Information on Result #657384
Linear OA(4921, 53, F49, 20) (dual of [53, 32, 21]-code), using construction X applied to AG(F, Q+13P) ⊂ AG(F, Q+14P) based on
- linear OA(4920, 50, F49, 20) (dual of [50, 30, 21]-code or 50-arc in PG(19,49)), using algebraic-geometric code AG(F, Q+13P) with degQ = 3 and degPÂ =Â 2 [i] based on function field F/F49 with g(F) = 0 and N(F) ≥ 50, using the rational function field F49(x) [i]
- linear OA(4918, 50, F49, 18) (dual of [50, 32, 19]-code or 50-arc in PG(17,49)), using algebraic-geometric code AG(F, Q+14P) with degQ = 3 and degPÂ =Â 2 [i] based on function field F/F49 with g(F) = 0 and N(F) ≥ 50 (see above)
- linear OA(491, 3, F49, 1) (dual of [3, 2, 2]-code), using
- discarding factors / shortening the dual code based on linear OA(491, s, F49, 1) (dual of [s, s−1, 2]-code) for arbitrarily large s, using
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
The following results depend on this result:
| Result | This result only | Method | ||
|---|---|---|---|---|
| 1 | Linear OA(742, 106, F7, 20) (dual of [106, 64, 21]-code) | [i] | Trace Code | |
| 2 | Linear OA(4931, 103, F49, 20) (dual of [103, 72, 21]-code) | [i] | (u, u+v)-Construction | |
| 3 | Linear OA(4932, 106, F49, 20) (dual of [106, 74, 21]-code) | [i] | ||