#15378: composition of scheme morphism defined by polynomials
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Reporter: vdelecroix | Owner:
Type: PLEASE CHANGE | Status: new
Priority: major | Milestone: sage-5.13
Component: PLEASE CHANGE | Keywords:
Merged in: | Authors:
Reviewers: | Report Upstream: N/A
Work issues: | Branch:
Commit: | Dependencies:
Stopgaps: |
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Currently the following fails
{{{
sage: P.<x,y>=ProjectiveSpace(QQ,1)
sage: H=Hom(P,P)
sage: f=H([x^2 -29/16*y^2, y^2])
sage: f*f
Traceback (most recent call last):
...
TypeError: unsupported operand type(s) for *:
'SchemeMorphism_polynomial_projective_space_field' and
'SchemeMorphism_polynomial_projective_space_field'
}}}
We just propose a generic implementation.
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Ticket URL: <http://trac.sagemath.org/ticket/15378>
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