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46 questions
Tagged
combinatorics
×
38
views
1
answer
no
votes
2021-01-05 19:54:45 -0600
dan_fulea
Not getting correct output while computing posets with some conditions.
posets
combinatorics
105
views
2
answers
no
votes
2020-08-06 04:08:36 -0600
dan_fulea
Built-in tools for fast extraction of tuples of a given grade with respect to grading on [1, 2, ..., n]
combinatorics
114
views
1
answer
no
votes
2020-06-02 02:48:06 -0600
slelievre
Removing some element of a list according to the zero of another
combinatorics
111
views
1
answer
1
vote
2020-04-25 04:51:33 -0600
Sébastien
Attribute error: "'Graphics' object has no attribute 'get_pos'" with plotting Hasse diagram of poset
AttributeError
Poset
plot
combinatorics
163
views
1
answer
1
vote
2019-11-08 08:28:53 -0600
joakim_uhlin
Major index of skew-SYT
tableau
combinatorics
169
views
1
answer
no
votes
2019-09-05 01:36:52 -0600
Emmanuel Charpentier
How did simplify_full() manipulate this expression?
symbolic-expression
simplify_full
combinatorics
505
views
2
answers
1
vote
2019-08-27 15:28:23 -0600
Jonathan Kliem
Forming a polytope from only its combinatorial data
polytope
combinatorics
69
views
2
answers
no
votes
2019-08-20 16:36:55 -0600
joakim_uhlin
Checking identity of two combinatorial expressions
combinatorics
binomial
identity
symbolic-expression
126
views
1
answer
2
votes
2019-04-11 08:33:37 -0600
joakim_uhlin
Constructing all NE-lattice paths from $(0,0)$ to $(m,n)$
DyckWords
LatticePaths
NEpaths
combinatorics
81
views
1
answer
1
vote
2019-04-11 03:15:00 -0600
rburing
Setting t=0 in a non-symmetric E-Macdonald polynomial
polynomials
combinatorics
Fillings
146
views
2
answers
2
votes
2018-08-04 08:30:18 -0600
Sébastien
Words avoiding patterns
words
combinatorics
iterable
68
views
no
answers
1
vote
2018-06-25 14:12:25 -0600
ml9nn
codomain could not be determined
morphism
combinatorics
coercion
112
views
1
answer
5
votes
2018-04-15 13:16:25 -0600
tmonteil
Posets(10) freezing
Poset
combinatorics
95
views
1
answer
1
vote
2018-03-31 19:35:06 -0600
tmonteil
Combinatorial Species of Phylogenetic Trees
combinatorics
Species
556
views
2
answers
3
votes
2017-10-09 08:59:14 -0600
jipilab
combinatorial equivalence for Polyhedra / isomorphism for lattices
polyhedra
face_lattice
combinatorics
183
views
1
answer
no
votes
2017-03-16 23:25:00 -0600
fidbc
Sage code that receives a symmetric partition as an input and returns the corresponding partition with odd parts.
combinatorics
91
views
1
answer
no
votes
2016-09-07 11:47:56 -0600
Peter Luschny
DyckWords: workaround for from_ordered_tree?
combinatorics
DyckWords
334
views
1
answer
1
vote
2016-07-04 10:37:26 -0600
fagui
OrderedSetPartitions (variant)
combinatorics
iterations
3k
views
1
answer
1
vote
2015-11-24 08:59:13 -0600
vdelecroix
How to draw special trees from a list consisting of tuples with Sage?
graphics
tree
combinatorics
diagram
429
views
2
answers
2
votes
2015-10-27 04:09:17 -0600
pang
A proper combinatorics tutorial?
combinatorics
tutorial
worksheet
66
views
1
answer
no
votes
2015-07-30 16:09:17 -0600
tmonteil
Some combinatorial lists related to partitions.
partitions
combinatorics
258
views
1
answer
no
votes
2015-07-13 12:46:53 -0600
Peter Luschny
Seeking an efficient filter for partitions.
combinatorics
partitions
152
views
2
answers
1
vote
2015-01-05 08:24:48 -0600
slelievre
Error in code or need more runtime?
combinatorics
subset
multiset
list
cardinality
607
views
1
answer
1
vote
2015-01-04 22:01:48 -0600
MattKahle
optimizing graph coloring for small chromatic number
graph
combinatorics
algorithms
188
views
1
answer
no
votes
2014-10-07 17:26:02 -0600
John Palmieri
The value of binomial(-1,-1) is?
combinatorics
294
views
1
answer
no
votes
2014-06-11 02:32:26 -0600
kcrisman
Simple counting on restricted n-ary k-tuples
combinatorics
combinations
107
views
1
answer
1
vote
2014-02-04 12:53:54 -0600
ppurka
Strings with given frequency
combinatorics
268
views
no
answers
no
votes
2014-01-03 05:19:54 -0600
waryhermit
Find linear combinations that meet certain criteria
solve
linear
combinatorics
combinations
unsolveable
106
views
no
answers
1
vote
2013-12-10 21:27:21 -0600
Gonneman
Ascending tuples of integers
combinatorics
enumeratedset
215
views
1
answer
no
votes
2013-11-24 11:48:41 -0600
Luca
Expand a polynomial into Schubert basis
combinatorics
polynomial
1
2
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