# Tag Archives: graph coloring

## I moved the code under github

I moved all code under github here: https://github.com/stefanutti I organized the folders a little betters (different github repos) I’m experimenting docker to deliver & deploy the Java and Python software I’ll also try to integrate a deep learning module, based on … Continue reading

## Four color theorem: about edges selection

For the decomposition of a graph representing a map, I’m trying to use different algorithms to select the edge to remove. The question is: When you have multiple valid choices, which is the best edge to select … if any? Some basic … Continue reading

## Four color theorem: almost there?

Here there are some results that came out from the study of Kempe chains/cycles (of edges) in Tait coloring of a 3-regular planar graph. Next is shown an image with a summary of the ideas behind this approach. I didn’t have the time to … Continue reading

## Four color theorem: Cahit spiral chains

Hi, I’ve found some time to implement the first version of Cahit Spiral Chains algorithm. I still need to: Find all spiral chains of a given graph and not only one (changing the starting point) I need to implement the … Continue reading

## Four color theorem: videos

Four videos for the four color theorem. music coloring algorithm slow motion maps java application features