vert -- The vertices of a face or complex.

Synopsis

• Usage:

  vert(F)

  vert(C)

• Inputs:
  • F, a face,
  • C, an embedded complex,
• Outputs:
  • a list,

Description

i1 : R=QQ[x_0..x_4];

i2 : addCokerGrading R;

              5        4
o2 : Matrix ZZ  <--- ZZ

i3 : C=simplex R;

i4 : vert C

o4 = {x , x , x , x , x }
       4   3   2   1   0

o4 : List

i5 : F=C.fc_2_0

o5 = x x x
      0 1 2

o5 : face with 3 vertices

i6 : vert F

o6 = {x , x , x }
       0   1   2

o6 : List

See also

• coordinates -- The coordinates of a face.