dynkinType(DynkinDiagram) -- the Dynkin type of a Dynkin diagram

• Function: dynkinType

• Usage:

  dynkinType(D)

• Inputs:
  • D, an instance of the type DynkinDiagram,
• Outputs:
  • a list, of types of the connected components of the Dynkin diagram D

i1 : R=rootSystemE(6)++rootSystemA(4)++rootSystemB(3)++rootSystemA(4);

i2 : D=dynkinDiagram(R);

i3 : dynkinType(D)

o3 = DynkinType{{A, 4}, {A, 4}, {B, 3}, {E, 6}}

o3 : DynkinType