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Fusion ring refactoring #35501

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Fusion ring refactoring #35501

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c9c7761
first stab at re-factoring fusion ring code. doc tests pass except fo…
willieab Apr 12, 2023
a0ed4c3
updating concrete class names and FusionRing usage to be consistent w…
willieab Apr 12, 2023
a0b7d6a
edit docstring to FusionRing
dwbmscz Apr 13, 2023
33b6348
Merge pull request #1 from dwbump/refactor
willieab Apr 13, 2023
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5 changes: 2 additions & 3 deletions src/sage/algebras/fusion_rings/all.py
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Original file line number Diff line number Diff line change
Expand Up @@ -2,7 +2,7 @@
Fusion Rings
"""
# ****************************************************************************
# Copyright (C) 2022 Guillermo Aboumrad <gh_willieab>
# Copyright (C) 2023 Guillermo Aboumrad <gh_willieab>
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
Expand All @@ -13,5 +13,4 @@

from sage.misc.lazy_import import lazy_import

lazy_import('sage.algebras.fusion_rings.fusion_ring', ['FusionRing'])
lazy_import('sage.algebras.fusion_rings.fusion_double', ['FusionDouble'])
lazy_import('sage.algebras.fusion_rings.generic_fusion_ring', ['FusionRing'])
2 changes: 1 addition & 1 deletion src/sage/algebras/fusion_rings/f_matrix.py
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Expand Up @@ -1865,7 +1865,7 @@ def attempt_number_field_computation(self):
undertake a :func:`NumberField` computation.
"""
ct = self._FR.cartan_type()
k = self._FR._k
k = self._FR.fusion_level()
# Don't try when k is large and odd for SU(2)_k
if ct.letter == 'A':
if ct.n == 1 and k >= 9 and k % 2:
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