MinT - Best Known (51−5, 51, s)-Nets in Base 81

Best Known (51−5, 51, s)-Nets in Base 81

(51−5, 51, large)-Net over F₈₁ — Constructive and digital

Digital (46, 51, large)-net over F₈₁, using

t-expansion [i] based on digital (45, 51, large)-net over F₈₁, using
- 3 times m-reduction [i] based on digital (45, 54, large)-net over F₈₁, using
  - (u,Â u+v)-construction [i] based on
    1. digital (0, 4, 82)-net over F₈₁, using
      - net from sequence [i] based on digital (0, 81)-sequence over F₈₁, using
        generalized Faure sequence [i]
        Niederreiterâ€“Xing sequence constructionÂ II/III [i] based on function field F/F₈₁ with g(F) = 0 and N(F) ≥ 82, using
        the rational function field F₈₁(x) [i]
        Niederreiter sequence [i]
    2. digital (41, 50, 8388602)-net over F₈₁, using
      - net defined by OOA [i] based on linear OOA(81⁵⁰, 8388602, F₈₁, 12, 9) (dual of [(8388602, 12), 100663174, 10]-NRT-code), using
        OOA stacking with additional row [i] based on linear OOA(81⁵⁰, large, F₈₁, 4, 9), using
        generalized (u,Â u+v)-construction [i] based on
        linear OOA(81⁰, 132861, F₈₁, 4, 0) (dual of [(132861, 4), 531444, 1]-NRT-code), using
        discarding factors / shortening the dual code based on linear OOA(81⁰, s, F₈₁, 4, 0) with arbitrarily large s, using
        OOA with only one run / dual of NRT-code without redundancy [i]
        linear OOA(81⁰, 132861, F₈₁, 4, 0) (dual of [(132861, 4), 531444, 1]-NRT-code) (see above)
        linear OOA(81⁰, 132861, F₈₁, 4, 0) (dual of [(132861, 4), 531444, 1]-NRT-code) (see above)
        linear OOA(81⁰, 132861, F₈₁, 4, 0) (dual of [(132861, 4), 531444, 1]-NRT-code) (see above)
        linear OOA(81⁰, 132861, F₈₁, 4, 0) (dual of [(132861, 4), 531444, 1]-NRT-code) (see above)
        linear OOA(81⁰, 132861, F₈₁, 4, 0) (dual of [(132861, 4), 531444, 1]-NRT-code) (see above)
        linear OOA(81⁰, 132861, F₈₁, 4, 0) (dual of [(132861, 4), 531444, 1]-NRT-code) (see above)
        linear OOA(81⁰, 132861, F₈₁, 4, 0) (dual of [(132861, 4), 531444, 1]-NRT-code) (see above)
        linear OOA(81⁰, 132861, F₈₁, 4, 0) (dual of [(132861, 4), 531444, 1]-NRT-code) (see above)
        linear OOA(81⁰, 132861, F₈₁, 4, 0) (dual of [(132861, 4), 531444, 1]-NRT-code) (see above)
        linear OOA(81⁰, 132861, F₈₁, 4, 0) (dual of [(132861, 4), 531444, 1]-NRT-code) (see above)
        linear OOA(81⁰, 132861, F₈₁, 4, 0) (dual of [(132861, 4), 531444, 1]-NRT-code) (see above)
        linear OOA(81⁰, 132861, F₈₁, 4, 0) (dual of [(132861, 4), 531444, 1]-NRT-code) (see above)
        linear OOA(81⁰, 132861, F₈₁, 4, 0) (dual of [(132861, 4), 531444, 1]-NRT-code) (see above)
        linear OOA(81⁰, 132861, F₈₁, 4, 0) (dual of [(132861, 4), 531444, 1]-NRT-code) (see above)
        linear OOA(81⁰, 132861, F₈₁, 4, 0) (dual of [(132861, 4), 531444, 1]-NRT-code) (see above)
        linear OOA(81⁰, 132861, F₈₁, 4, 0) (dual of [(132861, 4), 531444, 1]-NRT-code) (see above)
        linear OOA(81⁰, 132861, F₈₁, 4, 0) (dual of [(132861, 4), 531444, 1]-NRT-code) (see above)
        linear OOA(81⁰, 132861, F₈₁, 4, 0) (dual of [(132861, 4), 531444, 1]-NRT-code) (see above)
        linear OOA(81⁰, 132861, F₈₁, 4, 0) (dual of [(132861, 4), 531444, 1]-NRT-code) (see above)
        linear OOA(81⁰, 132861, F₈₁, 4, 0) (dual of [(132861, 4), 531444, 1]-NRT-code) (see above)
        linear OOA(81⁰, 132861, F₈₁, 4, 0) (dual of [(132861, 4), 531444, 1]-NRT-code) (see above)
        linear OOA(81⁰, 132861, F₈₁, 4, 0) (dual of [(132861, 4), 531444, 1]-NRT-code) (see above)
        linear OOA(81⁰, 132861, F₈₁, 4, 0) (dual of [(132861, 4), 531444, 1]-NRT-code) (see above)
        linear OOA(81⁰, 132861, F₈₁, 4, 0) (dual of [(132861, 4), 531444, 1]-NRT-code) (see above)
        linear OOA(81⁰, 132861, F₈₁, 4, 0) (dual of [(132861, 4), 531444, 1]-NRT-code) (see above)
        linear OOA(81⁰, 132861, F₈₁, 4, 0) (dual of [(132861, 4), 531444, 1]-NRT-code) (see above)
        linear OOA(81⁰, 132861, F₈₁, 4, 0) (dual of [(132861, 4), 531444, 1]-NRT-code) (see above)
        linear OOA(81⁰, 132861, F₈₁, 4, 0) (dual of [(132861, 4), 531444, 1]-NRT-code) (see above)
        linear OOA(81⁰, 132861, F₈₁, 4, 0) (dual of [(132861, 4), 531444, 1]-NRT-code) (see above)
        linear OOA(81⁰, 132861, F₈₁, 4, 0) (dual of [(132861, 4), 531444, 1]-NRT-code) (see above)
        linear OOA(81⁰, 132861, F₈₁, 4, 0) (dual of [(132861, 4), 531444, 1]-NRT-code) (see above)
        linear OOA(81⁰, 132861, F₈₁, 4, 0) (dual of [(132861, 4), 531444, 1]-NRT-code) (see above)
        linear OOA(81⁰, 132861, F₈₁, 4, 0) (dual of [(132861, 4), 531444, 1]-NRT-code) (see above)
        linear OOA(81⁰, 132861, F₈₁, 4, 0) (dual of [(132861, 4), 531444, 1]-NRT-code) (see above)
        linear OOA(81⁰, 132861, F₈₁, 4, 0) (dual of [(132861, 4), 531444, 1]-NRT-code) (see above)
        linear OOA(81⁰, 132861, F₈₁, 4, 0) (dual of [(132861, 4), 531444, 1]-NRT-code) (see above)
        linear OOA(81⁰, 132861, F₈₁, 4, 0) (dual of [(132861, 4), 531444, 1]-NRT-code) (see above)
        linear OOA(81⁰, 132861, F₈₁, 4, 0) (dual of [(132861, 4), 531444, 1]-NRT-code) (see above)
        linear OOA(81⁰, 132861, F₈₁, 4, 0) (dual of [(132861, 4), 531444, 1]-NRT-code) (see above)
        linear OOA(81⁰, 132861, F₈₁, 4, 0) (dual of [(132861, 4), 531444, 1]-NRT-code) (see above)
        linear OOA(81⁰, 132861, F₈₁, 4, 0) (dual of [(132861, 4), 531444, 1]-NRT-code) (see above)
        linear OOA(81⁰, 132861, F₈₁, 4, 0) (dual of [(132861, 4), 531444, 1]-NRT-code) (see above)
        linear OOA(81⁰, 132861, F₈₁, 4, 0) (dual of [(132861, 4), 531444, 1]-NRT-code) (see above)
        linear OOA(81⁰, 132861, F₈₁, 4, 0) (dual of [(132861, 4), 531444, 1]-NRT-code) (see above)
        linear OOA(81⁰, 132861, F₈₁, 4, 0) (dual of [(132861, 4), 531444, 1]-NRT-code) (see above)
        linear OOA(81⁰, 132861, F₈₁, 4, 0) (dual of [(132861, 4), 531444, 1]-NRT-code) (see above)
        linear OOA(81⁰, 132861, F₈₁, 4, 0) (dual of [(132861, 4), 531444, 1]-NRT-code) (see above)
        linear OOA(81⁰, 132861, F₈₁, 4, 0) (dual of [(132861, 4), 531444, 1]-NRT-code) (see above)
        linear OOA(81⁰, 132861, F₈₁, 4, 0) (dual of [(132861, 4), 531444, 1]-NRT-code) (see above)
        linear OOA(81⁰, 132861, F₈₁, 4, 0) (dual of [(132861, 4), 531444, 1]-NRT-code) (see above)
        linear OOA(81⁰, 132861, F₈₁, 4, 0) (dual of [(132861, 4), 531444, 1]-NRT-code) (see above)
        linear OOA(81⁰, 132861, F₈₁, 4, 0) (dual of [(132861, 4), 531444, 1]-NRT-code) (see above)
        linear OOA(81⁰, 132861, F₈₁, 4, 0) (dual of [(132861, 4), 531444, 1]-NRT-code) (see above)
        linear OOA(81⁰, 132861, F₈₁, 4, 0) (dual of [(132861, 4), 531444, 1]-NRT-code) (see above)
        linear OOA(81⁰, 132861, F₈₁, 4, 0) (dual of [(132861, 4), 531444, 1]-NRT-code) (see above)
        linear OOA(81⁰, 132861, F₈₁, 4, 0) (dual of [(132861, 4), 531444, 1]-NRT-code) (see above)
        linear OOA(81⁰, 132861, F₈₁, 4, 0) (dual of [(132861, 4), 531444, 1]-NRT-code) (see above)
        linear OOA(81⁰, 132861, F₈₁, 4, 0) (dual of [(132861, 4), 531444, 1]-NRT-code) (see above)
        linear OOA(81⁰, 132861, F₈₁, 4, 0) (dual of [(132861, 4), 531444, 1]-NRT-code) (see above)
        linear OOA(81⁰, 132861, F₈₁, 4, 0) (dual of [(132861, 4), 531444, 1]-NRT-code) (see above)
        linear OOA(81⁰, 132861, F₈₁, 4, 0) (dual of [(132861, 4), 531444, 1]-NRT-code) (see above)
        linear OOA(81⁰, 132861, F₈₁, 4, 0) (dual of [(132861, 4), 531444, 1]-NRT-code) (see above)
        linear OOA(81⁰, 132861, F₈₁, 4, 0) (dual of [(132861, 4), 531444, 1]-NRT-code) (see above)
        linear OOA(81⁰, 132861, F₈₁, 4, 0) (dual of [(132861, 4), 531444, 1]-NRT-code) (see above)
        linear OOA(81⁰, 132861, F₈₁, 4, 0) (dual of [(132861, 4), 531444, 1]-NRT-code) (see above)
        linear OOA(81⁰, 132861, F₈₁, 4, 0) (dual of [(132861, 4), 531444, 1]-NRT-code) (see above)
        linear OOA(81⁰, 132861, F₈₁, 4, 0) (dual of [(132861, 4), 531444, 1]-NRT-code) (see above)
        linear OOA(81⁰, 132861, F₈₁, 4, 0) (dual of [(132861, 4), 531444, 1]-NRT-code) (see above)
        linear OOA(81⁰, 132861, F₈₁, 4, 0) (dual of [(132861, 4), 531444, 1]-NRT-code) (see above)
        linear OOA(81⁰, 132861, F₈₁, 4, 0) (dual of [(132861, 4), 531444, 1]-NRT-code) (see above)
        linear OOA(81⁰, 132861, F₈₁, 4, 0) (dual of [(132861, 4), 531444, 1]-NRT-code) (see above)
        linear OOA(81¹, 132861, F₈₁, 4, 1) (dual of [(132861, 4), 531443, 2]-NRT-code), using
        discarding factors / shortening the dual code based on linear OOA(81¹, s, F₈₁, 4, 1) with arbitrarily large s, using
        appending 3 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, 132861, F₈₁, 4, 1) (dual of [(132861, 4), 531443, 2]-NRT-code) (see above)
        linear OOA(81¹, 132861, F₈₁, 4, 1) (dual of [(132861, 4), 531443, 2]-NRT-code) (see above)
        linear OOA(81¹, 132861, F₈₁, 4, 1) (dual of [(132861, 4), 531443, 2]-NRT-code) (see above)
        linear OOA(81¹, 132861, F₈₁, 4, 1) (dual of [(132861, 4), 531443, 2]-NRT-code) (see above)
        linear OOA(81⁴, 132861, F₈₁, 4, 2) (dual of [(132861, 4), 531440, 3]-NRT-code), using
        discarding factors / shortening the dual code based on linear OOA(81⁴, 538084, F₈₁, 4, 2) (dual of [(538084, 4), 2152332, 3]-NRT-code), using
        appending 2 arbitrary columns [i] based on linear OOA(81⁴, 538084, F₈₁, 2, 2) (dual of [(538084, 2), 1076164, 3]-NRT-code), using
        appending kth column [i] based on linear OA(81⁴, 538084, F₈₁, 2) (dual of [538084, 538080, 3]-code), using
        Hamming code H(4,81) [i]
        linear OOA(81⁶, 132861, F₈₁, 4, 3) (dual of [(132861, 4), 531438, 4]-NRT-code), using
        discarding factors / shortening the dual code based on linear OOA(81⁶, 538248, F₈₁, 4, 3) (dual of [(538248, 4), 2152986, 4]-NRT-code), using
        appending 1 arbitrary column [i] based on linear OOA(81⁶, 538248, F₈₁, 3, 3) (dual of [(538248, 3), 1614738, 4]-NRT-code), using
        appending kth column [i] based on linear OOA(81⁶, 538248, F₈₁, 2, 3) (dual of [(538248, 2), 1076490, 4]-NRT-code), using
        OAs with strength 3, bÂ â‰ Â 2, and mÂ >Â 3 are always embeddable [i] based on linear OA(81⁶, 538248, F₈₁, 3) (dual of [538248, 538242, 4]-code or 538248-cap in PG(5,81)), using
        large caps in PG(5,Â b) [i]
        linear OOA(81¹⁰, 132861, F₈₁, 4, 4) (dual of [(132861, 4), 531434, 5]-NRT-code), using
        discarding factors / shortening the dual code based on linear OOA(81¹⁰, 265722, F₈₁, 4, 4) (dual of [(265722, 4), 1062878, 5]-NRT-code), using
        OA 2-folding and stacking [i] based on linear OA(81¹⁰, 531444, F₈₁, 4) (dual of [531444, 531434, 5]-code), using
        constructionÂ X applied to C_e(3) âŠ‚ C_e(2) [i] based on
        linear OA(81¹⁰, 531441, F₈₁, 4) (dual of [531441, 531431, 5]-code), using an extension C_e(3) of the primitive narrow-sense BCH-code C(I) with length 531440Â = 81³âˆ’1, defining interval IÂ =Â [1,3], and designed minimum distance dÂ â‰¥Â |I|+1Â =Â 4 [i]
        linear OA(81⁷, 531441, F₈₁, 3) (dual of [531441, 531434, 4]-code or 531441-cap in PG(6,81)), using an extension C_e(2) of the primitive narrow-sense BCH-code C(I) with length 531440Â = 81³âˆ’1, defining interval IÂ =Â [1,2], and designed minimum distance dÂ â‰¥Â |I|+1Â =Â 3 [i]
        linear OA(81⁰, 3, F₈₁, 0) (dual of [3, 3, 1]-code), using
        discarding factors / shortening the dual code based on linear OA(81⁰, s, F₈₁, 0) (dual of [s, s, 1]-code) with arbitrarily large s, using
        OA with only one run / dual of code without redundancy [i]
        linear OOA(81²⁵, 132861, F₈₁, 4, 9) (dual of [(132861, 4), 531419, 10]-NRT-code), using
        OOA 4-folding [i] based on linear OA(81²⁵, 531444, F₈₁, 9) (dual of [531444, 531419, 10]-code), using
        constructionÂ X applied to C_e(8) âŠ‚ C_e(7) [i] based on
        linear OA(81²⁵, 531441, F₈₁, 9) (dual of [531441, 531416, 10]-code), using an extension C_e(8) of the primitive narrow-sense BCH-code C(I) with length 531440Â = 81³âˆ’1, defining interval IÂ =Â [1,8], and designed minimum distance dÂ â‰¥Â |I|+1Â =Â 9 [i]
        linear OA(81²², 531441, F₈₁, 8) (dual of [531441, 531419, 9]-code), using an extension C_e(7) of the primitive narrow-sense BCH-code C(I) with length 531440Â = 81³âˆ’1, defining interval IÂ =Â [1,7], and designed minimum distance dÂ â‰¥Â |I|+1Â =Â 8 [i]
        linear OA(81⁰, 3, F₈₁, 0) (dual of [3, 3, 1]-code) (see above)

(51−5, 51, large)-Net in Base 81 — Upper bound on s

There is no (46, 51, large)-net in base 81, because

3 times m-reduction [i] would yield (46, 48, large)-net in base 81, but
- mutually orthogonal hypercube bound [i]

Best Known (51−5, 51, s)-Nets in Base 81

(51−5, 51, large)-Net over F81 — Constructive and digital

(51−5, 51, large)-Net in Base 81 — Upper bound on s

(51−5, 51, large)-Net over F₈₁ — Constructive and digital