MinT - Best Known (169−12, 169, s)-Nets in Base 8

Best Known (169−12, 169, s)-Nets in Base 8

(169−12, 169, large)-Net over F₈ — Constructive and digital

Digital (157, 169, large)-net over F₈, using

t-expansion [i] based on digital (156, 169, large)-net over F₈, using
- generalized (u,Â u+v)-construction [i] based on
  1. digital (0, 2, 9)-net over F₈, using
    - kÂ =Â 2 construction [i]
  2. digital (0, 3, 9)-net over F₈, using
    - net from sequence [i] based on digital (0, 8)-sequence over F₈, using
      - generalized Faure sequence [i]
      - Niederreiterâ€“Xing sequence constructionÂ II/III [i] based on function field F/F₈ with g(F) = 0 and N(F) ≥ 9, using
        the rational function field F₈(x) [i]
      - Niederreiter sequence [i]
  3. digital (21, 25, 2796200)-net over F₈, using
    - s-reduction based on digital (21, 25, 4194301)-net over F₈, using
      - net defined by OOA [i] based on linear OOA(8²⁵, 4194301, F₈, 4, 4) (dual of [(4194301, 4), 16777179, 5]-NRT-code), using
        appending kth column [i] based on linear OOA(8²⁵, 4194301, F₈, 3, 4) (dual of [(4194301, 3), 12582878, 5]-NRT-code), using
        OA 2-folding and stacking [i] based on linear OA(8²⁵, 8388602, F₈, 4) (dual of [8388602, 8388577, 5]-code), using
        discarding factors / shortening the dual code based on linear OA(8²⁵, large, F₈, 4) (dual of [large, large−25, 5]-code), using
        the primitive expurgated narrow-sense BCH-code C(I) with length 16777215Â = 8⁸âˆ’1, defining interval IÂ =Â [0,3], and designed minimum distance dÂ â‰¥Â |I|+1Â =Â 5 [i]
  4. digital (35, 41, 2796200)-net over F₈, using
    - s-reduction based on digital (35, 41, 2796201)-net over F₈, using
      - net defined by OOA [i] based on linear OOA(8⁴¹, 2796201, F₈, 6, 6) (dual of [(2796201, 6), 16777165, 7]-NRT-code), using
        OA 3-folding and stacking [i] based on linear OA(8⁴¹, large, F₈, 6) (dual of [large, large−41, 7]-code), using
        the primitive expurgated narrow-sense BCH-code C(I) with length 16777215Â = 8⁸âˆ’1, defining interval IÂ =Â [0,5], and designed minimum distance dÂ â‰¥Â |I|+1Â =Â 7 [i]
  5. digital (85, 98, 2796200)-net over F₈, using
    - net defined by OOA [i] based on linear OOA(8⁹⁸, 2796200, F₈, 14, 13) (dual of [(2796200, 14), 39146702, 14]-NRT-code), using
      - OOA 3-folding and stacking with additional row [i] based on linear OOA(8⁹⁸, 8388601, F₈, 2, 13) (dual of [(8388601, 2), 16777104, 14]-NRT-code), using
        discarding factors / shortening the dual code based on linear OOA(8⁹⁸, 8388602, F₈, 2, 13) (dual of [(8388602, 2), 16777106, 14]-NRT-code), using
        trace code [i] based on linear OOA(64⁴⁹, 4194301, F₆₄, 2, 13) (dual of [(4194301, 2), 8388553, 14]-NRT-code), using
        OOA 2-folding [i] based on linear OA(64⁴⁹, 8388602, F₆₄, 13) (dual of [8388602, 8388553, 14]-code), using
        discarding factors / shortening the dual code based on linear OA(64⁴⁹, large, F₆₄, 13) (dual of [large, large−49, 14]-code), using
        the expurgated narrow-sense BCH-code C(I) with length 16777217Â | 64⁸âˆ’1, defining interval IÂ =Â [0,6], and minimum distance dÂ â‰¥ |{−6,−5,…,6}|+1Â =Â 14 (BCH-bound) [i]

(169−12, 169, large)-Net in Base 8 — Upper bound on s

There is no (157, 169, large)-net in base 8, because

10 times m-reduction [i] would yield (157, 159, large)-net in base 8, but
- mutually orthogonal hypercube bound [i]

Best Known (169−12, 169, s)-Nets in Base 8

(169−12, 169, large)-Net over F8 — Constructive and digital

(169−12, 169, large)-Net in Base 8 — Upper bound on s

(169−12, 169, large)-Net over F₈ — Constructive and digital