Four Colours Suffice: How the Map Problem Was Solved

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A book to celebrate the 150th anniversary of the solution to one of the world's most puzzling mathematical problems. The four-colour theorem states that every map in the world can be coloured with just four colours in such a way that neighbouring countries have different colours. One of the simplest problems to state, one of the hardest to solve, which took a century for mathematicians to prove. This book introduces the mathematicians behind the mathematics, among them a bishop, an astronomer, a botanist, an obsessive ...

Four Colours Suffice: How the Map Problem Was Solved 2003, Penguin Books Ltd, London

ISBN-13: 9780141009087

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Four Colours Suffice: How the Map Problem Was Solved 2002, Allen Lane, London

ISBN-13: 9780713996708

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