Mathematics, Epidemiology, Social Network, Covid-19, Coronavirus.
modeling networks. Mathematically, a network can be represented by a graph G =(V, E), where in Figure 1, V is the set of vertices (or nodes) and E is the set of elements referred to as edges (or links). Figure 1: The graph representation of a network with 3 nodes. The graph G = (V, E), with the set