Information on Result #646639
Linear OA(2560, 142, F25, 42) (dual of [142, 82, 43]-code), using construction X applied to AG(F,82P) ⊂ AG(F,91P) based on
- linear OA(2552, 125, F25, 42) (dual of [125, 73, 43]-code), using algebraic-geometric code AG(F,82P) [i] based on function field F/F25 with g(F) = 10 and N(F) ≥ 126, using
- the Hermitian function field over F25 [i]
- linear OA(2543, 125, F25, 33) (dual of [125, 82, 34]-code), using algebraic-geometric code AG(F,91P) [i] based on function field F/F25 with g(F) = 10 and N(F) ≥ 126 (see above)
- linear OA(258, 17, F25, 8) (dual of [17, 9, 9]-code or 17-arc in PG(7,25)), using
- discarding factors / shortening the dual code based on linear OA(258, 25, F25, 8) (dual of [25, 17, 9]-code or 25-arc in PG(7,25)), using
- Reed–Solomon code RS(17,25) [i]
- discarding factors / shortening the dual code based on linear OA(258, 25, F25, 8) (dual of [25, 17, 9]-code or 25-arc in PG(7,25)), 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(5120, 284, F5, 42) (dual of [284, 164, 43]-code) | [i] | Trace Code | |
| 2 | Linear OOA(2560, 71, F25, 2, 42) (dual of [(71, 2), 82, 43]-NRT-code) | [i] | OOA Folding | |