MinT - Information on Result #1653004

Information on Result #1653004

Linear OOA(256⁴⁶, 32779, F₂₅₆, 5, 20) (dual of [(32779, 5), 163849, 21]-NRT-code), using embedding of OOA with Gilbertâ€“VarÅ¡amov bound based on linear OOA(256⁴⁶, 32779, F₂₅₆, 2, 20) (dual of [(32779, 2), 65512, 21]-NRT-code), using

OOA 2-folding [i] based on linear OA(256⁴⁶, 65558, F₂₅₆, 20) (dual of [65558, 65512, 21]-code), using
- discarding factors / shortening the dual code based on linear OA(256⁴⁶, 65559, F₂₅₆, 20) (dual of [65559, 65513, 21]-code), using
  - constructionÂ X applied to C_e(19) âŠ‚ C_e(11) [i] based on
    1. linear OA(256³⁹, 65536, F₂₅₆, 20) (dual of [65536, 65497, 21]-code), using an extension C_e(19) of the primitive narrow-sense BCH-code C(I) with length 65535Â = 256²âˆ’1, defining interval IÂ =Â [1,19], and designed minimum distance dÂ â‰¥Â |I|+1Â =Â 20 [i]
    2. linear OA(256²³, 65536, F₂₅₆, 12) (dual of [65536, 65513, 13]-code), using an extension C_e(11) of the primitive narrow-sense BCH-code C(I) with length 65535Â = 256²âˆ’1, defining interval IÂ =Â [1,11], and designed minimum distance dÂ â‰¥Â |I|+1Â =Â 12 [i]
    3. linear OA(256⁷, 23, F₂₅₆, 7) (dual of [23, 16, 8]-code or 23-arc in PG(6,256)), using
      - discarding factors / shortening the dual code based on linear OA(256⁷, 256, F₂₅₆, 7) (dual of [256, 249, 8]-code or 256-arc in PG(6,256)), using
        Reedâ€“Solomon code RS(249,256) [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(256⁴⁶, 16389, F₂₅₆, 25, 20) (dual of [(16389, 25), 409679, 21]-NRT-code)	[i]		OOA Folding and Stacking with Additional Row