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Author: Jerry Roberts
Publisher: The History Press
ISBN: 0750982047
Category : Biography & Autobiography
Languages : en
Pages : 300
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Book Description
The breaking of the Enigma machine is one of the most heroic stories of the Second World War and highlights the crucial work of the codebreakers of Bletchley Park, which prevented Britain's certain defeat in 1941. But there was another German cipher machine, used by Hitler himself to convey messages to his top generals in the field. A machine more complex and secure than Enigma. A machine that could never be broken. For sixty years, no one knew about Lorenz or 'Tunny', or the determined group of men who finally broke the code and thus changed the course of the war. Many of them went to their deaths without anyone knowing of their achievements. Here, for the first time, senior codebreaker Captain Jerry Roberts tells the complete story of this extraordinary feat of intellect and of his struggle to get his wartime colleagues the recognition they deserve. The work carried out at Bletchley Park during the war to partially automate the process of breaking Lorenz, which had previously been done entirely by hand, was groundbreaking and is recognised as having kick-started the modern computer age.
Author: Jerry Roberts
Publisher: The History Press
ISBN: 0750982047
Category : Biography & Autobiography
Languages : en
Pages : 300
Get Book
Book Description
The breaking of the Enigma machine is one of the most heroic stories of the Second World War and highlights the crucial work of the codebreakers of Bletchley Park, which prevented Britain's certain defeat in 1941. But there was another German cipher machine, used by Hitler himself to convey messages to his top generals in the field. A machine more complex and secure than Enigma. A machine that could never be broken. For sixty years, no one knew about Lorenz or 'Tunny', or the determined group of men who finally broke the code and thus changed the course of the war. Many of them went to their deaths without anyone knowing of their achievements. Here, for the first time, senior codebreaker Captain Jerry Roberts tells the complete story of this extraordinary feat of intellect and of his struggle to get his wartime colleagues the recognition they deserve. The work carried out at Bletchley Park during the war to partially automate the process of breaking Lorenz, which had previously been done entirely by hand, was groundbreaking and is recognised as having kick-started the modern computer age.
Author: Marita Lorenz
Publisher: Simon and Schuster
ISBN: 1681775786
Category : Biography & Autobiography
Languages : en
Pages : 320
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Book Description
The dramatic, glamorous story of lover-turned-spy Marita Lorenz and her affair with Fidel Castro, soon to be the subject of a major film starring Jennifer Lawrence. Few people can say they’ve seen some of the most significant moments of the twentieth century unravel before their eyes. Marita Lorenz is one of them. Born in Germany at the outbreak of WWII, Marita was incarcerated in a Nazi concentration camp as a child. In 1959, she travelled to Cuba where she met and fell in love with Fidel Castro. Yet upon fleeing to America, she was recruited by the CIA to assassinate the Fidel. Torn by love and loyalty, she couldn’t bring herself to slip him the lethal pills. Her life would take many more twists and turns—including having a child with ex-dictator of Venezuela, Marcos Pérez Jiménez; testifying about the John F. Kennedy assassination; and becoming a party girl with close ties the New York mafia (and then a police informant). Caught up in Cold War intrigue, espionage, and conspiracy—this is Marita’s incredible autobiography of a young woman who became a spy for the CIA.
Author: Stephen R Lorenzt
Publisher: Military Bookshop
ISBN: 9781782661603
Category : Technology & Engineering
Languages : en
Pages : 204
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Book Description
Author: Martin Lorenz
Publisher: American Mathematical Soc.
ISBN: 1470436809
Category : Categories (Mathematics)
Languages : en
Pages : 654
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Book Description
Representation theory investigates the different ways in which a given algebraic object--such as a group or a Lie algebra--can act on a vector space. Besides being a subject of great intrinsic beauty, the theory enjoys the additional benefit of having applications in myriad contexts outside pure mathematics, including quantum field theory and the study of molecules in chemistry. Adopting a panoramic viewpoint, this book offers an introduction to four different flavors of representation theory: representations of algebras, groups, Lie algebras, and Hopf algebras. A separate part of the book is devoted to each of these areas and they are all treated in sufficient depth to enable and hopefully entice the reader to pursue research in representation theory. The book is intended as a textbook for a course on representation theory, which could immediately follow the standard graduate abstract algebra course, and for subsequent more advanced reading courses. Therefore, more than 350 exercises at various levels of difficulty are included. The broad range of topics covered will also make the text a valuable reference for researchers in algebra and related areas and a source for graduate and postgraduate students wishing to learn more about representation theory by self-study.
Author: Tom Lorenz
Publisher: Penguin Group
ISBN: 9780140131543
Category : Fiction
Languages : en
Pages : 286
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Book Description
Author: Konrad Lorenz
Publisher: Egmont Books (UK)
ISBN:
Category : Civilization
Languages : en
Pages : 102
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Book Description
Essays on destructive influences of the modern environment on human behavior.
Author: Albert Lorenz
Publisher:
ISBN: 9781858813738
Category : Cities and towns
Languages : en
Pages : 64
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Book Description
In this history, each century is examined through the perspective of a city that helped define the age. Maps drawn from a bird's eye's point of view introduce each chapter, then follows a dramatic historical event which represents the spirit of the age under examination. Forming a two-page border around this main illustration is a selective international chronicle of the century's key historical, cultural, scientific and technological events.
Author: Christian Flake Lorenz
Publisher:
ISBN: 9781644280638
Category : Biography & Autobiography
Languages : en
Pages : 0
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Book Description
#1 German bestseller "I have no idea how late it actually is. We flew off somewhere this morning, and my cell phone automatically turns off the clock if we're getting close to a new time zone by plane. Mile by mile, the bus pushes through the inner city. Budapest seems to be quite big. We are in the middle of rush hour traffic. As it is Friday, everyone wants to get out of the city very quickly. But nothing works quickly here at all." Flake, the legendary keyboardist for the German band Rammstein, takes readers on a journey of what it is to be a touring musician. The excitement, the boredom, the moments that will be remembered and those that are forgotten.It's The World's Birthday Today is a strange and moody book about life on the road.
Author: Bo-Wen Shen
Publisher: MDPI AG
ISBN: 3036589104
Category : Education
Languages : en
Pages : 338
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Book Description
Celebrate the 50th anniversary of the metaphorical butterfly effect, born from Edward Lorenz's 1963 work on initial condition sensitivity. In 1972, it became a metaphor for illustrating how minor changes could yield an organized system. Lorenz Models: Chaos & Regime Changes Explore Lorenz models' 1960-2008 evolution, chaos theory, and attractors. Unraveling High-dimensional Instability Challenge norms in "Butterfly Effect without Chaos?" as non-chaotic elements contribute uniquely. Modeling Atmospheric Dynamics Delve into atmospheric dynamics via "Storm Sensitivity Study." Navigating Data Assimilation Explore data assimilation's dance in chaotic and nonchaotic settings via the observability Gramian. Chaos, Instability, Sensitivities Explore chaos, instability, and sensitivities with Lorenz 1963 & 1969 models. Unraveling Tropical Mysteries Investigate tropical atmospheric instability, uncovering oscillation origins and cloud-radiation interactions. Chaos and Order Enter atmospheric regimes, exploring attractor coexistence and predictability. The Art of Prediction Peer into predictability realms, tracing the "butterfly effect's" impact on predictions. Navigating Typhoons Journey through typhoons, exploring rainfall and typhoon trajectory prediction. Analyzing Sea Surface Temperature Examine nonlinear analysis for classification. Computational Fluid Dynamics Immerse in geophysical fluid dynamics progress, simulating atmospheric phenomena.
Author: Barry C. Arnold
Publisher: Springer
ISBN: 3319937731
Category : Mathematics
Languages : en
Pages : 272
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Book Description
This book was written to serve as a graduate-level textbook for special topics classes in mathematics, statistics, and economics, to introduce these topics to other researchers, and for use in short courses. It is an introduction to the theory of majorization and related notions, and contains detailed material on economic applications of majorization and the Lorenz order, investigating the theoretical aspects of these two interrelated orderings. Revising and expanding on an earlier monograph, Majorization and the Lorenz Order: A Brief Introduction, the authors provide a straightforward development and explanation of majorization concepts, addressing historical development of the topics, and providing up-to-date coverage of families of Lorenz curves. The exposition of multivariate Lorenz orderings sets it apart from existing treatments of these topics. Mathematicians, theoretical statisticians, economists, and other social scientists who already recognize the utility of the Lorenz order in income inequality contexts and arenas will find the book useful for its sound development of relevant concepts rigorously linked to both the majorization literature and the even more extensive body of research on economic applications. Barry C. Arnold, PhD, is Distinguished Professor in the Statistics Department at the University of California, Riverside. He is a Fellow of the American Statistical Society, the American Association for the Advancement of Science, and the Institute of Mathematical Statistics, and is an elected member of the International Statistical Institute. He is the author of more than two hundred publications and eight books. José María Sarabia, PhD, is Professor of Statistics and Quantitative Methods in Business and Economics in the Department of Economics at the University of Cantabria, Spain. He is author of more than one hundred and fifty publications and ten books and is an associate editor of several journals including TEST, Communications in Statistics, and Journal of Statistical Distributions and Applications.
