MinT - Information on Result #941941

Information on Result #941941

Linear OOA(4²⁴⁷, 126, F₄, 2, 197) (dual of [(126, 2), 5, 198]-NRT-code), using juxtaposition based on

linear OOA(4²³, 14, F₄, 2, 20) (dual of [(14, 2), 5, 21]-NRT-code), using
- extended algebraic-geometric NRT-code AG_e(2;F,7P) [i] based on function field F/F₄ with g(F) = 3 and N(F) ≥ 14, using
  - an explicitly constructive algebraic function field [i]
linear OOA(4²¹⁹, 112, F₄, 2, 176) (dual of [(112, 2), 5, 177]-NRT-code), using
- juxtaposition [i] based on
  1. linear OOA(4²³, 14, F₄, 2, 20) (dual of [(14, 2), 5, 21]-NRT-code) (see above)
  2. linear OOA(4¹⁹¹, 98, F₄, 2, 155) (dual of [(98, 2), 5, 156]-NRT-code), using
    - juxtaposition [i] based on
      1. linear OOA(4¹³, 9, F₄, 2, 12) (dual of [(9, 2), 5, 13]-NRT-code), using
        extended algebraic-geometric NRT-code AG_e(2;F,5P) [i] based on function field F/F₄ with g(F) = 1 and N(F) ≥ 9, using
        the Hermitian function field over F₄ [i]
      2. linear OOA(4¹⁷³, 89, F₄, 2, 142) (dual of [(89, 2), 5, 143]-NRT-code), using
        1 step truncation [i] based on linear OOA(4¹⁷⁴, 90, F₄, 2, 143) (dual of [(90, 2), 6, 144]-NRT-code), using
        concatenation of two NRT-codes [i] based on
        linear OA(16¹⁵, 18, F₁₆, 15) (dual of [18, 3, 16]-code or 18-arc in PG(14,16)), using
        Denniston code D(1,16) [i]
        linear OOA(4⁸, 5, F₄, 2, 8) (dual of [(5, 2), 2, 9]-NRT-code), using
        extended Reedâ€“Solomon NRT-code RS_e(2;2,4) [i]

Mode: Constructive and linear.

None.

The following results depend on this result:

	Result		This result only	Method
1	Linear OOA(4²⁴², 123, F₄, 2, 192) (dual of [(123, 2), 4, 193]-NRT-code)	[i]		Truncation for OOAs
2	Linear OOA(4²³⁵, 120, F₄, 2, 185) (dual of [(120, 2), 5, 186]-NRT-code)	[i]		Truncation for OOAs