Add new comment
Some practical tips to help you when you need it most!
-
Want facts and want them fast? Our Maths in a minute series explores key mathematical concepts in just a few words.
A basic introduction to the most powerful tools in science and enginnering.
As COP28, the 2023 United Nations Climate Change Conference, kicks off we look at how maths can help understand the climate crisis.
How do you create dramatic film out of mathematics? We find out with writer and director Timothy Lanzone.
Mathematics plays a central role in understanding how infectious diseases spread. This collection of articles looks at some basic concepts in epidemiology to help you understand this fascinating and important field, and set you up for further study.
Find out why the formula we use to work out conditional probabilities is true!
Art galleries as described in the article (as triangulations of polygons with some interior lines missing, the interior lines being added as part of the proof) are outerplanar. An earlier proof that the chromatic number of an outerplanar graph is at most three -- and that a triangulation of a polygon not only has chromatic number three but that there is only one way (except for interchange of color names) to achieve such a coloring -- was given by Chartrand and Geller, and appears as an exercise in Frank Harary's textbook (page 149).