dynkinType(BasicList) -- constructing a Dynkin type

• Function: dynkinType

• Usage:

  dynkinType(L)

• Inputs:
  • L, a basic list, of irreducible types that are lists containing a string of one letter from A to F and a positive integer, the rank
• Outputs:
  • an instance of the type DynkinType,

i1 : dynkinType({{"A",2},{"B",3}})

o1 = DynkinType{{A, 2}, {B, 3}}

o1 : DynkinType

i2 : dynkinType({{"A",2},{"B",1}})

o2 = DynkinType{{A, 2}, {A, 1}}

o2 : DynkinType

i3 : dynkinType({{"A",2},{"C",2}})

o3 = DynkinType{{A, 2}, {B, 2}}

o3 : DynkinType

i4 : dynkinType({{"A",2},{"D",2}})

o4 = DynkinType{{A, 2}, {A, 1}, {A, 1}}

o4 : DynkinType