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Counting on connections
Julian Sahasrabudhe wins a Whitehead Prize for combining different areas of maths using the power of combinatorics.
Content about “ Ramsey number
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Too big to write but not too big for Graham
Meet the number that's bigger than the observable Universe!
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Friends and strangers
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.