MinT - Best Known (28, 28+36, s)-Nets in Base 4

Best Known (28, 28+36, s)-Nets in Base 4

(28, 28+36, 35)-Net over F₄ — Constructive and digital

Digital (28, 64, 35)-net over F₄, using

(u,Â u+v)-construction [i] based on
1. digital (3, 21, 14)-net over F₄, using
  - net from sequence [i] based on digital (3, 13)-sequence over F₄, using
    - Niederreiterâ€“Xing sequence constructionÂ II/III [i] based on function field F/F₄ with g(F) = 3 and N(F) ≥ 14, using
      - an explicitly constructive algebraic function field [i]
2. digital (7, 43, 21)-net over F₄, using
  - net from sequence [i] based on digital (7, 20)-sequence over F₄, using
    - Niederreiterâ€“Xing sequence constructionÂ II/III [i] based on function field F/F₄ with g(F) = 7 and N(F) ≥ 21, using
      - an explicitly constructive algebraic function field [i]

(28, 28+36, 42)-Net in Base 4 — Constructive

(28, 64, 42)-net in base 4, using

t-expansion [i] based on (27, 64, 42)-net in base 4, using
- net from sequence [i] based on (27, 41)-sequence in base 4, using
  - base expansion [i] based on digital (54, 41)-sequence over F₂, using
    - Niederreiterâ€“Xing sequence constructionÂ II/III [i] based on function field F/F₂ with g(F) = 54 and N(F) ≥ 42, using
      - an explicitly constructive algebraic function field [i]

(28, 28+36, 55)-Net over F₄ — Digital

Digital (28, 64, 55)-net over F₄, using

t-expansion [i] based on digital (26, 64, 55)-net over F₄, using
- net from sequence [i] based on digital (26, 54)-sequence over F₄, using
  - Niederreiterâ€“Xing sequence constructionÂ II/III [i] based on function field F/F₄ with g(F) = 26 and N(F) ≥ 55, using
    - Drinfeld modules of rank 1 [i]

(28, 28+36, 333)-Net in Base 4 — Upper bound on s

There is no (28, 64, 334)-net in base 4, because

the generalized Rao bound for nets shows that 4^mÂ â‰¥ 343 835882 600772 261508 042544 544393 974296 > 4⁶⁴ [i]