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math1um / objects-invariants-properties

Objects, Invariants and Properties for Graph Theory (GT) automated conjecturing: in particular with the Sage program CONJECTURING: http://nvcleemp.github.io/conjecturing/
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Janko Kharaghani Tonchev graph is broken for Graph.lovasz_theta() #624

Open math1um opened 3 years ago

math1um commented 3 years ago

g=graphs.JankoKharaghaniTonchevGraph()

g.lovasz_theta() reports the following error (why!?):

Error in lines 1-1 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 File "", line 1893, in lovasz_theta File "/ext/sage/sage-9.3/local/lib/python3.9/site-packages/sage/graphs/lovasz_theta.py", line 75, in lovasz_theta lines = subprocess.check_output(['theta', tf_name]) File "/ext/sage/sage-9.3/local/lib/python3.9/subprocess.py", line 424, in check_output return run(*popenargs, stdout=PIPE, timeout=timeout, check=True, File "/ext/sage/sage-9.3/local/lib/python3.9/subprocess.py", line 528, in run raise CalledProcessError(retcode, process.args, subprocess.CalledProcessError: Command '['theta', '/home/user/.sage/temp/project-cb50a279-6fe7-4419-8692-e00fc9c71347/465/tmp_bcgoc3y5']' died with <Signals.SIGKILL: 9>.