MinT - Best Known (93, 93+52, s)-Nets in Base 4

Best Known (93, 93+52, s)-Nets in Base 4

(93, 93+52, 144)-Net over F₄ — Constructive and digital

Digital (93, 145, 144)-net over F₄, using

(u,Â u+v)-construction [i] based on
1. digital (3, 29, 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 (64, 116, 130)-net over F₄, using
  - trace code for nets [i] based on digital (6, 58, 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]

(93, 93+52, 152)-Net in Base 4 — Constructive

(93, 145, 152)-net in base 4, using

1 times m-reduction [i] based on (93, 146, 152)-net in base 4, using
- trace code for nets [i] based on (20, 73, 76)-net in base 16, using
  - 2 times m-reduction [i] based on (20, 75, 76)-net in base 16, using
    - base change [i] based on digital (5, 60, 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]

(93, 93+52, 322)-Net over F₄ — Digital

Digital (93, 145, 322)-net over F₄, using

Gilbertâ€“VarÅ¡amov bound [i]

(93, 93+52, 7992)-Net in Base 4 — Upper bound on s

There is no (93, 145, 7993)-net in base 4, because

the generalized Rao bound for nets shows that 4^mÂ â‰¥ 1994 439738 026423 116470 931024 448392 921358 362790 257026 268796 883278 849541 254764 635324 599680 > 4¹⁴⁵ [i]