MinT - Information on Result #1299221

Information on Result #1299221

Linear OA(3²²⁵, 261, F₃, 110) (dual of [261, 36, 111]-code), using constructionÂ X with VarÅ¡amov bound based on

linear OA(3²⁰⁰, 232, F₃, 110) (dual of [232, 32, 111]-code), using
- 12 times truncation [i] based on linear OA(3²¹², 244, F₃, 122) (dual of [244, 32, 123]-code), using
  - constructionÂ X applied to C_e(121) âŠ‚ C_e(120) [i] based on
    1. linear OA(3²¹², 243, F₃, 122) (dual of [243, 31, 123]-code), using an extension C_e(121) of the primitive narrow-sense BCH-code C(I) with length 242Â = 3⁵âˆ’1, defining interval IÂ =Â [1,121], and designed minimum distance dÂ â‰¥Â |I|+1Â =Â 122 [i]
    2. linear OA(3²¹¹, 243, F₃, 121) (dual of [243, 32, 122]-code), using an extension C_e(120) of the primitive narrow-sense BCH-code C(I) with length 242Â = 3⁵âˆ’1, defining interval IÂ =Â [1,120], and designed minimum distance dÂ â‰¥Â |I|+1Â =Â 121 [i]
    3. linear OA(3⁰, 1, F₃, 0) (dual of [1, 1, 1]-code), using
      - discarding factors / shortening the dual code based on linear OA(3⁰, s, F₃, 0) (dual of [s, s, 1]-code) for arbitrarily large s, using
        OA with only one run / dual of code without redundancy [i]
linear OA(3²⁰⁰, 236, F₃, 94) (dual of [236, 36, 95]-code), using Gilbertâ€“VarÅ¡amov bound and b^mÂ = 3²⁰⁰Â > V_b^sâˆ’1(kâˆ’1)Â = 249766 793923 611866 492443 450101 010575 829387 876925 977732 185349 872071 796920 936021 849351 607119 112315 [i]
linear OA(3²¹, 25, F₃, 15) (dual of [25, 4, 16]-code), using
- 2 times truncation [i] based on linear OA(3²³, 27, F₃, 17) (dual of [27, 4, 18]-code), using
  - a code of Belov type defined by PG(3,3) ∖ PG(2,3) [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 OA(3²²⁵, 261, F₃, 109) (dual of [261, 36, 110]-code)	[i]		Strength Reduction