As mathematical abstractions go, graphs are among the simplest. Scatter a bunch of points in a plane. Connect some of them with lines. That’s all a graph is. And yet they are incredibly powerful. They ...
The Journal of the Operational Research Society, Vol. 69, No. 5 (MAY 2018), pp. 762-771 (10 pages) This paper presents a new method which can be used in two different situations: Firstly, for ...