MinT - Best Known (157−7, 157, s)-Nets in Base 8

Best Known (157−7, 157, s)-Nets in Base 8

(157−7, 157, large)-Net over F₈ — Constructive and digital

Digital (150, 157, large)-net over F₈, using

t-expansion [i] based on digital (149, 157, large)-net over F₈, using
- 4 times m-reduction [i] based on digital (149, 161, 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 (78, 90, 2796200)-net over F₈, using
      - net defined by OOA [i] based on linear OOA(8⁹⁰, 2796200, F₈, 14, 12) (dual of [(2796200, 14), 39146710, 13]-NRT-code), using
        OOA 3-folding and stacking with additional row [i] based on linear OOA(8⁹⁰, 8388601, F₈, 2, 12) (dual of [(8388601, 2), 16777112, 13]-NRT-code), using
        discarding factors / shortening the dual code based on linear OOA(8⁹⁰, 8388602, F₈, 2, 12) (dual of [(8388602, 2), 16777114, 13]-NRT-code), using
        trace code [i] based on linear OOA(64⁴⁵, 4194301, F₆₄, 2, 12) (dual of [(4194301, 2), 8388557, 13]-NRT-code), using
        OOA 2-folding [i] based on linear OA(64⁴⁵, 8388602, F₆₄, 12) (dual of [8388602, 8388557, 13]-code), using
        discarding factors / shortening the dual code based on linear OA(64⁴⁵, large, F₆₄, 12) (dual of [large, large−45, 13]-code), using
        the primitive expurgated narrow-sense BCH-code C(I) with length 16777215Â = 64⁴âˆ’1, defining interval IÂ =Â [0,11], and designed minimum distance dÂ â‰¥Â |I|+1Â =Â 13 [i]

(157−7, 157, large)-Net in Base 8 — Upper bound on s

There is no (150, 157, large)-net in base 8, because

5 times m-reduction [i] would yield (150, 152, large)-net in base 8, but
- mutually orthogonal hypercube bound [i]

Best Known (157−7, 157, s)-Nets in Base 8

(157−7, 157, large)-Net over F8 — Constructive and digital

(157−7, 157, large)-Net in Base 8 — Upper bound on s

(157−7, 157, large)-Net over F₈ — Constructive and digital