They are using the concept of Pareto front (https://en.wikipedia.org/wiki/Pareto_front https://en.wikipedia.org/wiki/Pareto_front) not Pareto distribution (http

They are using the concept of Pareto front (https://en.wikipedia.org/wiki/Pareto_front https://en.wikipedia.org/wiki/Pareto_front) not Pareto distribution (https://en.wikipedia.org/wiki/Pareto_distribution https://en.wikipedia.org/wiki/Pareto_distribution) but it's true they are both named after the same Pareto!