MinT - Best Known (148−78, 148, s)-Nets in Base 4

Best Known (148−78, 148, s)-Nets in Base 4

(148−78, 148, 66)-Net over F₄ — Constructive and digital

Digital (70, 148, 66)-net over F₄, using

t-expansion [i] based on digital (49, 148, 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]

(148−78, 148, 105)-Net over F₄ — Digital

Digital (70, 148, 105)-net over F₄, using

net from sequence [i] based on digital (70, 104)-sequence over F₄, using
- Niederreiterâ€“Xing sequence constructionÂ II/III [i] based on function field F/F₄ with g(F) = 70 and N(F) ≥ 105, using
  - Drinfeld modules of rank 1 [i]

(148−78, 148, 957)-Net in Base 4 — Upper bound on s

There is no (70, 148, 958)-net in base 4, because

the generalized Rao bound for nets shows that 4^mÂ â‰¥ 132203 022195 670775 132894 787993 153550 693855 683990 845249 159966 421138 673686 800525 363167 164220 > 4¹⁴⁸ [i]