Probability and Statistics Group research at the School of Mathematical and Computer Sciences at Heriot-Watt University, Edinburgh.

A chain graph (CG) is a graph admitting both directed and undirected edges with (partially) directed cycles forbidden. It generalizes both the concept of undirected graph (UG) and the concept of ...

The largest components of the critical Erdős-Rényi graph, G (n, p) with p = 1/n, have size of order n⅔ with high probability. We give detailed asymptotics for the probability that there is an ...

One of the main advantages of these models are that they can be used to assess risk using a table, as opposed to other models that require input of information into a computer calculator, Winther said ...