MinT - Information on Result #2247275

Information on Result #2247275

Linear OA(5¹³⁴, 15674, F₅, 25) (dual of [15674, 15540, 26]-code), using 1 times truncation based on linear OA(5¹³⁵, 15675, F₅, 26) (dual of [15675, 15540, 27]-code), using

constructionÂ X applied to C_e(25) âŠ‚ C_e(17) [i] based on
1. linear OA(5¹²¹, 15625, F₅, 26) (dual of [15625, 15504, 27]-code), using an extension C_e(25) of the primitive narrow-sense BCH-code C(I) with length 15624Â = 5⁶âˆ’1, defining interval IÂ =Â [1,25], and designed minimum distance dÂ â‰¥Â |I|+1Â =Â 26 [i]
2. linear OA(5⁸⁵, 15625, F₅, 18) (dual of [15625, 15540, 19]-code), using an extension C_e(17) of the primitive narrow-sense BCH-code C(I) with length 15624Â = 5⁶âˆ’1, defining interval IÂ =Â [1,17], and designed minimum distance dÂ â‰¥Â |I|+1Â =Â 18 [i]
3. linear OA(5¹⁴, 50, F₅, 7) (dual of [50, 36, 8]-code), using
  - discarding factors / shortening the dual code based on linear OA(5¹⁴, 52, F₅, 7) (dual of [52, 38, 8]-code), using
    - trace code [i] based on linear OA(25⁷, 26, F₂₅, 7) (dual of [26, 19, 8]-code or 26-arc in PG(6,25)), using
      - extended Reedâ€“Solomon code RS_e(19,25) [i]
      - the expurgated narrow-sense BCH-code C(I) with length 26Â | 25²âˆ’1, defining interval IÂ =Â [0,3], and minimum distance dÂ â‰¥ |{−3,−2,…,3}|+1Â =Â 8 (BCH-bound) [i]
      - algebraic-geometric code AG(F,9P) with degPÂ =Â 2 [i] based on function field F/F₂₅ with g(F) = 0 and N(F) ≥ 26, using the rational function field F₂₅(x) [i]
      - algebraic-geometric code AG(F,6P) with degPÂ =Â 3 [i] based on function field F/F₂₅ with g(F) = 0 and N(F) ≥ 26 (see above)

Mode: Constructive and 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(5¹³⁴, 7837, F₅, 2, 25) (dual of [(7837, 2), 15540, 26]-NRT-code)	[i]		OOA Folding