#19552: images and preimages for projective subscheme
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Reporter: bhutz | Owner: bhutz
Type: enhancement | Status: new
Priority: minor | Milestone: sage-6.10
Component: algebraic geometry | Keywords: subscheme iteration
Merged in: | Authors:
Reviewers: | Report Upstream: N/A
Work issues: | Branch:
Commit: | Dependencies:
Stopgaps: |
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Compute the forward and inverse images for projective subschemes under
projective morphisms.
The forward image can be computed with an elimination calculation and the
preimage is simply composition with the map.
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Ticket URL: <http://trac.sagemath.org/ticket/19552>
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