644 questions

175

views

1

answer

1

vote

1 year ago John Palmieri

Is there a way to check if a given simplicial complex is a pseudomanifold with boundary?

• SimplicialComplex
• pseudomanifold

List all connected subgraphs with exactly k vertices

• graph-theory

Some "strange behaviors“ of longest_path

• graph-theory
• graph-algorithm

How to color area between 2+ functions

• plot
• fill

coset graph

• permutation_group
• cosets
• cayleygraph

Obtaining an unmodified latex output via Sage

• digraph

graph plot: size of arrow heads

• plot
• arrow
• digraph

Digraphs with Sage

• digraph

How to plot the real line in SageMath

• plot
• graphics

implicit_plot shows wrong equation at edge of plot

• implicit_plot
• plotting

Incidence graphs of generalised quadrangle and hexagon

Plot a planar graph as a plane graph

• plot
• graph

plotting origin location

• plot
• origin

853

views

1

answer

no

votes

1 year ago rburing

"The kernel appears to have died.It will restart automatically." No graphs plotting

• jupyter-kernel
• graphics-library

61

views

no

answers

no

votes

1 year ago John Palmieri

Generalized quadrangles of order (5,5^2)

• non-isomorphic
• generalized
• quadrangles

show() for equations is not working

• show

how display labels edges and color with dictionary? ​

• graph
• edge_labels
• edge_colors

Generating prime graphs

• is_prime

359

views

2

answers

2

votes

1 year ago Max Alekseyev

How define a graph where edges are defined using a condition?

• graphtheory

230

views

1

answer

no

votes

1 year ago Max Alekseyev

Integer valued eigenvalues

How to store images of graphs in a PDF?

• graphtheory
• pdf

Generate all connected graphs of order 12 with matching number of 4

• graphtheory

203

views

1

answer

no

votes

0 years ago John Palmieri

Functions source code

• graph-theory
• source-code
• is_isomorphic
• is_subgraph

Incorrect plot

• 2Dplot

Not interactive plot

• 2Dplot

vertex labels exceed space and intersect with edges

• 2Dplot
• Elliptic-curves

176

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

Twin reduction in Graph

• graph-theory

Does Sage have a function to determine vertex cuts?

• graph-theory

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

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