MinT - Best Known (247−138, 247, s)-Nets in Base 3

Best Known (247−138, 247, s)-Nets in Base 3

(247−138, 247, 74)-Net over F₃ — Constructive and digital

Digital (109, 247, 74)-net over F₃, using

t-expansion [i] based on digital (107, 247, 74)-net over F₃, using
- net from sequence [i] based on digital (107, 73)-sequence over F₃, using
  - base reduction for sequences [i] based on digital (17, 73)-sequence over F₉, using
    - Niederreiterâ€“Xing sequence constructionÂ II/III [i] based on function field F/F₉ with g(F) = 17 and N(F) ≥ 74, using
      - a function field by GarcÃa and Quoos [i]

(247−138, 247, 104)-Net over F₃ — Digital

Digital (109, 247, 104)-net over F₃, using

t-expansion [i] based on digital (102, 247, 104)-net over F₃, using
- net from sequence [i] based on digital (102, 103)-sequence over F₃, using
  - Niederreiterâ€“Xing sequence constructionÂ II/III [i] based on function field F/F₃ with g(F) = 102 and N(F) ≥ 104, using
    - algebraic function fields over â„¤₃ by Niederreiter/Xing [i]

(247−138, 247, 611)-Net in Base 3 — Upper bound on s

There is no (109, 247, 612)-net in base 3, because

the generalized Rao bound for nets shows that 3^mÂ â‰¥ 7626 219411 762768 721441 124551 512128 926699 953820 882720 206782 941320 957168 029844 737764 652973 818433 812156 690940 501502 927017 > 3²⁴⁷ [i]