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Careers with maths
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Barry Phipps tells Plus how he bridges the gap between the arts and sciences as an exhibition curator.

A favourite from the archive...
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Get the maths of this famous fractal

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June 2008
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Ramsey number

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Sometimes a mathematical object can be so big that, however disorderly we make the object, areas of order are bound to emerge. Imre Leader looks at the colourful world of Ramsey Theory.

Tags: Ramsey theory : graph theory : colouring : Ramsey number