1008 questions

31

views

1

answer

no

votes

0 years ago Max Alekseyev

Test if a graph is vertex pancyclic

• graph
• graphtheory

L-infinity norm in multivariable function

Inquiry About GSOC 2025: SageMath Project on Paths and Cycles Enumeration Methods

149

views

1

answer

1

vote

0 years ago Max Alekseyev

How to find the graphs from the following collection whose determinant is maximum?

plotting graphs, vertices on some graphs are very small

Test if a graph has a claw-decomposition

• graphtheory

How to plot this

Plots not showing up for Sage+Python

• 2Dplot
• jupyter-notebook
• ipynb
• vscode

Find all cycles in an undirected graph

• graphtheory
• graphs

automorphism of a graph

• automorphism
• graphs

What packages in sage can I use in python?

• igraph
• python
• python_package

271

views

1

answer

1

vote

0 years ago FrédéricC

A limit trivial in polar coordinates cannot be computed in Cartesian coordinates. Why ?

• limit

How to specify dashed edges in SageMath?

• graphtheory

Find a perfect bisimplicial ordering in a faster algorithm

• graph
• graph-theory

Graphs - Gomory Hu tree - Memory blow up and max recursion depth [closed]

• graphs
• gomory-hu
• RecursionError
• Memory

The acyclic orientations function behaves unexpectedly

• graph-theory
• orientations
• confirmed_issue

How to make edges Curve with Plot

211

views

1

answer

3

votes

0 years ago John Palmieri

Graphs - vertex_connectivity - misleading behavior for parameter k [closed]

• graph_theory
• combinatorics
• connectivity
• vertex_connectivity
• confirmed_issue

256

views

1

answer

1

vote

0 years ago Max Alekseyev

Error while computing gomory hu tree of graph using LP [closed]

• graphtheory
• gomory-hu
• graphs
• combinatorics
• LP

`legend_label` for 2d scatter plot

• 2Dplot

220

views

no

answers

no

votes

0 years ago rburing

how to get the sagemath programs related to graphs with nodes and edges

i have to draw a regular graph vertex with 120 elements each with degree 9 ie. 9_regular graph with 120 vertex. pls suggest some programs [closed]

Memory leak in is_planar

• memory-leak
• is_planar
• graphs

Is there a way to get the Tait graph from a knot diagram?

• knots
• ask-sage
• snappy
• knot-theory
• laplacian

Is there a way to get the Tait graph from a knot diagram? [closed]

• knots
• ask-sage
• snappy
• knot-theory
• laplacian

259

views

1

answer

no

votes

0 years ago John Palmieri

Does Sage have a built-in function to output an adjacency list?

• graph-theory

Does Sage have a function to determine vertex cuts?

• graph-theory

281

views

1

answer

2

votes

0 years ago rburing

The canonical labels in SageMath are different from those in nauty.

• graph-theory

Twin reduction in Graph

• graph-theory

177

views

no

answers

no

votes

0 years ago rewi

Does there exists any simple connected graph $G$ of order $n$, such that whenever $\dfrac{\lambda}{k}$ is an eigenvalue of the adjacency matrix of $G$

• graph-theory