MinT - Information on Result #1838824

Information on Result #1838824

OOA(128⁶⁹, 16534, S₁₂₈, 4, 25), using (u,Â u+v)-construction based on

linear OOA(128¹³, 150, F₁₂₈, 4, 12) (dual of [(150, 4), 587, 13]-NRT-code), using
- extended algebraic-geometric NRT-code AG_e(4;F,587P) [i] based on function field F/F₁₂₈ with g(F) = 1 and N(F) ≥ 150, using
  - a function field by SÃ©mirat [i]
OOA(128⁵⁶, 16384, S₁₂₈, 4, 25), using
- OOA 4-folding [i] based on OA(128⁵⁶, 65536, S₁₂₈, 25), using
  - discarding factors based on OA(128⁵⁶, 65538, S₁₂₈, 25), using
    - discarding parts of the base [i] based on linear OA(256⁴⁹, 65538, F₂₅₆, 25) (dual of [65538, 65489, 26]-code), using
      - constructionÂ X applied to C_e(24) âŠ‚ C_e(23) [i] based on
        linear OA(256⁴⁹, 65536, F₂₅₆, 25) (dual of [65536, 65487, 26]-code), using an extension C_e(24) of the primitive narrow-sense BCH-code C(I) with length 65535Â = 256²âˆ’1, defining interval IÂ =Â [1,24], and designed minimum distance dÂ â‰¥Â |I|+1Â =Â 25 [i]
        linear OA(256⁴⁷, 65536, F₂₅₆, 24) (dual of [65536, 65489, 25]-code), using an extension C_e(23) of the primitive narrow-sense BCH-code C(I) with length 65535Â = 256²âˆ’1, defining interval IÂ =Â [1,23], and designed minimum distance dÂ â‰¥Â |I|+1Â =Â 24 [i]
        linear OA(256⁰, 2, F₂₅₆, 0) (dual of [2, 2, 1]-code), using
        discarding factors / shortening the dual code based on linear OA(256⁰, s, F₂₅₆, 0) (dual of [s, s, 1]-code) for arbitrarily large s, using
        OA with only one run / dual of code without redundancy [i]

Mode: Constructive.

Optimality

Show details for fixed k and m, n and k, k and s, k and t, n and m, m and s, m and t, n and s, n and t.

Other Results with Identical Parameters

None.

Depending Results

The following results depend on this result:

	Result		This result only	Method
1	OOA(128⁶⁹, 5511, S₁₂₈, 28, 25)	[i]		OOA Folding and Stacking with Additional Row