12731 questions

How to work with the action of the symmetric group in Sage?

• symmetric_group
• permutation_group

polynomials over integers modulo... [closed]

• bug
• Zmod
• PolynomialRing

Matrices over GradedCommutativeAlgebra

• algebra
• matrix

KeyError: SAGE_ROOT with 3-manifolds 10.8 binary [closed]

• SAGE_ROOT
• KeyError
• 3-manifolds
• release10.8

Dependencies are not automatically installed

• installation
• development

Algorithms for the $k$-admissible matching number of trees [closed]

• matching
• combinatorics
• algorithm
• graph-theory
• graph-algorithm

Algorithms for the $k$-admissible matching number of trees

• matching
• combinatorics
• algorithm
• graph-theory
• graph-algorithm

Sagemath kernel dies in existing Jupyter notebook (and VScode)

• sagemath
• jupyter-notebook
• vscode
• jupyter-kernel

141

views

1

answer

2

votes

2025-12-18 18:31:28 +0100 Max Alekseyev

Missing solutions when using solve

• solve

Problems with running sage.all command

• installation
• troubleshooting

Use of LazyLaurentSeriesRing.

• LaurentSeries

124

views

1

answer

no

votes

2025-12-08 21:33:07 +0100 Max Alekseyev

prime must be a prime in the integers but 2 is not

• rational
• integers

Taylor expansion does not work

• Taylor_expansion

In dealing with non-square matrices, I find that I am unable to swap 2 columns or 2 rows

164

views

1

answer

no

votes

2025-12-07 08:01:38 +0100 dyne2meter

sagemath simplification problem

• full_simplify

178

views

1

answer

2

votes

2025-11-26 18:18:56 +0100 John Palmieri

Set of lists behaves badly

• Set
• list
• bug

Bug in Berkovich dynamical systems

• berkovich

quotient CDGA - degree validation

• CDGA
• minimal
• mode
• quotient

Syntax highlighting for package documentation

• documentation
• package
• Sphinx
• highlight

Bug in solve?

• solve
• log

Collapsed lines in Sage cells

• sage
• Sagecells

Question about parametric resolution of a nonlinear system.

What is the computational cost of the Cornacchia's algorithm?

• Cornacchia
• algorithm

322

views

1

answer

1

vote

2025-11-16 07:24:03 +0100 dyne2meter

find_root() in 10.4 vs 10.7

• find_root
• macOS10.13
• sage-manifolds
• 10.7
• Unhandled_SIGILL

Is there a way to define local symbolic variables inside functions that do not overwrite global ones?

• symbolic-expression

installing msolve on a binary release of SageMath-10.7 for macOS

• msolve

plots not appearing

Analyzing affine monoids

• affine_monoids
• polyhedral_geometry
• normaliz
• interface

246

views

1

answer

2

votes

2025-10-11 13:03:42 +0100 rburing

Obtaining a Lie algebra from a list of matrices

• liealgebra

204

views

1

answer

no

votes

2025-10-09 23:05:27 +0100 John Palmieri

Constructing an algebra from combinatorial objects

• AlgcCombinatorics