■基本単体の二面角(その79)

 E8~について

  c0=1,c1=2 → L=1

  c1=2,c2=3 → L=1/√3

  c2=3,c3=4 → L=1/√6

  c3=4,c4=5 → L=1/√10

  c4=5,c5=6 → L=1/√15

  (ここで分岐)

  c5=4,c6=4 → L=1/√12

  c6=4,c7=2 → L=1/2

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  (0,0,0,0,0,0,0,0)

  (1,0,0,0,0,0,0,0)

  (1,1/√3,0,0,0,0,0,0)

  (1,1/√3,1/√6,0,0,0,0,0)

  (1,1/√3,1/√6,1/√10,0,0,0,0)

  (1,1/√3,1/√6,1/√10,1/√15,0,0,0)

  (1,1/√3,1/√6,1/√10,1/√15,1/√12,0,0)

  (1,1/√3,1/√6,1/√10,1/√15,1/√12,1/2,0)

  (1,1/√3,1/√6,1/√10,1/√15,0,0,1/3)

となるのだろうか?

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