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The idea of this book originated from two series of lectures given by us at the Physics Department of the Catholic University of Petr6polis, in Brazil. Its aim is to present an introduction to the "algebraic" method in the perturbative renormalization of relativistic quantum field theory. Although this approach goes back to the pioneering works of Symanzik in the early 1970s and was systematized by Becchi, Rouet and Stora as early as 1972-1974, its full value has not yet been widely appreciated by the practitioners of quantum field theory. Becchi, Rouet and Stora have, however, shown it to be a powerful tool for proving the renormalizability of theories with (broken) symmetries and of gauge ...
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From such films as La Dolce Vita and Bicycle Thieves to Cinema Paradiso and Dear Diary, Italian cinema has provided striking images of Italy as a nation and a people. In the first comprehensive study of Italian cinema from 1886-1996, Pierre Sorlin explores the changing relationship of Italian cinema and Italian society and asks whether the national cinema really does represent Italian interests and culture.
This book is a pioneering attempt to explore the fascinating and hardly known realm of reciting poetry in medieval and Renaissance Italy. The study of more than 50 treatises on both music and poetry, as well as other literary sources and documents from the period between 1300 and 1600, highlights above all the practice of parlar cantando («speaking through singing» - the term found in De li contrasti, a fourteenth-century treatise on poetry) as rooted in the art of reciting verses. Situating the practice of parlar cantando in the context of late medieval poetic delivery, the author sheds new light on the origin and history of late Renaissance opera style, which their inventors called stile recitativo, rappresentativo or, exactly, parlar cantando. The deepest roots of the Italian tradition of parlar cantando are thus revealed, and the cultural background of the birth of opera is reinterpreted and revisited from the much broader perspective of what appears to be the most important Italian mode of music making between the age of Dante and Petrarch and the beginning of Italian opera around 1600.