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math.CO2007★ 1 cited
Enumeration of Point-Determining Graphs
Ira Gessel, Ji Li
Point-determining graphs are graphs in which no two vertices have the same neighborhoods, co-point-determining graphs are those whose complements are point-determining, and bi-poin…
math.CO2007
Prime Graphs and Exponential Composition of Species
Ji Li
In this paper, we enumerate prime graphs with respect to the Cartesian multiplication of graphs. We use the unique factorization of a connected graph into the product of prime grap…