In the diffusion model, the (continuous) load vector ξ(t)∈Rn in round t⩾1 is given by the recursion
ξ(t)=ξ(t−1)P,
where, for any γ⩾1, the diffusion matrix P=P(γ) of graph G is defined as follows: For any pair of nodes u and v,
Pu,v=1γΔ if {u,v}∈E, P…