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Since I am starting a clean install of the new Ubuntu, I proceeded to reinstall Sage. After the usual steps, and running sage, I got an error message, which I had not seen before, starting with: ————————————————————————— ImportError Traceback (most … Continue reading
Even though there are already fine guides in the web to start using the Sage software for graph theory, such as this, a video, and this, I wanted to write a simple one for my students. We have been studying … Continue reading
The Franklin graph is one of the four vertextransitive cubic graphs on 12 vertices. From its drawing it is easy to see it is actually vertextransitive, but I wanted to check whether it is a Cayley graph. I would use … Continue reading