥ 101340 662275 908773 784113 781060 411023 512320 799675 056152 282447 443186 237967 451666 065689 846230 027652 991325 395189 272963 315522 798305 > 9131 [i]