#12170: Genus computation (using singular) and _singular_ object for function
filed
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Reporter: sydahmad | Owner: AlexGhitza
Type: enhancement | Status: needs_work
Priority: minor | Milestone: sage-5.0
Component: algebraic geometry | Keywords: function field, genus,
singular
Work_issues: | Upstream: N/A
Reviewer: | Author: Syed Ahmad Lavasani
Merged: | Dependencies: #9054
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Comment(by saraedum):
Thinking about this, is_RationalFunctionField()/is_rational() is probably
not the right name. Take QQ(x) and the extension given by y^2=x then that
gives you a rational function field but probably that's not what you want
there. In this case what you actually want is probably one implementation
in RationalFunctionField (returning 0) and one in FunctionField_polymod
(calling singular).
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Ticket URL: <http://trac.sagemath.org/sage_trac/ticket/12170#comment:8>
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