Information on Result #1821576
OA(12878, 517, S128, 45), using discarding parts of the base based on linear OA(25668, 517, F256, 45) (dual of [517, 449, 46]-code), using
- (u, u+v)-construction [i] based on
- linear OA(25622, 257, F256, 22) (dual of [257, 235, 23]-code or 257-arc in PG(21,256)), using
- extended Reed–Solomon code RSe(235,256) [i]
- algebraic-geometric code AG(F,117P) with degPÂ =Â 2 [i] based on function field F/F256 with g(F) = 0 and N(F) ≥ 257, using the rational function field F256(x) [i]
- algebraic-geometric code AG(F,78P) with degPÂ =Â 3 [i] based on function field F/F256 with g(F) = 0 and N(F) ≥ 257 (see above)
- algebraic-geometric code AG(F, Q+46P) with degQ = 4 and degPÂ =Â 5 [i] based on function field F/F256 with g(F) = 0 and N(F) ≥ 257 (see above)
- linear OA(25646, 260, F256, 45) (dual of [260, 214, 46]-code), using
- construction X applied to AG(F, Q+104P) ⊂ AG(F, Q+105P) [i] based on
- linear OA(25645, 257, F256, 45) (dual of [257, 212, 46]-code or 257-arc in PG(44,256)), using algebraic-geometric code AG(F, Q+104P) with degQ = 3 and degPÂ =Â 2 [i] based on function field F/F256 with g(F) = 0 and N(F) ≥ 257 (see above)
- linear OA(25643, 257, F256, 43) (dual of [257, 214, 44]-code or 257-arc in PG(42,256)), using algebraic-geometric code AG(F, Q+105P) with degQ = 3 and degPÂ =Â 2 [i] based on function field F/F256 with g(F) = 0 and N(F) ≥ 257 (see above)
- linear OA(2561, 3, F256, 1) (dual of [3, 2, 2]-code), using
- discarding factors / shortening the dual code based on linear OA(2561, s, F256, 1) (dual of [s, s−1, 2]-code) for arbitrarily large s, using
- construction X applied to AG(F, Q+104P) ⊂ AG(F, Q+105P) [i] based on
- linear OA(25622, 257, F256, 22) (dual of [257, 235, 23]-code or 257-arc in PG(21,256)), using
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
None.