This book presents a new approach to the study of physical nonlinear circuits and advanced computing architectures with memristor devices. Such a unified approach to memristor theory has never been systematically presented in book form. After giving an introduction on memristor-based nonlinear dynamical circuits (e.g., periodic/chaotic oscillators) and their use as basic computing analogue elements, the authors delve into the nonlinear dynamical properties of circuits and systems with memristors and present the flux-charge analysis, a novel method for analyzing the nonlinear dynamics starting from writing Kirchhoff laws and constitutive relations of memristor circuit elements in the flux-charge domain. This analysis method reveals new peculiar and intriguing nonlinear phenomena in memristor circuits, such as the coexistence of different nonlinear dynamical behaviors, extreme multistability and bifurcations without parameters. The book also describes how arrays of memristor-based nonlinear oscillators and locally-coupled neural networks can be applied in the field of analog computing architectures, for example for pattern recognition. The book will be of interest to scientists and engineers involved in the conceptual design of physical memristor devices and systems, mathematical and circuit models of physical processes, circuits and networks design, system engineering, or data processing and system analysis.
Is the outcome of interdisciplinary and interinstitutional collaborative research carried out by the Alliance of Universities for Regional Urban Development with Equity, constituted by the Universidad Autónoma de Occidente, Universidad ICESI, Pontificia Universidad Javeriana-Cali, Universidad de San Buenaventura-Cali, and Universidad del Valle. The Ford Foundation endorsed this alliance between the universities of the region to provide scientific and technical support to social inclusion projects aimed at generating equity. The financial resources provided by the Ford Foundation and the time allocated by the professors and researchers of the Universidad Autónoma, Universidad ICESI, Universidad de San Buenaventura-Cali and Universidad del Valle made this research and its publication in a book possible. This book discusses different theoretical guidelines used in the definition of a region, considered useful as analytical references for the empirical proposal in this book about the 28 municipalities in northern Cauca and southern Valle. Its six chapters describe the patterns of territory occupation, the socio-demographic characterization of the municipalities of the extended city-region, the region's economic structure components, the labor market imbalances, the analysis of the political-electoral heterogeneity of the urban agglomeration of Cali, and some conclusions and policy recommendations. Hence, based on a conceptual and methodological model, the empirical analysis furthered in this book indicates that Cali, as the main urban center, should include in its development plans and territorial planning more effective measures to know, assess, and plan—together with the neighboring municipalities, not only those of the department of Valle itself but those of the urban-rural periphery or hinterland of the southwest, which includes the municipalities of southern Valle and northern Cauca—, albeit through less asymmetrical relations and more shared associations to face a set of common problems that affect the entire region whose epicenter is Cali.
This work will be volume 124 in the Flora Neotropica Monograph book Series, Lawrence M. Kelly (Editor-in-Chief). Flora Neotropica volumes provide taxonomic treatments of plant groups or families growing in the Americas between the Tropic of Cancer and the Tropic of Capricorn. This monograph on Panicum (Poaceae), known as panicgrass, was written by the world-leading authority on this plant group. A total of one genus and 63 species are described. It also includes information on conservation, phylogenetic relationships, taxonomic history, ecology, cytology, and anatomy, among other topics. This is the first comprehensive volume on this topic since the 1920s and is lavishly illustrated with line drawings, black and white photographs, and distribution maps.
Hope is necessary in our lives. . . . . We have lost some battles but I believe that our cause is invincible because it is the cause of justice, the cause of love."--Fernando Cardenal. Fernando Cardenal, a Nicaraguan Jesuit priest, oversaw a national literacy campaign and served as Minister of Education in the revolutionary Sandinista government in the 1980s. The Sandinista revolution was unusual for the wide participation of Christians in the struggle. However, the role of priests in the revolutionary government (including Fernando's brother, Ernesto Cardenal, a famous poet), was a source of bitter controversy with the Vatican. When he declined to resign his government post (judging that it would be "a grave sin if I were to abandon my priestly option for the poor"), Cardenal was suspended from the priesthood and expelled from the Society of Jesus. Underlying this dramatic story is the deep sense of vocation, which inspired Cardenal's commitment to the poor, his decision to join the revolutionary struggle, and his work within the revolution to instill values of self-sacrifice, generosity, and love. When he later became disillusioned by the corruption of certain party leaders, these same values prompted his break with the Sandinistas. Moving and inspiring, Faith and Joy--which ends with Cardenal's unprecedented readmission to the Society of Jesus--relates the journey of a priest who consistently followed his faith and conscience to serve the poor and to live out the revolutionary implications of the Gospel. (Publisher).
This book presents a new approach to the study of physical nonlinear circuits and advanced computing architectures with memristor devices. Such a unified approach to memristor theory has never been systematically presented in book form. After giving an introduction on memristor-based nonlinear dynamical circuits (e.g., periodic/chaotic oscillators) and their use as basic computing analogue elements, the authors delve into the nonlinear dynamical properties of circuits and systems with memristors and present the flux-charge analysis, a novel method for analyzing the nonlinear dynamics starting from writing Kirchhoff laws and constitutive relations of memristor circuit elements in the flux-charge domain. This analysis method reveals new peculiar and intriguing nonlinear phenomena in memristor circuits, such as the coexistence of different nonlinear dynamical behaviors, extreme multistability and bifurcations without parameters. The book also describes how arrays of memristor-based nonlinear oscillators and locally-coupled neural networks can be applied in the field of analog computing architectures, for example for pattern recognition. The book will be of interest to scientists and engineers involved in the conceptual design of physical memristor devices and systems, mathematical and circuit models of physical processes, circuits and networks design, system engineering, or data processing and system analysis.
Walks Through Memories of Oblivion is a collection of short stories and essays about resistance, prison, and exile; a creative nonfiction narrative based on true events; flashbacks from the former political prisoner Fernando Andres Torres once was at eighteen years of age, during the military regime that overthrew democracy and established a brutal dictatorship (1973-90) in Chile, Torres's homeland. These stories are not about politics, they are personal; the flesh and bones behind the young and restless student militant that Torres once was; there is a good game of dark humor and tales of subtle and small victories of human endurance and perseverance.
Is the outcome of interdisciplinary and interinstitutional collaborative research carried out by the Alliance of Universities for Regional Urban Development with Equity, constituted by the Universidad Autónoma de Occidente, Universidad ICESI, Pontificia Universidad Javeriana-Cali, Universidad de San Buenaventura-Cali, and Universidad del Valle. The Ford Foundation endorsed this alliance between the universities of the region to provide scientific and technical support to social inclusion projects aimed at generating equity. The financial resources provided by the Ford Foundation and the time allocated by the professors and researchers of the Universidad Autónoma, Universidad ICESI, Universidad de San Buenaventura-Cali and Universidad del Valle made this research and its publication in a book possible. This book discusses different theoretical guidelines used in the definition of a region, considered useful as analytical references for the empirical proposal in this book about the 28 municipalities in northern Cauca and southern Valle. Its six chapters describe the patterns of territory occupation, the socio-demographic characterization of the municipalities of the extended city-region, the region's economic structure components, the labor market imbalances, the analysis of the political-electoral heterogeneity of the urban agglomeration of Cali, and some conclusions and policy recommendations. Hence, based on a conceptual and methodological model, the empirical analysis furthered in this book indicates that Cali, as the main urban center, should include in its development plans and territorial planning more effective measures to know, assess, and plan—together with the neighboring municipalities, not only those of the department of Valle itself but those of the urban-rural periphery or hinterland of the southwest, which includes the municipalities of southern Valle and northern Cauca—, albeit through less asymmetrical relations and more shared associations to face a set of common problems that affect the entire region whose epicenter is Cali.
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