Information on Result #633597
Linear OA(3221, 345, F3, 77) (dual of [345, 124, 78]-code), using concatenation of two codes based on
- linear OA(8138, 69, F81, 38) (dual of [69, 31, 39]-code or 69-arc in PG(37,81)), using
- discarding factors / shortening the dual code based on linear OA(8138, 81, F81, 38) (dual of [81, 43, 39]-code or 81-arc in PG(37,81)), using
- Reed–Solomon code RS(43,81) [i]
- discarding factors / shortening the dual code based on linear OA(8138, 81, F81, 38) (dual of [81, 43, 39]-code or 81-arc in PG(37,81)), using
- linear OA(31, 5, F3, 1) (dual of [5, 4, 2]-code), using
- discarding factors / shortening the dual code based on linear OA(31, s, F3, 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(3220, 344, F3, 76) (dual of [344, 124, 77]-code) | [i] | Truncation | |
| 2 | Linear OOA(3221, 172, F3, 2, 77) (dual of [(172, 2), 123, 78]-NRT-code) | [i] | OOA Folding | |
| 3 | Linear OOA(3221, 115, F3, 3, 77) (dual of [(115, 3), 124, 78]-NRT-code) | [i] | ||