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Nov 5, 2023
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sage.combinat: Update # needs #36619

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a4513e8
More # optional
mkoeppe Jun 11, 2023
0c7ac91
src/sage/combinat/crystals/affine_factorization.py: Fix import
mkoeppe Jun 17, 2023
f5342b6
src/sage/combinat/crystals/littelmann_path.py: Fix import
mkoeppe Jun 17, 2023
d145d3e
./sage -fixdoctests --only-tags src/sage/combinat/permutation.py
mkoeppe Jun 30, 2023
2a06034
Update # optional / # needs
mkoeppe Jul 1, 2023
c3f3140
sage.combinat: Update # optional / # needs
mkoeppe Jul 2, 2023
a770279
./sage -fixdoctests --distribution sagemath-categories --only-tags sr…
mkoeppe Jul 13, 2023
d804ab1
Update # needs
mkoeppe Jul 13, 2023
6367a85
sage.combinat: Update # needs
mkoeppe Jul 14, 2023
ba19b1e
Update # needs
mkoeppe Jul 16, 2023
7a99364
sage.combinat: Update # needs
mkoeppe Aug 7, 2023
11f2bc3
src/sage/combinat: sage -fixdoctests --only-tags
mkoeppe Aug 8, 2023
d45c3fa
sage.combinat: Update # needs
mkoeppe Aug 27, 2023
d1612b3
sage.combinat: Update # needs
mkoeppe Sep 3, 2023
3d26a52
sage.combinat: Update # needs
mkoeppe Sep 9, 2023
83ed6a3
sage.combinat: Update # needs
mkoeppe Sep 9, 2023
c323d79
src/sage/combinat/symmetric_group_algebra.py: Use lazy_import
mkoeppe Sep 10, 2023
c9a4c5b
sage.combinat: Update # needs
mkoeppe Sep 10, 2023
9c40296
sage.combinat: Update # needs
mkoeppe Sep 16, 2023
e9e8859
sage.combinat: Update # needs
mkoeppe Sep 23, 2023
f18a745
sage.combinat: Use more block tags
mkoeppe Nov 1, 2023
da93fef
sage.combinat: Use even more block tags
mkoeppe Nov 1, 2023
59b2fbe
src/sage/combinat/permutation.py: Fix up cherry-pick
mkoeppe Nov 1, 2023
9d26e03
src/sage/combinat/path_tableaux/frieze.py: Fix doctest fix
mkoeppe Nov 1, 2023
108a6f8
src/sage/combinat/plane_partition.py: Fix cherry pick
mkoeppe Nov 1, 2023
a5e3437
src/sage/combinat/subword_complex*.p*: Fix placement of '# optional'
mkoeppe Nov 1, 2023
5192865
src/sage/combinat/partition.py: Reorder some doctests for more block …
mkoeppe Nov 2, 2023
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2 changes: 1 addition & 1 deletion src/sage/combinat/backtrack.py
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Expand Up @@ -63,7 +63,7 @@ def __iter__(self):

sage: from sage.combinat.permutation import PatternAvoider
sage: p = PatternAvoider(Permutations(4), [[1,3,2]])
sage: len(list(p)) # optional - sage.combinat
sage: len(list(p)) # needs sage.combinat
14
"""
# Initialize the stack of generators with the initial data.
Expand Down
7 changes: 4 additions & 3 deletions src/sage/combinat/baxter_permutations.py
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Expand Up @@ -332,11 +332,12 @@ def to_pair_of_twin_binary_trees(self, p):

EXAMPLES::

sage: BaxterPermutations().to_pair_of_twin_binary_trees(Permutation([]))
sage: BP = BaxterPermutations()
sage: BP.to_pair_of_twin_binary_trees(Permutation([])) # needs sage.graphs
(., .)
sage: BaxterPermutations().to_pair_of_twin_binary_trees(Permutation([1, 2, 3]))
sage: BP.to_pair_of_twin_binary_trees(Permutation([1, 2, 3])) # needs sage.graphs
(1[., 2[., 3[., .]]], 3[2[1[., .], .], .])
sage: BaxterPermutations().to_pair_of_twin_binary_trees(Permutation([3, 4, 1, 2]))
sage: BP.to_pair_of_twin_binary_trees(Permutation([3, 4, 1, 2])) # needs sage.graphs
(3[1[., 2[., .]], 4[., .]], 2[1[., .], 4[3[., .], .]])
"""
from sage.combinat.binary_tree import LabelledBinaryTree
Expand Down
14 changes: 7 additions & 7 deletions src/sage/combinat/binary_recurrence_sequences.py
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Expand Up @@ -35,7 +35,7 @@
True
sage: T.is_geometric()
True
sage: T.pthpowers(7, 10**30) # optional - sage.symbolic
sage: T.pthpowers(7, 10**30) # needs sage.symbolic
Traceback (most recent call last):
...
ValueError: the degenerate binary recurrence sequence is geometric or quasigeometric
Expand Down Expand Up @@ -548,7 +548,7 @@ def pthpowers(self, p, Bound):
True
sage: T.is_geometric()
True
sage: T.pthpowers(7, 10**30) # optional - sage.symbolic
sage: T.pthpowers(7, 10**30) # needs sage.symbolic
Traceback (most recent call last):
...
ValueError: the degenerate binary recurrence sequence is geometric or
Expand All @@ -559,7 +559,7 @@ def pthpowers(self, p, Bound):
[2, 2, 2^3, 2^5, 2^7, 2^9, 2^11, 2^13, 2^15, 2^17]
sage: L.is_quasigeometric()
True
sage: L.pthpowers(2, 10**30) # optional - sage.symbolic
sage: L.pthpowers(2, 10**30) # needs sage.symbolic
[]

.. NOTE::
Expand Down Expand Up @@ -1057,7 +1057,7 @@ def _estimated_time(M2, M1, length, p):
EXAMPLES::

sage: from sage.combinat.binary_recurrence_sequences import _estimated_time
sage: _estimated_time(2**4*3**2*5*7*11*13*17, 2**4*3**2*5*7*11*13, 20, 7) # optional - sage.symbolic
sage: _estimated_time(2**4*3**2*5*7*11*13*17, 2**4*3**2*5*7*11*13, 20, 7) # needs sage.symbolic
106.211159309421

"""
Expand Down Expand Up @@ -1093,7 +1093,7 @@ def _find_cong1(p, R, ell):
EXAMPLES::

sage: R = BinaryRecurrenceSequence(1,1)
sage: sage.combinat.binary_recurrence_sequences._find_cong1(7, R, 29) # optional - sage.rings.finite_rings
sage: sage.combinat.binary_recurrence_sequences._find_cong1(7, R, 29) # needs sage.rings.finite_rings
([0, 1, 2, 12, 13], 14)
"""
F = GF(ell)
Expand Down Expand Up @@ -1143,9 +1143,9 @@ def _is_p_power(a, p):

EXAMPLES::

sage: sage.combinat.binary_recurrence_sequences._is_p_power(2**7, 7) # optional - sage.symbolic
sage: sage.combinat.binary_recurrence_sequences._is_p_power(2**7, 7) # needs sage.symbolic
True
sage: sage.combinat.binary_recurrence_sequences._is_p_power(2**7*3**2, 7) # optional - sage.symbolic
sage: sage.combinat.binary_recurrence_sequences._is_p_power(2**7*3**2, 7) # needs sage.symbolic
False
"""
return int(a**(1/p))**p == a
Expand Down
148 changes: 77 additions & 71 deletions src/sage/combinat/binary_tree.py
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24 changes: 12 additions & 12 deletions src/sage/combinat/cartesian_product.py
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Expand Up @@ -51,27 +51,27 @@ class for ``cartesian_product``;

sage: F1 = ['a', 'b']
sage: F2 = [1, 2, 3, 4]
sage: F3 = Permutations(3) # optional - sage.combinat
sage: F3 = Permutations(3)
sage: from sage.combinat.cartesian_product import CartesianProduct_iters
sage: C = CartesianProduct_iters(F1, F2, F3) # optional - sage.combinat
sage: c = cartesian_product([F1, F2, F3]) # optional - sage.combinat
sage: C = CartesianProduct_iters(F1, F2, F3)
sage: c = cartesian_product([F1, F2, F3])

sage: type(C.an_element()) # optional - sage.combinat
sage: type(C.an_element())
<class 'list'>
sage: type(c.an_element()) # optional - sage.combinat
sage: type(c.an_element())
<class 'sage.sets.cartesian_product.CartesianProduct_with_category.element_class'>

sage: l = ['a', 1, Permutation([3,2,1])] # optional - sage.combinat
sage: l in C # optional - sage.combinat
sage: l = ['a', 1, Permutation([3,2,1])]
sage: l in C
True
sage: l in c # optional - sage.combinat
sage: l in c
False
sage: elt = c(l) # optional - sage.combinat
sage: elt # optional - sage.combinat
sage: elt = c(l)
sage: elt
('a', 1, [3, 2, 1])
sage: elt in c # optional - sage.combinat
sage: elt in c
True
sage: elt.parent() is c # optional - sage.combinat
sage: elt.parent() is c
True
"""

Expand Down
51 changes: 27 additions & 24 deletions src/sage/combinat/cluster_algebra_quiver/mutation_class.py
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Expand Up @@ -76,10 +76,10 @@ def _digraph_mutate(dg, k, frozen=None):

sage: from sage.combinat.cluster_algebra_quiver.mutation_class import _digraph_mutate
sage: from sage.combinat.cluster_algebra_quiver.quiver import ClusterQuiver
sage: dg = ClusterQuiver(['A',4]).digraph()
sage: dg.edges(sort=True)
sage: dg = ClusterQuiver(['A',4]).digraph() # needs sage.modules
sage: dg.edges(sort=True) # needs sage.modules
[(0, 1, (1, -1)), (2, 1, (1, -1)), (2, 3, (1, -1))]
sage: _digraph_mutate(dg,2).edges(sort=True)
sage: _digraph_mutate(dg,2).edges(sort=True) # needs sage.modules
[(0, 1, (1, -1)), (1, 2, (1, -1)), (3, 2, (1, -1))]

TESTS::
Expand Down Expand Up @@ -208,31 +208,31 @@ def _dg_canonical_form(dg, frozen=None):
EXAMPLES::

sage: from sage.combinat.cluster_algebra_quiver.mutation_class import _dg_canonical_form
sage: dg = ClusterQuiver(['B',4]).digraph(); dg.edges(sort=True)
sage: dg = ClusterQuiver(['B',4]).digraph(); dg.edges(sort=True) # needs sage.modules
[(0, 1, (1, -1)), (2, 1, (1, -1)), (2, 3, (1, -2))]
sage: _dg_canonical_form(dg); dg.edges(sort=True)
sage: _dg_canonical_form(dg); dg.edges(sort=True) # needs sage.modules
({0: 0, 1: 3, 2: 1, 3: 2}, [[0], [3], [1], [2]])
[(0, 3, (1, -1)), (1, 2, (1, -2)), (1, 3, (1, -1))]

TESTS::

sage: dg2 = ClusterQuiver(DiGraph({0:[1,2]})).digraph()
sage: _dg_canonical_form(dg2); dg2.edges(sort=True)
sage: dg2 = ClusterQuiver(DiGraph({0:[1,2]})).digraph() # needs sage.modules
sage: _dg_canonical_form(dg2); dg2.edges(sort=True) # needs sage.modules
({0: 0, 1: 1, 2: 2}, [[0], [1, 2]])
[(0, 1, (1, -1)), (0, 2, (1, -1))]

sage: dg2 = ClusterQuiver(DiGraph({0:[1,2]})).digraph()
sage: _dg_canonical_form(dg2, frozen=[0]); dg2.edges(sort=True)
sage: dg2 = ClusterQuiver(DiGraph({0:[1,2]})).digraph() # needs sage.modules
sage: _dg_canonical_form(dg2, frozen=[0]); dg2.edges(sort=True) # needs sage.modules
({0: 2, 1: 0, 2: 1}, [[2], [0, 1]])
[(2, 0, (1, -1)), (2, 1, (1, -1))]

sage: dg3 = ClusterQuiver(DiGraph({0:[1,2],1:[3]})).digraph()
sage: _dg_canonical_form(dg3, frozen=[0,3]); dg3.edges(sort=True)
sage: dg3 = ClusterQuiver(DiGraph({0:[1,2],1:[3]})).digraph() # needs sage.modules
sage: _dg_canonical_form(dg3, frozen=[0,3]); dg3.edges(sort=True) # needs sage.modules
({0: 2, 1: 1, 2: 0, 3: 3}, [[2], [1], [0], [3]])
[(1, 3, (1, -1)), (2, 0, (1, -1)), (2, 1, (1, -1))]

sage: dg3 = ClusterQuiver(DiGraph({2:[1,3],1:[0],3:[4]})).digraph()
sage: _dg_canonical_form(dg3, frozen=[4,0]); dg3.edges(sort=True)
sage: dg3 = ClusterQuiver(DiGraph({2:[1,3],1:[0],3:[4]})).digraph() # needs sage.modules
sage: _dg_canonical_form(dg3, frozen=[4,0]); dg3.edges(sort=True) # needs sage.modules
({0: 4, 1: 1, 2: 0, 3: 2, 4: 3}, [[4, 3], [1, 2], [0]])
[(0, 1, (1, -1)), (0, 2, (1, -1)), (1, 4, (1, -1)), (2, 3, (1, -1))]
"""
Expand Down Expand Up @@ -292,6 +292,7 @@ def _mutation_class_iter( dg, n, m, depth=infinity, return_dig6=False, show_dept

EXAMPLES::

sage: # needs sage.modules
sage: from sage.combinat.cluster_algebra_quiver.mutation_class import _mutation_class_iter
sage: from sage.combinat.cluster_algebra_quiver.quiver import ClusterQuiver
sage: dg = ClusterQuiver(['A',[1,2],1]).digraph()
Expand Down Expand Up @@ -392,8 +393,8 @@ def _digraph_to_dig6( dg, hashable=False ):

sage: from sage.combinat.cluster_algebra_quiver.mutation_class import _digraph_to_dig6
sage: from sage.combinat.cluster_algebra_quiver.quiver import ClusterQuiver
sage: dg = ClusterQuiver(['A',4]).digraph()
sage: _digraph_to_dig6(dg)
sage: dg = ClusterQuiver(['A',4]).digraph() # needs sage.modules
sage: _digraph_to_dig6(dg) # needs sage.modules
('COD?', {})
"""
dig6 = dg.dig6_string()
Expand All @@ -416,6 +417,7 @@ def _dig6_to_digraph( dig6 ):

EXAMPLES::

sage: # needs sage.modules
sage: from sage.combinat.cluster_algebra_quiver.mutation_class import _digraph_to_dig6
sage: from sage.combinat.cluster_algebra_quiver.mutation_class import _dig6_to_digraph
sage: from sage.combinat.cluster_algebra_quiver.quiver import ClusterQuiver
Expand Down Expand Up @@ -451,8 +453,8 @@ def _dig6_to_matrix( dig6 ):

sage: from sage.combinat.cluster_algebra_quiver.mutation_class import _digraph_to_dig6, _dig6_to_matrix
sage: from sage.combinat.cluster_algebra_quiver.quiver import ClusterQuiver
sage: dg = ClusterQuiver(['A',4]).digraph()
sage: data = _digraph_to_dig6(dg)
sage: dg = ClusterQuiver(['A',4]).digraph() # needs sage.modules
sage: data = _digraph_to_dig6(dg) # needs sage.modules
sage: _dig6_to_matrix(data) # needs sage.modules
[ 0 1 0 0]
[-1 0 -1 0]
Expand All @@ -474,14 +476,15 @@ def _dg_is_sink_source( dg, v ):

EXAMPLES::

sage: # needs sage.modules
sage: from sage.combinat.cluster_algebra_quiver.mutation_class import _dg_is_sink_source
sage: from sage.combinat.cluster_algebra_quiver.quiver import ClusterQuiver
sage: dg = ClusterQuiver(['A',[1,2],1]).digraph()
sage: _dg_is_sink_source(dg, 0 )
sage: _dg_is_sink_source(dg, 0)
True
sage: _dg_is_sink_source(dg, 1 )
sage: _dg_is_sink_source(dg, 1)
True
sage: _dg_is_sink_source(dg, 2 )
sage: _dg_is_sink_source(dg, 2)
False
"""
in_edges = [ edge for edge in dg._backend.iterator_in_edges([v],True) ]
Expand All @@ -504,9 +507,9 @@ def _graph_without_edge_labels(dg, vertices):

sage: from sage.combinat.cluster_algebra_quiver.mutation_class import _graph_without_edge_labels
sage: from sage.combinat.cluster_algebra_quiver.quiver import ClusterQuiver
sage: dg = ClusterQuiver(['B',4]).digraph(); dg.edges(sort=True)
sage: dg = ClusterQuiver(['B',4]).digraph(); dg.edges(sort=True) # needs sage.modules
[(0, 1, (1, -1)), (2, 1, (1, -1)), (2, 3, (1, -2))]
sage: _graph_without_edge_labels(dg, range(4)); dg.edges(sort=True)
sage: _graph_without_edge_labels(dg, range(4)); dg.edges(sort=True) # needs sage.modules
([[4]], ((1, -2),))
[(0, 1, (1, -1)), (2, 1, (1, -1)), (2, 4, (1, -1)), (4, 3, (1, -1))]
"""
Expand Down Expand Up @@ -542,10 +545,10 @@ def _has_two_cycles( dg ):
EXAMPLES::

sage: from sage.combinat.cluster_algebra_quiver.mutation_class import _has_two_cycles
sage: _has_two_cycles( DiGraph([[0,1],[1,0]]))
sage: _has_two_cycles(DiGraph([[0,1],[1,0]]))
True
sage: from sage.combinat.cluster_algebra_quiver.quiver import ClusterQuiver
sage: _has_two_cycles( ClusterQuiver(['A',3]).digraph() )
sage: _has_two_cycles(ClusterQuiver(['A',3]).digraph()) # needs sage.modules
False
"""
edge_set = dg.edges(sort=True, labels=False)
Expand Down
15 changes: 10 additions & 5 deletions src/sage/combinat/cluster_algebra_quiver/mutation_type.py
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Expand Up @@ -55,14 +55,15 @@ def is_mutation_finite(M, nr_of_checks=None):

sage: from sage.combinat.cluster_algebra_quiver.mutation_type import is_mutation_finite

sage: Q = ClusterQuiver(['A',10])
sage: Q = ClusterQuiver(['A',10]) # needs sage.modules
sage: M = Q.b_matrix() # needs sage.modules
sage: is_mutation_finite(M) # needs sage.modules
(True, None)

sage: # needs sage.modules
sage: Q = ClusterQuiver([(0,1),(1,2),(2,3),(3,4),(4,5),(5,6),(6,7),(7,8),(2,9)])
sage: M = Q.b_matrix() # needs sage.modules
sage: is_mutation_finite(M) # random # needs sage.modules
sage: M = Q.b_matrix()
sage: is_mutation_finite(M) # random
(False, [9, 6, 9, 8, 9, 4, 0, 4, 5, 2, 1, 0, 1, 0, 7, 1, 9, 2, 5, 7, 8, 6, 3, 0, 2, 5, 4, 2, 6, 9, 2, 7, 3, 5, 3, 7, 9, 5, 9, 0, 2, 7, 9, 2, 4, 2, 1, 6, 9, 4, 3, 5, 0, 8, 2, 9, 5, 3, 7, 0, 1, 8, 3, 7, 2, 7, 3, 4, 8, 0, 4, 9, 5, 2, 8, 4, 8, 1, 7, 8, 9, 1, 5, 0, 8, 7, 4, 8, 9, 8, 0, 7, 4, 7, 1, 2, 8, 6, 1, 3, 9, 3, 9, 1, 3, 2, 4, 9, 5, 1, 2, 9, 4, 8, 5, 3, 4, 6, 8, 9, 2, 5, 9, 4, 6, 2, 1, 4, 9, 6, 0, 9, 8, 0, 4, 7, 9, 2, 1, 6])

Check that :trac:`19495` is fixed::
Expand Down Expand Up @@ -100,6 +101,7 @@ def _triangles(dg):

EXAMPLES::

sage: # needs sage.modules
sage: from sage.combinat.cluster_algebra_quiver.mutation_type import _triangles
sage: Q = ClusterQuiver(['A',3])
sage: _triangles(Q.digraph())
Expand Down Expand Up @@ -154,6 +156,7 @@ def _all_induced_cycles_iter( dg ):

EXAMPLES::

sage: # needs sage.modules
sage: from sage.combinat.cluster_algebra_quiver.mutation_type import _all_induced_cycles_iter
sage: Q = ClusterQuiver(['A',[6,0],1]); Q
Quiver on 6 vertices of type ['D', 6]
Expand Down Expand Up @@ -220,6 +223,7 @@ def _reset_dg(dg, vertices, dict_in_out, del_vertices):

EXAMPLES::

sage: # needs sage.modules
sage: from sage.combinat.cluster_algebra_quiver.mutation_type import _reset_dg
sage: dg = ClusterQuiver(['A',[2,2],1]).digraph(); dg
Digraph on 4 vertices
Expand Down Expand Up @@ -326,6 +330,7 @@ def _connected_mutation_type(dg):

EXAMPLES::

sage: # needs sage.modules
sage: from sage.combinat.cluster_algebra_quiver.mutation_type import _connected_mutation_type
sage: from sage.combinat.cluster_algebra_quiver.quiver import ClusterQuiver
sage: dg = ClusterQuiver(['A',3]).digraph(); _connected_mutation_type( dg )
Expand Down Expand Up @@ -820,15 +825,14 @@ def _connected_mutation_type_AAtildeD(dg, ret_conn_vert=False):

EXAMPLES::

sage: # needs sage.modules
sage: from sage.combinat.cluster_algebra_quiver.mutation_type import _connected_mutation_type_AAtildeD
sage: Q = ClusterQuiver(['A',[7,0],1]); Q.mutate([0,1,4])
sage: _connected_mutation_type_AAtildeD(Q.digraph(),ret_conn_vert=True)
[['D', 7], [0, 4]]

sage: Q2 = ClusterQuiver(['A',[5,2],1]); Q2.mutate([4,5])
sage: _connected_mutation_type_AAtildeD(Q2.digraph() )
['A', [2, 5], 1]

sage: Q3 = ClusterQuiver(['E',6]); Q3.mutate([5,2,1])
sage: _connected_mutation_type_AAtildeD(Q3.digraph(),ret_conn_vert=True)
'unknown'
Expand Down Expand Up @@ -1305,6 +1309,7 @@ def _mutation_type_from_data( n, dig6, compute_if_necessary=True ):

EXAMPLES::

sage: # needs sage.modules
sage: from sage.combinat.cluster_algebra_quiver.mutation_class import _digraph_to_dig6
sage: from sage.combinat.cluster_algebra_quiver.mutation_type import _mutation_type_from_data
sage: from sage.combinat.cluster_algebra_quiver.quiver import ClusterQuiver
Expand Down
8 changes: 4 additions & 4 deletions src/sage/combinat/cluster_algebra_quiver/quiver.py
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Expand Up @@ -2150,18 +2150,17 @@ def d_vector_fan(self):

EXAMPLES::

sage: # needs sage.geometry.polyhedron sage.libs.singular
sage: Fd = ClusterQuiver([[1,2]]).d_vector_fan(); Fd
Rational polyhedral fan in 2-d lattice N
sage: Fd.ngenerating_cones()
5

sage: Fd = ClusterQuiver([[1,2],[2,3]]).d_vector_fan(); Fd
Rational polyhedral fan in 3-d lattice N
sage: Fd.ngenerating_cones()
14
sage: Fd.is_smooth()
True

sage: Fd = ClusterQuiver([[1,2],[2,3],[3,1]]).d_vector_fan(); Fd
Rational polyhedral fan in 3-d lattice N
sage: Fd.ngenerating_cones()
Expand All @@ -2176,12 +2175,13 @@ def d_vector_fan(self):
...
ValueError: only makes sense for quivers of finite type
"""
if not(self.is_finite()):
raise ValueError('only makes sense for quivers of finite type')

from .cluster_seed import ClusterSeed
from sage.geometry.fan import Fan
from sage.geometry.cone import Cone

if not (self.is_finite()):
raise ValueError('only makes sense for quivers of finite type')
seed = ClusterSeed(self)
return Fan([Cone(s.d_matrix().columns())
for s in seed.mutation_class()])
Expand Down
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