Information on Result #720019

Linear OA(987, 748, F9, 31) (dual of [748, 661, 32]-code), using construction XX applied to C1 = C([63,91]), C2 = C([67,93]), C3 = C1 + C2 = C([67,91]), and C∩ = C1 ∩ C2 = C([63,93]) based on
  1. linear OA(976, 728, F9, 29) (dual of [728, 652, 30]-code), using the primitive BCH-code C(I) with length 728 = 93−1, defining interval I = {63,64,…,91}, and designed minimum distance d ≥ |I|+1 = 30 [i]
  2. linear OA(973, 728, F9, 27) (dual of [728, 655, 28]-code), using the primitive BCH-code C(I) with length 728 = 93−1, defining interval I = {67,68,…,93}, and designed minimum distance d ≥ |I|+1 = 28 [i]
  3. linear OA(982, 728, F9, 31) (dual of [728, 646, 32]-code), using the primitive BCH-code C(I) with length 728 = 93−1, defining interval I = {63,64,…,93}, and designed minimum distance d ≥ |I|+1 = 32 [i]
  4. linear OA(967, 728, F9, 25) (dual of [728, 661, 26]-code), using the primitive BCH-code C(I) with length 728 = 93−1, defining interval I = {67,68,…,91}, and designed minimum distance d ≥ |I|+1 = 26 [i]
  5. linear OA(94, 13, F9, 3) (dual of [13, 9, 4]-code or 13-cap in PG(3,9)), using
  6. linear OA(91, 7, F9, 1) (dual of [7, 6, 2]-code), 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:

ResultThis
result
only
Method
1Linear OOA(987, 374, F9, 2, 31) (dual of [(374, 2), 661, 32]-NRT-code) [i]OOA Folding