MinT - Best Known (109−68, 109, s)-Nets in Base 4

Best Known (109−68, 109, s)-Nets in Base 4

(109−68, 109, 56)-Net over F₄ — Constructive and digital

Digital (41, 109, 56)-net over F₄, using

t-expansion [i] based on digital (33, 109, 56)-net over F₄, using
- net from sequence [i] based on digital (33, 55)-sequence over F₄, using
  - Niederreiterâ€“Xing sequence constructionÂ II/III [i] based on function field F/F₄ with g(F) = 33 and N(F) ≥ 56, using
    - F₅ from the tower of function fields by GarcÃa and Stichtenoth over F₄ [i]

(109−68, 109, 75)-Net over F₄ — Digital

Digital (41, 109, 75)-net over F₄, using

t-expansion [i] based on digital (40, 109, 75)-net over F₄, using
- net from sequence [i] based on digital (40, 74)-sequence over F₄, using
  - Niederreiterâ€“Xing sequence constructionÂ II/III [i] based on function field F/F₄ with g(F) = 40 and N(F) ≥ 75, using
    - Drinfeld modules of rank 1 [i]

(109−68, 109, 357)-Net in Base 4 — Upper bound on s

There is no (41, 109, 358)-net in base 4, because

the generalized Rao bound for nets shows that 4^mÂ â‰¥ 458175 441444 097952 660684 773732 623573 129208 684040 960435 594492 909182 > 4¹⁰⁹ [i]