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# Questions tagged [igraphm]

Questions related to the IGraph/M package for graph theory and network analysis.

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### How can I conveniently call igraph from Mathematica?

Mathematica has lots of functions for working with graphs and networks, but there are still some functionality holes that are provided by other packages. Also, due to the nature of graph theory, ...
377 views

### Isomorphism of colored multigraphs

Recently I discovered for myself IGraphM package and find it really great! << IGraphM I am still learning its basic functionality. I need to verify ...
108 views

### IGraph/M Library - ConfigurationModel

I am trying to reproduce a network generated by a configuration model given degree vector truncated power law distribution. I am relying on the following function from the IGraph/M package for ...
65 views

I am trying to load IGraphM on a remote cluster at a university. I can load the program, then install the package, which is successful I then run <<IGraphM, ...
87 views

### Graph problem with IGraphM package

Consider the graph: ...
66 views

### Adding edges to a TreeForm of an expression

Say I have an expression {1,{{2,3},4}}. It's TreeForm looks as follows: {1,{{2,3},4}} //TreeForm Now, on each level of that ...
128 views

### IGraph/M Documentation issue

When consulting the IGRaph/M documentation like this: << IGraphM IGDocumentation[] I get this as an output: ...
56 views

### Issue with displaying a tree graph after deleting a vertex

Say, I have an expression tree: g = IGExpressionTree[ {{{1,2},{{3,4},{5,6}}},7}, VertexLabels -> "Name"] From that tree I want to delete all the vertices ...
135 views

### Demonstrate that graphs with different colors of vertices/edges are not isomorphic

I am asking explicitly about the IGraphM package. I do the following: ...
37 views

### Edge coloring of multigraphs with IGraph/M

Does the current implementation of IGMinimumEdgeColoring and IGChromaticIndex in IGraph/M work with multigraphs? I recall ...
39 views

### Alternatives for chromatic number in graphs

The function IGChromaticNumber in IGraph works great, so well, that I have been able to check the chromatic number of graphs with max degree 12 with over a thousand vertices in a relatively short ...
53 views

### Forced colorings with IGraph/M

Is it possible to force the colors of certain vertices in a graph so that the function which finds a minimum coloring will then extend the partial coloring with the fewest possible number of extra ...
23 views

### Coloring individual edges of a multigraph each with its own color

Could someone tell me how to color two different edges between the same two vertices with a different color? The last time a related question was asked is 4 years ago, so I am wondering if the ...