Four Colors Suffice: How the Map Problem Was Solved Robin J. Wilson

ISBN: 9780141009087

Published:

Paperback

262 pages


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Four Colors Suffice: How the Map Problem Was Solved  by  Robin J. Wilson

Four Colors Suffice: How the Map Problem Was Solved by Robin J. Wilson
| Paperback | PDF, EPUB, FB2, DjVu, audiobook, mp3, ZIP | 262 pages | ISBN: 9780141009087 | 6.74 Mb

The four-colour problem was one of the most famous and controversial conundrums ever known, and stumped thousands of puzzlers for over a century.It sounded simple: what is the least number of colours needed to fill in any map, so that neighbouringMoreThe four-colour problem was one of the most famous and controversial conundrums ever known, and stumped thousands of puzzlers for over a century.It sounded simple: what is the least number of colours needed to fill in any map, so that neighbouring countries are always coloured differently?

However, it would take over a hundred years for amateur problem - solvers and mathematicians alike to answer the question first posed by Francis Guthrie in 1852. And, even when a solution was finally found using computers, debate raged over whether this technology could ever provide the proof that traditional pen - and - paper calculations could.

This is the gripping story of the race to solve the riddle - a tale of dedicated puzzlers, mind-boggling maps, human ingenuity and the great rhombicuboctahedron...



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