Singular Manual: operatorAlgebra

| ##### 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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