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GradedLieAlgebras :: useLie

useLie -- changes the current Lie Algebra

Synopsis

Description

Usually the current Lie algebra changes when a construction of a new Lie algebra is performed. However, this is not so for minmodelLie.

i1 : L=lieAlgebra({a,b,c},genSigns=>{0,0,1},genWeights=>{{1,0},{1,0},{2,1}},diffl=>true)

o1 = L

o1 : LieAlgebra
i2 : L=diffLieAlgebra{L.zz,L.zz,a b}/{a a b, b b a}

o2 = L

o2 : LieAlgebra
i3 : M=minmodelLie 3

o3 = M

o3 : LieAlgebra
i4 : whichLie()

o4 = L

o4 : LieAlgebra
i5 : R=L.cache.extRepRing

o5 = R

o5 : PolynomialRing
i6 : L2=lieAlgebra{a,b}

o6 = L2

o6 : LieAlgebra
i7 : M2=minmodelLie 3

o7 = M2

o7 : LieAlgebra
i8 : S=L2.cache.extRepRing

o8 = S

o8 : PolynomialRing
i9 : useLie L

o9 = L

o9 : LieAlgebra
i10 : ext_0 ext_1

o10 = -ext
          2

o10 : R
i11 : useLie L2

o11 = L2

o11 : LieAlgebra
i12 : ext_0 ext_1

o12 = 0

o12 : S

See also

Ways to use useLie :