This book probes the stable marriage problem and its variants as a rich source of problems and ideas that illustrate both the design and analysis of efficient algorithms. It covers the most recent structural and algorithmic work on stable matching problems, simplifies and unifies many earlier proofs, strengthens several earlier results, and presents new results and more efficient algorithms. The authors develop the structure of the set of stable matchings in the stable marriage problem in a more general and algebraic context than has been done previously; they discuss the problem's structure in terms of rings of sets, which allows many of the most useful features to be seen as features of a more general set of problems. The relationship between the structure of the stable marriage problem and the more general stable roommates problem is demonstrated, revealing many commonalities. The results the authors obtain provide an algorithmic response to the practical, and political, problems created by the asymmetry inherent in the Gale Shapley solutions, leading to alternative methods and better compromises than are provided by the Gale Shapley method. And, in contrast to Donald Knuth's earlier work which primarily focused on the application of mathematics to the analysis of algorithms, this book illustrates the productive and almost inseparable relationship between mathematical insight and the design of efficient algorithms. Dan Gusfield is Associate Professor of Computer Science at the University of California, Davis. Robert W. Irving is Senior Lecturer in Computing Science at the University of Glasgow. The Stable Marriage Problem is included in the Foundations of Computing Series, edited by Michael Garey and Albert Meyer.
Conventional wisdom credits only entrepreneurs with the vision to create America's commercial airline industry and contends that it was not until Roosevelt's Civil Aeronautics Act of 1938 that federal airline regulation began. In Airlines and Air Mail, F. Robert van der Linden persuasively argues that Progressive republican policies of Herbert Hoover actually fostered the growth of American commercial aviation. Air mail contracts provided a critical indirect subsidy and a solid financial foundation for this nascent industry. Postmaster General Walter F. Brown used these contracts as a carrot and a stick to ensure that the industry developed in the public interest while guaranteeing the survival of the pioneering companies. Bureaucrats, entrepreneurs, and politicians of all stripes are thoughtfully portrayed in this thorough chronicle of one of America's most resounding successes, the commercial aviation industry.
The creation of the Confederate States of America and the subsequent Civil War inspired composers, lyricists, and music publishers in Southern and border states, and even in foreign countries, to support the new nation. Confederate-imprint sheet music articulated and encouraged Confederate nationalism, honored soldiers and military leaders, comforted family and friends, and provided diversion from the hardships of war. This is the first comprehensive history of the sheet music of the Confederacy. It covers works published before the war in Southern states that seceded from the Union, and those published during the war in Union occupied capitals, border and Northern states, and foreign countries. It is also the first work to examine the contribution of postwar Confederate-themed sheet music to the South's response to its defeat, to the creation and fostering of Lost Cause themes, and to the promotion of national reunion and reconciliation.
The contributors to this volume, based on the Agriculture Research Seminars held annually at the University of Minnesota, examine the role of government, multinationals, and the emerging private sector (in both domestic and international contexts) in determining agricultural research policy.
Separated into 10 subject matters, the book contains numerous poems and short stories reflecting how my life experiences and the hundreds of books I have read. The subjects are relevant to everyone; Passing, Man, Wisdom, Time, Personal, History, Life, Woman, Metaphysics, and Religion.
In his bestselling The Moral Animal, Robert Wright applied the principles of evolutionary biology to the study of the human mind. Now Wright attempts something even more ambitious: explaining the direction of evolution and human history–and discerning where history will lead us next. In Nonzero: The Logic of Human Destiny, Wright asserts that, ever since the primordial ooze, life has followed a basic pattern. Organisms and human societies alike have grown more complex by mastering the challenges of internal cooperation. Wright's narrative ranges from fossilized bacteria to vampire bats, from stone-age villages to the World Trade Organization, uncovering such surprises as the benefits of barbarian hordes and the useful stability of feudalism. Here is history endowed with moral significance–a way of looking at our biological and cultural evolution that suggests, refreshingly, that human morality has improved over time, and that our instinct to discover meaning may itself serve a higher purpose. Insightful, witty, profound, Nonzero offers breathtaking implications for what we believe and how we adapt to technology's ongoing transformation of the world.
The story of this special battalion is vast and encompasses almost every campaign of the Army of Northern Virginia. From skirmishes in which a couple of rounds were fired to full-scale battles in which the guns went through hundreds of rounds, the horse artillery was engaged from the outskirts of Harrisburg, Pennsylvania, to the battle at Bentonville, North Carolina. But the history of the battalion was more than just the battles it fought. The men had their own stories to tell.
La Grange was incorporated in 1879, and La Grange Park in 1892. Both areas were farmland before being developed as residential communities. Today, a large section of La Grange is a National Register Historic District, and this area is dominated by large Victorian and early-twentieth-century homes. In fact, the most striking feature of La Grange and La Grange Park is the well-preserved state of their vintage housing. Both villages have maintained a small-town look and feel that has attracted many families to the area. During World War I, the Marx Brothers, in order to avoid military service, bought a farm just south of the La Grange village limits. A biography of Groucho includes some humorous recollections of life on that farm. La Grange is also lucky enough to be home to three Frank Lloyd Wright houses. Outside of these well-known attributes of La Grange and La Grange Park, the authors also explore the history of the early settlers of the area and show how the residents lived, worked, played, worshiped, and attended school in the nineteenth and early twentieth centuries. Through the use of over 200 vintage photographs from the La Grange Area Historical Society, individual residents, and community organizations, RoseAnna and Robert Mueller offer a glimpse of La Grange's old-fashioned streets that have made La Grange a popular setting for local television commercials and even the odd Hollywood film.
Comprehensive synthesis of ancient Maya scholarship. Extensive summary of the archaeology of the Maya world provides the historical context for a detailed topical synthesis of chronological and geographic variability within the Maya cultural tradition"--
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