1,179 research outputs found

    “Largo a noi, all’alta battaglia”: l’engagement di Zola nella ricezione italiana

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    L’articolo considera la ricezione italiana del lavoro di Zola, ripubblicando una stroncatura di “Germinal” di Edoardo Scarfoglio e una commossa commemorazione di Filippo Turati.The article deals with the Italian reception of Zola’s work, and it republishes an harsh criticism of “Germinal” by Edoardo Scarfoglio and a deeply affected commemoration by Filippo Turati

    A Florentine family in crisis: the Strozzi in the fifteenth century.

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    PhDIn 1434 the Strozzi lineage had held a leading position in Florentine society and government for at least one hundred and fifty years, and was one of the largest and wealthiest of the city's patrician lineages. The records of the catasto of 1427 and of the scrutiny of 1433 are used to give a profile of the dominant social, economic and political position of the Strozzi before the advent of Medicean dominance. Their record of electoral success, and the political and cultural leadership of influential and respected men such as Palla di Nofri and Matteo di Simone, with other factors, put the Strozzi amongst the greatest enemies of the victorious Medicean regime of late 1434. The effects of political opposition and exile on the lineage are examined both directly, through records of office-holding, and indirectly through such indicators as marriage alliances and household wealth. The two most prominent lines of the Strozzi were exiled after 1434. Palla di Nofri's life and preoccupations in his Paduan exile are examined, together with the lives of his sons; none of these Strozzi ever returned to Florence, pursued as they were by the enmity of the Medicean regime. The very different careers of Filippo di Matteo and his brother Lorenzo are also examined: how they succeeded in founding a lucrative bank in Naples, and in returning to Florence to 'rebuild' (rifare) the position of the Strozzi lineage there. The final decades of the century saw the Strozzi in an economically more secure position, due substantially to the efforts of Filippo. Except for a very small number of its members admitted into the regime, most of the lineage is here shown to have remained excluded from significant political office until after the fall of the Medici regime in 1494

    Pension reforms, longer working horizons and depression. Does the risk of automation matter?

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    We investigate the effect of postponing minimum retirement age on middle-aged workers' depression. Using pension reforms in several European countries and data from the SHARE survey, we find that depression increases with a longer work horizon, but only among workers in occupations with a relatively high risk of automation. We explain our results with the higher job insecurity associated with occupations that are more exposed to automation, and rule out alternatives, including pension wealth effects and the differential exposure of occupations to the business cycle

    La prosa in versi: dal "Cicerone" al "Poeta di teatro"

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    Il saggio studia il legame del "Cicerone" di Passeroni e del "Poeta di teatro" di Pananti con la tradizione umoristica europea, in particolare con le opere di Sterne.The essay deals with the influence of the Sterne's work on two Italian humorous poems, "Il Cicerone" by Giancarlo Passeroni and "Il poeta di teatro" by Filippo Pananti

    Spectral features of higher-order side-channel countermeasures

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    This brief deals with the problem of mathematically formalizing hardware circuits' vulnerability to side-channel attacks. We investigate whether spectral analysis is a useful analytical tool for this purpose by building a mathematically sound theory of the vulnerability phenomenon. This research was originally motivated by the need for deeper, more formal knowledge around vulnerable nonlinear circuits. However, while building this new theoretical framework, we discovered that it can consistently integrate known results about linear ones as well. Eventually, we found it adequate to formally model side-channel leakage in several significant scenarios. In particular, we have been able to find the vulnerability perimeter of a known cryptographic primitive (i.e., Keccak \cite{Bertoni:2010ug}) and thus tackle the analysis of vulnerability when signal glitches are present. We believe the conceptual framework we propose will be useful for researchers and practitioners in the field of applied cryptography and side-channel attacks

    Innovative and sustainable catechin-based nanocomposites for enhancing salinity tolerance and secondary metabolite production in Stevia rebaudiana (Bertoni) Bertoni

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    Integrating innovative and sustainable nano-enabled technologies in agriculture has opened new avenues for enhancing crop resilience against abiotic stressors. Salinity stress is a major abiotic challenge that adversely affects medicinal plants' growth, productivity, and secondary metabolite synthesis, like Stevia rebaudiana (Bertoni) Bertoni. This study introduces a novel catechin-based nanocomposite synthesized using a bio-derived approach to improve stevia’s resistance to salinity stress. Catechin, a potent antioxidant derived from natural sources, was chosen for its well-documented ability to neutralize oxidative stress and enhance plant defence mechanisms under abiotic stresses. Salinity stress significantly hampers stevia’s growth and secondary metabolite production, which is crucial for its industrial exploitation. Catechin-based nanocomposites were synthesized using carboxymethyl cellulose as a biocompatible carrier, ensuring stability and effectiveness. The nanocomposites were characterized and tested at several concentrations (0, 0.01, and 0.1 mg/mL) on stevia plants under varying levels of NaCl (0, 50, and 100 mM). Salinity stress reduced plant growth, photosynthetic pigments, and the K/Na ratio while increasing oxidative stress markers like hydrogen peroxide and malondialdehyde. However, catechin-based nanocomposites improved these physiological and biochemical parameters, enhancing photosynthetic efficiency, antioxidant enzyme activity, and ion balance. Catechin nanocomposites showed protective effects on nitrogen and polyamine metabolisms, involved in stress defensive responses, while increasing levels of the valuable secondary metabolites stevioside and rebaudioside A. The research demonstrates the potential of utilizing bio-based catechin nanocomposites as a green solution in reducing salinity stress, thus showing a potentially viable means of improving resilience and commercial yields in stevia and other plants growing under stress conditions
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