The author proves that every semisimple Hopf algebra of dimension less than $60$ over an algebraically closed field $k$ of characteristic zero is either upper or lower semisolvable up to a cocycle twist.
As one of the first books in child second language acquisition (SLA), this book focuses on the core area of tense-aspect morphology, reporting on three L1-Italian children learning L2 English vs. three L1-English children learning L2 Italian. An innovative longitudinal/bidirectional research design, where two languages represent both source and target, show effects of language transfer in learners that, because of their age, still have potential to become native-speakers of the target. An unusual feature of this book is that relevant studies of acquisition of L2 Italian, some heretofore only in Italian, are reviewed, incorporated into the study and made available to a more general audience. Though the main focus is on child SLA, crucial comparisons to both first language acquisition vs. adult SLA are presented. This approach will thus be of interest more generally to readers in first and second language acquisition and child development.
Italy remains an enigma for many observers. Recent Social Trends in Italy, 1960-1995, the sixth volume from the international Comparative Charting of Social Change program, provides a new and convincing schema for its comprehension. It shows that three essential institutions have structured and unified Italian society: the family, the church, and political parties. While the state remains a weak institution, it is important as a regulator of the economy and of society through the welfare state. The book, which contains a long introduction by Alberto Martinelli on the uneven modernization of Italy, shows the usefulness of analysing social change through study of a series of macro-social trends. These trends range from life-style structures to fertility, leisure, consumption, inequality, religion, and family, among others. This sixth national profile provides more arguements in favour of a hypothesis of diversification, rather than convergence, of modern societies. As Henri Mendras writes in the preface of the book, "The more we change, the more we remain ourselves: that is the conclusion of our comparative research, and the Italian study provides further ample proof of it.
Why do national governments implement devolution given the high risk that it will encourage peripheral parties to demand ever more devolved powers? The aim of Challenging the State is to answer this question through a comparative analysis of devolution in four European countries: Belgium, Italy, Spain, and the United Kingdom.
Learning from Demonstration (LfD) explores techniques for learning a task policy from examples provided by a human teacher. The field of LfD has grown into an extensive body of literature over the past 30 years, with a wide variety of approaches for encoding human demonstrations and modeling skills and tasks. Additionally, we have recently seen a focus on gathering data from non-expert human teachers (i.e., domain experts but not robotics experts). In this book, we provide an introduction to the field with a focus on the unique technical challenges associated with designing robots that learn from naive human teachers. We begin, in the introduction, with a unification of the various terminology seen in the literature as well as an outline of the design choices one has in designing an LfD system. Chapter 2 gives a brief survey of the psychology literature that provides insights from human social learning that are relevant to designing robotic social learners. Chapter 3 walks through an LfD interaction, surveying the design choices one makes and state of the art approaches in prior work. First, is the choice of input, how the human teacher interacts with the robot to provide demonstrations. Next, is the choice of modeling technique. Currently, there is a dichotomy in the field between approaches that model low-level motor skills and those that model high-level tasks composed of primitive actions. We devote a chapter to each of these. Chapter 7 is devoted to interactive and active learning approaches that allow the robot to refine an existing task model. And finally, Chapter 8 provides best practices for evaluation of LfD systems, with a focus on how to approach experiments with human subjects in this domain.
Keep your Italian close at hand with the perfect stylish companion for any traveler This newly revised and updated Italian Phrase Book contains a wealth of useful words and phrases for travellers. The book includes basic grammar, a pronunciation guide and additional vocabulary, and is clearly presented in the perfect pocket size, with a clean and simple look.
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