First time here? Check out the FAQ!
Hi there! Please sign in
help
tags
users
badges
ALL
UNANSWERED
Ask Your Question
RSS
Sort by »
date ▼
activity
answers
votes
47
questions
Tagged
combinatorics
×
82
views
no
answers
no
votes
2021-02-13 21:40:36 +0200
rue82
prove an identity for any integer
symbolic
symbolic-expression
symbolic-variables
combinatorics
38
views
1
answer
no
votes
2021-01-06 02:54:45 +0200
dan_fulea
Not getting correct output while computing posets with some conditions.
posets
combinatorics
108
views
2
answers
no
votes
2020-08-06 11:08:36 +0200
dan_fulea
Built-in tools for fast extraction of tuples of a given grade with respect to grading on [1, 2, ..., n]
combinatorics
148
views
1
answer
no
votes
2020-06-02 09:48:06 +0200
slelievre
Removing some element of a list according to the zero of another
combinatorics
122
views
1
answer
1
vote
2020-04-25 11:51:33 +0200
Sébastien
Attribute error: "'Graphics' object has no attribute 'get_pos'" with plotting Hasse diagram of poset
AttributeError
Poset
plot
combinatorics
182
views
1
answer
no
votes
2019-09-05 08:36:52 +0200
Emmanuel Charpentier
How did simplify_full() manipulate this expression?
symbolic-expression
simplify_full
combinatorics
83
views
2
answers
no
votes
2019-08-20 23:36:55 +0200
joakim_uhlin
Checking identity of two combinatorial expressions
combinatorics
binomial
identity
symbolic-expression
87
views
1
answer
1
vote
2019-04-11 10:15:00 +0200
rburing
Setting t=0 in a non-symmetric E-Macdonald polynomial
polynomials
combinatorics
Fillings
140
views
1
answer
2
votes
2019-04-11 15:33:37 +0200
joakim_uhlin
Constructing all NE-lattice paths from $(0,0)$ to $(m,n)$
DyckWords
LatticePaths
NEpaths
combinatorics
178
views
1
answer
1
vote
2019-11-08 15:28:53 +0200
joakim_uhlin
Major index of skew-SYT
tableau
combinatorics
159
views
2
answers
2
votes
2018-08-04 15:30:18 +0200
Sébastien
Words avoiding patterns
words
combinatorics
iterable
71
views
no
answers
1
vote
2018-06-25 21:12:25 +0200
ml9nn
codomain could not be determined
morphism
combinatorics
coercion
117
views
1
answer
5
votes
2018-04-15 20:16:25 +0200
tmonteil
Posets(10) freezing
Poset
combinatorics
104
views
1
answer
1
vote
2018-04-01 02:35:06 +0200
tmonteil
Combinatorial Species of Phylogenetic Trees
combinatorics
Species
190
views
1
answer
no
votes
2017-03-17 05:25:00 +0200
fidbc
Sage code that receives a symmetric partition as an input and returns the corresponding partition with odd parts.
combinatorics
95
views
1
answer
no
votes
2016-09-07 18:47:56 +0200
Peter Luschny
DyckWords: workaround for from_ordered_tree?
combinatorics
DyckWords
512
views
2
answers
1
vote
2019-08-27 22:28:23 +0200
Jonathan Kliem
Forming a polytope from only its combinatorial data
polytope
combinatorics
340
views
1
answer
1
vote
2016-07-04 17:37:26 +0200
fagui
OrderedSetPartitions (variant)
combinatorics
iterations
3k
views
1
answer
1
vote
2015-11-24 15:59:13 +0200
vdelecroix
How to draw special trees from a list consisting of tuples with Sage?
graphics
tree
combinatorics
diagram
72
views
1
answer
no
votes
2015-07-30 23:09:17 +0200
tmonteil
Some combinatorial lists related to partitions.
partitions
combinatorics
263
views
1
answer
no
votes
2015-07-13 19:46:53 +0200
Peter Luschny
Seeking an efficient filter for partitions.
combinatorics
partitions
616
views
1
answer
1
vote
2015-01-05 05:01:48 +0200
MattKahle
optimizing graph coloring for small chromatic number
graph
combinatorics
algorithms
158
views
2
answers
1
vote
2015-01-05 15:24:48 +0200
slelievre
Error in code or need more runtime?
combinatorics
subset
multiset
list
cardinality
191
views
1
answer
no
votes
2014-10-08 00:26:02 +0200
John Palmieri
The value of binomial(-1,-1) is?
combinatorics
584
views
2
answers
3
votes
2017-10-09 15:59:14 +0200
jipilab
combinatorial equivalence for Polyhedra / isomorphism for lattices
polyhedra
face_lattice
combinatorics
300
views
1
answer
no
votes
2014-06-11 09:32:26 +0200
kcrisman
Simple counting on restricted n-ary k-tuples
combinatorics
combinations
111
views
1
answer
1
vote
2014-02-04 19:53:54 +0200
ppurka
Strings with given frequency
combinatorics
281
views
no
answers
no
votes
2014-01-03 12:19:54 +0200
waryhermit
Find linear combinations that meet certain criteria
solve
linear
combinatorics
combinations
unsolveable
107
views
no
answers
1
vote
2013-12-11 04:27:21 +0200
Gonneman
Ascending tuples of integers
combinatorics
enumeratedset
223
views
1
answer
no
votes
2013-11-24 18:48:41 +0200
Luca
Expand a polynomial into Schubert basis
combinatorics
polynomial
1
2
next page »
Contributors
Tags
combinatorics
×30
symbolic-expression
×3
combinations
×2
DyckWords
×2
partitions
×2
Poset
×2
algorithms
×1
AttributeError
×1
binomial
×1
cardinality
×1
coercion
×1
diagram
×1
enumeratedset
×1
face_lattice
×1
Fillings
×1
graph
×1
graphics
×1
identity
×1
iterable
×1
iterations
×1
LatticePaths
×1
linear
×1
list
×1
morphism
×1
multiset
×1
NEpaths
×1
plot
×1
polyhedra
×1
polynomial
×1
polynomials
×1
polytope
×1
posets
×1
simplify_full
×1
solve
×1
Species
×1
subset
×1
symbolic
×1
symbolic-variables
×1
tableau
×1
tree
×1
unsolveable
×1
words
×1
Copyright Sage, 2010. Some rights reserved under creative commons license. Content on this site is licensed under a
Creative Commons Attribution Share Alike 3.0
license.
Powered by Askbot version 0.7.59
Please note: Askbot requires javascript to work properly, please enable javascript in your browser,
here is how
dummy
×