MinT - Best Known (131−92, 131, s)-Nets in Base 4

Best Known (131−92, 131, s)-Nets in Base 4

(131−92, 131, 56)-Net over F₄ — Constructive and digital

Digital (39, 131, 56)-net over F₄, using

t-expansion [i] based on digital (33, 131, 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]

(131−92, 131, 66)-Net over F₄ — Digital

Digital (39, 131, 66)-net over F₄, using

t-expansion [i] based on digital (37, 131, 66)-net over F₄, using
- net from sequence [i] based on digital (37, 65)-sequence over F₄, using
  - Niederreiterâ€“Xing sequence constructionÂ II/III [i] based on function field F/F₄ with g(F) = 37 and N(F) ≥ 66, using
    - Drinfeld modules of rank 1 [i]

(131−92, 131, 274)-Net in Base 4 — Upper bound on s

There is no (39, 131, 275)-net in base 4, because

the generalized Rao bound for nets shows that 4^mÂ â‰¥ 7 678826 099322 786211 775259 594616 355747 430897 042929 554137 046091 872905 427057 072864 > 4¹³¹ [i]