MinT - Information on Result #1666424

Information on Result #1666424

Linear OOA(2¹⁷⁸, 3425, F₂, 6, 25) (dual of [(3425, 6), 20372, 26]-NRT-code), using embedding of OOA with Gilbertâ€“VarÅ¡amov bound based on linear OOA(2¹⁷⁸, 3425, F₂, 4, 25) (dual of [(3425, 4), 13522, 26]-NRT-code), using

discarding factors / shortening the dual code based on linear OOA(2¹⁷⁸, 4105, F₂, 4, 25) (dual of [(4105, 4), 16242, 26]-NRT-code), using
- 2² times duplication [i] based on linear OOA(2¹⁷⁶, 4105, F₂, 4, 25) (dual of [(4105, 4), 16244, 26]-NRT-code), using
  - OOA 4-folding [i] based on linear OA(2¹⁷⁶, 16420, F₂, 25) (dual of [16420, 16244, 26]-code), using
    - constructionÂ X applied to C([0,12]) âŠ‚ C([0,10]) [i] based on
      1. linear OA(2¹⁶⁹, 16385, F₂, 25) (dual of [16385, 16216, 26]-code), using the expurgated narrow-sense BCH-code C(I) with length 16385Â | 2²⁸âˆ’1, defining interval IÂ =Â [0,12], and minimum distance dÂ â‰¥ |{−12,−11,…,12}|+1Â =Â 26 (BCH-bound) [i]
      2. linear OA(2¹⁴¹, 16385, F₂, 21) (dual of [16385, 16244, 22]-code), using the expurgated narrow-sense BCH-code C(I) with length 16385Â | 2²⁸âˆ’1, defining interval IÂ =Â [0,10], and minimum distance dÂ â‰¥ |{−10,−9,…,10}|+1Â =Â 22 (BCH-bound) [i]
      3. linear OA(2⁷, 35, F₂, 3) (dual of [35, 28, 4]-code or 35-cap in PG(6,2)), using
        discarding factors / shortening the dual code based on linear OA(2⁷, 63, F₂, 3) (dual of [63, 56, 4]-code or 63-cap in PG(6,2)), using
        the primitive expurgated narrow-sense BCH-code C(I) with length 63Â = 2⁶âˆ’1, defining interval IÂ =Â [0,1], and designed minimum distance dÂ â‰¥Â |I|+1Â =Â 4 [i]

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

The following results depend on this result:

	Result		This result only	Method
1	Linear OOA(2¹⁷⁸, 1712, F₂, 30, 25) (dual of [(1712, 30), 51182, 26]-NRT-code)	[i]		OOA Folding and Stacking with Additional Row