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cartanMatrix -- Provide the Cartan matrix of a simple Lie algebra

Description

i1 : g=simpleLieAlgebra("G",2)

o1 = g

o1 : simple LieAlgebra
 
i2 : cartanMatrix g

o2 = | 2  -1 |
     | -3 2  |

              2       2
o2 : Matrix ZZ  <-- ZZ

Ways to use cartanMatrix:

  • cartanMatrix(LieAlgebra)

For the programmer

The object cartanMatrix is a method function.

The source of this document is in LieTypes.m2:2487:0.