MinT - Best Known (156−54, 156, s)-Nets in Base 4

Best Known (156−54, 156, s)-Nets in Base 4

(156−54, 156, 152)-Net over F₄ — Constructive and digital

Digital (102, 156, 152)-net over F₄, using

(u,Â u+v)-construction [i] based on
1. digital (9, 36, 22)-net over F₄, using
  - net from sequence [i] based on digital (9, 21)-sequence over F₄, using
    - Niederreiterâ€“Xing sequence constructionÂ II/III [i] based on function field F/F₄ with g(F) = 9 and N(F) ≥ 22, using
      - an explicitly constructive algebraic function field [i]
2. digital (66, 120, 130)-net over F₄, using
  - trace code for nets [i] based on digital (6, 60, 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]

(156−54, 156, 196)-Net in Base 4 — Constructive

(102, 156, 196)-net in base 4, using

2 times m-reduction [i] based on (102, 158, 196)-net in base 4, using
- trace code for nets [i] based on (23, 79, 98)-net in base 16, using
  - 1 times m-reduction [i] based on (23, 80, 98)-net in base 16, using
    - base change [i] based on digital (7, 64, 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]

(156−54, 156, 387)-Net over F₄ — Digital

Digital (102, 156, 387)-net over F₄, using

Gilbertâ€“VarÅ¡amov bound [i]

(156−54, 156, 10939)-Net in Base 4 — Upper bound on s

There is no (102, 156, 10940)-net in base 4, because

the generalized Rao bound for nets shows that 4^mÂ â‰¥ 8361 755448 261490 574382 653543 157653 340447 410790 148151 068567 998738 788902 037159 596580 227301 708125 > 4¹⁵⁶ [i]