■DE群多面体の面数公式(その36)

 万華鏡,p273−4をみると,hδでは交差点が2にラベルされているように思われる.

 Withoff's constructon for uniform polytopes, p47

でもそうなっている.確かめてみたい.

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[1]hδ4

  {3,3}(0,0,1)

  {3,4}(1,0,0}  (OK)

[2]h3δ4

  {4,3}(1,0,0)

  {3,3}(0,0,1}

  {3,4}(1,0,1}  (OK)

[3]h2,3δ4

  {4,3}(1,1,0)

  {3,3}(0,1,1}

  {3,4}(1,1,1}  (OK)

[4]h2δ4

  {4,3}(0,1,0)

  {3,3}(0,1,1}

  {3,4}(1,1,0}  (OK)

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