Information on Result #2858824
Linear OOA(3250, 1722013, F3, 5, 18) (dual of [(1722013, 5), 8609815, 19]-NRT-code), using strength reduction based on linear OOA(3250, 1722013, F3, 5, 19) (dual of [(1722013, 5), 8609815, 20]-NRT-code), using
- (u, u+v)-construction [i] based on
- linear OOA(369, 44293, F3, 5, 9) (dual of [(44293, 5), 221396, 10]-NRT-code), using
- OOA 4-folding and stacking with additional row [i] based on linear OA(369, 177173, F3, 9) (dual of [177173, 177104, 10]-code), using
- 1 times code embedding in larger space [i] based on linear OA(368, 177172, F3, 9) (dual of [177172, 177104, 10]-code), using
- construction X4 applied to C([0,4]) ⊂ C([0,3]) [i] based on
- linear OA(367, 177148, F3, 9) (dual of [177148, 177081, 10]-code), using the expurgated narrow-sense BCH-code C(I) with length 177148 | 322−1, defining interval I = [0,4], and minimum distance d ≥ |{−4,−3,…,4}|+1 = 10 (BCH-bound) [i]
- linear OA(345, 177148, F3, 7) (dual of [177148, 177103, 8]-code), using the expurgated narrow-sense BCH-code C(I) with length 177148 | 322−1, defining interval I = [0,3], and minimum distance d ≥ |{−3,−2,…,3}|+1 = 8 (BCH-bound) [i]
- linear OA(323, 24, F3, 23) (dual of [24, 1, 24]-code or 24-arc in PG(22,3)), using
- dual of repetition code with length 24 [i]
- linear OA(31, 24, F3, 1) (dual of [24, 23, 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
- construction X4 applied to C([0,4]) ⊂ C([0,3]) [i] based on
- 1 times code embedding in larger space [i] based on linear OA(368, 177172, F3, 9) (dual of [177172, 177104, 10]-code), using
- OOA 4-folding and stacking with additional row [i] based on linear OA(369, 177173, F3, 9) (dual of [177173, 177104, 10]-code), using
- linear OOA(3181, 1677720, F3, 5, 19) (dual of [(1677720, 5), 8388419, 20]-NRT-code), using
- OOA 5-folding [i] based on linear OA(3181, 8388600, F3, 19) (dual of [8388600, 8388419, 20]-code), using
- discarding factors / shortening the dual code based on linear OA(3181, large, F3, 19) (dual of [large, large−181, 20]-code), using
- the expurgated narrow-sense BCH-code C(I) with length 14348908 | 330−1, defining interval I = [0,9], and minimum distance d ≥ |{−9,−8,…,9}|+1 = 20 (BCH-bound) [i]
- discarding factors / shortening the dual code based on linear OA(3181, large, F3, 19) (dual of [large, large−181, 20]-code), using
- OOA 5-folding [i] based on linear OA(3181, 8388600, F3, 19) (dual of [8388600, 8388419, 20]-code), using
- linear OOA(369, 44293, F3, 5, 9) (dual of [(44293, 5), 221396, 10]-NRT-code), using
Mode: Constructive and linear.
Optimality
Show details for fixed k and m, k and s, k and t, m and s, m and t.
Other Results with Identical Parameters
None.
Depending Results
None.