MinT - Best Known (140−48, 140, s)-Nets in Base 4

Best Known (140−48, 140, s)-Nets in Base 4

(140−48, 140, 151)-Net over F₄ — Constructive and digital

Digital (92, 140, 151)-net over F₄, using

1 times m-reduction [i] based on digital (92, 141, 151)-net over F₄, using
- (u,Â u+v)-construction [i] based on
  1. digital (7, 31, 21)-net over F₄, using
    - net from sequence [i] based on digital (7, 20)-sequence over F₄, using
      - Niederreiterâ€“Xing sequence constructionÂ II/III [i] based on function field F/F₄ with g(F) = 7 and N(F) ≥ 21, using
        an explicitly constructive algebraic function field [i]
  2. digital (61, 110, 130)-net over F₄, using
    - trace code for nets [i] based on digital (6, 55, 65)-net over F₁₆, using
      - net from sequence [i] based on digital (6, 64)-sequence over F₁₆, using
        Niederreiterâ€“Xing sequence constructionÂ II/III [i] based on function field F/F₁₆ with g(F) = 6 and N(F) ≥ 65, using
        the Hermitian function field over F₁₆ [i]

(140−48, 140, 196)-Net in Base 4 — Constructive

(92, 140, 196)-net in base 4, using

t-expansion [i] based on (91, 140, 196)-net in base 4, using
- trace code for nets [i] based on (21, 70, 98)-net in base 16, using
  - base change [i] based on digital (7, 56, 98)-net over F₃₂, using
    - net from sequence [i] based on digital (7, 97)-sequence over F₃₂, using
      - Niederreiterâ€“Xing sequence constructionÂ II/III [i] based on function field F/F₃₂ with g(F) = 7 and N(F) ≥ 98, using
        a function field by SÃ©mirat [i]

(140−48, 140, 366)-Net over F₄ — Digital

Digital (92, 140, 366)-net over F₄, using

Gilbertâ€“VarÅ¡amov bound [i]

(140−48, 140, 10603)-Net in Base 4 — Upper bound on s

There is no (92, 140, 10604)-net in base 4, because

the generalized Rao bound for nets shows that 4^mÂ â‰¥ 1 943631 138162 342768 853248 976121 415716 121396 110992 529119 588355 814386 537752 056493 797934 > 4¹⁴⁰ [i]