Organized Collapse: An Introduction to Discrete Morse Theory PDF Download
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Author: Dmitry N. Kozlov
Publisher: American Mathematical Society
ISBN: 1470464551
Category : Mathematics
Languages : en
Pages : 339
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Book Description
Applied topology is a modern subject which emerged in recent years at a crossroads of many methods, all of them topological in nature, which were used in a wide variety of applications in classical mathematics and beyond. Within applied topology, discrete Morse theory came into light as one of the main tools to understand cell complexes arising in different contexts, as well as to reduce the complexity of homology calculations. The present book provides a gentle introduction into this beautiful theory. Using a combinatorial approach—the author emphasizes acyclic matchings as the central object of study. The first two parts of the book can be used as a stand-alone introduction to homology, the last two parts delve into the core of discrete Morse theory. The presentation is broad, ranging from abstract topics, such as formulation of the entire theory using poset maps with small fibers, to heavily computational aspects, providing, for example, a specific algorithm of finding an explicit homology basis starting from an acyclic matching. The book will be appreciated by graduate students in applied topology, students and specialists in computer science and engineering, as well as research mathematicians interested in learning about the subject and applying it in context of their fields.
Author: Dmitry N. Kozlov
Publisher: American Mathematical Society
ISBN: 1470464551
Category : Mathematics
Languages : en
Pages : 339
Get Book Here
Book Description
Applied topology is a modern subject which emerged in recent years at a crossroads of many methods, all of them topological in nature, which were used in a wide variety of applications in classical mathematics and beyond. Within applied topology, discrete Morse theory came into light as one of the main tools to understand cell complexes arising in different contexts, as well as to reduce the complexity of homology calculations. The present book provides a gentle introduction into this beautiful theory. Using a combinatorial approach—the author emphasizes acyclic matchings as the central object of study. The first two parts of the book can be used as a stand-alone introduction to homology, the last two parts delve into the core of discrete Morse theory. The presentation is broad, ranging from abstract topics, such as formulation of the entire theory using poset maps with small fibers, to heavily computational aspects, providing, for example, a specific algorithm of finding an explicit homology basis starting from an acyclic matching. The book will be appreciated by graduate students in applied topology, students and specialists in computer science and engineering, as well as research mathematicians interested in learning about the subject and applying it in context of their fields.
Author: K. Hirschfeld
Publisher: Springer
ISBN: 1137490292
Category : Political Science
Languages : en
Pages : 180
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Book Description
The author draws on behavioral ecology to predict the evolution of organized crime in unregulated systems of exchange and the further development of racketeer economies into unstable kleptocratic states. The result is a new model that explains the expansion and contraction of political-economic complexity in prehistoric and contemporary societies.
Author: Jared Diamond
Publisher: Penguin UK
ISBN: 0141976969
Category : History
Languages : en
Pages : 608
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Book Description
From the author of Guns, Germs and Steel, Jared Diamond's Collapse: How Societies Choose to Fail or Survive is a visionary study of the mysterious downfall of past civilizations. Now in a revised edition with a new afterword, Jared Diamond's Collapse uncovers the secret behind why some societies flourish, while others founder - and what this means for our future. What happened to the people who made the forlorn long-abandoned statues of Easter Island? What happened to the architects of the crumbling Maya pyramids? Will we go the same way, our skyscrapers one day standing derelict and overgrown like the temples at Angkor Wat? Bringing together new evidence from a startling range of sources and piecing together the myriad influences, from climate to culture, that make societies self-destruct, Jared Diamond's Collapse also shows how - unlike our ancestors - we can benefit from our knowledge of the past and learn to be survivors. 'A grand sweep from a master storyteller of the human race' - Daily Mail 'Riveting, superb, terrifying' - Observer 'Gripping ... the book fulfils its huge ambition, and Diamond is the only man who could have written it' - Economis 'This book shines like all Diamond's work' - Sunday Times
Author: Dmitry Orlov
Publisher: New Society Publishers
ISBN: 155092527X
Category : Business & Economics
Languages : en
Pages : 291
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Book Description
A user’s guide to economic, political, social and cultural collapse. In the face of political impotence, resource depletion, and catastrophic climate change, many of us have become reconciled to an uncertain future. However, popular perception of how this future might actually unfold varies wildly from "a severe and prolonged recession," to James Howard Kunstler's "long emergency," to the complete breakdown of civilization. In The Five Stages of Collapse , Dmitry Orlov posits a taxonomy of collapse, offering a surprisingly optimistic perspective on surviving the sweeping changes of the day with health and sanity intact. Arguing that it is during periods of disruption and extreme uncertainty that broad cultural change becomes possible, Orlov steers the reader through the challenges of financial, commercial, and political collapse. He suggests that if the first three stages are met with the appropriate responses, further breakdown may be arrested before the extremes of social and cultural collapse are reached. Drawing on a detailed examination of post-collapse societies, including the Somali people of Africa, the Pashtuns of Afghanistan, the Roma of Central and Eastern Europe, and even the Russian mafia, The Five Stages of Collapse describes successful adaptations in areas such as finance, self-governance, and social and cultural organization. These fascinating case studies provide a unique perspective on the characteristics that determine highly resilient communities. Shot through with Orlov's trademark dark humor, this is an invaluable toolkit for creating workable post-collapse solutions. Dmitry Orlov was born in Leningrad, Russia, and immigrated to the United States. He is the author of Reinventing Collapse and maintains the phenomenally popular blog Club Orlov.
Author: Robert D. Putnam
Publisher: Simon & Schuster
ISBN: 1982130849
Category : History
Languages : en
Pages : 592
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Book Description
Updated to include a new chapter about the influence of social media and the Internet—the 20th anniversary edition of Bowling Alone remains a seminal work of social analysis, and its examination of what happened to our sense of community remains more relevant than ever in today’s fractured America. Twenty years, ago, Robert D. Putnam made a seemingly simple observation: once we bowled in leagues, usually after work; but no longer. This seemingly small phenomenon symbolized a significant social change that became the basis of the acclaimed bestseller, Bowling Alone, which The Washington Post called “a very important book” and Putnam, “the de Tocqueville of our generation.” Bowling Alone surveyed in detail Americans’ changing behavior over the decades, showing how we had become increasingly disconnected from family, friends, neighbors, and social structures, whether it’s with the PTA, church, clubs, political parties, or bowling leagues. In the revised edition of his classic work, Putnam shows how our shrinking access to the “social capital” that is the reward of communal activity and community sharing still poses a serious threat to our civic and personal health, and how these consequences have a new resonance for our divided country today. He includes critical new material on the pervasive influence of social media and the internet, which has introduced previously unthinkable opportunities for social connection—as well as unprecedented levels of alienation and isolation. At the time of its publication, Putnam’s then-groundbreaking work showed how social bonds are the most powerful predictor of life satisfaction, and how the loss of social capital is felt in critical ways, acting as a strong predictor of crime rates and other measures of neighborhood quality of life, and affecting our health in other ways. While the ways in which we connect, or become disconnected, have changed over the decades, his central argument remains as powerful and urgent as ever: mending our frayed social capital is key to preserving the very fabric of our society.
Author: Michael C. Ruppert
Publisher: Chelsea Green Publishing
ISBN: 1603582991
Category : Political Science
Languages : en
Pages : 266
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Book Description
The book that inspired the movie Collapse. The world is running short of energy-especially cheap, easy-to-find oil. Shortages, along with resulting price increases, threaten industrialized civilization, the global economy, and our entire way of life. In Confronting Collapse, author Michael C. Ruppert, a former LAPD narcotics officer turned investigative journalist, details the intricate connections between money and energy, including the ways in which oil shortages and price spikes triggered the economic crash that began in September 2008. Given the 96 percent correlation between economic growth and greenhouse gas emissions and the unlikelihood of economic growth without a spike in energy use, Ruppert argues that we are not, in fact, on the verge of economic recovery, but on the verge of complete collapse. Ruppert's truth is not merely inconvenient. It is utterly devastating. But there is still hope. Ruppert outlines a 25-point plan of action, including the creation of a second strategic petroleum reserve for the use of state and local governments, the immediate implementation of a national Feed-in Tariff mandating that electric utilities pay 3 percent above market rates for all surplus electricity generated from renewable sources, a thorough assessment of soil conditions nationwide, and an emergency action plan for soil restoration and sustainable agriculture.
Author: Paul Staniland
Publisher: Cornell University Press
ISBN: 0801471028
Category : Political Science
Languages : en
Pages : 313
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Book Description
Insurgent cohesion is central to explaining patterns of violence, the effectiveness of counterinsurgency, and civil war outcomes. Cohesive insurgent groups produce more effective war-fighting forces and are more credible negotiators; organizational cohesion shapes both the duration of wars and their ultimate resolution. In Networks of Rebellion, Paul Staniland explains why insurgent leaders differ so radically in their ability to build strong organizations and why the cohesion of armed groups changes over time during conflicts. He outlines a new way of thinking about the sources and structure of insurgent groups, distinguishing among integrated, vanguard, parochial, and fragmented groups. Staniland compares insurgent groups, their differing social bases, and how the nature of the coalitions and networks within which these armed groups were built has determined their discipline and internal control. He examines insurgent groups in Afghanistan, 1975 to the present day, Kashmir (1988–2003), Sri Lanka from the 1970s to the defeat of the Tamil Tigers in 2009, and several communist uprisings in Southeast Asia during the Cold War. The initial organization of an insurgent group depends on the position of its leaders in prewar political networks. These social bases shape what leaders can and cannot do when they build a new insurgent group. Counterinsurgency, insurgent strategy, and international intervention can cause organizational change. During war, insurgent groups are embedded in social ties that determine they how they organize, fight, and negotiate; as these ties shift, organizational structure changes as well.
Author: Marianne M. Jennings
Publisher: St. Martin's Press
ISBN: 1466824255
Category : Business & Economics
Languages : en
Pages : 552
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Book Description
Do you want to make sure you · Don't invest your money in the next Enron? · Don't go to work for the next WorldCom right before the crash? · Identify and solve problems in your organization before they send it crashing to the ground? Marianne Jennings has spent a lifetime studying business ethics---and ethical failures. In demand nationwide as a speaker and analyst on business ethics, she takes her decades of findings and shows us in The Seven Signs of Ethical Collapse the reasons that companies and nonprofits undergo ethical collapse, including: · Pressure to maintain numbers · Fear and silence · Young 'uns and a larger-than-life CEO · A weak board · Conflicts · Innovation like no other · Belief that goodness in some areas atones for wrongdoing in others Don't watch the next accounting disaster take your hard-earned savings, or accept the perfect job only to find out your boss is cooking the books. If you're just interested in understanding the (not-so) ethical underpinnings of business today, The Seven Signs of Ethical Collapse is both a must-have tool and a fascinating window into today's business world.
Author: Pablo Servigne
Publisher: John Wiley & Sons
ISBN: 1509541403
Category : Political Science
Languages : en
Pages : 142
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Book Description
What if our civilization were to collapse? Not many centuries into the future, but in our own lifetimes? Most people recognize that we face huge challenges today, from climate change and its potentially catastrophic consequences to a plethora of socio-political problems, but we find it hard to face up to the very real possibility that these crises could produce a collapse of our entire civilization. Yet we now have a great deal of evidence to suggest that we are up against growing systemic instabilities that pose a serious threat to the capacity of human populations to maintain themselves in a sustainable environment. In this important book, Pablo Servigne and Raphaël Stevens confront these issues head-on. They examine the scientific evidence and show how its findings, often presented in a detached and abstract way, are connected to people’s ordinary experiences – joining the dots, as it were, between the Anthropocene and our everyday lives. In so doing they provide a valuable guide that will help everyone make sense of the new and potentially catastrophic situation in which we now find ourselves. Today, utopia has changed sides: it is the utopians who believe that everything can continue as before, while realists put their energy into making a transition and building local resilience. Collapse is the horizon of our generation. But collapse is not the end – it’s the beginning of our future. We will reinvent new ways of living in the world and being attentive to ourselves, to other human beings and to all our fellow creatures.
Author: Jimmy C.M. Kao
Publisher: CRC Press
ISBN: 1351849379
Category : Science
Languages : en
Pages : 1667
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Book Description
This two-volume work contains the papers presented at the 2016 International Conference on Civil, Architecture and Environmental Engineering (ICCAE 2016) that was held on 4-6 November 2016 in Taipei, Taiwan. The meeting was organized by China University of Technology and Taiwan Society of Construction Engineers and brought together professors, researchers, scholars and industrial pioneers from all over the world. ICCAE 2016 is an important forum for the presentation of new research developments, exchange of ideas and experience and covers the following subject areas: Structural Science & Architecture Engineering, Building Materials & Materials Science, Construction Equipment & Mechanical Science, Environmental Science & Environmental Engineering, Computer Simulation & Computer and Electrical Engineering.
