Congestion games are a fundamental class of games widely considered and studied in non-cooperative game theory, introduced to model several realistic scenarios in which people share a limited quantity of goods or services. In congestion games there are several selfish players competing for a set of resources, and each resource incurs a certain latency, expressed by a congestion-dependent function, to the players using it. Each player has a certain weight and an available set of strategies, where each strategy is a non-empty subset of resources, and aims at choosing a strategy minimizing her personal cost, which is defined as the sum of the latencies experienced on all the selected resources. The impact of selfish behavior in congestion games generally deteriorates the social welfare, thus reducing their performance. This deterioration is generally estimated by the price of anarchy, a metric that compares the worst Nash equilibrium configuration with the optimal social welfare, so that the larger the price of anarchy for a game, the higher the impact of selfish behavior. The book derives from the first author's thesis, which won the Best Italian PhD Thesis in Theoretical Computer Science in 2019, awarded by the Italian chapter of the EATCS. The book will be revised for broader audience, and the thesis supervisor is joining as coauthor following the suggestion of the series. The authors will introduce examples for initial definitions with detailed explanations, and expand the scope to the broader results in the area rather than their specific work.
This book analyzes the fundamental aspects of graphically depicting a wide variety of jewelry: the relationships of volume, balance between full and empty, treatment of metal surfaces, materials and chiaroscuro play. The goal is not to show finished pieces of jewelry but to provide the tools that will enable readers to acquire a work method that allows them to represent their ideas effectively.
Congestion games are a fundamental class of games widely considered and studied in non-cooperative game theory, introduced to model several realistic scenarios in which people share a limited quantity of goods or services. In congestion games there are several selfish players competing for a set of resources, and each resource incurs a certain latency, expressed by a congestion-dependent function, to the players using it. Each player has a certain weight and an available set of strategies, where each strategy is a non-empty subset of resources, and aims at choosing a strategy minimizing her personal cost, which is defined as the sum of the latencies experienced on all the selected resources. The impact of selfish behavior in congestion games generally deteriorates the social welfare, thus reducing their performance. This deterioration is generally estimated by the price of anarchy, a metric that compares the worst Nash equilibrium configuration with the optimal social welfare, so that the larger the price of anarchy for a game, the higher the impact of selfish behavior. The book derives from the first author's thesis, which won the Best Italian PhD Thesis in Theoretical Computer Science in 2019, awarded by the Italian chapter of the EATCS. The book will be revised for broader audience, and the thesis supervisor is joining as coauthor following the suggestion of the series. The authors will introduce examples for initial definitions with detailed explanations, and expand the scope to the broader results in the area rather than their specific work.
This is the first book on Piero di Cosimo (1461 1521) widely considered one of the most intriguing figures of the Florentine Renaissance to be written in English for over fifty years. Sharon Fermor presents new solutions to questions the function and iconography that have puzzled commentators hitherto, and examines Piero's approach to pictorial composition and to gesture that contribute to the distinctiveness of his oeuvre. Of crucial importance in this fresh evaluation of Piero's career is the author's explanation of the strategies employed by Vasari for his Life of Piero, written in the mid sixteenth-century. By exposing the misconceptions many still influential today that resulted from Vasari's account, she reveals that even Piero's most unusual paintings on mythological themes are in fact coherent and meaningful compositions, and not the product of an isolated eccentric at odds with the artistic community of his time.
A year after the second edition of his famous translation and commentary on Vitruvius, Daniele Barbaro published The Practice of Perspective, a text he had begun working on many years before. Barbaro was the first to publish a formal treatise entirely dedicated to the science of geometric perspective. In an informal style especially addressed to practicing artists and architects, Barbaro begins by drawing on and expanding the manuscript treatise of Piero della Francesca with regards to basics of perspective constructions for representing three-dimensional solids on two-dimensional media, and then goes on to show that perspective is a particularly suitable instrument for other scientific and artistic applications as well, including cartography, cosmology, stage set design, and anamorphosis. Here for the first time Barbaro’s The Practice of Perspective is made available to contemporary scholars in an English translation, augmented by annotations relating the printed treatise to the three unpublished manuscripts in Italian and Latin of the work now conserved in Venice’s Biblioteca Nazionale Marciana. A foreword by Philip Steadman sets the stage for this book. In-depth essays by authors Kim Williams and Cosimo Monteleone situate the treatise within the editorial panorama of the Cinquecento, outline the innovations that Barbaro brought to the study of perspective, and focus particularly on his creative explorations of geometric solids and the construction of clocks. Sometimes dismissed in recent studies as a compilation of known principles, the aim of this present book is to reveal the truly innovative nature of Barbaro’s experiments and results and restore him to his rightful place as an original scholar of Renaissance perspective theory.
This book presents the psychoanalyst with the question of how our enormously modified environmental conditions determine our subjective mental changes and vice versa. The gravity of the environmental crisis is amply clear and yet, in the face of such incontrovertible evidence, there is an emotional, more than cognitive, difficulty in comprehending the present reality and its future consequences. In understanding the collective imagination as permeating the individual one and vice versa, this book investigates this relationship of mutual co-determination between the individual traumatic stories told and experienced in the consulting room and the positive or negative environmental attitudes exhibited by patients. The pairing of clinical vignettes with dispatches from the collective imagination sheds light on the confused affective investments and anxieties that propel pathological defenses, such as negation, suppression, intellectualization, displacement, and disavowal. The final chapter concludes with notes on the role of hope in a damaged world and the importance of integrity within the psychoanalytic field and beyond. This book will be of great interest to psychoanalysts, psychotherapists, and psychiatrists, as well as anthropologists, environmentalists, and ecologists.
Across three volumes, the Handbook of Image Processing and Computer Vision presents a comprehensive review of the full range of topics that comprise the field of computer vision, from the acquisition of signals and formation of images, to learning techniques for scene understanding. The authoritative insights presented within cover all aspects of the sensory subsystem required by an intelligent system to perceive the environment and act autonomously. Volume 1 (From Energy to Image) examines the formation, properties, and enhancement of a digital image. Topics and features: • Describes the fundamental processes in the field of artificial vision that enable the formation of digital images from light energy • Covers light propagation, color perception, optical systems, and the analog-to-digital conversion of the signal • Discusses the information recorded in a digital image, and the image processing algorithms that can improve the visual qualities of the image • Reviews boundary extraction algorithms, key linear and geometric transformations, and techniques for image restoration • Presents a selection of different image segmentation algorithms, and of widely-used algorithms for the automatic detection of points of interest • Examines important algorithms for object recognition, texture analysis, 3D reconstruction, motion analysis, and camera calibration • Provides an introduction to four significant types of neural network, namely RBF, SOM, Hopfield, and deep neural networks This all-encompassing survey offers a complete reference for all students, researchers, and practitioners involved in developing intelligent machine vision systems. The work is also an invaluable resource for professionals within the IT/software and electronics industries involved in machine vision, imaging, and artificial intelligence. Dr. Cosimo Distante is a Research Scientist in Computer Vision and Pattern Recognition in the Institute of Applied Sciences and Intelligent Systems (ISAI) at the Italian National Research Council (CNR). Dr. Arcangelo Distante is a researcher and the former Director of the Institute of Intelligent Systems for Automation (ISSIA) at the CNR. His research interests are in the fields of Computer Vision, Pattern Recognition, Machine Learning, and Neural Computation.
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