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The book presents a unified and well-developed approach to the dynamics of angular motions of rigid bodies subjected to perturbation torques of different physical nature. It contains both the basic foundations of the rigid body dynamics and of the asymptotic method of averaging. The rigorous approach based on the averaging procedure is applicable to bodies with arbitrary ellipsoids of inertia. Action of various perturbation torques, both external (gravitational, aerodynamical, solar pressure) and internal (due to viscous fluid in tanks, elastic and visco-elastic properties of a body) is considered in detail. The book can be used by researchers, engineers and students working in attitude dynamics of spacecraft.
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Ukraine is embroiled in a bloody civil war. Both sides stand accused of collaborating with fascists, of committing war crimes, of serving foreign interests. This proxy-war between Russia and the West was accompanied by a fierce information war. This book separates fact from fiction with extensive and reliable documentation. While remaining critical of Russia and the Donbass rebellion, De Ploeg demonstrates that many of the recent disasters can be traced to Ukrainian ultranationalists, pro-western political elites and their European and North-American backers. Ukraine in the Crossfire tackles the importance of ultranationalist violence during and after the EuroMaidan movement, and documents h...
In this fascinating book, Vic Satzewich traces one hundred and twenty-five years of Ukranian migration, from the economic migration at the end of the nineteenth century to the political migration during the inter-war period and throughout the 1960s and 1980s resulting from the troubled relationship between Russia and the Ukraine. The author looks at the ways the Ukranian Diaspora has retained its identity, at the different factions within it and its response to the war crimes trials of the 1980s.
In this book we have developed the asymptotic analysis of nonlinear dynamical systems. We have collected a large number of results, scattered throughout the literature and presented them in a way to illustrate both the underlying common theme, as well as the diversity of problems and solutions. While most of the results are known in the literature, we added new material which we hope will also be of interest to the specialists in this field. The basic theory is discussed in chapters two and three. Improved results are obtained in chapter four in the case of stable limit sets. In chapter five we treat averaging over several angles; here the theory is less standardized, and even in our simplif...
State Building in Revolutionary Ukraine examines six attempts to create governments on Ukrainian territories between 1917 and 1922. Focusing on how political leaders formed and staffed administrations, this study shows that in Ukraine during this time, there was an available pool of able administrators sufficiently competent in Ukrainian to work as bureaucrats in the independent national governments. These people could sometimes implement policies, a significant accomplishment in light of the upheavals of the time. Stephen Velychenko compares Ukrainian efforts to create an independent national government with the analogous successful efforts made in Russia, Poland, Ireland and Czechoslovakia. He questions the notion that Ukrainian attempts at national independence failed because its society was 'incomplete' and its leaders unable to organize an effective administration. Pointing out that Bolshevik administrations at the time were no more effective in implementing policies than their rivals, Velychenko argues that more effective governance was not one of the reasons for the Russian Bolshevik victory in Ukraine.
This book provides clear presentations of more than sixty important unsolved problems in mathematical systems and control theory. Each of the problems included here is proposed by a leading expert and set forth in an accessible manner. Covering a wide range of areas, the book will be an ideal reference for anyone interested in the latest developments in the field, including specialists in applied mathematics, engineering, and computer science. The book consists of ten parts representing various problem areas, and each chapter sets forth a different problem presented by a researcher in the particular area and in the same way: description of the problem, motivation and history, available results, and bibliography. It aims not only to encourage work on the included problems but also to suggest new ones and generate fresh research. The reader will be able to submit solutions for possible inclusion on an online version of the book to be updated quarterly on the Princeton University Press website, and thus also be able to access solutions, updated information, and partial solutions as they are developed.