elementarySymmetric(PolynomialRing) -- elementary symmetric polynomials algebra

Synopsis

• Usage:

  elementalSymm R

• Function: elementarySymmetric
• Inputs:

  • R, a polynomial ring, aPolynomialRing
• Outputs:

  • a map from R adjoin the elementary symmetric functions e_i to R

Description

i1 : n=5;

i2 : R=QQ[x_1..x_n];

i3 : elementarySymmetric R

o3 = map(S,R,{x , x , x , x , x })
               1   2   3   4   5

o3 : RingMap S <--- R