■DE群多面体の計量(その308)
Wythoff's constructon for uniform polytopes, p49の局所幾何の計算.
2次元面について
α2(頂点数3)
β2(頂点数4)
f2=(x/3+y/4)・f0
x/3+y/4=7920/432
144x+108y=7920
x+y=60
144x+144y=8640
36y=720
X=40,Y=20
40/3・432=5760
20/4・432=2160・・・OK
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