#18309: Categories are wrong for Hom/cartesian products of vector spaces
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Reporter: vdelecroix | Owner:
Type: defect | Status: new
Priority: major | Milestone: sage-6.7
Component: categories | Keywords:
Merged in: | Authors:
Reviewers: | Report Upstream: N/A
Work issues: | Branch:
Commit: | Dependencies:
Stopgaps: |
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{{{
sage: cartesian_product([GF(3)^2, GF(7)^3])
The cartesian product of (
Vector space of dimension 2 over Finite Field of size 3,
Vector space of dimension 3 over Finite Field of size 7)
sage: _.category()
Category of Cartesian products of vector spaces with basis over
(finite fields and subquotients of monoids and quotients of semigroups)
}}}
and
{{{
sage: Hom(GF(3)^2, GF(7)^3)
Set of Morphisms (Linear Transformations) from
Vector space of dimension 2 over Finite Field of size 3
to
Vector space of dimension 3 over Finite Field of size 7
sage: _.category()
Category of homsets of modules with basis over
(finite fields and subquotients of monoids and quotients of semigroups)
}}}
see also: #16940
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Ticket URL: <http://trac.sagemath.org/ticket/18309>
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