Open szhorvat opened 2 years ago
See https://doi.org/10.1112/jlms/s1-40.1.87 , Theorem 3.
Also review https://dx.doi.org/10.1186%2Fs13660-017-1544-3 Theorem 3.1 condition (ii).
Pay special attention to the singleton graph and null graph.
See https://doi.org/10.1112/jlms/s1-40.1.87 , Theorem 3.
Also review https://dx.doi.org/10.1186%2Fs13660-017-1544-3 Theorem 3.1 condition (ii).
Pay special attention to the singleton graph and null graph.