I've been investigating unit distance graphs with sage and would like to submit some code for inclusion.
A unit distance graph is one that can be embedded in the plane such that edges correspond to pairs of points distance exactly 1 unit apart. The Moser spindle is important as a small (7 vertex) unit distance graph that is not 3-colorable, and is included in sage's smallgraphs.py. But the embedding given there is not the unit distance embedding! I think this should be corrected, and have appropriate code. Secondly, the Golomb graph is another small unit distance graph which is not 3-colorable. I would like to submit a function for smallgraphs.py that lets this be a named graph in sage. I'm posting here first to gauge interest in these changes to sage, and to request some pointers for navigating the submission process and trac. I've used github before but the process for a project the size of sage is obviously a bit more complex than fork, change, commit, submit pull request! -- You received this message because you are subscribed to the Google Groups "sage-devel" group. To unsubscribe from this group and stop receiving emails from it, send an email to sage-devel+unsubscr...@googlegroups.com. To post to this group, send email to sage-devel@googlegroups.com. Visit this group at https://groups.google.com/group/sage-devel. For more options, visit https://groups.google.com/d/optout.
