#13214: Frobenius endomorphism over finite fields
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Reporter: caruso | Owner: AlexGhitza
Type: enhancement | Status: needs_review
Priority: major | Milestone: sage-5.11
Component: basic arithmetic | Resolution:
Keywords: frobenius finite fields | Work issues: does not build
Report Upstream: N/A | Reviewers: Paul Zimmermann
Authors: Xavier Caruso | Merged in:
Dependencies: #13184 | Stopgaps:
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Comment (by pbruin):
As for the differing purposes of the two approaches, there should probably
be two categories into which a finite field can be put:
- the category of all finite fields. In this category, between any two
objects there are either several morphisms or none at all, but no
canonical one.
- the category of finite subfields of a given algebraic closure of
'''F''',,''p'',,. In this category there is at most one morphism beteen
any two objects, namely the inclusion qua subfields of the given algebraic
closure.
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Ticket URL: <http://trac.sagemath.org/sage_trac/ticket/13214#comment:26>
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