Best Known (90−43, 90, s)-Nets in Base 32
(90−43, 90, 240)-Net over F32 — Constructive and digital
Digital (47, 90, 240)-net over F32, using
- 7 times m-reduction [i] based on digital (47, 97, 240)-net over F32, using
- (u, u+v)-construction [i] based on
- digital (11, 36, 120)-net over F32, using
- net from sequence [i] based on digital (11, 119)-sequence over F32, using
- Niederreiter–Xing sequence construction II/III [i] based on function field F/F32 with g(F) = 11 and N(F) ≥ 120, using
- net from sequence [i] based on digital (11, 119)-sequence over F32, using
- digital (11, 61, 120)-net over F32, using
- net from sequence [i] based on digital (11, 119)-sequence over F32 (see above)
- digital (11, 36, 120)-net over F32, using
- (u, u+v)-construction [i] based on
(90−43, 90, 513)-Net in Base 32 — Constructive
(47, 90, 513)-net in base 32, using
- t-expansion [i] based on (46, 90, 513)-net in base 32, using
- 18 times m-reduction [i] based on (46, 108, 513)-net in base 32, using
- base change [i] based on digital (28, 90, 513)-net over F64, using
- net from sequence [i] based on digital (28, 512)-sequence over F64, using
- Niederreiter–Xing sequence construction II/III [i] based on function field F/F64 with g(F) = 28 and N(F) ≥ 513, using
- the Hermitian function field over F64 [i]
- Niederreiter–Xing sequence construction II/III [i] based on function field F/F64 with g(F) = 28 and N(F) ≥ 513, using
- net from sequence [i] based on digital (28, 512)-sequence over F64, using
- base change [i] based on digital (28, 90, 513)-net over F64, using
- 18 times m-reduction [i] based on (46, 108, 513)-net in base 32, using
(90−43, 90, 944)-Net over F32 — Digital
Digital (47, 90, 944)-net over F32, using
- embedding of OOA with Gilbert–Varšamov bound [i] based on linear OA(3290, 944, F32, 43) (dual of [944, 854, 44]-code), using
- discarding factors / shortening the dual code based on linear OA(3290, 1042, F32, 43) (dual of [1042, 952, 44]-code), using
- construction X applied to C([0,21]) ⊂ C([0,18]) [i] based on
- linear OA(3285, 1025, F32, 43) (dual of [1025, 940, 44]-code), using the expurgated narrow-sense BCH-code C(I) with length 1025 | 324−1, defining interval I = [0,21], and minimum distance d ≥ |{−21,−20,…,21}|+1 = 44 (BCH-bound) [i]
- linear OA(3273, 1025, F32, 37) (dual of [1025, 952, 38]-code), using the expurgated narrow-sense BCH-code C(I) with length 1025 | 324−1, defining interval I = [0,18], and minimum distance d ≥ |{−18,−17,…,18}|+1 = 38 (BCH-bound) [i]
- linear OA(325, 17, F32, 5) (dual of [17, 12, 6]-code or 17-arc in PG(4,32)), using
- discarding factors / shortening the dual code based on linear OA(325, 32, F32, 5) (dual of [32, 27, 6]-code or 32-arc in PG(4,32)), using
- Reed–Solomon code RS(27,32) [i]
- discarding factors / shortening the dual code based on linear OA(325, 32, F32, 5) (dual of [32, 27, 6]-code or 32-arc in PG(4,32)), using
- construction X applied to C([0,21]) ⊂ C([0,18]) [i] based on
- discarding factors / shortening the dual code based on linear OA(3290, 1042, F32, 43) (dual of [1042, 952, 44]-code), using
(90−43, 90, 670027)-Net in Base 32 — Upper bound on s
There is no (47, 90, 670028)-net in base 32, because
- 1 times m-reduction [i] would yield (47, 89, 670028)-net in base 32, but
- the generalized Rao bound for nets shows that 32m ≥ 90 855031 913291 640173 234780 920312 012819 379656 869035 501807 142054 121184 472023 286515 822932 659833 339287 364103 304036 865455 897287 881441 196504 > 3289 [i]