MinT - Information on Result #1518820

Information on Result #1518820

Linear OOA(2²⁴⁵, 1006, F₂, 3, 43) (dual of [(1006, 3), 2773, 44]-NRT-code), using embedding of OOA with Gilbertâ€“VarÅ¡amov bound based on linear OOA(2²⁴⁵, 1006, F₂, 2, 43) (dual of [(1006, 2), 1767, 44]-NRT-code), using

discarding factors / shortening the dual code based on linear OOA(2²⁴⁵, 1047, F₂, 2, 43) (dual of [(1047, 2), 1849, 44]-NRT-code), using
- OOA 2-folding [i] based on linear OA(2²⁴⁵, 2094, F₂, 43) (dual of [2094, 1849, 44]-code), using
  - constructionÂ X applied to C_e(42) âŠ‚ C_e(36) [i] based on
    1. linear OA(2²³², 2048, F₂, 43) (dual of [2048, 1816, 44]-code), using an extension C_e(42) of the primitive narrow-sense BCH-code C(I) with length 2047Â = 2¹¹âˆ’1, defining interval IÂ =Â [1,42], and designed minimum distance dÂ â‰¥Â |I|+1Â =Â 43 [i]
    2. linear OA(2¹⁹⁹, 2048, F₂, 37) (dual of [2048, 1849, 38]-code), using an extension C_e(36) of the primitive narrow-sense BCH-code C(I) with length 2047Â = 2¹¹âˆ’1, defining interval IÂ =Â [1,36], and designed minimum distance dÂ â‰¥Â |I|+1Â =Â 37 [i]
    3. linear OA(2¹³, 46, F₂, 5) (dual of [46, 33, 6]-code), using
      - discarding factors / shortening the dual code based on linear OA(2¹³, 63, F₂, 5) (dual of [63, 50, 6]-code), using
        the primitive expurgated narrow-sense BCH-code C(I) with length 63Â = 2⁶âˆ’1, defining interval IÂ =Â [0,3], and designed minimum distance dÂ â‰¥Â |I|+1Â =Â 6 [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(2²⁴⁵, 503, F₂, 5, 43) (dual of [(503, 5), 2270, 44]-NRT-code)	[i]		OOA Folding
2	Linear OOA(2²⁴⁵, 503, F₂, 6, 43) (dual of [(503, 6), 2773, 44]-NRT-code)	[i]		OOA Folding