Information on Result #1480722
Linear OOA(4202, 2189, F4, 3, 43) (dual of [(2189, 3), 6365, 44]-NRT-code), using OOA 2-folding based on linear OOA(4202, 4378, F4, 2, 43) (dual of [(4378, 2), 8554, 44]-NRT-code), using
- discarding factors / shortening the dual code based on linear OOA(4202, 4379, F4, 2, 43) (dual of [(4379, 2), 8556, 44]-NRT-code), using
- embedding of OOA with Gilbert–Varšamov bound [i] based on linear OA(4202, 4379, F4, 43) (dual of [4379, 4177, 44]-code), using
- 261 step Varšamov–Edel lengthening with (ri) = (2, 0, 1, 5 times 0, 1, 12 times 0, 1, 23 times 0, 1, 43 times 0, 1, 70 times 0, 1, 100 times 0) [i] based on linear OA(4194, 4110, F4, 43) (dual of [4110, 3916, 44]-code), using
- construction X applied to C([0,21]) ⊂ C([0,20]) [i] based on
- linear OA(4193, 4097, F4, 43) (dual of [4097, 3904, 44]-code), using the expurgated narrow-sense BCH-code C(I) with length 4097 | 412−1, defining interval I = [0,21], and minimum distance d ≥ |{−21,−20,…,21}|+1 = 44 (BCH-bound) [i]
- linear OA(4181, 4097, F4, 41) (dual of [4097, 3916, 42]-code), using the expurgated narrow-sense BCH-code C(I) with length 4097 | 412−1, defining interval I = [0,20], and minimum distance d ≥ |{−20,−19,…,20}|+1 = 42 (BCH-bound) [i]
- linear OA(41, 13, F4, 1) (dual of [13, 12, 2]-code), using
- discarding factors / shortening the dual code based on linear OA(41, s, F4, 1) (dual of [s, s−1, 2]-code) for arbitrarily large s, using
- construction X applied to C([0,21]) ⊂ C([0,20]) [i] based on
- 261 step Varšamov–Edel lengthening with (ri) = (2, 0, 1, 5 times 0, 1, 12 times 0, 1, 23 times 0, 1, 43 times 0, 1, 70 times 0, 1, 100 times 0) [i] based on linear OA(4194, 4110, F4, 43) (dual of [4110, 3916, 44]-code), using
- embedding of OOA with Gilbert–Varšamov bound [i] based on linear OA(4202, 4379, F4, 43) (dual of [4379, 4177, 44]-code), using
Mode: 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
None.