Best Known (55−20, 55, s)-Nets in Base 5
(55−20, 55, 132)-Net over F5 — Constructive and digital
Digital (35, 55, 132)-net over F5, using
- 7 times m-reduction [i] based on digital (35, 62, 132)-net over F5, using
- trace code for nets [i] based on digital (4, 31, 66)-net over F25, using
- net from sequence [i] based on digital (4, 65)-sequence over F25, using
- Niederreiter–Xing sequence construction II/III [i] based on function field F/F25 with g(F) = 4 and N(F) ≥ 66, using
- net from sequence [i] based on digital (4, 65)-sequence over F25, using
- trace code for nets [i] based on digital (4, 31, 66)-net over F25, using
(55−20, 55, 219)-Net over F5 — Digital
Digital (35, 55, 219)-net over F5, using
- embedding of OOA with Gilbert–Varšamov bound [i] based on linear OA(555, 219, F5, 20) (dual of [219, 164, 21]-code), using
- 163 step Varšamov–Edel lengthening with (ri) = (5, 2, 2, 1, 1, 1, 0, 1, 1, 0, 1, 0, 1, 0, 1, 0, 0, 1, 0, 0, 1, 0, 0, 0, 1, 0, 0, 1, 0, 0, 0, 1, 4 times 0, 1, 4 times 0, 1, 5 times 0, 1, 5 times 0, 1, 6 times 0, 1, 7 times 0, 1, 7 times 0, 1, 8 times 0, 1, 9 times 0, 1, 10 times 0, 1, 12 times 0, 1, 12 times 0, 1, 14 times 0, 1, 15 times 0) [i] based on linear OA(520, 21, F5, 20) (dual of [21, 1, 21]-code or 21-arc in PG(19,5)), using
- dual of repetition code with length 21 [i]
- 163 step Varšamov–Edel lengthening with (ri) = (5, 2, 2, 1, 1, 1, 0, 1, 1, 0, 1, 0, 1, 0, 1, 0, 0, 1, 0, 0, 1, 0, 0, 0, 1, 0, 0, 1, 0, 0, 0, 1, 4 times 0, 1, 4 times 0, 1, 5 times 0, 1, 5 times 0, 1, 6 times 0, 1, 7 times 0, 1, 7 times 0, 1, 8 times 0, 1, 9 times 0, 1, 10 times 0, 1, 12 times 0, 1, 12 times 0, 1, 14 times 0, 1, 15 times 0) [i] based on linear OA(520, 21, F5, 20) (dual of [21, 1, 21]-code or 21-arc in PG(19,5)), using
(55−20, 55, 7904)-Net in Base 5 — Upper bound on s
There is no (35, 55, 7905)-net in base 5, because
- the generalized Rao bound for nets shows that 5m ≥ 277 778357 115455 810261 265247 624557 569785 > 555 [i]