#14217: basic iteration functionality for affine and projective morphisms
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Reporter: bhutz | Owner:
bhutz
Type: enhancement | Status:
needs_review
Priority: major | Milestone:
sage-5.10
Component: algebraic geometry | Resolution:
Keywords: iteration, dynamics, projective, affine | Work issues:
Report Upstream: N/A | Reviewers:
Authors: Ben Hutz | Merged in:
Dependencies: #13130 | Stopgaps:
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Comment (by atowsley):
It passed the long test. Other than that I found two functionality issues
and a documentation issue.
The documentation issue: There should be examples for dynatomic
polynomials when the base ring is a polynomial ring.
The functionality issues:
1) The dynatomic polynomial function doesn't work when the base ring is a
polynomial ring over a function field.
2) The dynatomic polynomial function doesn't work when the base ring is
GF(p)[t] or QQ[t] and the map is not isotrivial. (for example f = x^2 + 3
works, but f = x^2 + t doesn't). However isotrivial maps in ZZ[t], RR[t],
and CC[t] seem to work.
--
Ticket URL: <http://trac.sagemath.org/sage_trac/ticket/14217#comment:13>
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