#11709: FareySymbol
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Reporter: hmonien | Owner: craigcitro
Type: enhancement | Status: needs_work
Priority: major | Milestone: sage-4.7.2
Component: modular forms | Keywords: Farey symbol
Work_issues: | Upstream: N/A
Reviewer: Martin Raum | Author: Hartmut Monien
Merged: | Dependencies: None
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Comment(by hmonien):
Added a few checks for user code. The user subgroup is now check for a
!__contains!__ member and if this member returns bool. Removed some
unnecessary code: the rep member of farey_symbol etc.. Cleaned up the code
for the special case of SL2Z which now gives the correct coset and
generators.
Revised the SL2Z.hpp file: changed member function get_a(), get_b() ... to
a(), b(), c(), ... . Is the definition of SL2Z *= and /= correct now?
Added two file sage/plot/hyperbolic_arc.py and
sage/plot/hyperbolic_triangle.py for plots in the hyperbolic plane.
Added member fundamental_domain() to FareySymbol which plots the
fundamental domain.
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Ticket URL: <http://trac.sagemath.org/sage_trac/ticket/11709#comment:10>
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