Best Known (68−37, 68, s)-Nets in Base 4
(68−37, 68, 41)-Net over F4 — Constructive and digital
Digital (31, 68, 41)-net over F4, using
- (u, u+v)-construction [i] based on
- digital (3, 21, 14)-net over F4, using
- net from sequence [i] based on digital (3, 13)-sequence over F4, using
- Niederreiter–Xing sequence construction II/III [i] based on function field F/F4 with g(F) = 3 and N(F) ≥ 14, using
- net from sequence [i] based on digital (3, 13)-sequence over F4, using
- digital (10, 47, 27)-net over F4, using
- net from sequence [i] based on digital (10, 26)-sequence over F4, using
- Niederreiter–Xing sequence construction II/III [i] based on function field F/F4 with g(F) = 10 and N(F) ≥ 27, using
- net from sequence [i] based on digital (10, 26)-sequence over F4, using
- digital (3, 21, 14)-net over F4, using
(68−37, 68, 43)-Net in Base 4 — Constructive
(31, 68, 43)-net in base 4, using
- t-expansion [i] based on (30, 68, 43)-net in base 4, using
- net from sequence [i] based on (30, 42)-sequence in base 4, using
- base expansion [i] based on digital (60, 42)-sequence over F2, using
- t-expansion [i] based on digital (59, 42)-sequence over F2, using
- Niederreiter–Xing sequence construction III based on the algebraic function field F/F2 with g(F) = 54, N(F) = 42, and 1 place with degree 6 [i] based on function field F/F2 with g(F) = 54 and N(F) ≥ 42, using an explicitly constructive algebraic function field [i]
- t-expansion [i] based on digital (59, 42)-sequence over F2, using
- base expansion [i] based on digital (60, 42)-sequence over F2, using
- net from sequence [i] based on (30, 42)-sequence in base 4, using
(68−37, 68, 60)-Net over F4 — Digital
Digital (31, 68, 60)-net over F4, using
- net from sequence [i] based on digital (31, 59)-sequence over F4, using
- Niederreiter–Xing sequence construction II/III [i] based on function field F/F4 with g(F) = 31 and N(F) ≥ 60, using
(68−37, 68, 424)-Net in Base 4 — Upper bound on s
There is no (31, 68, 425)-net in base 4, because
- 1 times m-reduction [i] would yield (31, 67, 425)-net in base 4, but
- the generalized Rao bound for nets shows that 4m ≥ 22483 131241 189049 358091 742416 208617 277416 > 467 [i]