7 citations · 8 across the 5 of their papers we have counts for
1 paper · 2 filters
Laura Mančinska, David E. Roberson
Over 50 years ago, Lovász proved that two graphs are isomorphic if and only if they admit the same number of homomorphisms from any graph [Acta Math. Hungar. 18 (1967), pp. 321--32…