//SINGULAR ExampleA.9.4 LIB "sing.lib"; ring r = 0,(x,y,z),ds; //local ring poly f = x7+y7+(x-y)^2*x2y2+z2; milnor(f); tjurina(f); ring R = 0,(x,y,z),dp; //affine ring poly f = x7+y7+(x-y)^2*x2y2+z2; milnor(f); tjurina(f);