Information on Result #903555

Linear OOA(6418, 4102, F64, 2, 7) (dual of [(4102, 2), 8186, 8]-NRT-code), using (u, u+v)-construction based on
  1. linear OOA(644, 4097, F64, 2, 3) (dual of [(4097, 2), 8190, 4]-NRT-code), using
  2. linear OOA(6414, 2051, F64, 2, 7) (dual of [(2051, 2), 4088, 8]-NRT-code), using
    • OOA 2-folding [i] based on linear OA(6414, 4102, F64, 7) (dual of [4102, 4088, 8]-code), using
      • construction X applied to C([0,3]) ⊂ C([0,2]) [i] based on
        1. linear OA(6413, 4097, F64, 7) (dual of [4097, 4084, 8]-code), using the expurgated narrow-sense BCH-code C(I) with length 4097 | 644−1, defining interval I = [0,3], and minimum distance d ≥ |{−3,−2,…,3}|+1 = 8 (BCH-bound) [i]
        2. linear OA(649, 4097, F64, 5) (dual of [4097, 4088, 6]-code), using the expurgated narrow-sense BCH-code C(I) with length 4097 | 644−1, defining interval I = [0,2], and minimum distance d ≥ |{−2,−1,0,1,2}|+1 = 6 (BCH-bound) [i]
        3. linear OA(641, 5, F64, 1) (dual of [5, 4, 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(6471, 4198403, F64, 2, 14) (dual of [(4198403, 2), 8396735, 15]-NRT-code) [i](u, u+v)-Construction for OOAs
2Linear OOA(6475, 4198403, F64, 2, 15) (dual of [(4198403, 2), 8396731, 16]-NRT-code) [i]