1,621 research outputs found
Tra detti memorabili e detti mirabili
No full textLeone Piccioni e la sua passione per le forme brevi e aneddotiche nei volumi "Cardarelliana", "Ungarettiana" e "Memoriette
Corpus la Repubblica SSLMIT
No full textInterfaccia Web al corpus la Repubblica/SSLMIT, al momento della creazione il piu' grande corpus di italiano scritto liberamente interrogabile.
Vedi: M. Baroni, S. Bernardini, F. Comastri, L. Piccioni, A. Volpi, G. Aston, M. Mazzoleni. 2004. Introducing the "la Repubblica" corpus: A large, annotated, TEI(XML)-compliant corpus of newspaper Italian. Proceedings of LREC 2004
Alessandro ‘bipolare’: il filosofo e il conquistatore nelle fonti della Seconda Sofistica
No full textNell’ampio quadro della ricezione di Alessandro Magno, queste pagine si propongono di approfondire il suo trattamento negli autori della Seconda Sofistica. Le fonti antiche, in genere, ne offrono una caratterizzazione contrastata, come ‘filosofo in armi’ e conquistatore senza freni, con le due facies connaturate al personaggio perlopiù coesistenti all’interno dello stesso autore e opera. Tale trattamento chiaroscurale si riscontra altresì nelle fonti deuterosofistiche di ambito greco (Dione di Prusa, Luciano). Questo lavoro riflette, indagandone le ragioni, sulla discrasia tra l’usuale polarità rintracciabile nelle fonti greche e l’immagine coerentemente positiva individuabile invece sul coté latino della Seconda Sofistica (Apuleio, Aulo Gellio), che si distacca da una tradizione estremamente negativa consolidata a Roma, da Cicerone a Seneca. Oltre alle plausibili motivazioni socio-politiche e culturali, si riflette sull’uso delle fonti, ipotizzando che Plinio, alla base tanto del dettato apuleiano quanto gelliano, sempre in bilico tra curiosità scientifica e gusto per l’aneddoto e per il dettaglio esotico e mirabolante, abbia imposto a Roma la sua visione del Macedone come conquistatore mosso non da brama di potere bensì di conoscenza.Within the varied framework of the reception of Alexander the Great, this work aims to delve into his treatment by the authors of the Second Sophistic. Ancient sources generally offer a contrasting characterization of him, as a 'philosopher in arms' and an unbridled conqueror, with his two facies mostly coexisting in the same author and work. This chiaroscuro treatment is also found in deuterosophistic Greek sources (Dion of Prusa, Lucian). This article reflects, investigating the reasons, on the inconsistency between the usual duality traceable in Greek sources and the coherently positive image detectable instead on the Latin coté of the Second Sophistic (Apuleius, Aulus Gellius); this neatly differs from an extremely negative tradition consolidated in Rome, from Cicero to Seneca. In addition to the plausible socio-political and cultural motivations, we consider the use of sources, postulating that Pliny the Elder, the basis of both Apuleian and Gellian text, always on the edge between scientific curiosity and a taste for anecdotes and mirabilia, imposed in Rome his point of view about Alexander the Great as a conqueror pushed not by a lust for power but for knowledge
Selection of importance weights for Monte Carlo estimation of normalizing constants
No full textThis paper concerns the problem of estimating normalizing constants for multivariate densities. We first compare the well known technique of Importance Sampling (IS) with another technique that we call Importance Weighting (IW), which has been recently proposed by Gelfand and Dey (1994). Both techniques require the choice of a suitable density. Whereas it is quite well known that the asymptotic variance of an IS estimator is proportional to the chi-square divergence of the IS density w.r.t. the density of interest, we point out that for the asymptotic variance of the corresponding IW estimator the same results holds, except that the arguments of the divergence are interchanged. This suggests how to adapt to the problem of choosing an IW density procedures which have been already proposed for the choice of the IS density. In particular we show this feature for the algorithms proposed by Geweke (1989) and West (1993). The resulting procedures are illustrated with some examples
Additive manufacturing in the maritime industry: Impact on production processes, workers, and end-users
No full textAdditive Manufacturing (AM) technologies are revolutionising global production processes, offering substantial benefits to the maritime industry by eliminating the reliance on models and moulds. This shift toward a sustainable, zero-waste future presents significant opportunities and considerations for both workers and end-users.The adoption of automated 3D printing necessitates workforce retraining, with a focus on digital technology skills, reducing the reliance on manual labour. Proactive training programs are vital to equip operators for this evolving landscape. Additionally, studies are exploring occupational health-related aspects of 3D printing, assessing whether it could create a safer working environment compared to traditional manufacturing processes.AM customisation capabilities empower designers and engineers to prioritize human factors, enhancing user experience, comfort, and usability. This approach fosters innovations aligned with the preferences and needs of end-users.This paper aims to explore the impact of AM technologies on manufacturing processes and design freedom within the maritime industry, emphasizing opportunities for improved efficiency, sustainability, and adaptive design practices to meet the sector's dynamic needs
Semi-discretization of stochastic partial differential equations on Rd by a finite-element technique
No full textThis paper discusses some finite-element schemes for the approximation of the solution of stochastic partial differential equations on Rd. The main application is the design of approximate filters in the general case of correlated noise. The need to interpolate the solution with functions of compact support requires to estimate its norm in a suitable weighted Sobolev space. It turns out that it is possible to control the mean square of the error norm with a suitable modification near the boundary of the most used finite-elements triangulation
30 Schede-opera in, M. T. Benedetti, S. Frezzotti, R. Upstone (a cura di), Dante Gabriel Rossetti, Edward Burne-Jones e il mito dell’Italia nell’Inghilterra vittoriana. Milano: Electa, ISBN: 978-88-370-7647-4
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The empirical process on Gaussian spherical harmonics
No full textWe establish weak convergence of the empirical process on the spherical harmonics of a Gaussian random field in the presence of an unknown angular power spectrum. This result suggests various Gaussianity tests with an asymptotic justification. The issue of testing for Gaussianity on isotropic spherical random fields has recently received strong empirical attention in the cosmological literature, in connection with the statistical analysis of cosmic microwave background radiation
Deformable templates: a statistical setting
No full textIn this paper the approach to pattern thery developed by Ulf Grenander is used to construct models of randomly deformable templates. A probability measure on the deformations is constructed through an effort function, which induces a statistical model on the observed objects. The invariance of such model with respect to similarities is discussed. Two examples are given in order to clarify the relevance of the theme and the technical difficulties
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