chern(ZZ,ChernClassVariableTable) -- get value of a Chern class variable

• Function: chern

• Usage:

  chern_i E

• Inputs:
  • i, an integer,
  • E, an instance of the type ChernClassVariableTable,
• Outputs:
  • a ring element, the value of the Chern class variable chern_i E

i1 : chern_3 E <- 44

o1 = 44

i2 : E

o2 = E

o2 : ChernClassVariableTable

i3 : chern_3 E

o3 = 44