196,352 research outputs found

    Dynamical scaling and generalized Omori law

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    The power law decay of the aftershocks rate is observed only after a characteristic time scale c. The dependence of c on the mainshock magnitude MM and on the lower cut-off magnitude M(I) is well established. By considering ten sequences recorded in the California Catalog we show that the aftershock number distribution becomes independent of both M(M) and M(I) if time is rescaled by an appropriate time scale fixed by the difference M(M) - M(I). This result is interpreted within a more general dynamical scaling hypothesis recently formulated, relating time differences to magnitude differences. The above hypothesis gives predictions in good agreement with the recent findings by Peng et al. ( 2007). Citation: Lippiello, E., M. Bottiglieri, C. Godano, and L. de Arcangelis ( 2007), Dynamical scaling and generalized Omori law

    Adapting the DIST-M Model for Designing Experimental Activities—A Theoretical Discussion from an Interdisciplinary Perspective

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    This study focuses on interdisciplinary approaches within mathematics and physics education. Secondary schools, particularly those specialized in scientific curricula, have opportunities to explore common topics between mathematics and physics; however, creating a coherent interdisciplinary educational experience is challenging. Adopting an interdisciplinary perspective when designing learning sequences becomes imperative. The proposed approach harnesses the power of storytelling to engage students, emphasizing the interconnectedness of subjects and humanizing the evolution of scientific ideas. This study investigates the adaptation of the Digital Interactive Storytelling in Mathematics (DIST-M) model for interdisciplinary storytelling learning sequences. It aims to explore how this model, initially developed for mathematics activities in a virtual environment, can be enriched with elements from inquiry-based learning models to integrate the experimental aspects of physics. The research presents a theoretical discussion grounded in the design of a learning sequence centered around the study of light, taking place in a non-virtual environment and approached from an interdisciplinary standpoint. It introduces hypotheses for adapting the DIST-M model to accommodate interdisciplinary storytelling sequences. One involves the incorporation of an additional phase within the DIST-M cycle, dedicated to consolidating, transferring to other contexts, and addressing variations in the concepts explored, proved, and refined in earlier phases

    La Cina. Dall'età del Bronzo all'impero Han

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    A History of China from mythology to the Han dynasty (221 BC-220 AD). Thirteen scholars, Riccardo Fracasso (Ca' Foscari Un.), E. L. Shaughnessy (Un. Chicago), M. Scarpari (Ca' Foscari Un.), B.J. Mansvelt Beck (Leiden Un.), N. Di Cosmo (Princeton Un.), S. Rastelli (Ca' Foscari Un.), L. Pisano (Enna Un.), T. Lippiello (Ca' Foscari un.), D. Harper (Un. of Chicago), A. Andreini (Ca' Foscari Un.), M. Bujard (EFEO), M. Abbiati (Ca' Foscari Un.), H. Van Ess, LMU Munich, drawing on traditional and newly discovered sources, write the chapters on the Origins of Chinese civilisation, on Zhou history and rituals, on the Qin and Han empires, on the frontiers, on archeology, art and music, on religious beliefs and thought, on science, language and literature

    Confucio nella cultura italiana: studi e traduzioni - Kongzi zai Yidali wenhua zhong: yanjiu yu fanyi

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    It is an excursus on the main studies and translations of the chinese classics in Italian literature, in particular of the Four books (sishu), starting from the earliest translations by the Jesuits to the XX century. The first part explores the role of the Five classics and the Five books in Chinese history until the Ming dynasty. In 1592 A. Valignano S.I. (1539-1606) met Matteo Ricci (1552-1610) and suggested him to translate the Four Books. A manuscript of the Four Books translated in Latin is found in the V. Emanuele Library in Rome; it is ascribed to Michele Ruggieri (1543-1607) but probably the author of the translation was Matteo Ricci (1552-1610), whereas M. Ruggieri was the copyist. The work of partial translation of the four books was continued by Prospero Intorcetta (1652-1696) and other Jesuits who, in 1687, published the Confucius Sinarum Philosophus. The essay ends with a description of the main translations of the Four Books in Italy in the XX century

    Linking Ancient and Contemporary. Continuities and Discontinuities in Chinese Literature

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    Linking Ancient and Contemporary: Continuities and Discontinuities in Chinese Literature is a collection of essays which stems from a project of cooperation between the Department of Asian and African Studies of Ca’ Foscari University of Venice and the Department of Chinese Language and Literature of Peking University.\ud The first conference was held in Venice on 21-22 March 2013, the second will be held in Peking University on 14-16 October 2016. The volume reflects the desire to compare and integrate different approaches to Chinese literature, showing how, in different epochs, traditional intellectual and literary values have been repeatedly criticized and rejected, yet have often resurfaced\ud in many different ways and have been reinterpreted

    Verso l'immortalità: itinerari del Cielo e della Terra

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    Disamina del concetto di trascendenza e immortalità nella tradizione cinese a partire dall'analisi di alcune fonti cinesi classiche (Zhuangzi, Shuowen jiezi, Shiji, etc.) Analysis of the concept of transcendence and immortality starting with the analysis of some classical chinese sources (Zhuangzi, Shuowen jiezi, Shiji, etc.

    Scaling of the linear response function from zero-field-cooled and thermoremanent magnetization in phase-ordering kinetics

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    In this paper we investigate the relation between the scaling properties of the linear response function R(t,s), of the thermoremanent magnetization (TRM) and of the zero-field-cooled (ZFC) magnetization in the context of phase-ordering kinetics. We explain why the retrieval of the scaling properties of R(t,s) from those of TRM and ZFC magnetization is not trivial. Preasymptotic contributions generate a long crossover in TRM, while ZFC magnetization is affected by a dangerous irrelevant variable. Lack of understanding of both these points has generated some confusion in the literature. The full picture relating the exponents of all the quantities involved is explicitly illustrated in the framework of the large-N model. Following this scheme, an assessment of the present status of numerical simulations for the Ising model can be made. We reach the conclusion that on the basis of the data available up to now, statements on the scaling properties of R(t,s) can be made from ZFC magnetization but not from TRM. From ZFC data for the Ising model with d=2,3,4 we confirm the previously found linear dependence on dimensionality of the exponent a entering R(t,s)similar tos(-(1+a))f(t/s). We also find evidence that a recently derived form of the scaling function f(x), using local scale invariance arguments [M. Henkel, M. Pleimling, C. Godreche, and J. M. Luck, Phys. Rev. Lett. 87, 265701 (2001)], does not hold for the Ising model
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