Lovasz' theta function used to work. Now it is broken for a wide variety of graphs. Here's one example:
g=graphs.CompleteGraph(20) g.lovasz_theta() In this case the produced error is: Error in lines 2-2 Traceback (most recent call last): File "/cocalc/lib/python3.8/site-packages/smc_sagews/sage_server.py", line 1230, in execute exec( File "", line 1, in <module> File "/ext/sage/sage-9.3/local/lib/python3.9/site-packages/sage/graphs/lovasz_theta.py", line 76, in lovasz_theta return float(lines.split()[-1]) ValueError: could not convert string to float: b'failed.' -- 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 view this discussion on the web visit https://groups.google.com/d/msgid/sage-support/38bbf871-cd24-4168-a185-e60ac09a8c2dn%40googlegroups.com.
