Edge coloring multigraphs raises exception sage: P=graphs.PetersenGraph();ep=P.edges(labels=0);P2=Graph(ep+ep,multiedges=1) sage: graph_coloring.edge_coloring(P2,value_only=1) 7 # not sure this is correct
sage: graph_coloring.edge_coloring(P2,value_only=0) RuntimeError: maximum recursion depth exceeded while calling a Python object How to get explicit edge coloring of multigraph? In addition the line graphs of P and P2 are isomorphic: sage: Pl=P.line_graph();P2l=P2.line_graph();Pl.is_isomorphic(P2l) True sage: Pl==P2l True sage: P2.degree() [6, 6, 6, 6, 6, 6, 6, 6, 6, 6] -- You received this message because you are subscribed to the Google Groups "sage-support" group. To unsubscribe from this group and stop receiving emails from it, send an email to sage-support+unsubscr...@googlegroups.com. To post to this group, send email to sage-support@googlegroups.com. Visit this group at http://groups.google.com/group/sage-support. For more options, visit https://groups.google.com/groups/opt_out.
