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# Why Beauty is Truth: The History of Symmetry

By: Ian Stewart

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ISBN: 9780465082377 Publisher: The Perseus Books Group
Year of publishing: 2008 Format: Paperback
No of Pages: 304

Leading mathematician and author Ian Stewart explores a concept both simple and complex, both multi-disciplinary and unifying -symmetry.There is no more important concept in the history of mathematics...Read more

Leading mathematician and author Ian Stewart explores a concept both simple and complex, both multi-disciplinary and unifying -symmetry.There is no more important concept in the history of mathematics and physics than symmetry. It lies at the heart of relativity theory, quantum mechanics, string theory and much of modern cosmology.In "Why Beauty Is Truth", world-famous mathematician Ian Stewart narrates the history of the emergence of this remarkable area of study, from its roots in tenth-century BC Babylon to its current role in 21st century physics. Stewart introduces us to such characters as the Renaissance Italian genius, rogue, scholar, and gambler Girolamo Cardano, who stole the modern method of solving cubic equations and published it in the first important book on algebra, and the young revolutionary Evariste Galois, who refashioned the whole of mathematics and founded the field of group theory only to die in a pointless duel over a woman, before his work was published.Stewart also explores the strange numerology of real mathematics, in which particular numbers have unique and unpredictable properties related to symmetry.

He shows how Wilhelm Killing discovered "Lie groups" with 14, 52, 78, 133, and 248 dimensions-groups whose very existence is a profound puzzle. Finally, Stewart describes the world beyond superstrings: the "octonionic" symmetries that may explain the very existence of the universe.Weaving mathematical theory with the fascinating and often dramatic stories of the people involved, "Why Beauty is Truth" is a lively, readable and accessible book for casual and specialized readers alike.

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He shows how Wilhelm Killing discovered "Lie groups" with 14, 52, 78, 133, and 248 dimensions-groups whose very existence is a profound puzzle. Finally, Stewart describes the world beyond superstrings: the "octonionic" symmetries that may explain the very existence of the universe.Weaving mathematical theory with the fascinating and often dramatic stories of the people involved, "Why Beauty is Truth" is a lively, readable and accessible book for casual and specialized readers alike.

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**About the author:**Ian Stewart

**Review**:

Stewart is a highly gifted communicator, able not only to explain the motivation of mathematicians down the centuries but to elucidate the resulting mathematics with both clarity and style. The...Read more

Stewart is a highly gifted communicator, able not only to explain the motivation of mathematicians down the centuries but to elucidate the resulting mathematics with both clarity and style. The whole is leavened by his inimitable understated wit...and clarity...as he draws you into the minds of pathfinders...cutting through the clutter of the often slow and painful development of new ideas with a conviction that make this book accessible and motivating to anyone with a serious interest in maths. I resorted to hiding it from other members of the family until I'd finished and am confident that those on the 'waiting list' will not be disappointed. Inspirational." Times Educational Supplement "Stewart, long a class act in popular maths, does not shy from presenting equations, illuminating them with imagistic explanations and sympathetic character sketches of heroes past and present". The Guardian "Stewart's book is a good humoured, panoramic history of the development of mathematics from Babylonian times to the present... (A) fine contribution to mathematical literature..." FT "(T)he study of symmetry has become one of the most potent analytical tools for physicist, and a fundamental pillar of pure mathematics. Maybe this is what Keats was on about when he wrote "Beauty is truth, truth beauty." At any rate, there's been a gap in the market for a book to explain all this to a popular audience, and now Ian Stewart has filled it with Why Beauty is Truth. In it, he skilfully mixes narrative on the historical development of group theory - the mathematical machinery of symmetry - with effective lay explanations of how it actually works. Some of these may leave your brain gibbering helplessly in a corner - this can be technical. But in general they are staggeringly elegant... Keats would approve." BBC Focus Magazine "(I)mpressive... valuable and intelligent... (Ian Stewart is) an excellent professional mathematician". Daily Telegraph "Stewart... is renowned for his popular science books, but Why Beauty is Truth is without a doubt the finest. If it were only for its lively informal style, its historical characters, its intrigue... its beautiful prose, it would be praiseworthy. Yet, its real uniqueness - its power - is in what it uncovers. It brings us the heart of why mathematicians pursue mathematics." Nature "Dealing with the concept of symmetry, this book takes you on an easy and thrilling journey through the history of an idea and the men for whom it was an obsession. From the first sentence, that plants the reader in the midst of a duel, you are treated to a tale that is as much a history of individuals as it is of ideas. A surprising topic presented in an astonishingly entertaining manner." Good Book Guide

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