MinT - Information on Result #1614630

Information on Result #1614630

Linear OOA(128⁴⁸, 1048581, F₁₂₈, 4, 16) (dual of [(1048581, 4), 4194276, 17]-NRT-code), using embedding of OOA with Gilbertâ€“VarÅ¡amov bound based on linear OOA(128⁴⁸, 1048581, F₁₂₈, 2, 16) (dual of [(1048581, 2), 2097114, 17]-NRT-code), using

OOA 2-folding [i] based on linear OA(128⁴⁸, 2097162, F₁₂₈, 16) (dual of [2097162, 2097114, 17]-code), using
- discarding factors / shortening the dual code based on linear OA(128⁴⁸, 2097163, F₁₂₈, 16) (dual of [2097163, 2097115, 17]-code), using
  - constructionÂ X applied to C_e(15) âŠ‚ C_e(12) [i] based on
    1. linear OA(128⁴⁶, 2097152, F₁₂₈, 16) (dual of [2097152, 2097106, 17]-code), using an extension C_e(15) of the primitive narrow-sense BCH-code C(I) with length 2097151Â = 128³âˆ’1, defining interval IÂ =Â [1,15], and designed minimum distance dÂ â‰¥Â |I|+1Â =Â 16 [i]
    2. linear OA(128³⁷, 2097152, F₁₂₈, 13) (dual of [2097152, 2097115, 14]-code), using an extension C_e(12) of the primitive narrow-sense BCH-code C(I) with length 2097151Â = 128³âˆ’1, defining interval IÂ =Â [1,12], and designed minimum distance dÂ â‰¥Â |I|+1Â =Â 13 [i]
    3. linear OA(128², 11, F₁₂₈, 2) (dual of [11, 9, 3]-code or 11-arc in PG(1,128)), using
      - discarding factors / shortening the dual code based on linear OA(128², 128, F₁₂₈, 2) (dual of [128, 126, 3]-code or 128-arc in PG(1,128)), using
        Reedâ€“Solomon code RS(126,128) [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(128⁴⁸, 524290, F₁₂₈, 20, 16) (dual of [(524290, 20), 10485752, 17]-NRT-code)	[i]		OOA Folding and Stacking with Additional Row