MinT - Best Known (75−12, 75, s)-Nets in Base 81

Best Known (75−12, 75, s)-Nets in Base 81

(75−12, 75, 2802860)-Net over F₈₁ — Constructive and digital

Digital (63, 75, 2802860)-net over F₈₁, using

generalized (u,Â u+v)-construction [i] based on
1. digital (5, 9, 6660)-net over F₈₁, using
  - net defined by OOA [i] based on linear OOA(81⁹, 6660, F₈₁, 4, 4) (dual of [(6660, 4), 26631, 5]-NRT-code), using
    - appending kth column [i] based on linear OOA(81⁹, 6660, F₈₁, 3, 4) (dual of [(6660, 3), 19971, 5]-NRT-code), using
      - generalized (u,Â u+v)-construction [i] based on
        linear OOA(81⁰, 82, F₈₁, 3, 0) (dual of [(82, 3), 246, 1]-NRT-code), using
        discarding factors / shortening the dual code based on linear OOA(81⁰, s, F₈₁, 3, 0) with arbitrarily large s, using
        OOA with only one run / dual of NRT-code without redundancy [i]
        linear OOA(81⁰, 82, F₈₁, 3, 0) (dual of [(82, 3), 246, 1]-NRT-code) (see above)
        linear OOA(81⁰, 82, F₈₁, 3, 0) (dual of [(82, 3), 246, 1]-NRT-code) (see above)
        linear OOA(81⁰, 82, F₈₁, 3, 0) (dual of [(82, 3), 246, 1]-NRT-code) (see above)
        linear OOA(81⁰, 82, F₈₁, 3, 0) (dual of [(82, 3), 246, 1]-NRT-code) (see above)
        linear OOA(81⁰, 82, F₈₁, 3, 0) (dual of [(82, 3), 246, 1]-NRT-code) (see above)
        linear OOA(81⁰, 82, F₈₁, 3, 0) (dual of [(82, 3), 246, 1]-NRT-code) (see above)
        linear OOA(81⁰, 82, F₈₁, 3, 0) (dual of [(82, 3), 246, 1]-NRT-code) (see above)
        linear OOA(81⁰, 82, F₈₁, 3, 0) (dual of [(82, 3), 246, 1]-NRT-code) (see above)
        linear OOA(81⁰, 82, F₈₁, 3, 0) (dual of [(82, 3), 246, 1]-NRT-code) (see above)
        linear OOA(81⁰, 82, F₈₁, 3, 0) (dual of [(82, 3), 246, 1]-NRT-code) (see above)
        linear OOA(81⁰, 82, F₈₁, 3, 0) (dual of [(82, 3), 246, 1]-NRT-code) (see above)
        linear OOA(81⁰, 82, F₈₁, 3, 0) (dual of [(82, 3), 246, 1]-NRT-code) (see above)
        linear OOA(81⁰, 82, F₈₁, 3, 0) (dual of [(82, 3), 246, 1]-NRT-code) (see above)
        linear OOA(81⁰, 82, F₈₁, 3, 0) (dual of [(82, 3), 246, 1]-NRT-code) (see above)
        linear OOA(81⁰, 82, F₈₁, 3, 0) (dual of [(82, 3), 246, 1]-NRT-code) (see above)
        linear OOA(81⁰, 82, F₈₁, 3, 0) (dual of [(82, 3), 246, 1]-NRT-code) (see above)
        linear OOA(81⁰, 82, F₈₁, 3, 0) (dual of [(82, 3), 246, 1]-NRT-code) (see above)
        linear OOA(81⁰, 82, F₈₁, 3, 0) (dual of [(82, 3), 246, 1]-NRT-code) (see above)
        linear OOA(81⁰, 82, F₈₁, 3, 0) (dual of [(82, 3), 246, 1]-NRT-code) (see above)
        linear OOA(81⁰, 82, F₈₁, 3, 0) (dual of [(82, 3), 246, 1]-NRT-code) (see above)
        linear OOA(81⁰, 82, F₈₁, 3, 0) (dual of [(82, 3), 246, 1]-NRT-code) (see above)
        linear OOA(81⁰, 82, F₈₁, 3, 0) (dual of [(82, 3), 246, 1]-NRT-code) (see above)
        linear OOA(81⁰, 82, F₈₁, 3, 0) (dual of [(82, 3), 246, 1]-NRT-code) (see above)
        linear OOA(81⁰, 82, F₈₁, 3, 0) (dual of [(82, 3), 246, 1]-NRT-code) (see above)
        linear OOA(81⁰, 82, F₈₁, 3, 0) (dual of [(82, 3), 246, 1]-NRT-code) (see above)
        linear OOA(81⁰, 82, F₈₁, 3, 0) (dual of [(82, 3), 246, 1]-NRT-code) (see above)
        linear OOA(81⁰, 82, F₈₁, 3, 0) (dual of [(82, 3), 246, 1]-NRT-code) (see above)
        linear OOA(81⁰, 82, F₈₁, 3, 0) (dual of [(82, 3), 246, 1]-NRT-code) (see above)
        linear OOA(81⁰, 82, F₈₁, 3, 0) (dual of [(82, 3), 246, 1]-NRT-code) (see above)
        linear OOA(81⁰, 82, F₈₁, 3, 0) (dual of [(82, 3), 246, 1]-NRT-code) (see above)
        linear OOA(81⁰, 82, F₈₁, 3, 0) (dual of [(82, 3), 246, 1]-NRT-code) (see above)
        linear OOA(81⁰, 82, F₈₁, 3, 0) (dual of [(82, 3), 246, 1]-NRT-code) (see above)
        linear OOA(81⁰, 82, F₈₁, 3, 0) (dual of [(82, 3), 246, 1]-NRT-code) (see above)
        linear OOA(81⁰, 82, F₈₁, 3, 0) (dual of [(82, 3), 246, 1]-NRT-code) (see above)
        linear OOA(81⁰, 82, F₈₁, 3, 0) (dual of [(82, 3), 246, 1]-NRT-code) (see above)
        linear OOA(81⁰, 82, F₈₁, 3, 0) (dual of [(82, 3), 246, 1]-NRT-code) (see above)
        linear OOA(81⁰, 82, F₈₁, 3, 0) (dual of [(82, 3), 246, 1]-NRT-code) (see above)
        linear OOA(81⁰, 82, F₈₁, 3, 0) (dual of [(82, 3), 246, 1]-NRT-code) (see above)
        linear OOA(81⁰, 82, F₈₁, 3, 0) (dual of [(82, 3), 246, 1]-NRT-code) (see above)
        linear OOA(81⁰, 82, F₈₁, 3, 0) (dual of [(82, 3), 246, 1]-NRT-code) (see above)
        linear OOA(81⁰, 82, F₈₁, 3, 0) (dual of [(82, 3), 246, 1]-NRT-code) (see above)
        linear OOA(81⁰, 82, F₈₁, 3, 0) (dual of [(82, 3), 246, 1]-NRT-code) (see above)
        linear OOA(81⁰, 82, F₈₁, 3, 0) (dual of [(82, 3), 246, 1]-NRT-code) (see above)
        linear OOA(81⁰, 82, F₈₁, 3, 0) (dual of [(82, 3), 246, 1]-NRT-code) (see above)
        linear OOA(81⁰, 82, F₈₁, 3, 0) (dual of [(82, 3), 246, 1]-NRT-code) (see above)
        linear OOA(81⁰, 82, F₈₁, 3, 0) (dual of [(82, 3), 246, 1]-NRT-code) (see above)
        linear OOA(81⁰, 82, F₈₁, 3, 0) (dual of [(82, 3), 246, 1]-NRT-code) (see above)
        linear OOA(81⁰, 82, F₈₁, 3, 0) (dual of [(82, 3), 246, 1]-NRT-code) (see above)
        linear OOA(81⁰, 82, F₈₁, 3, 0) (dual of [(82, 3), 246, 1]-NRT-code) (see above)
        linear OOA(81⁰, 82, F₈₁, 3, 0) (dual of [(82, 3), 246, 1]-NRT-code) (see above)
        linear OOA(81⁰, 82, F₈₁, 3, 0) (dual of [(82, 3), 246, 1]-NRT-code) (see above)
        linear OOA(81⁰, 82, F₈₁, 3, 0) (dual of [(82, 3), 246, 1]-NRT-code) (see above)
        linear OOA(81⁰, 82, F₈₁, 3, 0) (dual of [(82, 3), 246, 1]-NRT-code) (see above)
        linear OOA(81⁰, 82, F₈₁, 3, 0) (dual of [(82, 3), 246, 1]-NRT-code) (see above)
        linear OOA(81⁰, 82, F₈₁, 3, 0) (dual of [(82, 3), 246, 1]-NRT-code) (see above)
        linear OOA(81⁰, 82, F₈₁, 3, 0) (dual of [(82, 3), 246, 1]-NRT-code) (see above)
        linear OOA(81⁰, 82, F₈₁, 3, 0) (dual of [(82, 3), 246, 1]-NRT-code) (see above)
        linear OOA(81⁰, 82, F₈₁, 3, 0) (dual of [(82, 3), 246, 1]-NRT-code) (see above)
        linear OOA(81⁰, 82, F₈₁, 3, 0) (dual of [(82, 3), 246, 1]-NRT-code) (see above)
        linear OOA(81⁰, 82, F₈₁, 3, 0) (dual of [(82, 3), 246, 1]-NRT-code) (see above)
        linear OOA(81⁰, 82, F₈₁, 3, 0) (dual of [(82, 3), 246, 1]-NRT-code) (see above)
        linear OOA(81⁰, 82, F₈₁, 3, 0) (dual of [(82, 3), 246, 1]-NRT-code) (see above)
        linear OOA(81⁰, 82, F₈₁, 3, 0) (dual of [(82, 3), 246, 1]-NRT-code) (see above)
        linear OOA(81⁰, 82, F₈₁, 3, 0) (dual of [(82, 3), 246, 1]-NRT-code) (see above)
        linear OOA(81⁰, 82, F₈₁, 3, 0) (dual of [(82, 3), 246, 1]-NRT-code) (see above)
        linear OOA(81⁰, 82, F₈₁, 3, 0) (dual of [(82, 3), 246, 1]-NRT-code) (see above)
        linear OOA(81⁰, 82, F₈₁, 3, 0) (dual of [(82, 3), 246, 1]-NRT-code) (see above)
        linear OOA(81⁰, 82, F₈₁, 3, 0) (dual of [(82, 3), 246, 1]-NRT-code) (see above)
        linear OOA(81⁰, 82, F₈₁, 3, 0) (dual of [(82, 3), 246, 1]-NRT-code) (see above)
        linear OOA(81⁰, 82, F₈₁, 3, 0) (dual of [(82, 3), 246, 1]-NRT-code) (see above)
        linear OOA(81⁰, 82, F₈₁, 3, 0) (dual of [(82, 3), 246, 1]-NRT-code) (see above)
        linear OOA(81⁰, 82, F₈₁, 3, 0) (dual of [(82, 3), 246, 1]-NRT-code) (see above)
        linear OOA(81⁰, 82, F₈₁, 3, 0) (dual of [(82, 3), 246, 1]-NRT-code) (see above)
        linear OOA(81⁰, 82, F₈₁, 3, 0) (dual of [(82, 3), 246, 1]-NRT-code) (see above)
        linear OOA(81⁰, 82, F₈₁, 3, 0) (dual of [(82, 3), 246, 1]-NRT-code) (see above)
        linear OOA(81⁰, 82, F₈₁, 3, 0) (dual of [(82, 3), 246, 1]-NRT-code) (see above)
        linear OOA(81¹, 82, F₈₁, 3, 1) (dual of [(82, 3), 245, 2]-NRT-code), using
        discarding factors / shortening the dual code based on linear OOA(81¹, s, F₈₁, 3, 1) with arbitrarily large s, using
        appending 2 arbitrary columns [i] based on linear OA(81¹, s, F₈₁, 1) (dual of [s, s−1, 2]-code) with arbitrarily large s, using
        parity-check code [i]
        linear OOA(81¹, 82, F₈₁, 3, 1) (dual of [(82, 3), 245, 2]-NRT-code) (see above)
        linear OOA(81², 82, F₈₁, 3, 2) (dual of [(82, 3), 244, 3]-NRT-code), using
        extended Reedâ€“Solomon NRT-code RS_e(3;244,81) [i]
        linear OOA(81⁵, 100, F₈₁, 3, 4) (dual of [(100, 3), 295, 5]-NRT-code), using
        extended algebraic-geometric NRT-code AG_e(3;F,295P) [i] based on function field F/F₈₁ with g(F) = 1 and N(F) ≥ 100, using
        a function field by SÃ©mirat [i]
2. digital (15, 21, 1398100)-net over F₈₁, using
  - s-reduction based on digital (15, 21, 2796201)-net over F₈₁, using
    - net defined by OOA [i] based on linear OOA(81²¹, 2796201, F₈₁, 6, 6) (dual of [(2796201, 6), 16777185, 7]-NRT-code), using
      - OA 3-folding and stacking [i] based on linear OA(81²¹, large, F₈₁, 6) (dual of [large, large−21, 7]-code), using
        the expurgated narrow-sense BCH-code C(I) with length 21523360Â | 81⁴âˆ’1, defining interval IÂ =Â [0,5], and designed minimum distance dÂ â‰¥Â |I|+1Â =Â 7 [i]
3. digital (33, 45, 1398100)-net over F₈₁, using
  - net defined by OOA [i] based on linear OOA(81⁴⁵, 1398100, F₈₁, 12, 12) (dual of [(1398100, 12), 16777155, 13]-NRT-code), using
    - OA 6-folding and stacking [i] based on linear OA(81⁴⁵, 8388600, F₈₁, 12) (dual of [8388600, 8388555, 13]-code), using
      - discarding factors / shortening the dual code based on linear OA(81⁴⁵, large, F₈₁, 12) (dual of [large, large−45, 13]-code), using
        the expurgated narrow-sense BCH-code C(I) with length 21523360Â | 81⁴âˆ’1, defining interval IÂ =Â [0,11], and designed minimum distance dÂ â‰¥Â |I|+1Â =Â 13 [i]

(75−12, 75, large)-Net over F₈₁ — Digital

Digital (63, 75, large)-net over F₈₁, using

t-expansion [i] based on digital (60, 75, large)-net over F₈₁, using
- 6 times m-reduction [i] based on digital (60, 81, large)-net over F₈₁, using
  - embedding of OOA with Gilbertâ€“VarÅ¡amov bound [i] based on linear OA(81⁸¹, large, F₈₁, 21) (dual of [large, large−81, 22]-code), using
    - the expurgated narrow-sense BCH-code C(I) with length 21523361Â | 81⁸âˆ’1, defining interval IÂ =Â [0,10], and minimum distance dÂ â‰¥ |{−10,−9,…,10}|+1Â =Â 22 (BCH-bound) [i]

(75−12, 75, large)-Net in Base 81 — Upper bound on s

There is no (63, 75, large)-net in base 81, because

10 times m-reduction [i] would yield (63, 65, large)-net in base 81, but
- mutually orthogonal hypercube bound [i]

Best Known (75−12, 75, s)-Nets in Base 81

(75−12, 75, 2802860)-Net over F81 — Constructive and digital

(75−12, 75, large)-Net over F81 — Digital

(75−12, 75, large)-Net in Base 81 — Upper bound on s

(75−12, 75, 2802860)-Net over F₈₁ — Constructive and digital

(75−12, 75, large)-Net over F₈₁ — Digital