MinT - Information on Result #1117890

Information on Result #1117890

Linear OOA(3²⁴⁰, 1677804, F₃, 5, 21) (dual of [(1677804, 5), 8388780, 22]-NRT-code), using (u,Â u+v)-construction based on

linear OOA(3³⁰, 84, F₃, 5, 10) (dual of [(84, 5), 390, 11]-NRT-code), using
- extracting embedded OOA [i] based on digital (20, 30, 84)-net over F₃, using
  - trace code for nets [i] based on digital (0, 10, 28)-net over F₂₇, using
    - net from sequence [i] based on digital (0, 27)-sequence over F₂₇, using
      - generalized Faure sequence [i]
      - Niederreiterâ€“Xing sequence constructionÂ II/III [i] based on function field F/F₂₇ with g(F) = 0 and N(F) ≥ 28, using
        the rational function field F₂₇(x) [i]
      - Niederreiter sequence [i]
linear OOA(3²¹⁰, 1677720, F₃, 5, 21) (dual of [(1677720, 5), 8388390, 22]-NRT-code), using
- OOA 5-folding [i] based on linear OA(3²¹⁰, 8388600, F₃, 21) (dual of [8388600, 8388390, 22]-code), using
  - discarding factors / shortening the dual code based on linear OA(3²¹⁰, large, F₃, 21) (dual of [large, large−210, 22]-code), using
    - the primitive narrow-sense BCH-code C(I) with length 14348906Â = 3¹⁵âˆ’1, defining interval IÂ =Â [1,21], and designed minimum distance dÂ â‰¥Â |I|+1Â =Â 22 [i]

Mode: Constructive and linear.

None.

The following results depend on this result:

	Result		Method
1	Linear OOA(3²⁴¹, 1677804, F₃, 5, 21) (dual of [(1677804, 5), 8388779, 22]-NRT-code)	[i]	OOA Duplication
2	Linear OOA(3²⁴², 1677804, F₃, 5, 21) (dual of [(1677804, 5), 8388778, 22]-NRT-code)	[i]	OOA Duplication
3	Linear OOA(3²⁴⁰, 838901, F₃, 25, 21) (dual of [(838901, 25), 20972285, 22]-NRT-code)	[i]	OOA Folding and Stacking with Additional Row