face -- Generate a face.

• Usage:

  face(L)

  face(L,R)

  face(m)

• Inputs:
  • L, a list,
  • R, a polynomial ring,
  • m, a ring element, a monomial
• Outputs:
  • an instance of the type Face,

i1 : K=QQ;

i2 : R=K[x_0..x_4];

i3 : F=face {x_0,x_1}

o3 = x  x  
      0  1

o3 : face with 2 vertices in R