Tuscia University

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    808 research outputs found

    L'indimenticabile 1946. Elezioni locali e apprendistato democratico nell'Italia del dopoguerra

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    Gli indiani nordamericani nel cinema italiano

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    file preparatorio dell'articolo a stampaThe American Indians in the "spaghetti" western

    An update on somatostatin receptor signaling in native systems and new insights on their pathophysiology

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    L'articolo è disponibile sul sito dell'editore http://www.sciencedirect.com/The peptide somatostatin (SRIF) has important physiological effects (mostly inhibitory) which have formed the basis for the clinical use of SRIF compounds. SRIF binding to its five G-protein coupled receptors leads to the modulation of multiple transduction pathways. However, our current understanding of signalling exerted by receptors endogenously expressed in different cells/tissues reflects a rather complicated picture. On the other hand, the complexity of SRIF receptor signalling in pathologies, including pituitary and nervous system diseases, may be studied not only as alternative intervention points for the modulation of SRIF function but also to exploit new chemical space for drug-like molecules

    Asset price dynamics in a financial market with heterogeneous trading strategies and time delays

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    L'articolo é disponibile sul sito dell'editore: http://www.sciencedirect.comIn this paper we present a continuous time dynamical model of heterogeneous agents interacting in a financial market where transactions are cleared by a market maker. The market is composed of fundamentalist, trend following and contrarian agents who process market information with different time delays. Each class of investors is characterized by path dependent risk aversion. We also allow for the possibility of evolutionary switching between trend following and contrarian strategies. We find that the system shows periodic, quasi-periodic and chaotic dynamics as well as synchronization between technical traders. Furthermore, the model is able to generate time series of returns that exhibit statistical properties similar to those of the S&P 500 index, which is characterized by excess kurtosis, volatility clustering and long memory

    L'id{\'e}e r{\'e}publicaine en Italie

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    Philosophie nouvelle ou fin de la philosophie dans Le Temps retrouvé

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    Questo intervento si sforza di collocare Proust all’interno del dibattito novecentesco illustrando le varie analogie e differenze rispetto ai punti di vista dei maggiori protagonisti della filosofia di quel secolo. In particolare si cerca di dimostrare che non sono sovrapponibili il percorso disegnato dalla “ricerca” del personaggio che dice “io” (il Narratore) e quello tracciato da Proust nel corso della sua vita a cavallo di due secoli. Questi due itinerari sono addirittura l’uno l’opposto dell’altro, perché la “formazione” del Narratore va dall’iniziale adesione all’oggettività dei valori “esterni” verso una progressiva disillusione che lo libera da questa che finirà per apparirgli “idolatria” e lo farà approdare ad un soggettivismo radicale. Al contrario, Proust ha aderito nella adolescenza e prima giovinezza al soggettivismo del pensiero negativo (decadentismo, simbolismo, Schopenhauer) ma ha recuperato gradualmente un rapporto più unitario e sintetico con le varie sfere della realtà

    Éthique chrétienne et esthétique galante : l’ « Histoire de la Morale » de Madeleine de Scudéry

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    Au livre premier de Clélie, le portrait de Mlle Pilou sous les traits d’Arricidie ne tarit pas d’éloges envers cette femme « à qui la nature a refusé les grâces ordinaires de son sexe, à qui le temps a ôté la jeunesse, et à qui la fortune n’a pas fait de grandes faveurs ». Aux attraits physiques, à la jeunesse et à la fortune, Arricidie supplée par les charmes d’une « vertu solide » mais enjouée et innocemment railleuse. L’ idée d’une morale aimable et souriante, que professera aux derniers livres du roman Anacréon-La Fontaine , est le socle, on le sait, de cet art de vivre et d’écrire teinté d’élégant épicurisme qu’élaborèrent et cultivèrent, vers le milieu du siècle, les représentants de l’Académie Foucquet. Une trentaine d’années plus tard, Madeleine de Scudéry insérera dans le quatrième de ses recueils de Conversations une « Histoire de la Morale ». De ce texte long et complexe nous nous limiterons à étudier les articulations entre l’éthique chrétienne, qui le marque inusuellement, et l’esthétique galante, qui y est encore bien à l’œuvre

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