MinT - Best Known (31, 81, s)-Nets in Base 3

Best Known (31, 81, s)-Nets in Base 3

(31, 81, 37)-Net over F₃ — Constructive and digital

Digital (31, 81, 37)-net over F₃, using

t-expansion [i] based on digital (27, 81, 37)-net over F₃, using
- net from sequence [i] based on digital (27, 36)-sequence over F₃, using
  - Niederreiterâ€“Xing sequence constructionÂ III based on the algebraic function field F/F₃ with g(F)Â =Â 26, N(F)Â =Â 36, and 1 place with degree 2 [i] based on function field F/F₃ with g(F) = 26 and N(F) ≥ 36, using an explicitly constructive algebraic function field [i]

(31, 81, 42)-Net over F₃ — Digital

Digital (31, 81, 42)-net over F₃, using

t-expansion [i] based on digital (29, 81, 42)-net over F₃, using
- net from sequence [i] based on digital (29, 41)-sequence over F₃, using
  - Niederreiterâ€“Xing sequence constructionÂ II/III [i] based on function field F/F₃ with g(F) = 29 and N(F) ≥ 42, using
    - algebraic function fields over â„¤₃ by Niederreiter/Xing [i]

(31, 81, 126)-Net in Base 3 — Upper bound on s

There is no (31, 81, 127)-net in base 3, because

extracting embedded orthogonal array [i] would yield OA(3⁸¹, 127, S₃, 50), but
- the linear programming bound shows that MÂ â‰¥ 5 298495 360699 143400 851017 463794 435462 430841 716143 016814 949397 477824 916043 / 11181 941894 946610 416397 751274 583291 > 3⁸¹ [i]