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Kenneth Brakke studies in general dimensions a dynamic system of surfaces of no inertial mass driven by the force of surface tension and opposed by a frictional force proportional to velocity. He formulates his study in terms of varifold surfaces and uses the methods of geometric measure theory to develop a mathematical description of the motion of a surface by its mean curvature. This mathematical description encompasses, among other subtleties, those of changing geometries and instantaneous mass losses.Originally published in 1978.The Princeton Legacy Library uses the latest print-on-demand technology to again make available previously out-of-print books from the distinguished backlist of Princeton University Press. These editions preserve the original texts of these important books while presenting them in durable paperback and hardcover editions. The goal of the Princeton Legacy Library is to vastly increase access to the rich scholarly heritage found in the thousands of books published by Princeton University Press since its founding in 1905.

"e;The first thing I recognize as the beginning of a poem,"e; writes Richard Pevear, "e;is a distinct rhythm, not only of stress but of movement. Once I hear it, I can find words for it. But the essential thing, finally, is simultaneity-the completion of a shape, a thought, an emotion, a figure, all at the same time. The Trojan War, the figures of Greek tragedy, certain elements of the Gospels, the stories of Malory, are parts of my personal language."e;Originally published in 1978.The Princeton Legacy Library uses the latest print-on-demand technology to again make available previously out-of-print books from the distinguished backlist of Princeton University Press. These editions preserve the original texts of these important books while presenting them in durable paperback and hardcover editions. The goal of the Princeton Legacy Library is to vastly increase access to the rich scholarly heritage found in the thousands of books published by Princeton University Press since its founding in 1905.

In this volume thirteen American and European scholars show how a variety of mathematical tools may be used to attack major questions in the history of parliamentary behavior. Their essays treat key topics related to the varied but comparable circumstances of seven countries. These topics include: recruitment and career patterns; actions and decisi

Profound changes have occurred in the demography and sociology of Italian fertility since Napoleonic times. Using the statistical system instituted in 1861 with national unification, Massimo Livi-Bacci provides a systematic and detailed analysis of fertility trends in Italy in the nineteenth and twentieth centuries. He brings to light the main features of the secular decline: its rapid occurrence in the northern and central areas; the widening urban-rural gap; the shaping of social and economic differences; and the late, slow downward trend in the South. Multivariate statistical analysis enables the author to measure the changing relationship between fertility and social or economic phenomena. Historical evidence illustrates the effect on fertility of mass emigration and Fascist policy as well as of social changes such as those in agrarian structure, mobility, and communications. An altered attitude toward procreation is evident in some parts of Italy in the early nineteenth century. The decline becomes apparent in certain northern and central regions in the 1870s and 1880s and it appears at the aggregate national level in the 1890s.Originally published in 1977.The Princeton Legacy Library uses the latest print-on-demand technology to again make available previously out-of-print books from the distinguished backlist of Princeton University Press. These editions preserve the original texts of these important books while presenting them in durable paperback and hardcover editions. The goal of the Princeton Legacy Library is to vastly increase access to the rich scholarly heritage found in the thousands of books published by Princeton University Press since its founding in 1905.

The effect of climate on historical change represents an exciting frontier for reading and research. In this volume scholars contribute to an area of interdisciplinary study which has not been systematically explored by climatologists and historians working together. Originally published in 1981. The Princeton Legacy Library uses the latest print

Translation of: Hamamatsu Chaunagon monogatari / Sugawara no Takasue no Musume.

In this book, Robert Israel considers classical and quantum lattice systems in terms of equilibrium statistical mechanics. He is especially concerned with the characterization of translation-invariant equilibrium states by a variational principle and the use of convexity in studying these states. Arthur Wightman's Introduction gives a general and historical perspective on convexity in statistical mechanics and thermodynamics. Professor Israel then reviews the general framework of the theory of lattice gases. In addition to presenting new and more direct proofs of some known results, he uses a version of a theorem by Bishop and Phelps to obtain existence results for phase transitions. Furthermore, he shows how the Gibbs Phase Rule and the existence of a wide variety of phase transitions follow from the general framework and the theory of convex functions. While the behavior of some of these phase transitions is very "e;pathological,"e; others exhibit more "e;reasonable"e; behavior. As an example, the author considers the isotropic Heisenberg model. Formulating a version of the Gibbs Phase Rule using Hausdorff dimension, he shows that the finite dimensional subspaces satisfying this phase rule are generic.Originally published in 1979.The Princeton Legacy Library uses the latest print-on-demand technology to again make available previously out-of-print books from the distinguished backlist of Princeton University Press. These editions preserve the original texts of these important books while presenting them in durable paperback and hardcover editions. The goal of the Princeton Legacy Library is to vastly increase access to the rich scholarly heritage found in the thousands of books published by Princeton University Press since its founding in 1905.

Looking at the theory and practice of privatization in its broadest manifestations, the contributors to this volume scrutinize the combination of public and private initiatives that makes up the present U.S. social sector. As they discuss privatization both in production and delivery of services and in financing, they reveal complexities that have

In this work a distinguished scholar of Islamic religion examines the mysticism and psychological thought of the great eleventh-century Persian philosopher and physician Avicenna (Ibn Sina), author of over a hundred works on theology, logic, medicine, and mathematics. Henry Corbin's discovery in an Istanbul library of the manuscript of a Persian translation of and commentary on Avicenna's Hayy ibn Yaqzan, written in Arabic, led him to an analysis of three of Avicenna's mystical "e;recitals."e; These form an initiatory cycle leading the adept along the path of spiritual progress. In Part I Corbin summarizes the great themes that show the philosophical situation of Avicennan man in the cosmos and presents translations of these three great Avicennan recitals. Part II is a complete translation, with notes, of the Persian commentary.Originally published in 1960.The Princeton Legacy Library uses the latest print-on-demand technology to again make available previously out-of-print books from the distinguished backlist of Princeton University Press. These editions preserve the original texts of these important books while presenting them in durable paperback and hardcover editions. The goal of the Princeton Legacy Library is to vastly increase access to the rich scholarly heritage found in the thousands of books published by Princeton University Press since its founding in 1905.

Recently a symbiotic relationship between particle and nuclear physics has developed, with techniques and ideas from one field fertilizing developments in the other. This work outlines concepts from modern particle physics important to the current understanding of nuclear physics and reviews experiments involving nuclei which have influenced the present particle physics view of the weak interaction. In his discussion, the author summarizes both past and present activity in the field and identifies areas for future work. Familiarity with quantum mechanics is assumed in the presentation of ideas in this book intended for readers at the graduate level and beyond. A major goal of Weak Interactions in Nuclei is to encourage further activity at the intersection of particle and nuclear physics, two path-breaking areas of study in modern physics.Originally published in 1989.The Princeton Legacy Library uses the latest print-on-demand technology to again make available previously out-of-print books from the distinguished backlist of Princeton University Press. These editions preserve the original texts of these important books while presenting them in durable paperback and hardcover editions. The goal of the Princeton Legacy Library is to vastly increase access to the rich scholarly heritage found in the thousands of books published by Princeton University Press since its founding in 1905.

For over four centuries the principal source of Christian European knowledge of Islam stemmed from a project sponsored by Peter the Venerable, ninth abbot of Cluny, in 1142. This consisted of Latin translations of five Arabic works, including the first translation of the Koran in a western language. Known as the Toledan Collection, it was eventually printed in 1543 with an introduction by Martin Luther. The abbot also completed a handbook of Islam beliefs and a major analytical and polemical work, Liber contra sectam Saracenorum; annotated editions of these texts are included in this book.Originally published in 1964.The Princeton Legacy Library uses the latest print-on-demand technology to again make available previously out-of-print books from the distinguished backlist of Princeton University Press. These editions preserve the original texts of these important books while presenting them in durable paperback and hardcover editions. The goal of the Princeton Legacy Library is to vastly increase access to the rich scholarly heritage found in the thousands of books published by Princeton University Press since its founding in 1905.