Best Known (53, 82, s)-Nets in Base 9
(53, 82, 344)-Net over F9 — Constructive and digital
Digital (53, 82, 344)-net over F9, using
- 10 times m-reduction [i] based on digital (53, 92, 344)-net over F9, using
- trace code for nets [i] based on digital (7, 46, 172)-net over F81, using
- net from sequence [i] based on digital (7, 171)-sequence over F81, using
- Niederreiter–Xing sequence construction II/III [i] based on function field F/F81 with g(F) = 7 and N(F) ≥ 172, using
- net from sequence [i] based on digital (7, 171)-sequence over F81, using
- trace code for nets [i] based on digital (7, 46, 172)-net over F81, using
(53, 82, 895)-Net over F9 — Digital
Digital (53, 82, 895)-net over F9, using
- embedding of OOA with Gilbert–Varšamov bound [i] based on linear OA(982, 895, F9, 29) (dual of [895, 813, 30]-code), using
- 157 step Varšamov–Edel lengthening with (ri) = (2, 0, 0, 0, 1, 11 times 0, 1, 28 times 0, 1, 48 times 0, 1, 62 times 0) [i] based on linear OA(976, 732, F9, 29) (dual of [732, 656, 30]-code), using
- construction X applied to Ce(28) ⊂ Ce(27) [i] based on
- linear OA(976, 729, F9, 29) (dual of [729, 653, 30]-code), using an extension Ce(28) of the primitive narrow-sense BCH-code C(I) with length 728 = 93−1, defining interval I = [1,28], and designed minimum distance d ≥ |I|+1 = 29 [i]
- linear OA(973, 729, F9, 28) (dual of [729, 656, 29]-code), using an extension Ce(27) of the primitive narrow-sense BCH-code C(I) with length 728 = 93−1, defining interval I = [1,27], and designed minimum distance d ≥ |I|+1 = 28 [i]
- linear OA(90, 3, F9, 0) (dual of [3, 3, 1]-code), using
- discarding factors / shortening the dual code based on linear OA(90, s, F9, 0) (dual of [s, s, 1]-code) with arbitrarily large s, using
- construction X applied to Ce(28) ⊂ Ce(27) [i] based on
- 157 step Varšamov–Edel lengthening with (ri) = (2, 0, 0, 0, 1, 11 times 0, 1, 28 times 0, 1, 48 times 0, 1, 62 times 0) [i] based on linear OA(976, 732, F9, 29) (dual of [732, 656, 30]-code), using
(53, 82, 250800)-Net in Base 9 — Upper bound on s
There is no (53, 82, 250801)-net in base 9, because
- 1 times m-reduction [i] would yield (53, 81, 250801)-net in base 9, but
- the generalized Rao bound for nets shows that 9m ≥ 196635 151367 670371 496886 670871 183426 707524 922463 753754 049798 012580 175690 322481 > 981 [i]