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Lazy Universe : An Introduction to the Principle of Least Action, Hardcover b...
- Item No : 357262859621
- Condition : Like New
- Brand : No brand Info
- Seller : greatbookprices1
- Current Bid : US $66.91
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* Item Description
- Lazy Universe : An Introduction to the Principle of Least Action, Hardcover by Coopersmith, Jennifer, ISBN 0198743041, ISBN-13 9780198743040, Like New Used, Free shipping in the US
This is a rar on a rare topic: it is about 'action' and the Principle of Least Action. A surprisingly well-kept secret, these ideas are at the heart of physical science and engineering. Physics is well known as being concerned with grand conservatory principles (. the conservation of<br>energy) but equally important is the optimization principle (such as getting somewhere in the shortest time or with the least resistance). Th explains: why an optimization principle underlies physics, what action is, what `the Hamiltonian' is, and how new insights into energy, space, and time<br>arise. It assumes some background in the physical sciences, at the level of undergraduate science, but it is not a textbook. The requisite derivations and worked examples are given but may be skim-read if desired. <br><br>The author draws from Cornelius Lanczos's book "The Variational Principles of Mechanics" (1949 and 1970). Lanczos was a brilliant mathematician and educator, but his book was for a postgraduate audience. The present book is no mere copy with the difficult bits left out - it is original, and a<br>popularization. It aims to explain ideas rather than achieve technical competence, and to show how Least Action leads into the whole of physics.<br>
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