Preferential attachment [1] can generate power law. Barabási–Albert model [2] is one model of that process. [1] https://en.wikipedia.org/wiki/Preferential_att

Preferential attachment [1] can generate power law. Barabási–Albert model [2] is one model of that process. [1] https://en.wikipedia.org/wiki/Preferential_attachment https://en.wikipedia.org/wiki/Preferential_attachment [2] https://en.wikipedia.org/wiki/Barab%C3%A1si%E2%80%93Albert_model https://en.wikipedia.org/wiki/Barab%C3%A1si%E2%80%93Albert_m...