Opened 3 years ago

Last modified 2 years ago

#28753 closed enhancement

Ramification Type for Rational Maps — at Version 1

Reported by: gh-aodesky Owned by:
Priority: minor Milestone: sage-9.1
Component: dynamics Keywords: rational functions, ramification, sd104
Cc: bhutz, tscrim Merged in:
Authors: Andrew O'Desky Reviewers:
Report Upstream: N/A Work issues:
Branch: Commit:
Dependencies: Stopgaps:

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Description (last modified by gh-aodesky)

Implement a method which returns the ramification type of a rational function. The ramification type is a list of lists of positive integers >2 defined by the pseudo code

def ram_type(self):

ram_types=list() for b in self.branch_points():

ram_inds=list() for c in F.preimage(b)

ram_inds.append(c)

ram_types.append(ram_inds)

return ram_types

Change History (1)

comment:1 Changed 3 years ago by gh-aodesky

  • Authors set to Andrew O'Desky
  • Component changed from PLEASE CHANGE to dynamics
  • Description modified (diff)
  • Keywords rational functions ramification added
  • Priority changed from major to minor
  • Type changed from PLEASE CHANGE to enhancement
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