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7.7.8.0. operatorAlgebra
Procedure from library fpalgebras.lib (see fpalgebras_lib).
- Usage:
- operatorAlgebra(a,d); a a string, d an integer
- Return:
- ring
- Note:
- - the ring contains the ideal I, which contains the required relations
- a gives the name of the algebra
- d gives the degreebound for the Letterplace ring
a must be one of the following:
integrodiff3
toeplitz
weyl1
usl2
usl2h
shift1inverse
exterior2
quadrowmm
shift1
weyl1inverse
This is a collection of common algebras
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