MinT - Best Known (139−70, 139, s)-Nets in Base 4

Best Known (139−70, 139, s)-Nets in Base 4

(139−70, 139, 66)-Net over F₄ — Constructive and digital

Digital (69, 139, 66)-net over F₄, using

t-expansion [i] based on digital (49, 139, 66)-net over F₄, using
- net from sequence [i] based on digital (49, 65)-sequence over F₄, using
  - Niederreiterâ€“Xing sequence constructionÂ II/III [i] based on function field F/F₄ with g(F) = 49 and N(F) ≥ 66, using
    - T₆ from the second tower of function fields by GarcÃa and Stichtenoth over F₄ [i]

(139−70, 139, 103)-Net over F₄ — Digital

Digital (69, 139, 103)-net over F₄, using

Gilbertâ€“VarÅ¡amov bound [i]

(139−70, 139, 1112)-Net in Base 4 — Upper bound on s

There is no (69, 139, 1113)-net in base 4, because

the generalized Rao bound for nets shows that 4^mÂ â‰¥ 495742 182636 915624 192616 839627 597718 892751 557518 918489 418880 024011 796729 057030 290128 > 4¹³⁹ [i]