MinT - Information on Result #1134882

Information on Result #1134882

Linear OOA(2¹³⁹, 31, F₂, 6, 63) (dual of [(31, 6), 47, 64]-NRT-code), using OOA 2-folding based on linear OOA(2¹³⁹, 62, F₂, 3, 63) (dual of [(62, 3), 47, 64]-NRT-code), using

discarding factors / shortening the dual code based on linear OOA(2¹³⁹, 63, F₂, 3, 63) (dual of [(63, 3), 50, 64]-NRT-code), using
- concatenation of two NRT-codes [i] based on
  1. linear OOA(4³⁸, 21, F₄, 3, 31) (dual of [(21, 3), 25, 32]-NRT-code), using
    - extended algebraic-geometric NRT-code AG_e(3;F,31P) [i] based on function field F/F₄ with g(F) = 7 and N(F) ≥ 21, using
      - an explicitly constructive algebraic function field [i]
  2. linear OA(2¹, 3, F₂, 1) (dual of [3, 2, 2]-code), using
    - discarding factors / shortening the dual code based on linear OA(2¹, s, F₂, 1) (dual of [s, s−1, 2]-code) for arbitrarily large s, using
      - parity-check code [i]

Mode: Constructive and linear.

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

None.