Probably Approximately Correct: Nature's Algorithms for Learning and Prospering in a Complex World

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9780465032716: Probably Approximately Correct: Nature's Algorithms for Learning and Prospering in a Complex World
Review:

"Insightful... This is science at its best, driven not by dogma and blind belief, but by the desire to understand, intellectual integrity and reliance on facts... The book is written in a lively, accessible style and is surprisingly entertaining. It's funny how your perception of even mundane tasks can change after reading it--you start thinking algorithmically, confirming Dr. Valiant's maxim that computer science is 'more about humans than about computers.'" --New York Times "[A]n engaging meditation on complexity and on how living things often unwittingly use math to navigate it." --Scientific American "Computer scientist Leslie Valiant celebrates Alan Turing as the progenitor of a third scientific revolution, potentially as profound as Newton's and Einstein's in transforming our understanding of the world. Why not a 'fourth revolution'--why omit Darwin? Because, Valiant dares to say, Darwin's theory is radically incomplete, and until it is equipped to make quantitative, verifiable predictions, evolution by natural selection cannot account for the complexity of living things and is not 'more than a metaphor.' But Valiant offers no drop of succor to creationists. Rather, he seeks to arm neo-Darwinian theory against their onslaughts by elucidating the mechanistic, quantitative basis it must have in a world 'without a designer.' The algorithms of computational learning theory, he posits, will be key--in particular, a special kind he calls 'ecorithms,' which incorporate information gathered from the environment to improve an organism's 'performance.' Turing's heirs have only just begun to plot its equation." --The Scientist "[Probably Approximately Correct] really shines as an introduction to computer science theory to the general public, providing a compact and accessible description of basic, important results ... . This is a book that should be on every computer scientist's shelf so that when someone asks, 'Why is computer science theory important?' the three word response can be, 'Read this book.'" --SIGACT News "A scholar at the intersection of computing and evolutionary neuroscience, Valiant explores 'ecorithms': algorithms that learn by interacting with their environment, not from their designer--and so are fundamental to the process of evolution. His text is clear and approachable, with some work; the argument is sweeping." --Harvard Magazine "[Valiant's] major point is that Darwin introduced evolution by natural selection, but the detailed mechanism is still sketchy. A hundred years of genetics has filled in some details, but Valiant sees the computational details as essential and still missing. The goal of this book is to encourage further research and to set a paradigm for such work. As Erwin Schrodinger's What Is Life? inspired those who built molecular biology, Valiant hopes to inspire those who will build a future computational biology. Highly recommended." --Choice "This remarkable book is carefully constructed to give the lay person a sense of subtle problems in mathematics and artificial intelligence, and offers a framework for biologists and computer scientists to use in jointly investigating the most fascinating and enigmatic biological questions." --Marc Kirschner, Chair, Department of Systems Biology, Harvard Medical School, and coauthor of The Plausibility of Life: Resolving Darwin's Dilemma "This book contains a lot of fresh thinking and elegant, nuanced ideas. It is more than probably approximately brilliant. I am amazed by how much insight has been packed into relatively few pages. Anyone interested in computation, learning, evolution, or human nature should find these pages extraordinarily stimulating and informative." --Stephen M. Kosslyn, Founding Dean, Minerva University, and former director, Center for Advanced Study in the Behavioral Sciences, Stanford University "Ecorithms are algorithms that learn from interaction with their environment. This book provides a theoretical framework for understanding the power and limits of ecorithms and applies it to human cognition, biological evolution and artificial intelligence. It is elegantly written and will be accessible to a wide circle of readers." --Richard Karp, Turing Award winner and director, Simons Institute for the Theory of Computing, University of California, Berkeley "This little book is hugely ambitious. It takes on the task of creating a quantitative, mathematical theory to explain all essential mechanisms governing the behavior of all living organisms: survival, learning, adaptation, evolution, cognition and intelligence. The suggested theory has all the characteristics of a great one. It is simple, general, and falsifiable, and moreover seems probably, approximately, correct!" --Avi Wigderson, Nevanlinna Prize winner and Professor of Mathematics, Institute for Advanced Study, Princeton "The quest for machines (and codes) that never make mistakes was only a first step toward machines (and codes) that learn from them. Leslie Valiant's Probably Approximately Correct is a detailed, much-needed guide to how nature brought us here, and where technology is taking us next." --George Dyson, author of Turing's Cathedral and Darwin among the Machines "Probably Approximately Correct is a great book. It was eye-opening to me, as a mathematician, to learn how we think and reason, and as a grandfather, to understand better the development and learning of my four-month-old grandson. Valiant's book offers deep insights, both for young and old." --Shing-Tung Yau, Professor of Mathematics, Harvard University, and coauthor of The Shape of Inner Space "[Valiant] grounds his hypotheses in solid computational theory, drawing on Alan Turing's pioneering work on 'robust' problem-solving and algorithm design, and in successive chapters he demonstrates how ecorithms can depict evolution as a search for optimized performance, as well as help computer scientists create machine intelligence... His book offers a broad look at how ecorithms may be applied successfully to a variety of challenging problems."--Publishers Weekly

From the Publisher:

From a leading computer scientist, a unifying theory that will revolutionize our understanding of how life evolves and learns. How does life prosper in a complex and erratic world? While we know that nature follows patterns--such as the law of gravity--our everyday lives are beyond what known science can predict. We nevertheless muddle through even in the absence of theories of how to act. But how do we do it? In Probably Approximately Correct, computer scientist Leslie Valiant presents a masterful synthesis of learning and evolution to show how both individually and collectively we not only survive, but prosper in a world as complex as our own. The key is "probably approximately correct" algorithms, a concept Valiant developed to explain how effective behavior can be learned. The model shows that pragmatically coping with a problem can provide a satisfactory solution in the absence of any theory of the problem. After all, finding a mate does not require a theory of mating. Valiant's theory reveals the shared computational nature of evolution and learning, and sheds light on perennial questions such as nature versus nurture and the limits of artificial intelligence. Offering a powerful and elegant model that encompasses life's complexity, Probably Approximately Correct has profound implications for how we think about behavior, cognition, biological evolution, and the possibilities and limits of human and machine intelligence.

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Valiant, Leslie
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Descripción Basic Books, 2013. Estado de conservación: New. Brand New, Unread Copy in Perfect Condition. A+ Customer Service! Summary: In Probably Approximately Correct, computer scientist Leslie Valiant proposes a revolutionary algorithm-based theory to describe how life evolves and learns. He begins by describing two, seemingly different, kinds of algorithms for handling and storing information about the world. One is the algorithm we call evolution by natural selection, which extracts and stores information that enables an organisms descendants to survive. The other is what we call learning, which enables us to extract and store information so that we can survive. While they may appear distinct, Valiant argues that they are notrather, they are both manifestations of the same algorithm, which he calls probably approximately correct. Nº de ref. de la librería ABE_book_new_0465032710

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Valiant, Leslie
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Descripción Basic Books. Hardcover. Estado de conservación: New. 0465032710 Brand New Book. Ships from the United States. 30 Day Satisfaction Guarantee!. Nº de ref. de la librería 16261865

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Valiant, Leslie
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Descripción The Perseus Books Group, United States, 2013. Hardback. Estado de conservación: New. 238 x 156 mm. Language: English . Brand New Book. From a leading computer scientist, a unifying theory that will revolutionize our understanding of how life evolves and learns. How does life prosper in a complex and erratic world? While we know that nature follows patterns--such as the law of gravity--our everyday lives are beyond what known science can predict. We nevertheless muddle through even in the absence of theories of how to act. But how do we do it? In Probably Approximately Correct, computer scientist Leslie Valiant presents a masterful synthesis of learning and evolution to show how both individually and collectively we not only survive, but prosper in a world as complex as our own. The key is probably approximately correct algorithms, a concept Valiant developed to explain how effective behavior can be learned. The model shows that pragmatically coping with a problem can provide a satisfactory solution in the absence of any theory of the problem. After all, finding a mate does not require a theory of mating. Valiant s theory reveals the shared computational nature of evolution and learning, and sheds light on perennial questions such as nature versus nurture and the limits of artificial intelligence. Offering a powerful and elegant model that encompasses life s complexity, Probably Approximately Correct has profound implications for how we think about behavior, cognition, biological evolution, and the possibilities and limits of human and machine intelligence. Nº de ref. de la librería AAS9780465032716

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Valiant, Leslie
Editorial: The Perseus Books Group, United States (2013)
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Descripción The Perseus Books Group, United States, 2013. Hardback. Estado de conservación: New. 238 x 156 mm. Language: English . Brand New Book. From a leading computer scientist, a unifying theory that will revolutionize our understanding of how life evolves and learns. How does life prosper in a complex and erratic world? While we know that nature follows patterns--such as the law of gravity--our everyday lives are beyond what known science can predict. We nevertheless muddle through even in the absence of theories of how to act. But how do we do it? In Probably Approximately Correct, computer scientist Leslie Valiant presents a masterful synthesis of learning and evolution to show how both individually and collectively we not only survive, but prosper in a world as complex as our own. The key is probably approximately correct algorithms, a concept Valiant developed to explain how effective behavior can be learned. The model shows that pragmatically coping with a problem can provide a satisfactory solution in the absence of any theory of the problem. After all, finding a mate does not require a theory of mating. Valiant s theory reveals the shared computational nature of evolution and learning, and sheds light on perennial questions such as nature versus nurture and the limits of artificial intelligence. Offering a powerful and elegant model that encompasses life s complexity, Probably Approximately Correct has profound implications for how we think about behavior, cognition, biological evolution, and the possibilities and limits of human and machine intelligence. Nº de ref. de la librería AAS9780465032716

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Valiant, Leslie
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Descripción The Perseus Books Group. Hardback. Estado de conservación: new. BRAND NEW, Probably, Approximately Correct: Nature's Algorithms for Learning and Prospering in a Complex World, Leslie G. Valiant, From a leading computer scientist, a unifying theory that will revolutionize our understanding of how life evolves and learns. How does life prosper in a complex and erratic world? While we know that nature follows patterns--such as the law of gravity--our everyday lives are beyond what known science can predict. We nevertheless muddle through even in the absence of theories of how to act. But how do we do it? In Probably Approximately Correct, computer scientist Leslie Valiant presents a masterful synthesis of learning and evolution to show how both individually and collectively we not only survive, but prosper in a world as complex as our own. The key is "probably approximately correct" algorithms, a concept Valiant developed to explain how effective behavior can be learned. The model shows that pragmatically coping with a problem can provide a satisfactory solution in the absence of any theory of the problem. After all, finding a mate does not require a theory of mating. Valiant's theory reveals the shared computational nature of evolution and learning, and sheds light on perennial questions such as nature versus nurture and the limits of artificial intelligence. Offering a powerful and elegant model that encompasses life's complexity, Probably Approximately Correct has profound implications for how we think about behavior, cognition, biological evolution, and the possibilities and limits of human and machine intelligence. Nº de ref. de la librería B9780465032716

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Valiant, Leslie
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Descripción Hardcover. Estado de conservación: New. 163mm x 28mm x 236mm. Hardcover. From a leading computer scientist, a unifying theory that will revolutionize our understanding of how life evolves and learns. How does life prosper in a complex and erratic world? While .Shipping may be from multiple locations in the US or from the UK, depending on stock availability. 195 pages. 0.386. Nº de ref. de la librería 9780465032716

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