El lector tiene en sus manos un volumen de relatos que no dejará de sorprenderlo. Inserto en la corriente del microrrelato o microficción, inaugurada en Hispanoamérica por el mexicano Julio Torri y que llega hasta el guatemalteco Augusto Monterroso, pasando por los argentinos Marco Denevi y David Lagomenovich, entre otros, con brevedad certera y eficacia del lenguaje, este libro se asoma con ironía a ciertos aspectos inquietantes de la cotidianidad, a lo absurdo de lo obvio, a la sorpresa de lo inesperado, a la recurrente mirada a la infancia, que no siempre es un paraíso, sin olvidar las cápsulas de un humor si no negro, al menos gris. “[…] Quiero que sepas que pasé un rato estupendo leyendo tus cuentos. Con todo lo que te gusta Cortázar no tocas el registro fantástico, pero en cambio exploras la condición humana y las desavenencias sentimentales de una forma muy delicada y profunda. Tu primer micro, de hecho, me parece genial”. Fernando Iwasaki […] su narrativa, a menudo, un trompe l’oeil […][y] el lector es atrapado por un lenguaje estetizado adornado de referencias históricas y culturales que convierten la lectura en un acto de compromiso intelectual y literario que no le dejará indemne”. David Choin […] I am overwhelmed over how beautiful your prose is. Your ability to describe scenes is remarkable! […] So much to think about because the stories have so many layers. Karen Meyn
This book is written by teenagers. It was a school project for their history class. Each student chose a question and wrote a paper about it. Most of the students wrote about the role of race in America. We called our work Racism Through the Eyes of Teenagers.
Derived from the renowned multi-volume International Encyclopaedia of Laws, this book provides a systematic approach to legislation and legal practice concerning energy resources and production in Colombia. The book describes the administrative organization, regulatory framework, and relevant case law pertaining to the development, application, and use of such forms of energy as electricity, gas, petroleum, and coal, with attention as needed to the pervasive legal effects of competition law, environmental law, and tax law. A general introduction covers the geography of energy resources, sources and basic principles of energy law, and the relevant governmental institutions. Then follows a detailed description of specific legislation and regulation affecting such factors as documentation, undertakings, facilities, storage, pricing, procurement and sales, transportation, transmission, distribution, and supply of each form of energy. Case law, intergovernmental cooperation agreements, and interactions with environmental, tax, and competition law are explained. Its succinct yet scholarly nature, as well as the practical quality of the information it provides, make this book a valuable resource for energy sector policymakers and energy firm counsel handling cases affecting Colombia. It will also be welcomed by researchers and academics for its contribution to the study of a complex field that today stands at the foreground of comparative law.
This monograph presents a simple and efficient two-relay control algorithm for generation of self-excited oscillations of a desired amplitude and frequency in dynamic systems. Developed by the authors, the two-relay controller consists of two relays switched by the feedback received from a linear or nonlinear system, and represents a new approach to the self-generation of periodic motions in underactuated mechanical systems. The first part of the book explains the design procedures for two-relay control using three different methodologies – the describing-function method, Poincaré maps, and the locus-of-a perturbed-relay-system method – and concludes with stability analysis of designed periodic oscillations. Two methods to ensure the robustness of two-relay control algorithms are explored in the second part, one based on the combination of the high-order sliding mode controller and backstepping, and the other on higher-order sliding-modes-based reconstruction of uncertainties and their compensation where Lyapunov-based stability analysis of tracking error is used. Finally, the third part illustrates applications of self-oscillation generation by a two-relay control with a Furuta pendulum, wheel pendulum, 3-DOF underactuated robot, 3-DOF laboratory helicopter, and fixed-phase electronic circuits. Self-Oscillations in Dynamic Systems will appeal to engineers, researchers, and graduate students working on the tracking and self-generation of periodic motion of electromechanical systems, including non-minimum-phase systems. It will also be of interest to mathematicians working on analysis of periodic solutions.
Big Data (grandes volúmenes de datos o macrodatos) supone la confluencia de una multitud de tendencias tecnológicas que venían madurando desde la primera década del siglo cuando han explosionado e irrumpido con gran fuerza en organizaciones y empresas, en particular, y en la sociedad, en general. Muchas veces estos datos no están estructurados, esta tecnología viene a iluminarlos. El libro se divide en 3 partes principales, se introduce el tema, se descubre la infraestructura y la analítica del Big Data. Tiene en sus manos la referencia necesaria para introducirse en Big Data. Aprenda: ¿Qué es Big Data? Analítica de datos, analítica Web y analítica social. Sectores estratégicos de Big Data y Open Data. Conozca: Las mejores herramientas informáticas para procesar sus datos. Las nuevas tendencias tecnológicas y sociales que traen la nube y los Big Data.
This collection includes one-act plays by the famous farmwork theater, El Teatro Campesino, and its director Luis Valdez; one of the first fully realized, full-length plays by Valdez alone; and an original narrative poem by Luis Valdez.
Between Norteño and Tejano Conjunto analyzes the origin, evolution, and dissemination of the norteño and tejano conjunto. This group represents a marginalized local identity that was transformed primarily into an identity of the northeast. It then gave way to the whole of northern México and the American Southwest, and was later assimilated internationally as a mainstream genre. This book provides a long-term historic vision of conjunto and the various musical forms it uses, such as polka, corrido, or canción (song), and, more recently, bolero and cumbia, as well as its transformations and contributions to other musical cultures.
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