MinT - Best Known (19, 19+42, s)-Nets in Base 128

Best Known (19, 19+42, s)-Nets in Base 128

(19, 19+42, 288)-Net over F₁₂₈ — Constructive and digital

Digital (19, 61, 288)-net over F₁₂₈, using

t-expansion [i] based on digital (9, 61, 288)-net over F₁₂₈, using
- net from sequence [i] based on digital (9, 287)-sequence over F₁₂₈, using
  - Niederreiterâ€“Xing sequence constructionÂ II/III [i] based on function field F/F₁₂₈ with g(F) = 9 and N(F) ≥ 288, using
    - a function field by SÃ©mirat [i]

(19, 19+42, 386)-Net over F₁₂₈ — Digital

Digital (19, 61, 386)-net over F₁₂₈, using

t-expansion [i] based on digital (15, 61, 386)-net over F₁₂₈, using
- net from sequence [i] based on digital (15, 385)-sequence over F₁₂₈, using
  - Niederreiterâ€“Xing sequence constructionÂ II/III [i] based on function field F/F₁₂₈ with g(F) = 15 and N(F) ≥ 386, using
    - a curve from the manYPoints database [i]

(19, 19+42, 513)-Net in Base 128

(19, 61, 513)-net in base 128, using

t-expansion [i] based on (17, 61, 513)-net in base 128, using
- 11 times m-reduction [i] based on (17, 72, 513)-net in base 128, using
  - base change [i] based on digital (8, 63, 513)-net over F₂₅₆, using
    - net from sequence [i] based on digital (8, 512)-sequence over F₂₅₆, using
      - Niederreiterâ€“Xing sequence constructionÂ II/III [i] based on function field F/F₂₅₆ with g(F) = 8 and N(F) ≥ 513, using
        K_1,1 from the tower of function fields by Niederreiter and Xing based on the tower by GarcÃa and Stichtenoth over F₂₅₆ [i]

(19, 19+42, 90278)-Net in Base 128 — Upper bound on s

There is no (19, 61, 90279)-net in base 128, because

the generalized Rao bound for nets shows that 128^mÂ â‰¥ 346 643141 350964 392439 456119 198379 532109 438083 780381 523735 769681 150230 716860 365450 969658 147696 736828 129787 335862 894042 134223 088924 > 128⁶¹ [i]