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INTRODUÇÃO Na realidade dinâmica dos últimos tempos, a comunicação amplia sua abordagem conceitual vinculada à etimologia da palavra e contempla as múltiplas faces reais e virtuais dos relacionamentos da moderna sociedade. A palavra comunicação, derivada do latim communicare, que significa "partilhar algo, por em comum", passa a ser entendida e aplicada em um contexto complexo, constituído pela democratização do acesso à informação e pelo paradigma da internacionalização dos mercados. É nesse cenário que ocorre um processo revolucionário constante e cíclico, que renovados questionamentos e expectativas. Todos esses fatores passam a direcionar as políticas públicas e i...
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This book stems from lectures on commutative algebra for 4th-year university students at two French universities (Paris and Rennes). At that level, students have already followed a basic course in linear algebra and are essentially fluent with the language of vector spaces over fields. The topics introduced include arithmetic of rings, modules, especially principal ideal rings and the classification of modules over such rings, Galois theory, as well as an introduction to more advanced topics such as homological algebra, tensor products, and algebraic concepts involved in algebraic geometry. More than 300 exercises will allow the reader to deepen his understanding of the subject. The book also includes 11 historical vignettes about mathematicians who contributed to commutative algebra.
Bringing together the latest research on megalithic monuments throughout the world, 150 researchers offer 72 articles, providing a region-by region account in their specialist areas, and a summary of the current state of knowledge. Highlighting salient themes, the book is vital to anyone interested in the phenomenon of megalithic monumentality.