eldorado.tu-dortmund.de/server/api/core/bitstreams/19d14213-116b-46c9-9210-9383e61d2177/content
1) =
⋃ λ1,λ2∈{0,1,2} T1
3 λ1,
1 3 λ2,
2 3 λ2,
1 3
(λ1+2λ2)
Fix(α2 1α2) = Fix(α1α2α
2 1)
= ⋃ λ1,λ2∈{0,1,2} T1
3 λ1,
1 3
(λ1+λ2), 1 3
(λ1+2λ2), 1 3 λ2
Fix(α3 1α2) = Fix(α1α2α1)
= ⋃ λ1,λ2∈{0,1,2} T1
3 λ1, [...] + Λ′ and 1 3 v3 + 1
3 v4 + Λ′ =
0 0 1 2√ 3
6
+ Λ′
Therefore we have
Fix(α) = ⋃
λ1,λ2∈{0,1,2}
{(x1, x2, x3, 1 2 λ1,
√ 3
6 λ1,
1 2 λ2,
√ 3
6 λ2) + Λ|x1, x2, x3 ∈ R} .
90
T 7/∆ therefore is an [...] Γ are given by
Fix(α) = {(x1, x2, x3, 0, 0, 0, 0) + Λ|x1, x2, x3 ∈ R} = Fix(α5)
Fix(α2) = ⋃ λ1,λ2∈{0,1,2}{(x1, x2, x3,
1 2 λ1,
√ 3
6 λ1,
1 2 λ2,
√ 3
6 λ2) + Λ|x1, x2, x3 ∈ R} = Fix(α4)
Fix(α3) = ⋃ ε1,ε2 …
