"Source: Text/Incidence/AlgSym.text";
"Line: 528";
"Date: Fri Sep 26 12:10:10 2025";
"Main: Fri Sep 26 14:29:19 2025";
// original file: Text/Incidence/AlgSym.text, line: 528
// Example: H159E5 ()
print "Example: H159E5";
ei := GetEchoInput();
SetEchoInput(true);
R := Integers();
M := SFAMonomial(R);
S := SFASchur(R);
P<X, Y> := PolynomialRing(R, 2);
f := X^2*Y + X*Y^2;
M!f;
S!f;
P!S.[1,1,1];
P<X, Y, Z> := PolynomialRing(R, 3);
P!M.[2,1];
P!S.[2,1];
P!(S.[2,1] - 2*S.[1,1,1]);
SetEchoInput(ei);
