TorDegreeLimit(ZZ,Matrix,Module,ZZ) -- Computes the map Tor^i(source f,N)_{<=d} -> Tor^i(target f,N)_{<=d} induced by f.

Synopsis

• Usage:

  g=TorDegreeLimit(i,f,N,d)

• Function: TorDegreeLimit
• Inputs:

  • i, an integer
  • f, a matrix
  • N, a module
  • d, an integer
• Optional inputs:

  • printTimings => ..., -- a Boolean value, default value false, whether to print timings of the key steps of the function.
• Outputs:

  • g, a matrix,