Graph theory

5 Minutes with Hal Kierstead

Hal Kierstead is a Professor at the School of Mathematical and Statistical Sciences in Arizona State University.  He visited our Department in September to work with Jan van den Heuvel and Daniel Quiroz.  He also spoke at our Seminar on Combinatorics, Games and Optimisation about the history and applications of generalised colouring numbers, a notion which arose from an […]

Ewan Davies – Counting the number of ways a gas can fill a room

Ewan Davies is a PhD student in the Department of Mathematics. His research is on graph theory, the study of connected systems of abstract ‘things’ which we call graphs. In this example the ‘things’ in the graph are particles of a gas or atoms in a molecule, and he developed a new method for understanding mathematical models in these […]