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This textbook provides a comprehensive introduction to the classical and modern calculus of variations, serving as a useful reference to advanced undergraduate and graduate students as well as researchers in the field. Starting from ten motivational examples, the book begins with the most important aspects of the classical theory, including the Direct Method, the Euler-Lagrange equation, Lagrange multipliers, Noether’s Theorem and some regularity theory. Based on the efficient Young measure approach, the author then discusses the vectorial theory of integral functionals, including quasiconvexity, polyconvexity, and relaxation. In the second part, more recent material such as rigidity in di...
Investment and risk management problems are fundamental problems for financial institutions and involve both speculative and hedging decisions. A structured approach to these problems naturally leads one to the field of applied mathematics in order to translate subjective probability beliefs and attitudes towards risk and reward into actual decisions. In Risk and Portfolio Analysis the authors present sound principles and useful methods for making investment and risk management decisions in the presence of hedgeable and non-hedgeable risks using the simplest possible principles, methods, and models that still capture the essential features of the real-world problems. They use rigorous, yet e...
In this rich, eye-opening, and uplifting digital anthology, dozens of esteemed writers, poets, and artists from more than thirty countries send literary dispatches from life during the pandemic. Net proceeds benefit booksellers in need. As our world is transformed by the coronavirus pandemic, writers offer a powerful antidote to the fearful confines of isolation: a window onto lives and corners of the world beyond our own. In Mauritius, a journalist contends with denialism and mourns the last days of summer, lost to the lockdown. In Paris, a writer struggles to protect his young son from fear. In Chile, protesters who prevailed against tear gas and rubber bullets are now halted by a virus. I...
This is a book about how management and control decisions are made by persons who collaborate and possibly use the support of an information system. The decision is the result of human conscious activities aiming at choosing a course of action for attaining a certain objective (or a set of objectives). The act of collaboration implies that several entities who work together and share responsibilities to jointly plan, implement and evaluate a program of activities to achieve the common goals. The book is intended to present a balanced view of the domain to include both well-established concepts and a selection of new results in the domains of methods and key technologies. It is meant to answe...
This book examines the relationship that prevails between the state and freedom in the works of Milton Friedman and Friedrich Hayek, as well as those of some of their peers, including Gary Becker, James Buchanan, and George Stigler. The author explains that their concept of freedom was largely derived from the principles and values of neo-liberalism. However, she maintains that neo-liberals never cared about providing the masses with genuine freedom; rather, they value freedom for its instrumental value in terms of facilitating the global spread of free-market capitalism. The author explains that the neo-liberal concept of freedom has been a very useful tool in promoting the superiority of f...
This book describes the design of optical receivers that use the most economical integration technology, while enabling performance that is typically only found in very expensive devices. To achieve this, all necessary functionality, from light detection to digital output, is integrated on a single piece of silicon. All building blocks are thoroughly discussed, including photodiodes, transimpedance amplifiers, equalizers and post amplifiers.
Only with the advent of computed tomography and magnetic resonance imaging have radiologists become familiar with this uncommon pathology. The emphasis here is on MRI, as it guarantees the most accurate diagnosis of soft tissue tumours. Because of their rarity, multi-centric studies are necessary to collect statistically relevant numbers of these tumours and so assess the value of new imaging techniques in their detection, staging, grading, tissue characterisation, and post-treatment follow-up. This is a reflection of the work of a prestigious European study group of more than 30 such co-investigators - including experts on medical imaging - who collected more than 800 documented and histologically proven cases of soft tissue tumours. For each tumour type, 10-12 cases are shown, supported by 3-4 photos. Unsurpassed in its collection of case studies.
This book contains 16 chapters by researchers working in various fields of data science. They focus on theory and applications in language technologies, optimization, computational thinking, intelligent decision support systems, decomposition of signals, model-driven development methodologies, interoperability of enterprise applications, anomaly detection in financial markets, 3D virtual reality, monitoring of environmental data, convolutional neural networks, knowledge storage, data stream classification, and security in social networking. The respective papers highlight a wealth of issues in, and applications of, data science. Modern technologies allow us to store and transfer large amount...
This book provides a complex, socio-anthropological analysis of organized crime operating in the Vietnamese diaspora in the Czech Republic, and its international implications. Currently, there are about four million people of Vietnamese descent living in this diaspora and many other countries, looking for an opportunity to improve their lives. This book draws upon original and primary research including interviews, participant observation and documentary analysis to trace the migration and history of the Vietnamese diaspora in the Czech Republic. It highlights the influence of crime, criminality and Vietnamese organized crime on the social organization and everyday life of the diaspora. It also examines the whole range of organized crime activities that they engage in and argues that they develop contemporary diasporic Asian crime networks which are shaped by the social environment of the host countries. This unique book contributes to the discourse on the changing identities of the migrants and analyses this crime in a comparative perspective - particularly focusing on Central Europe - to provide insights on migration and crime for a wider international audience.
Lying at the crucible of Central Europe, the Silesian village of Kupferberg suffered the violence of the Thirty Years War, the Napoleonic Wars, the World War I. After Stalin's post-World War II redrawing of Poland's borders, Kupferberg became Miedzianka, a town settled by displaced people from all over Poland and a new center of the Eastern Bloc's uranium-mining industry. Decades of neglect and environmental degradation led to the town being declared uninhabitable, and the population was evacuated. Today, it exists only in ruins, with barely a hundred people living on the unstable ground above its collapsing mines. Springer catalogs the lost human elements: the long-departed tailor and deceased shopkeeper; the parties, now silenced, that used to fill the streets with shouts and laughter, and the once-beautiful cemetery, with gravestones upended by tractors and human bones scattered by dogs. In Miedzianka, Springer sees a microcosm of European history, and a powerful narrative of how the ghosts of the past continue to haunt us in the present--Provided by the publisher.