MinT - Best Known (149−78, 149, s)-Nets in Base 4

Best Known (149−78, 149, s)-Nets in Base 4

(149−78, 149, 66)-Net over F₄ — Constructive and digital

Digital (71, 149, 66)-net over F₄, using

t-expansion [i] based on digital (49, 149, 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]

(149−78, 149, 105)-Net over F₄ — Digital

Digital (71, 149, 105)-net over F₄, using

t-expansion [i] based on digital (70, 149, 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]

(149−78, 149, 992)-Net in Base 4 — Upper bound on s

There is no (71, 149, 993)-net in base 4, because

the generalized Rao bound for nets shows that 4^mÂ â‰¥ 513031 829599 319946 325711 045995 167915 774950 479053 865633 145310 144392 493535 380415 649757 717440 > 4¹⁴⁹ [i]