MinT - Best Known (127, 127+75, s)-Nets in Base 4

Best Known (127, 127+75, s)-Nets in Base 4

(127, 127+75, 144)-Net over F₄ — Constructive and digital

Digital (127, 202, 144)-net over F₄, using

(u,Â u+v)-construction [i] based on
1. digital (3, 40, 14)-net over F₄, using
  - net from sequence [i] based on digital (3, 13)-sequence over F₄, using
    - Niederreiterâ€“Xing sequence constructionÂ II/III [i] based on function field F/F₄ with g(F) = 3 and N(F) ≥ 14, using
      - an explicitly constructive algebraic function field [i]
2. digital (87, 162, 130)-net over F₄, using
  - trace code for nets [i] based on digital (6, 81, 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]

(127, 127+75, 152)-Net in Base 4 — Constructive

(127, 202, 152)-net in base 4, using

4² times duplication [i] based on (125, 200, 152)-net in base 4, using
- trace code for nets [i] based on (25, 100, 76)-net in base 16, using
  - base change [i] based on digital (5, 80, 76)-net over F₃₂, using
    - net from sequence [i] based on digital (5, 75)-sequence over F₃₂, using
      - Niederreiterâ€“Xing sequence constructionÂ II/III [i] based on function field F/F₃₂ with g(F) = 5 and N(F) ≥ 76, using
        a function field by SÃ©mirat [i]

(127, 127+75, 380)-Net over F₄ — Digital

Digital (127, 202, 380)-net over F₄, using

Gilbertâ€“VarÅ¡amov bound [i]

(127, 127+75, 9078)-Net in Base 4 — Upper bound on s

There is no (127, 202, 9079)-net in base 4, because

1 times m-reduction [i] would yield (127, 201, 9079)-net in base 4, but
- the generalized Rao bound for nets shows that 4^mÂ â‰¥ 10 367768 800976 814808 826331 429457 490093 440009 466718 841970 226331 417231 801184 597227 213794 731055 015747 774491 938884 177848 199670 > 4²⁰¹ [i]