Ngày tải lên :
07/08/2014, 06:22
... lexicographic code C (32 , 8, 24) (cf [4]), obtaining a kissing number of A (32 , 32 , 32 )A (32 , 8) + A (32 , 8, 8)A(8, 2) + A (32 , 2, 2)A(2, 1) ≥ · 217 + 1117 · 27 + 32 · 22 = 276, 032 n =36 Let the 36 coordinates ... 8, 8) ≥ 238 5 We take n0 = 32 , n1 = 8, n2 = and obtain a kissing number of A (36 , 32 , 32 )A (32 , 8) + A (36 , 8, 8)A(8, 2) + A (36 , 2, 2)A(2, 1) ≥ · 217 + 238 5 · 27 + 36 · = 438 ,872 An alternative approach ... 32 , 32 )A (32 , 8) vectors ± 232 096 : A(128, 8, 8)A(8, 2) vectors ± 48 0120 : A(128, 2, 2)A(2, 1) vectors ± 82 0126 : for a total ≥ ≥ ≥ ≥ of · 2 43 512064 · 217 2704592 · 27 128 ·4 8,8 63, 556,495,104...