MinT - Information on Result #1080169

Information on Result #1080169

Linear OOA(2²⁶⁰, 2097185, F₂, 4, 21) (dual of [(2097185, 4), 8388480, 22]-NRT-code), using (u,Â u+v)-construction based on

linear OOA(2²⁹, 35, F₂, 4, 10) (dual of [(35, 4), 111, 11]-NRT-code), using
- (u,Â u+v)-construction [i] based on
  1. linear OOA(2⁹, 14, F₂, 4, 5) (dual of [(14, 4), 47, 6]-NRT-code), using
    - extracting embedded OOA [i] based on digital (4, 9, 14)-net over F₂, using
      - linear code embedding found in a computer search [i]
  2. linear OOA(2²⁰, 21, F₂, 4, 10) (dual of [(21, 4), 64, 11]-NRT-code), using
    - extracting embedded OOA [i] based on digital (10, 20, 21)-net over F₂, using
      - linear code embedding found in a computer search [i]
linear OOA(2²³¹, 2097150, F₂, 4, 21) (dual of [(2097150, 4), 8388369, 22]-NRT-code), using
- OOA 4-folding [i] based on linear OA(2²³¹, 8388600, F₂, 21) (dual of [8388600, 8388369, 22]-code), using
  - discarding factors / shortening the dual code based on linear OA(2²³¹, large, F₂, 21) (dual of [large, large−231, 22]-code), using
    - the expurgated narrow-sense BCH-code C(I) with length 8388609Â | 2⁴⁶âˆ’1, defining interval IÂ =Â [0,10], and minimum distance dÂ â‰¥ |{−10,−9,…,10}|+1Â =Â 22 (BCH-bound) [i]

Mode: Constructive and linear.

None.

The following results depend on this result:

	Result		This result only	Method
1	Linear OOA(2²⁶⁰, 1048592, F₂, 8, 21) (dual of [(1048592, 8), 8388476, 22]-NRT-code)	[i]		OOA Folding