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This book takes the reader on a journey through the world of college mathematics, focusing on some of the most important concepts and results in the theories of polynomials, linear algebra, real analysis, differential equations, coordinate geometry, trigonometry, elementary number theory, combinatorics, and probability. Preliminary material provides an overview of common methods of proof: argument by contradiction, mathematical induction, pigeonhole principle, ordered sets, and invariants. Each chapter systematically presents a single subject within which problems are clustered in each section according to the specific topic. The exposition is driven by nearly 1300 problems and examples chosen from numerous sources from around the world; many original contributions come from the authors. The source, author, and historical background are cited whenever possible. Complete solutions to all problems are given at the end of the book. This second edition includes new sections on quad ratic polynomials, curves in the plane, quadratic fields, combinatorics of numbers, and graph theory, and added problems or theoretical expansion of sections on polynomials, matrices, abstract algebra, limits of sequences and functions, derivatives and their applications, Stokes' theorem, analytical geometry, combinatorial geometry, and counting strategies. Using the W.L. Putnam Mathematical Competition for undergraduates as an inspiring symbol to build an appropriate math background for graduate studies in pure or applied mathematics, the reader is eased into transitioning from problem-solving at the high school level to the university and beyond, that is, to mathematical research. This work may be used as a study guide for the Putnam exam, as a text for many different problem-solving courses, and as a source of problems for standard courses in undergraduate mathematics. Putnam and Beyond is organized for independent study by undergraduate and gradu ate students, as well as teachers and researchers in the physical sciences who wish to expand their mathematical horizons.
"The bestselling author of Bowling Alone offers [an] ... examination of the American Dream in crisis--how and why opportunities for upward mobility are diminishing, jeopardizing the prospects of an ever larger segment of Americans"--
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.
From the author of Bowling Alone and Our Kids, a “sweeping yet remarkably accessible” (The Wall Street Journal) analysis that “offers superb, often counterintuitive insights” (The New York Times) to demonstrate how we have gone from an individualistic “I” society to a more communitarian “We” society and then back again, and how we can learn from that experience to become a stronger, more unified nation. Deep and accelerating inequality; unprecedented political polarization; vitriolic public discourse; a fraying social fabric; public and private narcissism—Americans today seem to agree on only one thing: This is the worst of times. But we’ve been here before. During the Gilded Age of the late 1800s, America was highly individualistic, starkly unequal, fiercely polarized, and deeply fragmented, just as it is today. However as the twentieth century opened, America became—slowly, unevenly, but steadily—more egalitarian, more cooperative, more generous; a society on the upswing, more focused on our responsibilities to one another and less focused on our narrower self-interest. Sometime during the 1960s, however, these trends reversed, leaving us in today’s disarray. In a sweeping overview of more than a century of history, drawing on his inimitable combination of statistical analysis and storytelling, Robert Putnam analyzes a remarkable confluence of trends that brought us from an “I” society to a “We” society and then back again. He draws inspiring lessons for our time from an earlier era, when a dedicated group of reformers righted the ship, putting us on a path to becoming a society once again based on community. Engaging, revelatory, and timely, this is Putnam’s most ambitious work yet, a fitting capstone to a brilliant career.
"A classic."—New York Times "Seminal, epochal, path-breaking . . . a Democracy in America for our times."—The Nation From the bestselling author of Bowling Alone, a landmark account of the secret of successful democracies Why do some democratic governments succeed and others fail? In a book that has received attention from policymakers and civic activists in America and around the world, acclaimed political scientist and bestselling author Robert Putnam and his collaborators offer empirical evidence for the importance of "civic community" in developing successful institutions. Their focus is on a unique experiment begun in 1970, when Italy created new governments for each of its regions. After spending two decades analyzing the efficacy of these governments in such fields as agriculture, housing, and healthcare, they reveal patterns of associationism, trust, and cooperation that facilitate good governance and economic prosperity. The result is a landmark book filled with crucial insights about how to make democracy work.
This third volume of problems from the William Lowell Putnam Competition is unlike the previous two in that it places the problems in the context of important mathematical themes. The authors highlight connections to other problems, to the curriculum and to more advanced topics. The best problems contain kernels of sophisticated ideas related to important current research, and yet the problems are accessible to undergraduates. The solutions have been compiled from the American Mathematical Monthly, Mathematics Magazine and past competitors. Multiple solutions enhance the understanding of the audience, explaining techniques that have relevance to more than the problem at hand. In addition, the book contains suggestions for further reading, a hint to each problem, separate from the full solution and background information about the competition. The book will appeal to students, teachers, professors and indeed anyone interested in problem solving as a gateway to a deep understanding of mathematics.
In the generations after emancipation, hundreds of thousands of African-descended working-class men and women left their homes in the British Caribbean to seek opportunity abroad: in the goldfields of Venezuela and the cane fields of Cuba, the canal construction in Panama, and the bustling city streets of Brooklyn. But in the 1920s and 1930s, racist nativism and a brutal cascade of antiblack immigration laws swept the hemisphere. Facing borders and barriers as never before, Afro-Caribbean migrants rethought allegiances of race, class, and empire. In Radical Moves, Lara Putnam takes readers from tin-roof tropical dancehalls to the elegant black-owned ballrooms of Jazz Age Harlem to trace the roots of the black-internationalist and anticolonial movements that would remake the twentieth century. From Trinidad to 136th Street, these were years of great dreams and righteous demands. Praying or "jazzing," writing letters to the editor or letters home, Caribbean men and women tried on new ideas about the collective. The popular culture of black internationalism they created--from Marcus Garvey's UNIA to "regge" dances, Rastafarianism, and Joe Louis's worldwide fandom--still echoes in the present.
How you give matters. Discover philanthropic strategies for creating transformational change. Whether you regularly donate to charity, run a small family foundation, or are responsible for millions of dollars in grants, you are a philanthropist. Delusional Altruism: Why Philanthropists Fail To Achieve Change and What They Can Do To Transform Giving looks at how you can create transformational change. It reminds us that how we give is as important as the amount we give. The author describes common practices that hinder transformational change and explains how to avoid them, ensuring that your gifts help create the impact you seek. Delusional Altruism—a set of all-too-common errors in philanthropic strategy—can derail a program of giving and result in a loss of efficiency and effectiveness. This book asks philanthropists and charitable organizations to consider whether they have fallen under the spell of Delusional Altruism. Are you cutting out impactful giving in order to save money or avoid uncertainty? Is your philanthropic approach unnecessarily restricted by traditional thinking? This book will help you answer these questions and determine how you can achieve better outcomes through the process of Transformational Giving. Ask questions that spur learning and fuel innovation Believe that investment in yourself and your operation is important Increase the speed of your actions to increase the impact of your giving Give in ways that create lasting, sustainable change Follow strategies to make your philanthropy unstoppable Although enhanced opportunities for philanthropic giving are on the horizon, changes to philanthropic practice are needed to prevent this philanthropy boom from becoming under-leveraged. Implementing updated approaches now can lead to positive change for the future. Read Delusional Altruism to learn how you can transform reality with strategic giving.
There are no limits to the many ways we can paint with oils. Award-winning Modern Impressionist Lori Putnam demonstrates six of her most-often utilized methods. Images illustrate, step-by-step, her processes from critical thinking and preparation to expression and completion. Read tips about color, value, paint application, treatment of edges, design, and more. To improve your work through self-critique, you will learn what internal questions to ask along the way.
In his acclaimed bestselling book, Bowling Alone: The Collapse and Revival of American Community, Robert Putnam described a thirty-year decline in America's social institutions. The book ended with the hope that new forms of social connection might be invented in order to revive our communities. In Better Together, Putnam and longtime civic activist Lewis Feldstein describe some of the diverse locations and most compelling ways in which civic renewal is taking place today. In response to civic crises and local problems, they say, hardworking, committed people are reweaving the social fabric all across America, often in innovative ways that may turn out to be appropriate for the twenty-first century. Better Together is a book of stories about people who are building communities to solve specific problems. The examples Putnam and Feldstein describe span the country from big cities such as Philadelphia, San Francisco, and Chicago to the Los Angeles suburbs, small Mississippi and Wisconsin towns, and quiet rural areas. The projects range from the strictly local to that of the men and women of UPS, who cover the nation. Bowling Alone looked at America from a broad and general perspective. Better Together takes us into Catherine Flannery's Roxbury, Massachusetts, living room, a UPS loading dock in Greensboro, North Carolina, a Philadelphia classroom, the Portsmouth, New Hampshire, naval shipyard, and a Bay Area Web site. We meet activists driven by their visions, each of whom has chosen to succeed by building community: Mexican Americans in the Rio Grande Valley who want paved roads, running water, and decent schools; Harvard University clerical workers searching for respect and improved working conditions; Waupun, Wisconsin, schoolchildren organizing to improve safety at a local railroad crossing; and merchants in Tupelo, Mississippi, joining with farmers to improve their economic status. As the stories in Better Together demonstrate, bringing people together by building on personal relationships remains one of the most effective strategies to enhance America's social health.