To the untrained eye, these vivid images might appear to be random sets of colourful swirls and circles.
But they are in fact precise visual representations of mathematical theory known as dynamical systems.
Some of the images - created by mathematicians from across the world OPEC to reduce oil output by 520,000 barrels a day ...
Hard-up anti-immigration firebrand Le Pen sells French HQ to Chinese ...
US 'last lecture' academic dies ... - have gone on display at the University of Liverpool.
Here, mathematician Lasse Rempe explains how they are made - and considers their artistic merits.
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Production by Paul Kerley.
(BBC)
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